nitrites has been researched along with dimethylnitrosamine in 112 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 67 (59.82) | 18.7374 |
1990's | 9 (8.04) | 18.2507 |
2000's | 14 (12.50) | 29.6817 |
2010's | 10 (8.93) | 24.3611 |
2020's | 12 (10.71) | 2.80 |
Authors | Studies |
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LaBar, J; Sander, J | 2 |
Alexander, M; Mills, AL | 1 |
Egert, G; Greim, H | 1 |
Sander, J; Walz, G | 1 |
Kawabata, T; Ohshima, H | 1 |
Bogovski, P; Tauts, O; Uibu, J | 1 |
Rao, GS | 1 |
Ishiwata, H; Ohno, Y; Omori, Y; Takahashi, A; Tanimura, A | 1 |
Edwards, GS; Speciner, ND; Whong, WZ | 1 |
Karpilovskaia, ED; Rubenchik, BL | 1 |
Anderson, LM; Ebeling, D; Giner-Sorolla, A | 1 |
Chan, WC; Fong, YY | 3 |
Epstein, SS; Fine, DH; Iqbal, ZM; Ross, R; Rounbehler, DP | 1 |
Astill, BD; Mulligan, LT | 1 |
Iyengar, JR; Miles, WF; Panalaks, T; Sen, NP | 2 |
Debry, G; Klein, D; Poullain, B | 1 |
Gough, TA; Walters, CL | 1 |
Groenen, PJ; Jonk, RJ; ten Noever de Brauw, MC; van Ingen, C | 1 |
Burns, JJ; Conney, AH; Dashman, T; Kamm, JJ | 1 |
Mirvish, SS | 1 |
Dooley, CJ; Feinberg, JI; Fiddler, W; Pensabene, JW; Williams, AC | 1 |
Ji, C; Li, M | 1 |
Hori, S; Kaku, M; Shimoyama, T; Suzuki, H | 1 |
Krogh, P | 1 |
Hinuma, K; Hori, S; Kano, M; Matsuda, J; Ohno, T; Shimoyama, T; Tamura, K; Tanida, N | 1 |
Hotchkiss, JH; Perciballi, M | 1 |
Amelizad, S; Appel, KE; Oesch, F; Rühl, CS; Schoepke, M | 1 |
Ermilov, VB; Il'nitskiĭ, AP; Iurchenko, VA; Zhukova, GF | 1 |
Gichner, T; Velemínský, J | 1 |
Eisenbrand, G; Schlemmer, KH | 1 |
Kasamaki, A; Urasawa, S | 1 |
Coates, ME; Ward, FW | 1 |
Haussmann, HJ; Werringloer, J | 1 |
Anjo, T; Heur, YH; Keefer, LK; Mico, BA; Yang, CS | 1 |
Key, PE; Knowles, ME; Massey, RC; McWeeny, DJ | 1 |
Appel, KE; Hildebrandt, AG; Rühl, CS; Schoepke, M; Wiessler, M | 1 |
Anjo, T; Keefer, LK; Wade, D; Wang, T; Yang, CS | 1 |
Preussmann, R; Spiegelhalder, B | 2 |
Osin'kovskaia, ND; Rubenchik, BL | 1 |
Bürkle, V; Schweinsberg, F | 1 |
Choi, BC | 1 |
Miyakawa, M; Sumi, Y | 2 |
Takahashi, M | 1 |
Boĭm, TM; Rubenchik, BL; Tsapenko, VF | 1 |
Nagao, M; Sugimura, T; Tahira, T; Tsuda, M; Wakabayashi, K | 1 |
Kawasaki, Y; Tanimura, A; Yamada, T; Yamamoto, M; Yamazaki, T | 1 |
Burch, JD; Choi, BC; Howe, GR; Miller, AB; Sherman, GJ | 1 |
Chan, WC; Fong, LY; Lee, JS; Newberne, PM | 2 |
Dunn, SR; Fiddler, W; Lele, PS; Pensabene, JW; Simenhoff, ML | 1 |
Gombar, CT; Magee, PN; Strahan, GD; Zubroff, J | 1 |
Lutz, WK; Meier-Bratschi, A; Schlatter, C | 1 |
Rooma, M; Uibu, J | 1 |
Adatia, MR; Osborn, JC; Rao, GS | 1 |
Neale, S; Solt, AK | 1 |
Clark, A; Fox, J; Lintas, CL; Newberne, PM; Tannenbaum, SR | 1 |
de Cock-Bethbeder, MW; Dhont, JH; Groenen, PJ; Luten, JB; Prins, LA; Vreeken, JW | 1 |
Juszkiewicz, T; Kowalski, B; Pastucha, E | 1 |
Kowalski, B; Miller, CT; Sen, NP | 1 |
Koppang, N | 1 |
Kasuya, Y; Kawanishi, T; Ohno, Y; Omori, Y; Onoda, K; Sunouchi, M; Takahashi, A | 1 |
Brambilla, G; Cavanna, M; Pala, M; Parodi, S; Taningher, M | 1 |
Tanimura, A; Yamada, T; Yamamoto, M | 1 |
Schuller, PL; Stephany, RW | 1 |
Hasegawa, MM; Inui, N; Nishi, Y; Taketomi, M; Tanimura, A; Yamamoto, M | 1 |
Cornée, J; Guyader, M; Hémon, B; Pobel, D; Riboli, E | 1 |
Deriagina, VP; Golubkina, NA; Khotimchenko, SA; Mamaeva, EM; Sokolov, AB; Vlaskina, SG; Zhukova, GF | 1 |
Airoldi, L; Braga, C; D'Avanzo, B; Decarli, A; La Vecchia, C | 1 |
Dich, J; Järvinen, R; Knekt, P; Penttilä, PL | 1 |
Khotimchenko, SA; Rodin, VI; Torskaia, MS; Zhukova, GF | 1 |
Atawodi, SE | 1 |
Havenaar, R; Krul, CA; Schothorst, RC; Zeilmaker, MJ | 1 |
Choi, W; Lee, J; Yoon, J | 1 |
Braszko, J; Hołownia, A; Iwanowska, J; Jabloński, J; Jabłońska, E; Marcińczyk, M; Moniuszko-Jakoniuk, J | 1 |
Chen, T; Hwang, H; Nines, RG; Rose, ME; Stoner, GD | 1 |
Baroni, D; Brambilla, G; Novello, L; Robbiano, L | 1 |
Aziz, RM; Chen, T; Kresty, LA; Nines, R; Reinemann, T; Stoner, GD | 1 |
Choi, SY; Chung, MJ; Seo, WD; Shin, JH; Shon, MY; Sung, NJ | 1 |
Bhothisuwan, K; Brunnemann, KD; Caplan, LS; Gagna, CE; Hummel, CF; Martin, N; Mitacek, EJ; Ohshima, H; Roy, R; Siriamornpun, S; Suttajit, M | 1 |
Andrzejewski, P; Nawrocki, J | 1 |
Liu, YD; Lv, CL; Zhong, RG | 1 |
Chen, WH; Young, TM | 1 |
Fournier, D; Halasz, A; Hatzinger, PB; Hawari, J; Masuda, H; McClay, KR; Streger, SH | 1 |
Batchelor, TT; Giovannucci, E; Holick, CN; Hunter, DJ; Michaud, DS | 1 |
Baydar, T; Erkekoglu, P | 1 |
Jakszyn, P; Khaw, KT; Loh, YH; Luben, RN; Mitrou, PN; Mulligan, AA | 1 |
Croué, JP; Gallard, H; Le Roux, J | 1 |
Arenas-Valgañón, J; Calle, E; Casado, J; González-Jiménez, M | 1 |
Hertzberg, B; Huang, CH; Padhye, LP; Yushin, G | 1 |
Goldbohm, RA; Jakszyn, P; Keszei, AP; Schouten, LJ; van den Brandt, PA | 1 |
Garley, M; Jablonska, E; Jablonski, J; Radziwon, P; Ratajczak-Wrona, W | 1 |
Dong, Y; He, Q; He, X; Jia, L; Li, X | 1 |
Jiang, Q; Liao, E; Xia, W; Xu, Y | 1 |
Kaban, G; Kaya, M; Sallan, S | 1 |
Çelik, M; Kaban, G; Kaya, M; Sallan, S; Şişik Oğraş, Ş | 1 |
Abe, Y; Demizu, Y; Goda, Y; Hakamatsuka, T; Izutsu, KI; Kanno, H; Masada, S; Okuda, H; Tomita, N; Tsuji, G; Uchiyama, N; Usui, A; Yamamoto, E; Yokoo, H; Yoshida, H | 1 |
Ahmed, EO; ElMeshad, AN; Fares, AR; Metwaly, MG; Nasr, NEH | 1 |
Duedahl-Olesen, L; Herrmann, SS; Jakobsen, M; Niklas, AA; Pedersen, M | 1 |
Boucley, C; Bourasseau, L; Celdran, C; Chemarin, T; Fritzsche, M; Goettsche, A; Guessregen, B; Hickert, S; Keitel, J; Kirsch, A; Krueger, P; Leicht, S; Liebhold, M; Masanes, S; Mouton, B; Müller, T; Pegues, C; Reifenberg, P; Saal, C; Schlingemann, J; Schooren, F; Schuster, T; Seegel, M; Walker, M; Wetzel, S | 1 |
Douša, M; Gibala, P; Jireš, J; Kubelka, T | 1 |
Chu, D; Gao, P; Hao, G; Hu, R; Huang, F; Jiang, M; Lv, J; Song, X; Sun, F; Tan, G; Wang, L; Wang, X; Xin, L; You, J; Zhao, Y | 1 |
Harmon, P | 1 |
Carloni, LE; Lochner, S; Sterckx, H; Van Daele, T | 1 |
Golob, N; Grahek, R; Peterlin, S; Roškar, R | 1 |
He, Q; Mo, M; Tang, B; Wang, A; Zhou, Q | 1 |
Guo, Y; Jiang, B; Liu, N; Sun, Y; Wang, S; Wang, X; Yang, M; Zhou, D | 1 |
2 review(s) available for nitrites and dimethylnitrosamine
Article | Year |
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Blocking the formation of N-nitroso compounds with ascorbic acid in vitro and in vivo.
Topics: Adenoma; Amines; Aminopyrine; Animals; Ascorbic Acid; Dimethylnitrosamine; Female; Liver; Lung Neoplasms; Mice; Morpholines; Neoplasms, Experimental; Nitrites; Nitrosamines; Nitroso Compounds; Pregnancy; Rats; Urea | 1975 |
The role of yeasts in oral cancer by means of endogenous nitrosation.
Topics: Candida albicans; Candidiasis, Oral; Dimethylnitrosamine; Humans; Leukoplakia, Oral; Mouth Neoplasms; Nitrites | 1990 |
110 other study(ies) available for nitrites and dimethylnitrosamine
Article | Year |
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Carcinogenic N-nitro-dimethylamine from the reaction of the analgesic amidopyrine and nitrite extracted from foodstuffs.
Topics: Aminopyrine; Digestion; Dimethylnitrosamine; Food; Food Preservatives; Food-Processing Industry; Gastric Juice; Germany, West; Humans; Hydrogen-Ion Concentration; Legislation, Drug; Liver Neoplasms; Meat; Nitrites; Nitrosamines; Vegetables | 1975 |
N-Nitrosamine formation by cultures of several microorganisms.
Topics: Bacteria; Cryptococcus; Dimethylamines; Dimethylnitrosamine; Escherichia coli; Fungi; Hydrogen-Ion Concentration; Nitrites; Nitrosamines; Proteus; Pseudomonas; Species Specificity; Xanthomonas | 1976 |
Formation of dimethylnitrosamine from pesticides carrying methylated tertiary aminogroups in the presence of nitrite at pH 3.
Topics: Chemical Phenomena; Chemistry; Dimethylnitrosamine; Food Contamination; Herbicides; Hydrogen-Ion Concentration; Insecticides; Methylurea Compounds; Nitrites; Nitrosamines; Organophosphorus Compounds; Pesticide Residues; Thiram | 1976 |
Screening for nitrosodimethylamine in human urine and experiments on the formation of this carcinogen from the analgesic amidopyrine in bacterial model systems.
Topics: Aminopyrine; Ascorbic Acid; Bacteria; Dimethylnitrosamine; Escherichia coli; Glucose; Humans; Hydrogen-Ion Concentration; Models, Biological; Nitrites; Nitrosamines; Urea | 1976 |
Mechanism of N-nitrosodimethylamine formation from trimethylamine and trimethylaminoxide.
Topics: Chemical Phenomena; Chemistry; Dimethylnitrosamine; Hydrogen-Ion Concentration; Kinetics; Methylamines; Nitrites; Nitrosamines; Oxides; Temperature | 1978 |
Formation of nitrosodimethylamine by microorganisms used in the baking industry or isolated from the raw materials of bakery products.
Topics: Bacteria; Dimethylnitrosamine; Flour; Food Microbiology; Fungi; Hydrogen-Ion Concentration; Nitrites; Nitrosamines; Saccharomyces cerevisiae; Time Factors; Triticum | 1978 |
Nitrosation of drugs by human salivary nitrite.
Topics: Adult; Aminopyrine; Dimethylnitrosamine; Female; Humans; Male; Nitrites; Nitrosamines; Oxytetracycline; Saliva | 1978 |
Drug-nitrite interactions: species and sex differences in the formation of dimethylnitrosamine and its effects on the hepatic enzyme activities.
Topics: Aminopyrine; Animals; Dimethylnitrosamine; Female; Gastric Mucosa; Guinea Pigs; Hexobarbital; Liver; Male; Nitrites; Nitrosamines; Rats; Sex Factors; Sleep; Species Specificity; Time Factors | 1979 |
Mutagenicity detection of in vivo nitrosation of dimethylamine by nitrite.
Topics: Animals; Biotransformation; Diethylamines; Dimethylnitrosamine; Liver; Mice; Mutagenicity Tests; Mutagens; Nitrites; Rats; Salmonella typhimurium | 1979 |
[Influence of precursors of endogenously synthesized dimethylnitrosamine on the activity of the demethylase of that carcinogen in rat liver].
Topics: Animals; Caseins; Dactinomycin; Dimethylamines; Dimethylnitrosamine; Drug Interactions; Male; Microsomes, Liver; Nitrites; Oxidoreductases, N-Demethylating; Rats | 1977 |
Effects of imipramine, nitrite, and dimethylnitrosamine on reproduction in mice.
Topics: Animals; Birth Weight; Body Weight; Dimethylnitrosamine; Drug Interactions; Female; Fertility; Imipramine; Mice; Nitrites; Nitrosamines; Reproduction | 1978 |
Nitrate, nitrite, dimethylnitrosamine and N-nitrosopyrrolidine in some Chinese food products.
Topics: China; Dimethylnitrosamine; Food Analysis; Nitrates; Nitrites; Nitrosamines; Nitroso Compounds; Pyrrolidines | 1977 |
Quantitation of dimethylnitrosamine in the whole mouse after biosynthesis in vivo from trace levels of precursors.
Topics: Animals; Chromatography, High Pressure Liquid; Dimethylamines; Dimethylnitrosamine; Freezing; Male; Mice; Nitrites; Nitrosamines; Time Factors | 1977 |
Phenolic antioxidants and the inhibition of hepatotoxicity from N-dimethylnitrosamine formed in situ in the rat stomach.
Topics: Alanine Transaminase; Animals; Antioxidants; Ascorbic Acid; Aspartate Aminotransferases; Chemical and Drug Induced Liver Injury; Diet; Dimethylamines; Dimethylnitrosamine; Gastric Mucosa; Liver; Liver Diseases; Male; Nitrites; Ornithine Carbamoyltransferase; Phenols; Rats | 1977 |
A survey of fish products for volatile N-nitrosamines.
Topics: Animals; Cooking; Diethylnitrosamine; Dimethylnitrosamine; Fish Products; Fishes; Nitrates; Nitrites; Nitrosamines; Piperidines; Pyrrolidines; Shellfish | 1976 |
[Nitrosamines. Review].
Topics: Amino Acids; Dimethylnitrosamine; Food Analysis; Humans; Neoplasms; Nitrites; Nitrosamines | 1976 |
Volatile nitrosamines in fried bacon.
Topics: Animals; Dimethylnitrosamine; Fats; Food Preservation; Gases; Hot Temperature; Meat; Nitrates; Nitrites; Nitrosamines; Pyrrolidines; Swine; Temperature; Time Factors | 1976 |
Determination of eight volatile nitrosamines in thirty cured meat products with capillary gas chromatography-high-resolution mass spectrometry: the presence of nitrosodiethylamine and the absence of nitrosopyrrolidine.
Topics: Animals; Chromatography, Gas; Diethylnitrosamine; Dimethylnitrosamine; Food Preservation; Horses; Mass Spectrometry; Meat; Nitrites; Nitrosamines; Pyrrolidines; Swine | 1976 |
Nitrosamines in cured meat products.
Topics: Animals; Canada; Chromatography, Gas; Condiments; Diethylnitrosamine; Dimethylnitrosamine; Food Preservation; Food-Processing Industry; Mass Spectrometry; Meat; Nitrates; Nitrites; Nitrosamines; Piperidines; Pyrrolidines; Swine; Time Factors | 1976 |
Reduction of nitrosodimethylamine content in Cantonese salt fish.
Topics: Animals; Anti-Bacterial Agents; Dimethylnitrosamine; Fishes; Food Preservation; Hong Kong; Meat; Methods; Nitrites; Nitrosamines; Sodium Chloride | 1976 |
Experiments on the detection of the carcinogenic N-nitroso-dimethylamine in the urine of rats after oral administration of the analgesic amidopyrine and nitrite.
Topics: Aminopyrine; Animals; Dimethylnitrosamine; Female; Nitrites; Nitrosamines; Rats | 1976 |
Effect of ascorbic acid on amine-nitrite toxicity.
Topics: Alanine Transaminase; Aminopyrine; Animals; Ascorbic Acid; Chemical and Drug Induced Liver Injury; Dimethylnitrosamine; Liver; Liver Diseases; Necrosis; Nitrites; Nitrosamines; Rats | 1975 |
Dimethylnitrosamine in souse and similar jellied cured-meat products.
Topics: Dimethylnitrosamine; Food Preservation; Gelatin; Meat; Nitrites; Nitrosamines; Pyrrolidines | 1975 |
Methods for limiting the content of dimethylnitrosamine in Chinese marine salt fish.
Topics: Amines; Animals; Carps; Chemical Phenomena; Chemistry; Dimethylnitrosamine; Fish Products; Fishes; Food Preservatives; Nitrates; Nitrites; Nitrosamines; Sodium Chloride; Species Specificity | 1976 |
[Studies of pickled vegetables and cause of esophageal cancer in Linxian. II. Determination of nitrosamines and their precursors].
Topics: Diethylnitrosamine; Dimethylnitrosamine; Esophageal Neoplasms; Food Preservation; Humans; Nitrates; Nitrites; Vegetables | 1991 |
Effect of dietary protein depletion and ethanol on demethylation and denitrosation of N-nitrosodimethylamine by rabbit liver microsomes.
Topics: Animals; Biotransformation; Blood Proteins; Cytochrome P-450 Enzyme System; Dimethylnitrosamine; Ethanol; Formaldehyde; Male; Microsomes, Liver; Nitrites; Protein Deficiency; Rabbits | 1991 |
N-nitrosamines in the stomach with special reference to in vitro formation, and kinetics after intragastric or intravenous administration in rats.
Topics: Animals; Diethylnitrosamine; Dimethylnitrosamine; Female; Gastric Juice; Gastric Mucosa; Humans; Hydrogen-Ion Concentration; In Vitro Techniques; Male; Middle Aged; Nitrites; Nitrosation; Rats; Rats, Inbred Strains | 1990 |
In vivo inhibition of N-nitrosodimethylamine metabolism by 4-methylpyrazole: a model for endogenous nitrosation.
Topics: Animals; Ascorbic Acid; Biotransformation; Chromatography, Gas; Diet; Dimethylnitrosamine; Ferrets; Fomepizole; Male; Nitrites; Pyrazoles; Thiocyanates | 1989 |
Enhanced demethylation and denitrosation of N-nitrosodimethylamine by human liver microsomes from alcoholics.
Topics: Adult; Alcoholism; Biotransformation; Cytochrome P-450 Enzyme System; Dimethylnitrosamine; Dose-Response Relationship, Drug; Female; Formaldehyde; Humans; Isoenzymes; Male; Methylation; Microsomes, Liver; Nitrites | 1989 |
[Assessment of the degree of carcinogenicity of small doses of nitrites].
Topics: Aminopyrine; Animals; Carcinogens; Dimethylnitrosamine; Female; Food; Gastric Juice; Humans; Male; Mice; Mice, Inbred C57BL; Mice, Inbred CBA; Morpholines; Nitrites; Nitrosamines; Sodium Nitrite; Water Supply | 1989 |
Inhibitory effects of para-aminobenzoic acid on the formation and mutagenicity of N-nitroso compounds.
Topics: 4-Aminobenzoic Acid; Aminobenzoates; Ascorbic Acid; Biotransformation; Dimethylnitrosamine; Methylnitronitrosoguanidine; Methylnitrosourea; Methylurea Compounds; Mutagenicity Tests; Mutation; Nitrites; Nitroso Compounds; Plants | 1988 |
Nitrosation of bromhexine and aminophenazone in gastric juice after high nitrate loading in the diet. An ex-vivo/in-vitro study in humans.
Topics: Aminopyrine; Bromhexine; Carcinogenicity Tests; Chromatography, Gas; Diet; Dimethylnitrosamine; Gastric Juice; Humans; Hydrogen-Ion Concentration; In Vitro Techniques; Nitrates; Nitrites; Nitrosamines; Saliva | 1988 |
Induction of mutagenic activity of tetracycline by synergistic action with nitrite.
Topics: Animals; Dealkylation; Dimethylnitrosamine; Drug Synergism; Microsomes, Liver; Mutagens; Nitrites; Rats; Rats, Inbred Strains; Tetracycline | 1987 |
Dietary fat and N-nitrosation in the rat.
Topics: Animals; Dietary Fats; Dimethylnitrosamine; Food; Gastric Mucosa; Intestine, Small; Nitrate Reductases; Nitrates; Nitrites; Nitrosamines; Rats; Rats, Inbred Strains; Starvation; Stomach | 1987 |
Mechanism and control of denitrosation of N-nitrosodimethylamine.
Topics: Animals; Cytochrome P-450 Enzyme System; Dimethylnitrosamine; Isoenzymes; Microsomes, Liver; NADP; Nitric Oxide; Nitrites; Rats; Superoxide Dismutase | 1987 |
Potential for metabolic deactivation of carcinogenic N-nitrosodimethylamine in vivo.
Topics: Alkylation; Animals; Dimethylnitrosamine; Inactivation, Metabolic; Methylamines; Nitrites; Rats; Rats, Inbred F344 | 1987 |
An investigation of apparent total N-nitroso compounds in beer.
Topics: Beer; Dimethylnitrosamine; Nitrates; Nitrites; Nitroso Compounds | 1987 |
Metabolic nitrite formation from N-nitrosamines: are there other pathways than reductive denitrosation by cytochrome P-450?
Topics: Animals; Cytochrome P-450 Enzyme System; Dimethylnitrosamine; Female; Hypoxanthine; Hypoxanthines; Mice; Microsomes, Liver; NADP; Nitrites; Nitrosamines; Xanthine Oxidase | 1986 |
Concurrent generation of methylamine and nitrite during denitrosation of N-nitrosodimethylamine by rat liver microsomes.
Topics: Acetone; Animals; Chromatography, Gas; Dimethylamines; Dimethylnitrosamine; Enzyme Induction; Ethanol; Male; Mass Spectrometry; Methylamines; Microsomes, Liver; Nitrites; Rats | 1987 |
In vivo nitrosation of amidopyrine in humans: use of 'ethanol effect' for biological monitoring of N-nitrosodimethylamine in urine.
Topics: Aminopyrine; Dimethylnitrosamine; Ethanol; Humans; Nitrates; Nitrites; Saliva | 1985 |
[Transplacental effect of sodium nitrite on rat lung cells with their subsequent culture in the medium with precursors of N-nitrosodimethylamine].
Topics: Aminopyrine; Animals; Ascorbic Acid; Cell Survival; Culture Media; Dimethylnitrosamine; Drug Synergism; Female; Fetus; In Vitro Techniques; Lung; Maternal-Fetal Exchange; Mitosis; Nitrites; Phenobarbital; Pregnancy; Pregnancy, Animal; Rats; Sodium Nitrite; Vitamin E | 1985 |
Nitrite: a co-carcinogen?
Topics: Animals; Cocarcinogenesis; Dimethylnitrosamine; Drug Synergism; Esophageal Neoplasms; Female; Neoplasms, Experimental; Nitrites; Rats; Respiratory System; Sodium Nitrite | 1985 |
N-Nitroso compounds and human cancer. A molecular epidemiologic approach.
Topics: Adult; Alcohol Drinking; Brain Neoplasms; Chemical Phenomena; Chemistry; Diet; Dimethylnitrosamine; Epidemiologic Methods; Female; Food Analysis; Humans; Kinetics; Male; Models, Biological; Neoplasms; Nitrates; Nitrites; Nitroso Compounds; Smoking; Surveys and Questionnaires | 1985 |
Suppressive influence of methemoglobinemia due to nitrite on hepatotoxicosis due to dimethylnitrosamine (DMN) in germ-free rats.
Topics: Animals; Dimethylnitrosamine; Germ-Free Life; Kinetics; Liver; Male; Methemoglobin; Methemoglobinemia; Nitrites; Rats; Rats, Inbred Strains; Sodium Nitrite | 1985 |
[Proceedings: Effect of food additives on the body].
Topics: Animals; Dimethylnitrosamine; Food Additives; Nitrites; Rats | 1974 |
[Possibility of N-dimethylnitrosamine formation after parenteral administration of amidopyrine and nitrite to rats].
Topics: Aminopyrine; Animals; Ascorbic Acid; Dimethylnitrosamine; Injections, Intraperitoneal; Injections, Intravenous; Liver; Male; Necrosis; Nitrites; Phenobarbital; Rats | 1984 |
Kinetics of nitrosation of thioproline, the precursor of a major nitroso compound in human urine, and its role as a nitrite scavenger.
Topics: Antineoplastic Agents; Carcinogens; Dimethylnitrosamine; Humans; Hydrogen-Ion Concentration; Kinetics; Nitrites; Nitroso Compounds; Thiazoles; Thiazolidines | 1984 |
[Determination of nitrosamines in salted pollack roe treated with nitrite].
Topics: Chromatography, Gas; Dimethylnitrosamine; Fish Products; Food Additives; Food Preservation; Nitrites; Sodium Chloride | 1984 |
In-vivo formation of N-nitrosodimethylamine in humans after amidopyrine intake.
Topics: Aminopyrine; Dimethylnitrosamine; Humans; Nitrates; Nitrites; Saliva | 1984 |
Epidemiological assessment of risk to humans from exposure to nitrosamines.
Topics: Dimethylnitrosamine; Environmental Exposure; Female; Food Analysis; Humans; Male; Meat; Neoplasms; Nicotiana; Nitrates; Nitrites; Nitrosamines; Plants, Toxic; Risk | 1984 |
Zinc deficiency and the development of esophageal and forestomach tumors in Sprague-Dawley rats fed precursors of N-nitroso-N-benzylmethylamine.
Topics: Animals; Benzylamines; Biotransformation; Dimethylnitrosamine; Esophageal Neoplasms; Male; Nitrites; Rats; Rats, Inbred Strains; Stomach Neoplasms; Zinc | 1984 |
Evidence for generation of the precarcinogen nitrosodimethylamine in the small intestine in chronic renal failure.
Topics: Bacteria; Cocarcinogenesis; Dimethylnitrosamine; Duodenum; Gastric Mucosa; Humans; Kidney Failure, Chronic; Nitrates; Nitrites; Precancerous Conditions | 1983 |
Measurement of 7-methylguanine as an estimate of the amount of dimethylnitrosamine formed following administration of aminopyrine and nitrite to rats.
Topics: Aminopyrine; Animals; Carbon Radioisotopes; Dimethylamines; Dimethylnitrosamine; DNA; Guanine; Kinetics; Liver; Male; Nitrites; Rats; Rats, Inbred Strains; Sodium Nitrite | 1983 |
Methylation of liver DNA of rat and mouse by N-nitrosodimethylamine formed in vivo from dimethylamine and nitrite.
Topics: Animals; Ascorbic Acid; Dimethylamines; Dimethylnitrosamine; DNA; Liver; Male; Methylation; Mice; Nitrites; Rats; Vitamin E | 1983 |
Influence of various milk products on the concentration of nitrite and the formation of nitrosodimethylamine in vitro.
Topics: Animals; Cattle; Chromatography, Gas; Dietary Fats; Dimethylnitrosamine; Milk; Nitrites | 1983 |
Susceptibility of germ-free rats to the hepatotoxic effects of dimethylnitrosamine or dimethylamine plus sodium nitrite administered orally.
Topics: Administration, Oral; Animals; Dimethylamines; Dimethylnitrosamine; Germ-Free Life; Liver; Male; Necrosis; Nitrites; Rats; Rats, Inbred Strains; Sodium Nitrite | 1983 |
Drug-nitrite interactions in human saliva: effects of food constituents on carcinogenic N-nitrosamine formation.
Topics: Adult; Aminopyrine; Chromatography, High Pressure Liquid; Dimethylnitrosamine; Female; Food; Humans; Male; Nitrites; Oxytetracycline; Saliva | 1982 |
The effect of ascorbic acid on the amine-nitrite and nitrosamine mutagenicity in bacteria injected into mice.
Topics: Amines; Aminopyrine; Animals; Ascorbic Acid; Dimethylnitrosamine; Escherichia coli; Female; Mice; Mutagenicity Tests; Mutagens; Nitrites; Nitrosamines | 1981 |
In vivo stability of nitrite and nitrosamine formation in the dog stomach: effect of nitrite and amine concentration and of ascorbic acid.
Topics: Absorption; Animals; Ascorbic Acid; Depression, Chemical; Diet; Dimethylamines; Dimethylnitrosamine; Dogs; Female; Gastric Mucosa; Hydrogen-Ion Concentration; Male; Nitrites; Time Factors | 1982 |
Zinc deficiency and the induction of oesophageal tumors in rats by benzylmethylamine and sodium nitrite.
Topics: Amines; Animals; Benzylamines; Carcinogens; Dimethylnitrosamine; Esophageal Neoplasms; Male; Neoplasms, Experimental; Nitrites; Rats; Rats, Inbred Strains; Sodium Nitrite; Stomach Neoplasms; Zinc | 1982 |
Formation of volatile N-nitrosamines from food products, especially fish, under simulated gastric conditions.
Topics: Animals; Dimethylnitrosamine; Fish Products; Food Analysis; Gastric Mucosa; Humans; Nitrates; Nitrites; Nitrosamines; Volatilization | 1982 |
Occurrence and formation of nitrosamines in animal feeds.
Topics: Animal Feed; Animals; Dimethylnitrosamine; Fishes; Meat; Nitrates; Nitrites; Nitrosamines; Nitroso Compounds | 1980 |
Studies on the in vivo formation of nitrosamines in rats and humans after ingestion of various meals.
Topics: Animals; Diet; Diethylnitrosamine; Dimethylnitrosamine; Food Analysis; Humans; Nitrates; Nitrites; Nitrosamines; Rats; Species Specificity | 1980 |
A survey of feeding N-nitrosodimethylamine (NDMA) to domestic animals over an 18 year period.
Topics: Animal Feed; Animals; Animals, Domestic; Dimethylnitrosamine; Fishes; Food Handling; Formaldehyde; Meat; Nitrites; Sheep | 1980 |
Studies on nitrosamine formation by the interaction between drugs and nitrite. II. Hepatotoxicity by the simultaneous administration of several drugs and nitrite.
Topics: Aminopyrine; Animals; Antioxidants; Ascorbic Acid; Dimethylnitrosamine; Drug Interactions; Liver; Male; Nitrites; Nitrosamines; Rats; Rats, Inbred Strains | 1981 |
Detection by alkaline elution of rat liver DNA damage induced by simultaneous subacute administration of nitrite and aminopyrine.
Topics: Aminopyrine; Animals; Dimethylnitrosamine; DNA; Drug Interactions; Liver; Male; Nitrites; Rats | 1980 |
Volatile nitrosamines in human blood before and after ingestion of a meal containing high concentrations of nitrate and secondary amines.
Topics: Adolescent; Adult; Amines; Dimethylnitrosamine; Food Analysis; Humans; Male; Nitrates; Nitrites; Nitrosamines | 1980 |
Daily dietary intakes of nitrate, nitrite and volative N-nitrosamines in the Netherlands using the duplicate portion sampling technique.
Topics: Beer; Dimethylnitrosamine; Drinking; Female; Food Analysis; Humans; Male; Nitrates; Nitrites; Nitrosamines | 1980 |
Induction of 8-azaguanine-resistant mutation and neoplastic transformation of hamster embryonic cells by coadministration of sodium nitrite and aminopyrine.
Topics: Abnormalities, Drug-Induced; Aminopyrine; Animals; Azaguanine; Cells, Cultured; Cricetinae; Dimethylnitrosamine; Female; In Vitro Techniques; Maternal-Fetal Exchange; Mutation; Neoplasms; Nitrites; Pregnancy; Sodium Nitrite | 1980 |
Nitrosamine, nitrate and nitrite in relation to gastric cancer: a case-control study in Marseille, France.
Topics: Adenocarcinoma; Aged; Case-Control Studies; Diet; Dimethylnitrosamine; Energy Intake; Female; France; Humans; Male; Nitrates; Nitrites; Odds Ratio; Risk Factors; Stomach Neoplasms; Surveys and Questionnaires | 1995 |
[Effects of selenium on endogenous synthesis of N-nitrosamines and toxicity of nitrites in rats].
Topics: Aminopyrine; Animal Feed; Animals; Biochemical Phenomena; Biochemistry; Dimethylnitrosamine; Male; Nitrites; Nitrosamines; Rats; Rats, Wistar; Selenium; Selenomethionine; Sodium Nitrite | 1994 |
Nitrosamine intake and gastric cancer risk.
Topics: Adult; Age Factors; Aged; Carcinogens; Case-Control Studies; Diet; Dimethylnitrosamine; Energy Intake; Feeding Behavior; Female; Humans; Italy; Male; Middle Aged; Multivariate Analysis; Nitrates; Nitrites; Nitrosamines; Odds Ratio; Risk Factors; Sex Factors; Stomach Neoplasms | 1995 |
Dietary intakes of nitrate, nitrite and NDMA in the Finnish Mobile Clinic Health Examination Survey.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Animals; Cheese; Diet; Dimethylnitrosamine; Female; Finland; Fishes; Fruit; Health Surveys; Humans; Male; Meat Products; Middle Aged; Nitrates; Nitrites; Vegetables | 1996 |
[N-nitrosamines and nitrites in meat and meat products].
Topics: Carcinogens; Chromatography, Gas; Diethylnitrosamine; Dimethylnitrosamine; Luminescent Measurements; Meat; Meat Products; Nitrites; Nitrosamines | 1999 |
Occurrence of preformed volatile nitrosamines in preparations of some Nigerian medicinal plants: a preliminary report.
Topics: Chromatography, Gas; Differential Thermal Analysis; Dimethylnitrosamine; Drug Contamination; Medicine, African Traditional; Nigeria; Nitrates; Nitrites; Nitrosamines; Plant Preparations; Plants, Medicinal; Reference Standards | 2003 |
Intragastric formation and modulation of N-nitrosodimethylamine in a dynamic in vitro gastrointestinal model under human physiological conditions.
Topics: Animals; Antioxidants; Ascorbic Acid; Carcinogens; Citrus sinensis; Dimethylnitrosamine; Fishes; Flavonoids; Gastric Emptying; Gastric Juice; Gastric Mucosa; Humans; Hydrogen-Ion Concentration; Kinetics; Models, Biological; Nitric Oxide; Nitrites; Phenols; Polyphenols; Species Specificity; Tea; Thiocyanates | 2004 |
Photocatalytic degradation of N-nitrosodimethylamine: mechanism, product distribution, and TiO2 surface modification.
Topics: Carbon Dioxide; Catalysis; Dimethylamines; Dimethylnitrosamine; Hydrogen-Ion Concentration; Hydroxyl Radical; Kinetics; Methylamines; Nitrates; Nitrites; Oxalates; Photolysis; Photosensitizing Agents; Platinum; Quaternary Ammonium Compounds; Surface Properties; Titanium; Water | 2005 |
The effect of ethanol and nitric oxide on the N-nitrosodimethylamine formation in HepG2 cells overexpressing CYP2E1.
Topics: Cell Line, Tumor; Culture Media; Cytochrome P-450 CYP2E1; Dimethylnitrosamine; Ethanol; Humans; Lipopolysaccharides; NG-Nitroarginine Methyl Ester; Nitrates; Nitric Oxide; Nitrites; Nitrosamines; Time Factors; Transfection | 2005 |
Chemopreventive properties of black raspberries in N-nitrosomethylbenzylamine-induced rat esophageal tumorigenesis: down-regulation of cyclooxygenase-2, inducible nitric oxide synthase, and c-Jun.
Topics: Animals; Body Weight; Carcinogens; Carcinoma, Squamous Cell; Cyclooxygenase 2; Diet; Dimethylnitrosamine; Dinoprostone; Down-Regulation; Eating; Esophageal Neoplasms; Fruit; JNK Mitogen-Activated Protein Kinases; Male; Nitric Oxide Synthase Type II; Nitrites; Rats; Rats, Inbred F344; RNA, Messenger | 2006 |
Correlation between induction of DNA fragmentation in lung cells from rats and humans and carcinogenic activity.
Topics: Adenocarcinoma; Aged; Animals; Cadmium Compounds; Carcinogens; Comet Assay; Dimethylnitrosamine; DNA Breaks, Single-Stranded; DNA Fragmentation; Epithelial Cells; Female; Humans; Hydrazines; Lung; Lung Neoplasms; Male; Methylenebis(chloroaniline); Middle Aged; Nitrites; Primary Cell Culture; Rats; Rats, Sprague-Dawley; Respiratory Mucosa; Sulfates; Tetranitromethane; Tumor Microenvironment | 2006 |
Protection against esophageal cancer in rodents with lyophilized berries: potential mechanisms.
Topics: Animals; Anticarcinogenic Agents; Cyclooxygenase 2; Diet; Dimethylnitrosamine; Dinoprostone; DNA Adducts; Esophageal Neoplasms; Esophagus; Food Preservation; Fragaria; Freeze Drying; Fruit; Gene Expression; Guanosine; Nitric Oxide Synthase Type II; Nitrites; Phytotherapy; Proliferating Cell Nuclear Antigen; Rats; Rats, Inbred F344; Rosaceae; Weight Gain | 2006 |
Inhibitory effects of Orostachys japonicus extracts on the formation of N-nitrosodimethylamine.
Topics: Carcinogens; Chloroform; Crassulaceae; Dimethylnitrosamine; Flavonoids; Nitrites; Nitrosamines; Phenols; Plant Extracts | 2006 |
Geographic distribution of liver and stomach cancers in Thailand in relation to estimated dietary intake of nitrate, nitrite, and nitrosodimethylamine.
Topics: Adult; Carcinogens; Demography; Diet; Diet Surveys; Dimethylnitrosamine; Female; Food Analysis; Food Handling; Humans; Incidence; Liver Neoplasms; Male; Meat; Middle Aged; Nitrates; Nitrites; Stomach Neoplasms; Surveys and Questionnaires; Thailand | 2008 |
N-nitrosodimethylamine (NDMA) as a product of potassium permanganate reaction with aqueous solutions of dimethylamine (DMA).
Topics: Ammonia; Dimethylamines; Dimethylnitrosamine; Formates; Free Radical Scavengers; Hydrogen-Ion Concentration; Nitrates; Nitrites; Oxidation-Reduction; Potassium Permanganate; Solutions; Sulfites; Suspensions | 2009 |
Theoretical investigation of N-nitrosodimethylamine formation from dimethylamine nitrosation catalyzed by carbonyl compounds.
Topics: Acetone; Aldehydes; Catalysis; Dimethylamines; Dimethylnitrosamine; Ketones; Nitrites; Nitrosation; Quantum Theory; Solvents | 2009 |
Influence of nitrogen source on NDMA formation during chlorination of diuron.
Topics: Ammonia; Dimethylnitrosamine; Diuron; Halogenation; Herbicides; Nitrates; Nitrites; Nitrogen; Water Pollution, Chemical | 2009 |
Aerobic biodegradation of N-nitrosodimethylamine by the propanotroph Rhodococcus ruber ENV425.
Topics: Aerobiosis; Biotransformation; Dimethylnitrosamine; Formamides; Formates; Glucose; Methylamines; Nitrates; Nitric Oxide; Nitrites; Oxidation-Reduction; Peptones; Propane; Rhodococcus | 2009 |
Prospective study of meat intake and dietary nitrates, nitrites, and nitrosamines and risk of adult glioma.
Topics: Adult; Aged; Brain Neoplasms; Cohort Studies; Diet; Diet Surveys; Dimethylnitrosamine; Female; Glioma; Humans; Male; Meat; Meat Products; Middle Aged; Nitrates; Nitrites; Nitrosamines; Proportional Hazards Models; Risk | 2009 |
Evaluation of the protective effect of ascorbic acid on nitrite- and nitrosamine-induced cytotoxicity and genotoxicity in human hepatoma line.
Topics: Antioxidants; Ascorbic Acid; Carcinoma, Hepatocellular; Cell Survival; Comet Assay; Cytoprotection; Diethylnitrosamine; Dimethylnitrosamine; DNA Damage; Dose-Response Relationship, Drug; Hep G2 Cells; Humans; Liver Neoplasms; Mutagens; Nitrites; Nitrosamines; Oxidative Stress; Reactive Oxygen Species; Time Factors | 2010 |
N-Nitroso compounds and cancer incidence: the European Prospective Investigation into Cancer and Nutrition (EPIC)-Norfolk Study.
Topics: Adult; Aged; Ascorbic Acid; Carcinogens; Diet; Dimethylnitrosamine; Europe; Female; Gastrointestinal Neoplasms; Humans; Incidence; Iron, Dietary; Male; Meat; Middle Aged; Neoplasms; Nitrites; Nitroso Compounds; Prospective Studies; Rectal Neoplasms; Risk; United Kingdom | 2011 |
Chloramination of nitrogenous contaminants (pharmaceuticals and pesticides): NDMA and halogenated DBPs formation.
Topics: Chloramines; Dimethylnitrosamine; Disinfection; Halogenation; Hydrogen-Ion Concentration; Nitrites; Nitrogen Compounds; Oxygen; Pesticides; Pharmaceutical Preparations; Solubility | 2011 |
Aromatic C-nitrosation of a bioactive molecule. Nitrosation of minoxidil.
Topics: Alopecia; Animals; Antihypertensive Agents; Chromatography, Liquid; Dimethylnitrosamine; Drug-Related Side Effects and Adverse Reactions; Humans; Hydrogen-Ion Concentration; Hypertension; Kinetics; Magnetic Resonance Spectroscopy; Minoxidil; Molecular Structure; Nitrites; Nitrosation; Phenol; Protons; Rats; Stereoisomerism | 2011 |
N-nitrosamines formation from secondary amines by nitrogen fixation on the surface of activated carbon.
Topics: Amines; Atmosphere; Carbon; Catalysis; Charcoal; Dimethylnitrosamine; Hydroxyl Radical; Hydroxylamine; Isotope Labeling; Microscopy, Electron, Scanning; Models, Chemical; Nitrites; Nitrogen; Nitrogen Fixation; Nitrosamines; Nitrous Oxide; Oxygen; Photoelectron Spectroscopy; Solubility; Surface Properties | 2011 |
Dietary N-nitroso compounds, endogenous nitrosation, and the risk of esophageal and gastric cancer subtypes in the Netherlands Cohort Study.
Topics: Aged; Ascorbic Acid; Chlorophyll; Diet; Dimethylnitrosamine; Esophageal Neoplasms; Female; Follow-Up Studies; Humans; Iron, Dietary; Linear Models; Male; Middle Aged; Multivariate Analysis; Netherlands; Nitrates; Nitrites; Nitrosation; Prospective Studies; Risk Assessment; Risk Factors; Stomach Neoplasms; Surveys and Questionnaires | 2013 |
Role of ERK1/2 kinase in the expression of iNOS by NDMA in human neutrophils.
Topics: Adolescent; Adult; Anions; Dimethylnitrosamine; Enzyme Inhibitors; Gene Expression Regulation, Enzymologic; Humans; Mitogen-Activated Protein Kinase 1; Mitogen-Activated Protein Kinase 3; Models, Biological; Neutrophils; Nitric Oxide Synthase Type II; Nitrites; Oxygen; p38 Mitogen-Activated Protein Kinases; Superoxides | 2013 |
Analysis of N-nitrosodiethylamine by ion chromatography coupled with UV photolysis pretreatment.
Topics: Chromatography; Diethylnitrosamine; Dimethylnitrosamine; Hydrogen-Ion Concentration; Nitrites; Nitrosamines; Photolysis; Ultraviolet Rays | 2016 |
Effects of inoculating autochthonous starter cultures on N-nitrosodimethylamine and its precursors formation during fermentation of Chinese traditional fermented fish.
Topics: Animals; Dimethylnitrosamine; Fermentation; Fish Products; Fishes; Food Microbiology; Lactobacillus plantarum; Nitrites | 2019 |
Nitrosamines in sucuk: Effects of black pepper, sodium ascorbate and cooking level.
Topics: Ascorbic Acid; Cooking; Dimethylnitrosamine; Gas Chromatography-Mass Spectrometry; Hydrogen-Ion Concentration; Meat Products; Nitrites; Nitrosamines; Piper nigrum | 2019 |
Nitrosamine formation in a semi-dry fermented sausage: Effects of nitrite, ascorbate and starter culture and role of cooking.
Topics: Animals; Ascorbic Acid; Bacteriocins; Cattle; Cooking; Dimethylnitrosamine; Food Microbiology; Hot Temperature; Inositol Phosphates; Lactobacillus plantarum; Meat Products; Nitrites; Red Meat; Staphylococcus | 2020 |
Temperature-Dependent Formation of N-Nitrosodimethylamine during the Storage of Ranitidine Reagent Powders and Tablets.
Topics: Chromatography, High Pressure Liquid; Dimethylnitrosamine; Drug Compounding; Drug Stability; Humans; Nitrites; Nitrosamines; Powders; Ranitidine; Tablets; Tandem Mass Spectrometry; Temperature | 2020 |
Investigating the root cause of N-nitrosodimethylamine formation in metformin pharmaceutical products.
Topics: Chemistry, Pharmaceutical; Delayed-Action Preparations; Dimethylnitrosamine; Drug Compounding; Drug Contamination; Excipients; Hot Temperature; Humans; Metformin; Nitrates; Nitrites; Tablets; Water | 2021 |
The occurrence of volatile and non-volatile N-nitrosamines in cured meat products from the Danish market.
Topics: Denmark; Dimethylnitrosamine; Meat; Meat Products; Nitrites; Nitrosamines | 2022 |
Avoiding N-nitrosodimethylamine formation in metformin pharmaceuticals by limiting dimethylamine and nitrite.
Topics: Dimethylamines; Dimethylnitrosamine; Excipients; Humans; Metformin; Nitrites | 2022 |
N-Nitrosation in the absence of nitrosating agents in pharmaceuticals?
Topics: Dimethylamines; Dimethylnitrosamine; Hydrogen Peroxide; Nitrites; Nitrosation; Pharmaceutical Preparations | 2022 |
N-Nitrosodimethylamine formation in metformin hydrochloride sustained-release tablets: Effects of metformin and hypromellose used in drug product formulation.
Topics: Chromatography, Liquid; Delayed-Action Preparations; Dimethylnitrosamine; Excipients; Hypromellose Derivatives; Metformin; Nitrates; Nitrites; Nitrosamines; Peroxides; Tablets; Tandem Mass Spectrometry; Water | 2023 |
Ranitidine: A Proposed Mechanistic Rationale for NDMA Formation and a Potential Control Strategy.
Topics: Dimethylnitrosamine; Nitrites; Oxygen; Ranitidine | 2023 |
Solid State Kinetics of Nitrosation Using Native Sources of Nitrite.
Topics: Dimethylnitrosamine; Excipients; Kinetics; Nitrites; Nitrogen Dioxide; Nitrosamines; Nitrosation | 2023 |
NDMA Formation Due to Active Ingredient Degradation and Nitrite Traces in Drug Product.
Topics: Afatinib; Dimethylnitrosamine; Humans; Hydrogen-Ion Concentration; Nitrites; Nitrosamines; Povidone | 2023 |
Changes in N-nitrosamines, Residual Nitrites, Lipid Oxidation, Biogenic Amines, and Microbiota in Chinese Sausages Following Treatment with Tea Polyphenols and Their Palmitic Acid-modified Derivatives.
Topics: Biogenic Amines; Dimethylnitrosamine; Fermentation; Meat Products; Microbiota; Nitrites; Nitrosamines; Palmitic Acid; Polyphenols; Tea | 2023 |
Occurrence of N-nitrosodimethylamine in roasted Alaska pollock fillets during processing and storage and preliminary cancer risk assessment.
Topics: Alaska; Animals; Dimethylnitrosamine; Humans; Neoplasms; Nitrates; Nitrites | 2023 |