1,3,7,9-tetramethyluric acid has been researched along with caffeine in 15 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 1 (6.67) | 18.2507 |
| 2000's | 2 (13.33) | 29.6817 |
| 2010's | 6 (40.00) | 24.3611 |
| 2020's | 6 (40.00) | 2.80 |
| Authors | Studies |
|---|---|
| Bearne, SL; Lunn, FA; Roy, AC | 1 |
| Andersson, HC; Kihlman, BA | 1 |
| Cameron, IL; Lyles, MB | 1 |
| Ashihara, H; Crozier, A; Kato, M; Ye, CX; Zheng, XQ | 1 |
| Gong, P; He, RR; Hu, HH; Kurihara, H; Li, SB; Li, YF; Mao, ZF; Ouyang, SH; Tsoi, B; Wu, YP | 1 |
| Bloomer, RJ; Joyner, KJ; Kuhman, DJ | 1 |
| Cao, H; Chang, YQ; He, RR; Kurihara, H; Li, WX; Li, YF; Ouyang, SH; Tian, HY; Wang, TM | 1 |
| Bai, X; He, J; Li, T; Qiao, H; Xu, J; Ye, X; Zhang, J; Zhang, W | 1 |
| Cesareo, KR; Mason, JR; Morrissey, MC; Ormsbee, MJ; Saracino, PG | 1 |
| Abe, I; Cao, ZQ; Ding, K; Duan, WJ; Gong, HB; He, RR; Hu, D; Kurihara, H; Li, YF; Lu, X; Ouyang, SH; Sun, WY; Tan, L; Wang, Y; Xie, C; Xie, G; Zhang, YH; Zhang, ZM | 1 |
| Chen, L; Jiang, CK; Jin, JQ; Yao, MZ | 1 |
| Bloomer, RJ; Butawan, M; Mondal, G; Wang, YH; Yates, CR | 1 |
| Chen, X; Gu, M; Shao, S; Wang, P; Yang, R; Ye, N; Zhao, F | 1 |
| Arent, SM; Bello, ML; Cardaci, TD; Chandler, AJ; Cintineo, HP; McFadden, BA | 1 |
| Cerqueira, HSC; Corrêa Junior, M; Filho, HT; Martinelli Junior, CE | 1 |
4 trial(s) available for 1,3,7,9-tetramethyluric acid and caffeine
| Article | Year |
|---|---|
Cognitive Performance and Mood Following Ingestion of a Theacrine-Containing Dietary Supplement, Caffeine, or Placebo by Young Men and Women.
Topics: Affect; Appetite; Blood Pressure; Caffeine; Camellia; Cognition; Cross-Over Studies; Diet Records; Dietary Supplements; Double-Blind Method; Female; Heart Rate; Humans; Male; Motor Activity; Plant Extracts; Plant Leaves; Reaction Time; Uric Acid; Young Adult | 2015 |
The effects of a caffeine-like supplement, TeaCrine®, on muscular strength, endurance and power performance in resistance-trained men.
Topics: Adult; Caffeine; Cross-Over Studies; Double-Blind Method; Humans; Male; Muscle Strength; Muscle, Skeletal; Performance-Enhancing Substances; Physical Endurance; Resistance Training; Uric Acid; Young Adult | 2019 |
Effects of caffeine, methylliberine, and theacrine on vigilance, marksmanship, and hemodynamic responses in tactical personnel: a double-blind, randomized, placebo-controlled trial.
Topics: Alkaloids; Athletic Performance; Caffeine; Double-Blind Method; Heart Rate; Humans; Polyesters; Purines; Uric Acid | 2022 |
Effects of Theacrine as a Pre-Workout Supplement.
Topics: Caffeine; Cross-Over Studies; Dietary Supplements; Double-Blind Method; Humans; Male; Uric Acid | 2022 |
11 other study(ies) available for 1,3,7,9-tetramethyluric acid and caffeine
| Article | Year |
|---|---|
Inhibition of CTP synthase from Escherichia coli by xanthines and uric acids.
Topics: Carbon-Nitrogen Ligases; Enzyme Inhibitors; Escherichia coli; Kinetics; Methylation; Structure-Activity Relationship; Uric Acid; Xanthines | 2010 |
Enhancement and reduction by methylated oxypurines of the frequencies of chromatid aberrations induced by camptothecin in root-tip cells of Vicia faba.
Topics: Caffeine; Camptothecin; Chromatids; Chromosome Aberrations; Dose-Response Relationship, Drug; Methylnitrosourea; Mutagenicity Tests; Mutagens; Plants; Purines; Theophylline; Uric Acid | 1992 |
Caffeine and other xanthines as cytochemical blockers and removers of heterocyclic DNA intercalators from chromatin.
Topics: Acridine Orange; Aminophylline; Animals; Caffeine; Cell Nucleus; Central Nervous System Stimulants; Chick Embryo; Chromatin; Chromosomes; DNA; Fluorescent Dyes; Intercalating Agents; Kinetics; Microscopy, Fluorescence; Mutagens; Phosphodiesterase Inhibitors; Protein Binding; Spectrometry, Fluorescence; Time Factors; Uric Acid; Xanthine | 2002 |
Theacrine (1,3,7,9-tetramethyluric acid) synthesis in leaves of a Chinese tea, kucha (Camellia assamica var. kucha).
Topics: Adenosine; Alkaloids; Beverages; Caffeine; Camellia; Carbon Radioisotopes; Methylation; Molecular Structure; Plant Leaves; Staining and Labeling; Time Factors; Uric Acid | 2002 |
Differing chemical compositions of three teas may explain their different effects on acute blood pressure in spontaneously hypertensive rats.
Topics: Animals; Blood Pressure; Caffeine; Camellia sinensis; Epinephrine; Hypertension; Male; Norepinephrine; Plant Extracts; Rats, Inbred SHR; Rats, Wistar; Species Specificity; Tea; Theobromine; Uric Acid; Xanthines | 2015 |
A comparative analysis of chemical compositions in Camellia sinensis var. puanensis Kurihara, a novel Chinese tea, by HPLC and UFLC-Q-TOF-MS/MS.
Topics: Alkaloids; Caffeine; Camellia sinensis; China; Chromatography, High Pressure Liquid; Humans; Plant Leaves; Polyphenols; Tandem Mass Spectrometry; Tea; Uric Acid | 2017 |
Theacrine: A purine alkaloid from Camellia assamica var. kucha with a hypnotic property via the adenosine system.
Topics: Adenosine; Alkaloids; Animals; Caffeine; Camellia; Drug Synergism; Hippocampus; Male; Mice; Pentobarbital; Pyrimidines; Rats; Sleep Initiation and Maintenance Disorders; Sleep Stages; Triazoles; Uric Acid; Xanthines | 2017 |
Identification and characterization of N9-methyltransferase involved in converting caffeine into non-stimulatory theacrine in tea.
Topics: Binding Sites; Biosynthetic Pathways; Caffeine; Cloning, Molecular; Crystallography, X-Ray; Evolution, Molecular; Gene Expression Regulation, Plant; Methylation; Methyltransferases; Plant Leaves; Recombinant Proteins; Tea; Transcription, Genetic; Uric Acid | 2020 |
Baiyacha, a wild tea plant naturally occurring high contents of theacrine and 3″-methyl-epigallocatechin gallate from Fujian, China.
Topics: Alkaloids; Caffeine; Camellia; Catechin; China; Gallic Acid; Plant Extracts; Plant Leaves; Tea; Teas, Herbal; Uric Acid | 2020 |
Development of a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for characterizing caffeine, methylliberine, and theacrine pharmacokinetics in humans.
Topics: Alkaloids; Caffeine; Chromatography, Liquid; Humans; Limit of Detection; Linear Models; Purines; Reproducibility of Results; Tandem Mass Spectrometry; Uric Acid | 2020 |
Identification of Co-Expressed Genes Related to Theacrine Synthesis in Tea Flowers at Different Developmental Stages.
Topics: Alkaloids; Biosynthetic Pathways; Caffeine; Camellia sinensis; China; Flowers; Gene Expression; Gene Expression Profiling; Gene Expression Regulation, Plant; Gene Regulatory Networks; Tea; Transcriptome; Uric Acid; Xanthines | 2021 |