Page last updated: 2024-12-11

isoquercitrin

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Occurs in Manufacturing Related Drugs Related Conditions Protein Interactions Research Growth

Cross-References

ID SourceID
PubMed CID51402807
MeSH IDM0066581

Synonyms (2)

Synonym
isoquercitrin
Q63398496

Research Excerpts

Toxicity

ExcerptReferenceRelevance
" Based on the above findings, the no observed adverse effect level (NOAEL) was estimated to be 1% in both sexes (542."( Fifty-two week chronic toxicity of enzymatically decomposed rutin in Wistar rats.
Hayashi, M; Kasahara, H; Kobayashi, S; Kuroda, J; Mitsumori, K; Muto, S; Nagasawa, T; Okuhara, Y; Onozato, T; Tamura, T,
)
0.13
" Based on a favorable safety profile, it has been confirmed as generally recognized as safe (GRAS) compound by the FDA."( Ninety-day toxicity and single-dose toxicokinetics study of alpha-glycosyl isoquercitrin in Sprague-Dawley rats.
Davis, JP; Hayashi, SM; Jokinen, MP; Koyanagi, M; Maronpot, RR; Nyska, A; Ramot, Y, 2016
)
0.43
" Treatment of TAA intoxicated rats (G4) with MOLE ameliorated the toxic effects of TAA on hepatic tissue structure and function."( Protective effect of Moringa oleifera leaves ethanolic extract against thioacetamide-induced hepatotoxicity in rats via modulation of cellular antioxidant, apoptotic and inflammatory markers.
El Sabagh, HS; El-Gansh, HAI; Eldaim, MAA; Mohamed, MAE; Morsi, AH; Mousa, AA, 2019
)
0.51

Pharmacokinetics

ExcerptReferenceRelevance
" The validated method was successfully applied to pharmacokinetic studies of the two analytes in rat plasma after the oral administration of Hypericum japonicum thunb."( HPLC analysis and pharmacokinetic study of quercitrin and isoquercitrin in rat plasma after administration of Hypericum japonicum thunb. extract.
Bi, KS; Chen, XH; Li, J; Liu, X; Wang, ZW; Zhang, L, 2008
)
0.35

Compound-Compound Interactions

ExcerptReferenceRelevance
" We determined the effects of SR alone or in combination with the antioxidant α-glycosyl isoquercitrin (AGIQ) on hyperlipidemia- and steatosis-related precancerous lesions in high-fat diet (HFD)-fed rats subjected to a two-stage hepatocarcinogenesis model."( Spironolactone in Combination with α-glycosyl Isoquercitrin Prevents Steatosis-related Early Hepatocarcinogenesis in Rats through the Observed NADPH Oxidase Modulation.
Eguchi, A; Hayashi, SM; Kawashima, M; Kimura, M; Koyanagi, M; Makino, E; Maronpot, RR; Mizukami, S; Murayama, H; Nagahara, R; Nakamura, M; Ohtsuka, R; Shibutani, M; Takahashi, N; Yoshida, T, 2018
)
0.48

Bioavailability

Enzymatically modified isoquercitrin has a bioavailability 17-fold higher than quercetin aglycone and has shown potential CVD moderating effects in animal studies. Isoquerc itrin displays a number of chemoprotective effects against oxidative stress, cancer, cardiovascular disorders, diabetes and allergic reactions.

ExcerptReferenceRelevance
" The sugar moiety in quercetin glycosides affects their bioavailability in humans."( Bioavailabilities of quercetin-3-glucoside and quercetin-4'-glucoside do not differ in humans.
Hollman, PC; Katan, MB; Olthof, MR; Vree, TB, 2000
)
0.31
" In this study, the influence of dietary fat on oral bioavailability of quercetin was investigated."( Bioavailability of quercetin in pigs is influenced by the dietary fat content.
Cermak, R; Lesser, S; Wolffram, S, 2004
)
0.32
" The poor bioavailability of important dietary quercetin glycosides has implications for their in vivo bioactivities."( The type of sugar moiety is a major determinant of the small intestinal uptake and subsequent biliary excretion of dietary quercetin glycosides.
Arts, IC; Faassen-Peters, M; Hollman, PC; Sesink, AL, 2004
)
0.32
" However, there is limited knowledge on the bioavailability of specific phytochemicals from whole fruits and vegetables."( Uptake of quercetin and quercetin 3-glucoside from whole onion and apple peel extracts by Caco-2 cell monolayers.
Boyer, J; Brown, D; Liu, RH, 2004
)
0.32
" These compounds have a wide range of potential health benefits, and understanding the bioavailability of flavonoids from foods is becoming increasingly important."( In vitro digestion and lactase treatment influence uptake of quercetin and quercetin glucoside by the Caco-2 cell monolayer.
Boyer, J; Brown, D; Liu, RH, 2005
)
0.33
" Despite the loss of quercetin from the digested shallot, the bioavailability of quercetin aglycone to the Caco-2 cells was the same in both the digested and non-digested shallot."( In vitro digestion and lactase treatment influence uptake of quercetin and quercetin glucoside by the Caco-2 cell monolayer.
Boyer, J; Brown, D; Liu, RH, 2005
)
0.33
"The increase in quercetin uptake following treatment with lactase suggests that dietary supplementation with lactase may increase quercetin bioavailability in lactose intolerant humans."( In vitro digestion and lactase treatment influence uptake of quercetin and quercetin glucoside by the Caco-2 cell monolayer.
Boyer, J; Brown, D; Liu, RH, 2005
)
0.33
" Factors that influence the bioavailability of this group of polyphenolic compounds are therefore important."( Red wine alcohol promotes quercetin absorption and directs its metabolism towards isorhamnetin and tamarixetin in rat intestine in vitro.
Bennett, R; Dragoni, S; Gee, J; Sgaragli, G; Valoti, M, 2006
)
0.33
"Contribution of intestinal bacterial degradation of quercetin aglycone to the promotive effects of fructooligosaccharides and di-D-fructose anhydride III (DFAIII) on quercetin-3-O-beta-glucoside (Q3G) bioavailability was examined."( Nondigestible saccharides suppress the bacterial degradation of quercetin aglycone in the large intestine and enhance the bioavailability of quercetin glucoside in rats.
Hagio, M; Hara, H; Inoue, R; Matsukawa, N; Matsumoto, M; Shinoki, A, 2009
)
0.35
"Although the flavonol quercetin is used as a supplement in commercial dog food, data on quercetin bioavailability in dogs are not available."( Oral bioavailability of quercetin from different quercetin glycosides in dogs.
Abraham, G; Cermak, R; Reinboth, M; Ungemach, FR; Wolffram, S, 2010
)
0.36
" We examined the effect of alpha-oligoglucosylation of the sugar moiety of quercetin monoglucoside on its bioavailability in humans."( alpha-Oligoglucosylation of a sugar moiety enhances the bioavailability of quercetin glucosides in humans.
Fujikura, Y; Kashino, Y; Kato, Y; Koda, T; Matsuda, N; Murota, K; Nakamura, T; Okuyama, S; Sekido, K; Shimizu, R; Tanaka, H; Terao, J, 2010
)
0.36
"The flavonol quercetin in plants and foods occurs predominantly in the form of glycoside whose sugar moiety affects the bioavailability and the mechanism of its biological activities."( Transformation of rutin to antiproliferative quercetin-3-glucoside by Aspergillus niger.
Ahn, HJ; Ji, GE; You, HJ, 2010
)
0.36
" The absorption rate of flavonoid glycoside was lower than that of aglycone; the flavonoids from Abelmoschus manihot flowers could be absorbed in all of the intestinal segments."( [Absorption of flavonoids from Abelmoschus manihot extract by in situ intestinal perfusion].
Duan, JA; Guo, JM; Qian, DW; Shu, Y; Xue, CF, 2011
)
0.37
"Our results suggest that the mechanisms through ISQ and extracts of Tropaeolum majus increase diuresis in SHR rats are mainly related to ACE inhibition, increased bioavailability of bradykinin, PGI2, and nitric oxide, besides an inhibitory effect on Na(+)/K(+)-ATPase."( Mechanisms underlying the diuretic effects of Tropaeolum majus L. extracts and its main component isoquercitrin.
Da Silva-Santos, JE; Gasparotto Junior, A; Gasparotto, FM; Kassuya, CA; Leme, Tdos S; Lourenço, EL; Marques, MC; Prando, TB; Rattmann, YD, 2012
)
0.38
" However, the low water solubility of quercetin limits its bioavailability to exhibit activity in vivo."( Anti-allergic effects of enzymatically modified isoquercitrin (α-oligoglucosyl quercetin 3-O-glucoside), quercetin 3-O-glucoside, α-oligoglucosyl rutin, and quercetin, when administered orally to mice.
Kanemaru, M; Makino, T; Mizukami, H; Okuyama, S; Shimizu, R; Tanaka, H, 2013
)
0.39
" Quercetin glucosides, which are enzymatically trans-glycosylated isoquercitrin, have high water-solubility and bioavailability compared with quercetin."( Quercetin glucosides promote ischemia-induced angiogenesis, but do not promote tumor growth.
Ohki, T; Sata, M; Shibata, H; Sumi, M; Tateishi, N, 2013
)
0.39
" Isoquercitrin has higher bioavailability than quercetin and displays a number of chemoprotective effects both in vitro and in vivo, against oxidative stress, cancer, cardiovascular disorders, diabetes and allergic reactions."( Isoquercitrin: pharmacology, toxicology, and metabolism.
Bancířová, M; Křen, V; Ulrichová, J; Valentová, K; Vrba, J, 2014
)
0.4
"Despite their strong role in human health, poor bioavailability of flavonoids limits their biological effects in vivo."( Antiproliferative activity of long chain acylated esters of quercetin-3-O-glucoside in hepatocellular carcinoma HepG2 cells.
Rupasinghe, HV; Sudan, S, 2015
)
0.42
" Certain flavonoids, in particular quercetin, have been shown to ameliorate endothelial dysfunction and reduce blood pressure (BP), possibly by increasing the bioavailability of the potent vasodilator nitric oxide (NO)."( Acute effects of quercetin-3-O-glucoside on endothelial function and blood pressure: a randomized dose-response study.
Bondonno, CP; Bondonno, NP; Croft, KD; Hodgson, JM; Mas, E; Rich, L; Shinde, S; Ward, NC, 2016
)
0.43
" Quercetin-3-glucoside, a naturally occurring polyphenol that has high bioavailability and low toxicity, is a promising candidate agent to prevent birth defects in diabetic pregnancies."( Modulation of nuclear factor-κB signaling and reduction of neural tube defects by quercetin-3-glucoside in embryos of diabetic mice.
Meng, F; Reece, EA; Tan, C; Zhao, Z, 2018
)
0.48
" Enzymatically modified IQ (EMIQ) is a mixture of transglycosylated IQs that have better solubility and bioavailability than do quercetin and IQ."( High-efficiency enzymatic production of α-isoquercitrin glucosides by amylosucrase from Deinococcus geothermalis.
Choi, JM; Jung, YS; Kim, DO; Kim, ER; Ko, MJ; Park, CS; Rha, CS; Seo, DH, 2019
)
0.51
"Quercetin possesses various health beneficial functions, but its poor bioavailability limits these functions."( Enzymatically modified isoquercitrin promotes energy metabolism through activating AMPKα in male C57BL/6 mice.
Ashida, H; Croft, KD; Horiuchi, Y; Jiang, H; Yamashita, Y; Yoshioka, Y; Yuan, S, 2019
)
0.51
" Enzymatically modified isoquercitrin (EMIQ®) has a bioavailability 17-fold higher than quercetin aglycone and has shown potential CVD moderating effects in animal studies."( Enzymatically modified isoquercitrin improves endothelial function in volunteers at risk of cardiovascular disease.
Bondonno, CP; Bondonno, NP; Croft, KD; Hodgson, JM; Ward, NC; Woodman, RJ, 2020
)
0.56
"This study examined the effects of a combination of soybean fiber and α-glycosyl-isoquercitrin (AGIQ) on improving quercetin bioavailability and glucose metabolism in rats fed an obesogenic diet."( Combination of α-Glycosyl-Isoquercitrin and Soybean Fiber Promotes Quercetin Bioavailability and Glucagon-like Peptide-1 Secretion and Improves Glucose Homeostasis in Rats Fed a High-Fat High-Sucrose Diet.
Hara, H; Hira, T; Trakooncharoenvit, A, 2021
)
0.62

Dosage Studied

ExcerptRelevanceReference
" Inhibition of genotoxicity by spinach and peaches was not caused by any delay in maturation of micronucleated erythrocytes as shown by experiments with sampling times of 24, 48, and 72 h after dosing of BaP."( Inhibition of clastogenicity of benzo[a]pyrene and of its trans-7,8-dihydrodiol in mice in vivo by fruits, vegetables, and flavonoids.
Edenharder, R; Köttgen, V; Krieg, H; Platt, KL, 2003
)
0.32
" Body weight gain was reduced from week 10 to the end of the experiment in the 5% dosed males as compared to the 0% controls."( Evaluation of the toxicity of enzymatically decomposed rutin with 13-weeks dietary administration to Wistar rats.
Hasumura, M; Hirose, M; Imai, T; Mitsumori, K; Tamura, T; Yasuhara, K, 2004
)
0.32
" Oral treatments of quercetin and αOR at this dosage exhibited no anti-allergic effect, and IQC showed less effect than EMIQ."( Anti-allergic effects of enzymatically modified isoquercitrin (α-oligoglucosyl quercetin 3-O-glucoside), quercetin 3-O-glucoside, α-oligoglucosyl rutin, and quercetin, when administered orally to mice.
Kanemaru, M; Makino, T; Mizukami, H; Okuyama, S; Shimizu, R; Tanaka, H, 2013
)
0.39
" dosage highly unlikely to have an effect on nocturia or any other pharmacologically significant effect in humans."( Investigations on the constituents of SagaPro tablets, a food supplement manufactured from
Eyjolfsson, R; Kowal, NM; Olafsdottir, ES, 2017
)
0.46
"We conducted a multicenter phase II trial of sequential dosing cohorts to evaluate the efficacy of targeting PDI with isoquercetin to reduce hypercoagulability in cancer patients at high risk for thrombosis."( Targeting protein disulfide isomerase with the flavonoid isoquercetin to improve hypercoagulability in advanced cancer.
Aggarwal, A; Bauer, KA; Caughey, T; Flaumenhaft, R; Furie, B; Hidalgo, M; Kuemmerle, N; Liebman, HA; McLaughlin, M; Neuberg, D; Puligandla, M; Schlechter, BL; Stopa, JD; Wong, E; Wun, T; Zwicker, JI, 2019
)
0.51
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Occurs in Manufacturing (1 Product(s))

Product Categories

Product CategoryProducts
Vitamins & Supplements1

Products

ProductBrandCategoryCompounds Matched from IngredientsDate Retrieved
Cymbiotika Allergy Defense Alpha-Glycosyl Isoquercitrin -- 60 CapsulesCymbiotikaVitamins & SupplementsIsoquercitrin, Bioperine, Quercetin2024-11-29 10:47:42

Research

Studies (397)

TimeframeStudies, This Drug (%)All Drugs %
pre-199015 (3.78)18.7374
1990's9 (2.27)18.2507
2000's82 (20.65)29.6817
2010's222 (55.92)24.3611
2020's69 (17.38)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials14 (3.47%)5.53%
Reviews2 (0.50%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other388 (96.04%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]