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Quercetin 3 4 diglucoside

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Quercetin-3,4′-diglucoside is a chemical compound used in laboratory research. It is a flavonol glycoside found in various plants. This compound is often used as a reference standard or a research tool in analytical and biochemical studies.

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Lab products found in correlation

Quercetin 3 glucoside, by Merck Group (3 mentions) Gallic acid, by Merck Group (3 mentions) Quercetin, by Merck Group (3 mentions) Isorhamnetin 3 glucoside, by Merck Group (2 mentions) Methanol, by Avantor (1 mentions) Acetonitrile, by Avantor (1 mentions) Ng methyl l arginine acetate salt, by Merck Group (1 mentions) Wy14643, by Merck Group (1 mentions) Kaempferol 3 glucoside, by Merck Group (1 mentions) Alcl3, by Merck Group (1 mentions) N hexane, by Daejung Chemicals (1 mentions) Ethanol, by Daejung Chemicals (1 mentions) Chloroform, by Daejung Chemicals (1 mentions) Ethyl acetate, by Daejung Chemicals (1 mentions) Formic acid, by Daejung Chemicals (1 mentions) N butanol, by Daejung Chemicals (1 mentions) Quercetin 4 glucoside, by Merck Group (1 mentions) Metaphosphoric acid, by Merck Group (1 mentions) Dextrose, by Merck Group (1 mentions) 2 4 dinitrophenylhydrazine, by Merck Group (1 mentions)

4 protocols using quercetin 3 4 diglucoside

1

Phytochemical Analysis of Natural Antioxidants

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Sigma-Aldrich (St. Louis, MO, USA) provided 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2′,7′-dichlorofluorescein diacetate (DCF-DA), lipopolysaccharide (LPS), Folin–Ciocalteu (F–C) reagent, gallic acid, AlCl3, Griess reagent, NG-Methyl-L-arginine acetate salt (L-NMMA), WY14643, CaCl2, and HPLC grade standards of quercetin, kaempferol, isorhamnetin, kaempferol 3-glucoside, isorhamnetin 3-glucoside, quercetin 3-glucoside, and quercetin 3,4′-diglucoside. Solvents for extraction and fractionation (ethanol, n-hexane, chloroform, ethyl acetate, and n-butanol) and formic acid were purchased from Daejung Chemicals & Metals (Siheung, Republic of Korea). Solvents for LC/MS (methanol, acetonitrile) were purchased from Honeywell Burdick & Jackson (Muskegon, MI, USA).
Park J., Choi W., Kim J., Kim H.W., Lee J.Y., Lee J, & Kim B. (2024). Quantitative Analysis and Molecular Docking Simulation of Flavonols from Eruca sativa Mill. and Their Effect on Skin Barrier Function. Current Issues in Molecular Biology, 46(1), 398-408.
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2

Quantitative Analysis of Quercetin Glycosides

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Standard compounds such as quercetin, quercetin-3,4′-diglucoside and quercetin-4′-glucoside were purchased from Sigma–Aldrich, Korea. The flavonoid standards were dissolved in 80% MeOH at several concentrations and a high linearity was obtained from each curve. quercetin, quercetin-3,4′-diglucoside and quercetin-4′-glucoside were identified based on their retention times and their concentrations were calculated by comparing the peak areas of samples with standards and correlated with obtained results.
Ko E.Y., Nile S.H., Sharma K., Li G.H, & Park S.W. (2014). Effect of different exposed lights on quercetin and quercetin glucoside content in onion (Allium cepa L.). Saudi Journal of Biological Sciences, 22(4), 398-403.
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3

Antioxidant Profile of Red Onion Cultivars

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Honeysuckle red onions from J & D Produce, Inc., Texas and Artisan sweet Italian red onions from Tanimura & Antle, California were used for the entire study (Figure 1). Sodium pyruvate, 2, 4-dinitrophenylhydrazine (DNPH), glucose, sucrose, fructose, quercetin 3-glucoside, quercetin-3,4′-diglucoside, quercetin, delphinidin 3-glucoside, L-ascorbic acid, gallic acid, dextrose, sodium carbonate, 2,2-diphenyl-1-picryhydrazyl, 2,2′-azino-bis-(3-ethylbenzothiazoline-6-sulphonic acid), Folin-Ciocalteu reagent, HPLC grade methanol, acetonitrile, formic acid, and metaphosphoric acid were purchased from Sigma Aldrich (St. Louis, MO, USA). Sodium hydroxide (NaOH) was obtained from Fisher Scientific (Pittsburg, PA, USA).
Metrani R., Singh J., Acharya P., K. Jayaprakasha G, & S. Patil B. (2020). Comparative Metabolomics Profiling of Polyphenols, Nutrients and Antioxidant Activities of Two Red Onion (Allium cepa L.) Cultivars. Plants, 9(9), 1077.
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4

Analytical Reagents for Polyphenol Analysis

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Methanol (HPLC-grade) was supplied by Lab-Scan (Dublin, Ireland). Folin-Ciocalteu´s phenol reagent, ferulic acid, gallic acid, quercetin, quercetin-3-glucoside, quercetin-3,4′-diglucoside and isorhamnetin-3-glucoside were purchased from Sigma-Aldrich (St Louis, MO, USA).
Herranz B., Fernández-Jalao I., Dolores Álvarez M., Quiles A., Sánchez-Moreno C., Hernando Collazos I, & de Ancos B. (2019). Phenolic compounds, microstructure and viscosity of onion and apple products subjected to in vitro gastrointestinal digestion. Innovative Food Science and Emerging Technologies., 51.
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