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Quercetrin

Manufactured by Merck Group
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Quercetrin is a laboratory equipment product manufactured by Merck Group. It is a compound used in various scientific applications, such as biochemical research and analytical procedures. The core function of Quercetrin is to serve as a reference standard and analytical tool for the identification and quantification of the flavonoid compound quercetin in various samples.

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Lab products found in correlation

Quercetin, by Merck Group (3 mentions) Gallic acid, by Merck Group (2 mentions) Rutin, by Merck Group (2 mentions) Ellagic acid, by Merck Group (2 mentions) Isoquercetrin, by Merck Group (2 mentions) Phloridzin, by Merck Group (1 mentions) Chlorogenic acid, by Merck Group (1 mentions) Ferulic, by Merck Group (1 mentions) Luteolin, by Merck Group (1 mentions) Gallic, by Merck Group (1 mentions) 1 1 diphenyl 2 picrylhydrazyl, by Merck Group (1 mentions) P coumaric, by Merck Group (1 mentions) Xylose, by Merck Group (1 mentions) Mannose, by Merck Group (1 mentions) Glucuronic acid, by Merck Group (1 mentions) Arabinose, by Merck Group (1 mentions) Sucrose, by Merck Group (1 mentions) Viscozyme l, by Novozymes (1 mentions) Hplc ms, by Agilent Technologies (1 mentions) Apigenin, by Merck Group (1 mentions)

5 protocols using quercetrin

1

Phytochemical Profiling of Indian Medicinal Plants

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Bark of C. arborea, young leaves of P. guajava and fruit peel of P. granatum were collected in the Belagavi district of Karnataka, India. The collected plants and their parts were identified and authenticated by a certified plant taxonomist at ICMR-NITM, Belagavi. The voucher specimens were deposited in ICMR-NITM under accession numbers 1590 (C. arborea), 1690 (P. granatum), 1589 (P. guajava). Extraction of these powdered plant parts was carried out using 70% ethanol (v/v) in water by cold maceration technique (Ćujić et al., 2016 (link)). Six herbal compounds, including three phenolic acids, Ellagic acid (EA), Chlorogenic acid (CHL), Gallic acid (GA), and three flavonoids; Rutin (RTN), Phloridzin (PHD), and Quercetrin (QTRN), selected using in silico studies were procured from Sigma Aldrich. Quantification of these six compounds in hydro-alcoholic extract was performed using High-Performance Thin-Layer Chromatography (HPTLC).
Charla R., Patil P.P., Patil V.S., Bhandare V.V., Karoshi V., Balaganur V., Joshi R.K., Harish D.R, & Roy S. (2023). Anti-Cholera toxin activity of selected polyphenols from Careya arborea, Punica granatum, and Psidium guajava. Frontiers in Cellular and Infection Microbiology, 13, 1106293.
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2

Comprehensive Phytochemical Analysis Protocol

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Acetone (99.78%), methanol (99.90%), sodium carbonate (NaCO3 99.5%), sodium nitrate (NaNO3 99.0%), aluminum chloride (AlCl3 97.0%), sodium hydroxide (NaOH 97.0%), potassium ferricyanide (K3(Fe(CN)6) 99.0%), iron trichloride (FeCl3 98.0%), iron II chloride (FeCl2 98.0%) and trichloroacetic acid (TCA 98.0%) were from Biochem Chemopharma (Georgia, USA). Folin–Ciocalteu reagent was from Biochem Chemopharma (Montreal, Quebec) and 1,1-Diphenyl-2-picrylhydrazyl (DPPH 95%) was from Sigma-Aldrich (Sternheim, Germany). Gallic (99.5%), p-coumaric (98%), ferulic (99%) and caffeic acids (98%), rutin (94%), luteolin (98%), isoquercetrin (97%), quercetrin (95%) and quercetin (98%) were from Sigma-Aldrich Co (Saint-Louis, MO, USA).
Tassoult M., Kati D.E., Fernández-Prior M.Á., Bermúdez-Oria A., Fernandez-Bolanos J, & Rodríguez-Gutiérrez G. (2021). Antioxidant Capacity and Phenolic and Sugar Profiles of Date Fruits Extracts from Six Different Algerian Cultivars as Influenced by Ripening Stages and Extraction Systems. Foods, 10(3), 503.
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3

Dexamethasone and Flavonoids Analysis

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Dexamethasone [(Fortecortine® 8 mg – Mono ampoule) manufactured by Sigma – Tec Pharmaeutical industries – Egypt – S. A. E. under Licence of: Merck, Darmstadt, Germany]. Standard flavonoids (Luteo.6-Arabinose8-Glucose, Luteo.6-Glucose8-Arabinose, Apig.6-Arabinose8-galactose, Apig.6-rhamnose8-Glucose, Apig.6-Glucose8-rhamnose, Naringin, Rutin, Hespirdin, Rosmarinic acid, Apig.7-o-neohespiroside, Apigenin-7-Glucose, Quercetrin, Quercitin, Naringenin, Hespirtin, Kampferol, Apigenin) and saccharides (Glucuronic acid, Sucrose, Xylose, Rhaminose, Mannose, Arabinose, Manitol, Stachylose, Inulin, Fructose, Glucose) were purchased from Sigma Aldrich. Kit No. ES180S-100 purchased from Calbiotech. U.S. for E2 determination, kit No. MBS702121 purchased from My Biosource. U. S. A. for PTH determination, a commercial assay kit provided from Spinreact, Spain for Ca, P determination. Kit purchased from BioSystems Company, Spain for determination activity of alkaline phosophatase. Kit purchased from BIO Diagnostic Company, Egypt for determination activity of ACP and oxidative stress markers.
Hozayen W.G., El-Desouky M.A., Soliman H.A., Ahmed R.R, & Khaliefa A.K. (2016). Antiosteoporotic effect of Petroselinum crispum, Ocimum basilicum and Cichorium intybus L. in glucocorticoid-induced osteoporosis in rats. BMC Complementary and Alternative Medicine, 16, 165.
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4

Extraction and Characterization of Bioactive Compounds from Schisandra chinensis

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Materials and reagent S. chinensis (Lour.) Baill pieces were dried and powdered. Viscozyme L was obtained from Novozymes Co. (from Aspergillus aculeatus, 100 fungal β-glucanase units/mL, Bagsvaerd, Denmark), the Silica gel (40 μm), Octadesylsilane (50 μm), rutin, isoquercetrin, quercetrin, and quercetin were obtained from Sigma Co. (St. Louis, MO, USA). The other reagents were obtained from Duksan Co. (Seoul, Korea). HPLC/UVD (SPD-10A, Shimadzu, Co., Kyoto, Japan), Moderate pressure liquid chromatography (MPLC, Yamazen 540, Japan), HPLC/MS (Agilent Technologies, Palo Alto, CA, USA), NMR (Varian Inc., Palo Alto, CA, USA) were used in this study.
Zheng H., Kwon S., & Chung S. (2020). Viscozyme L aided flavonoid extraction and identification of quercetin from Saururus chinensis (Lour.) Baill. Journal of Applied Biological Chemistry, 63(3), 197-201.
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5

Identification of Secondary Metabolites

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JAQUELINI LUBER et al.
The retention times and UV spectra of the peaks on the chromatogram were compared with those of authentic standards of different secondary metabolites classes [gallic acid, protocatechuic acid, ellagic acid, (+)-catechin, quercetrin, quercetin, myricetin and apigenin, all from Sigma Aldrich ® (St. Louis, MO, USA)] and also with literature data.
Luber J., Palmieri M.J., Botelho C.M., Rinaldo D, & Andrade-Vieira L.F. (2015). Investigation on the effects of guava (Psidium guajava L.) infusions on germination, root tips and meristematic cells of Latuca sativa. Anais da Academia Brasileira de Ciencias, 87(2).
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