異槲皮苷

Isoquercetin
	IUPAC名; 3-(β-D-Glucopyranosyloxy)-3′,4′,5,7-tetrahydroxyflavone
	系統名; 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy4H-1-benzopyran-4-one
別名	Isoquercitroside; Isoquercitin; Isoquercetin; Trifoliin; Isotrifolin; Trifoliin A; Isohyperoside; Isotrifoliin; Quercetin-3-glucoside; Quercetin-3-O-glucoside; Quercetin 3-O-β-D-glucopyranoside
識別
CAS號	482-35-9
PubChem	5280804
ChemSpider	4444361
SMILES	C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O;
InChI	1/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1;
InChIKey	OVSQVDMCBVZWGM-QSOFNFLRBX
KEGG	C05623
性質
化學式	C21H20O12
摩爾質量	464.38 g·mol−1
	若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。

異槲皮苷（英語：Isoquercetin或isoquercitrin、isotrifoliin^[1]，也稱為異金絲桃苷、槲皮素-3-O-葡萄糖苷，Quercetin-3-O-glucoside）是一種天然的黃酮苷，分子式C₂₁H₂₀O₁₂，是槲皮素的3-O-葡萄糖苷，存在於芒果樹（Mangifera indica）^[2]、塔黃（Rheum nobile）、番荔枝（Annona squamosa）^[3]、茶樹（Camellia sinensis）^[4]等多種植物中。

參考文獻

^ Isoquercetin. PubChem. [2018-09-11]. （原始內容存檔於2024-05-20）.
^ Singh UP, Singh DP, Singh M, et al. Characterization of phenolic compounds in some Indian mango cultivars. International Journal of Food Sciences and Nutrition. 2004, 55 (2): 163–9. PMID 14985189. doi:10.1080/09637480410001666441.
^ Panda S, Kar A. Antidiabetic and antioxidative effects of Annona squamosa leaves are possibly mediated through quercetin-3-O-glucoside. BioFactors. 2007, 31 (3-4): 201–210. PMID 18997283. doi:10.1002/biof.5520310307.
^ Sakakibara, H; Honda, Y; Nakagawa, S; Ashida, H; Kanazawa, K. Simultaneous determination of all polyphenols in vegetables, fruits, and teas. Journal of Agricultural and Food Chemistry. 2003, 51 (3): 571–81. PMID 12537425. doi:10.1021/jf020926l.

[1] Isoquercetin. PubChem. [2018-09-11]. （原始內容存檔於2024-05-20）.

[2] Singh UP, Singh DP, Singh M, et al. Characterization of phenolic compounds in some Indian mango cultivars. International Journal of Food Sciences and Nutrition. 2004, 55 (2): 163–9. PMID 14985189. doi:10.1080/09637480410001666441.

[pmid18997283-3] Panda S, Kar A. Antidiabetic and antioxidative effects of Annona squamosa leaves are possibly mediated through quercetin-3-O-glucoside. BioFactors. 2007, 31 (3-4): 201–210. PMID 18997283. doi:10.1002/biof.5520310307.

[4] Sakakibara, H; Honda, Y; Nakagawa, S; Ashida, H; Kanazawa, K. Simultaneous determination of all polyphenols in vegetables, fruits, and teas. Journal of Agricultural and Food Chemistry. 2003, 51 (3): 571–81. PMID 12537425. doi:10.1021/jf020926l.

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