异槲皮苷

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| verifiedrevid = 444328279
| Name = Isoquercetin
| ImageFile = Isoquercitin.svg
| ImageSize = 250px
| ImageName = Isoquercitrin structure
| IUPACName = 3-(β-D-Glucopyranosyloxy)-3′,4′,5,7-tetrahydroxyflavone
| SystematicName = 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one
| OtherNames= Isoquercitroside
Isoquercitin
Isoquercetin
Trifoliin
Isotrifolin
Trifoliin A
Isohyperoside
Isotrifoliin
Quercetin-3-glucoside
Quercetin-3-O-glucoside
Quercetin 3-O-β-D-glucopyranoside
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'（或isoquercitrin、isotrifoliin，也称为异金丝桃苷、槲皮素-3-O-葡萄糖苷*，Quercetin-3-O-glucoside）是一种天然的黄酮苷，分子式C21H20O12，是槲皮素的3-O-葡萄糖苷，存在于芒果树（Mangifera indica）、塔黄（Rheum nobile）、番荔枝（Annona squamosa）、茶树（Camellia sinensis*）等多种植物中。

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