Onion Extract Allium Cepa Paste Extract Spiraeoside

ˎOnion Extract KINGHERBS' Onion Extract aims at total polyphenol and main flavonoid antioxidants in the onion bulb. The main ingredients are as follows, 1. Spiraeoside (quercetin-4′-O-β-D-glucoside), 2. Rutin 3. Quercetin Spiraeoside: Synonym(s): Quercetin 4'-glucoside. Spiraein. Spiraeoside. Spireoside Chapman Hall Number: KWD91-S CAS Number: 20229-56-5 Molecular Formula & weight: C21H20O12 ; 464.382 Accurate Mass: 464.09548 Percentage Composition: C 54.32%; H 4.34%; O 41.34