Onion Extract, CAS No.: 20229-56-5, Spiraeoside 30%,

KINGHERBS'onionExtract aims at total polyphenol and main flavonoid antioxidantsin 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
CASNumber: 20229-56-5
Molecular Formula& weight: C21H20O12;464.382
Accurate Mass: 464.09548
Percentage Composition: C 54.32%; H 4.34%; O 41.34%
Physical Description: Yellow needles (MeOH aq.)
Melting Point: Mp 240-241 (209-210)
KINGHERBS choose the right species of onion, and after an intended storage in a special condition, we extract it with only grain ethanol. Thus assure the bestquality.We suggest onion paste extract instead of dry powder extract.KINGHERBS choose the right species of onion, and after an intended storage in a special condition to increase its active ingredients, we extract it with only grain ethanol. Thus assure us the best quality, with
Highest spiraeoside and flavonoids. The onion extract is hard to be dried into solid, KINGHERBS offer mainly onion paste extract instead of dry powder extract.
onions are good for Psoriasis treatment, it is a good substitute for steroids. The anti-oxidant, anti-inflammatory and healing characteristics of the onion help recuperate the natural texture of damaged skin, and, unlike steroid creams, can be applied anywhere on the body and used by patients of all ages. It also proves effective in treating acne.
onion extract can be used in feed as source of polyphenol & flavonoids in large quantity.