Allium Cepa Extract/onion Extract

We are offering our customers a wide range of Allium Cepa Extract / Onion Extract, And availed at reasonable rates. which are available following Specifications :
Specification:10:1, 10%
Appearance:Brown Powder
Total polyphenol and main flavonoid antioxidants in different onion (Allium cepa L.) varieties.
In onion, spiraeoside (quercetin-4A A -O-A -D-glucoside), rutin and quercetin and 3 other not identified compounds were found as the major constituents. Significant cultivar differences were found. The most abundant compound was spiraeoside (32 234 mg/kg DM in red onion, 23 283 mg/kg DM in yellow onion and 265 mg/kg DM in white onion).
During storage, an increase in flavonoids could be observed, especially at a laboratory temperature compared to storage at a lower temperature.
Spiraeoside:
Synonym(s): Quercetin 4'-glucoside. Spiraein. Spiraeoside. Spireoside
Chapman Hall Number: KWD91-SCAS Registry Number: 20229-56-5
Type of Compound Code(s): VK5250
Molecular Formula: C21H20O12
Molecular Weight: 464.382
Accurate Mass: 464.09548
Percentage Composition: C 54.32%; H 4.34%; O 41.34%
Biological Source: Isol. from Spiraea ulmaria and other plant spp.
Physical Description: Yellow needles (MeOH aq.)
Melting Point: Mp 240-241 (209-210).
Function:
1. Anti-cancer effect
2. Lower blood pressure, prevent blood clots
3. Lowering blood sugar, blood fat
4. Antibacterial
5. Antioxidant properties related to health effects