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Kingherbs Limited (cara@kingherbs.com.cn)

TEL : 86-0731-89865682 / FAX : 86-0731-89865682 / Mobile :
901#.Building 3.Wanshudandi.Xiangzhang Road Hunan Changsha China [CN]
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China Allium Cepa Extract, Onion，Spiraeoside

Posting date : Jun 05, 2014

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Membership

Free Member Scince Aug 18, 2011

FOB Price

0.1USD

Min. Order Quantity

1000

Payment Terms

T/T, L/C

Package

25kg/drum

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Category

CHEMICAL | Pharmaceutical p

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Company Info

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Place of Origin

China [CN]

HS-CODE

30-

Package & Delivery Lead Time

Package

25kg/drum

Delivery Lead Time

Detailed Description

Allium Cepa Extract Synonyms: Bulb Onion Extract; Common Onion Extract; Garden Onion Extract Botany: Onion is a term used for many plants in the genus Allium. They are known by the common name "onion" but, used without qualifiers, it usually refers to Allium cepa. The onion (Allium cepa) is the most widely cultivated species of the genus Allium. The genus Allium also contains a number of other species variously referred to as onions and cultivated for food. The name "wild onion" is applied to a number of Allium species. Kingherbs use the red onion for extraction, which contains the highest spiraeoside. Active Ingredient: In onion, spiraeoside (quercetin-4′-O-β-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). Spiraeoside: Synonym(s): Quercetin 4'-glucoside; Spiraein. CAS: 20229-56-5. Molecular Formula: C21H20O12. Molecular Weight: 464.382. Useful Part: Bulb. Appearance: Yellowish brown powder. Test Method: UV. Specification: 10:1; 20:1; 30:1 and 30%. 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. Total polyphenol and main flavonoid antioxidants in different onion (Allium cepa L.) varieties. In onion, spiraeoside (quercetin-4′-O-β-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