Specification :

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, such as the Japanese bunching onion, Egyptian onion, and Canada onion. The name " wild onion" is applied to a number of Allium species. Kingherbs use the red onion for extraction, which contains the highest spiraeoside.

Useful Part: Bulb.
Appearance: Yellowish brown powder.
Test Method: UV.
Specification: 10: 1; 20: 1; 30: 1 and quercitin30% .

Active Ingredient: In onion, spiraeoside ( quercetin-4' -O-beta-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.

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.

Packing Type: Vacuum plastic bags, 25kg/ drum