China Allium Cepa Extract
Synonyms: Bulb Onion Extract; Common Onion Extract; Garden Onion
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-??-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).
Synonym(s): Quercetin 4'-glucoside; Spiraein.
CAS #: 20229-56-5.
Molecular Formula: C21H20O12.
Molecular Weight: 464.382.
1. Anti-cancer effect;
2. Lower blood pressure, prevent blood clots;
3. Lowering blood sugar, blood fat;
5. Antioxidant properties related to health effects.
Packing Type: Vacuum plastic bags, 25kg/drum.