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Allium Cepae Extract - China

price: contact company for price

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. 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 quercitin30%. 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.

We use the red onion for extraction, which contains the highest spiraeoside.

Allium Cepae Extract

Please see our contact information below


Company Contact:


  • Phone: 86073189865683

  • Address: 901#, Blding 3, WanShuDanDi, Changsha(cara@kingher, Changsha, China

  • Email: Email


Published date: September 7, 2012 -

  • Business Description: Kingherbs is specialized in high value botanical derivatives. Began from 1996, the company grows from an international trader to a group which operates two factories, offers botanical & herbal ingredients for dietary, food supplement, food additive, nutraceuticals, cosmetics, natural nutrient product, pharmaceuticals,agriculture and feed.

    As a leading manufacturer and trader, Kingherbs offers extended services as to help clients source materials from trusted manufacturers in all parts of China, examples are Chemicals, Minerals & Vitamins and their premix, Fruit and vegetable Powders & concentrated Juices. Kingherbs can offer further processing services as soft gel, capsule,granule and tablet, saving clients the trouble of sourcing for themselves, and assuring quality from our intimate knowledge of the Chinese manufacturers and markets, and by visiting the suppliers personally.

    Kingherbs is always up to date with current industry practices, and can produce and analyze ingredients according to any desired international standards: USP, EP, BP or CP. Kingherbs wants to be your favored supplier in China, by keeping our quality and services a step ahead.

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