Onion extract,Allium cepa extract
Inquiry
| Post Date: | Jun 20,2013 |
| Expiry Date: | Jun 20,2014 |
| Detailed Description: |
Cas No. :20229-56-5
Quantity: 20Metric Tons Specs:10%-30% Spiraeoside Price:Negotiation USD Metric Tons Onion Extract KINGHERBS' Onion Extract aims at total polyphenol and main flavonoid antioxidants in the onion bulb. The main ingredients are as follows, 1. Spiraeoside (quercetin-4′-O-β-D-glucoside), 2. Rutin 3. Quercetin Spiraeoside: Synonym(s): Quercetin 4'-glucoside. Spiraein. Spiraeoside. Spireoside Chapman Hall Number: KWD91-S Molecular Formula & weight: C21H20O12 ; 464.382 Accurate Mass: 464.09548 Percentage Composition: C 54.32%; H 4.34%; O 41.34% Physical Description: Yellow needles (MeOH aq.) Melting Point: Mp 240-241 (209-210) KINGHERBS choose the right species of onion, and after an intended storage in a special condition, we extract it with only grain ethanol. Thus assure the best quality. We suggest onion paste extract instead of dry powder extract. |
| CAS Registry Number: | 20229-56-5 |
| Synonyms: | Spiraeoside;2-(4-(beta-D-Glucopyranosyloxy)-3-hydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one;Quercetin 4'-O-glucoside;Spiraein;Spiraein (Acacia);Spiraeosid;4H-1-Benzopyran-4-one, 2-(4-(beta-D-glucopyranosyloxy)-3-hydroxyphenyl)-3,5,7-trihydroxy-;2-hydroxy-4-(3,5,7-trihydroxy-4-oxo-4H-chromen-2-yl)phenyl beta-D-glucopyranoside; |
| Molecular Formula: | C21H20O12 |
| Molecular Weight: | 464.3763 |
| Molecular Structure: | ![20229-56-5 2-[4-(β-D-glucopyranosyloxy)-3-hydroxyphenyl]-3,5,7-trihydroxy-4H-1-benzopyran-4-one](https://images.chemnet.com/suppliers/chembase/cas3/cas20229-56-5.gif)
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| Company: | KINGHERBS LIMITED [ China ] |
| Contact: | Grace Lee |
| Tel: | +86-731-82055092 |
| Fax: | +86-731-89865682 |
| Email: | sales@kingherbs.com.cn |
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