Resveratrol is a non-flavonoid polyphenolic compound that is an antitoxin produced by many plants when stimulated. It can be synthesized in grape leaves and grape skins, and is a biologically active ingredient in wine and grape juice. It is easily absorbed orally and excreted in urine and feces after metabolism. There are also synthetic high quality of resveratrol.
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Product Description
Grape skin extract powder is purplish red, liquid is brown purple, both has the slight characteristic odor of grape. It can be dissolved in water & alcohol, propylene glycol solution easily, but not in oil. The color shade of water solution changes when PH is different. When PH is between 2-6, it is stable and the color is purplish red. The solution color becomes blue, and is unstable when PH is above 6. The color of solution can’t fade under light for a long time, and also has good resistance to high temperaturein an acidic medium.
Specification
Product name | Resveratrol | Chemical name | 5-(4-hydroxystyryl)benzene-1,3-diol |
Spec. | 5% | Appearance | Dark red powder |
Used part | Grape skin extract | Test method | HPLC |
CAS No. | 501-36-0 | Melting point | 223-226℃ (dec.) |
MF | C14H12O3 | MW | 228.24 |
Boiling point | 700.5℃ | Flash point | 377.5℃ |
Sample Disaply
ecificatiocifica
Functions
a.Grape skin extract used to reduce cancer risk;
f.Grape skin extract will strengthen the blood vessels the flexibility of the wall;
Applications
a.Grape seed extract can be made into capsules, troche and granule as healthy food;
c.Grape seed extract is widely added into all kinds of foods such as cake, cheese as the nurture, natural antiseptic in Europe and USA, and it has increased the safety of the food.
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FAQ
Q 1: Can I get some samples?
A: Yes, we can provide 10-20 g sample for your testing.
Q 2: What's your MOQ ?
A: Our MOQ is 1kg. (Packed in aluminum foil bag)
Q3: How about delivery leadtime?
A: Delivery lead time: About 3-5 working days after receiving payment.
Q4: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union
or Paypal or Escrow(Alibaba).
Q5: How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by
us, we will send you free goods for replacement or refund your loss.