| ≥1 piece |
2015 new Red Grape Skin Extract Resveratrol / Resveratrol powder/grape skin pigments
Product Name: red grape skin extract/grape skin extract resveratrol 5%
Active ingredient: Resveratrol, polyphenols
Plant Resource: Vitis vinifera
Specification: Resveratrol HPLC 5%, 20%polyphenols
Appearance: Dark purple powder
Plant Part Used: Peel/skin
Extract Solution: Grain alcohol
Molecular formula :C14H12O3
Molecular weight::228.25
Solubility:Soluble in water, alcohol and ether, chloroform, insoluble in petroleum ether.
Usage: Pharmaceuticals, healthcares,and cosmetics
Grape Skin contains high concentrations of the substance, trans-resveratrol, and health industry researchers have found that this substance may be the key to its source as an antioxidant that may help in the prevention of serious infection. According to Northwestern University, the significant amounts of resveratrol naturally present in Grape Skin has demonstrated potentially beneficial properties, including antioxidant, anticoagulant, anti-inflammatory and anticarcinogen effects.
Red grape peel pigment, a purely natural and water-, alcohol-, and ethylic acid-soluble color, is extracted from grape peel. The main manufacturing processes are checking, washing, smashing, haematochrome extraction, abruption, purifying, concentrating, sterilizing, spraying and drying. The main ingredients are anthocyanin and flavone. Its color depends on the change in PH value. This kind of pigment powder is widely used in food, acidic beverages, wine, jam, and jelly.
| Items |
Specification |
| Appearance | Brown red to Purple red powder(Relate to Purity) |
| Oder | Characteristic |
| Taste | Characteristic |
| Paiticle size | Pass 80 mesh |
| Loss on drying | ≤5% |
| Heavy metals | <10ppm |
| As | <1ppm |
| Pb | <3ppm |
| Assay | Result |
| Resveratrol | ≥5% |
| Total Plate Count | <10000cfu/g or <1000cfu/g(Irradiation) |
| Yeast & Mold | <300cfu/g or 100cfu/g(Irradiation) |
| E.Coli | Negative |
| Salmonella | Negative |
1.Grape skin extract used to reduce cancer risk;
2.Grape skin extract has the useage of antioxidant activity;
3.Grape skin extract has anti-inflammatory, removal of swollen;
4.Grape skin extract can reduce the incidence of spots and cataracts;
5.Grape skin extract will reduced exercise-induced vascular sclerosis porridge;
6.Grape skin extract will strengthen the blood vessels the flexibility of the wall.