Product Description
Grape seed extract is a class of polyphenols extracted and isolated from grape seeds, mainly composed of polyphenols such as proanthocyanidins, catechins, epicatechins, gallic acid, and epicatechin gallate. Grape seed extract is a pure natural substance, and it is one of the most efficient antioxidants from plant sources found so far. Tests show that its antioxidant effect is 30 to 50 times that of vitamin C and vitamin E.
Product Description | Function | 1. Antioxidant: Contains powerful antioxidants, protecting cells from oxidative stress and promoting overall health. 2. Cardiovascular Health: Supports heart health by improving blood circulation and reducing blood pressure. 3. Anti-inflammatory: Reduces inflammation, benefiting conditions like arthritis and supporting joint health. 4. Skin Health: Improves skin elasticity and reduces signs of aging through enhanced collagen production. 5. Blood Sugar Regulation: Helps regulate blood sugar levels, aiding in diabetes management. 6. Venous Health: Strengthens veins and improves circulation, reducing symptoms of varicose veins and poor circulation. |
Certificate of Analysis
| CERTIFICATE OF ANALYSIS |
| Product and Batch Information |
| Product Name: | Grape seed extract | Country of Origin: | P. R. China |
| Botanic Name: | Vitis vinifera L. | Batch No.: | 2024062415 |
| Part Used: | Seed | Manufacture Date: | 2024-JUN-24 |
| Ananlysis: | 500kgs | Analysis Date: | 2024-JUN-24 |
| Analysis Item | Specification | Result | Test Method |
| OPC | NLT 95% | 95.48% | HPLC |
| Physical Control |
| Appearance | Reddish-brown fine powder | Complies | Visual |
| Odor | Characteristic | Complies | Organoleptic |
| Taste | Characteristic | Complies | Organoleptic |
| Sieve Analysis | 100% pass 80 mesh | Complies | 80 Mesh Screen |
| Loss on Drying | 5% Max | 2.18% | 5g/105oC/5hrs |
| Ash | 5% Max | 1.77% | 2g/525oC/5hrs |
| Chemical Control |
| Solvents Resides | <0.05% Max | Complies | |
| Arsenic (As) | NMT 1ppm | Complies | Atomic Absorption |
| Cadmium(Cd) | NMT 1ppm | Complies | Atomic Absorption |
| Lead (Pb) | NMT 3ppm | Complies | Atomic Absorption |
| Mercury(Hg) | NMT 0.1ppm | Complies | Atomic Absorption |
| Heavy Metals | 10ppm Max | Complies | Atomic Absorption |
| Pesticides Residues | NMT 1ppm | Complies | Gas Chromatography |
| Benzopyrene | 10ppb Max | Complies | Gas Chromatography |
| PAH | 50ppb Max | Complies | Gas Chromatography |
| Irradiation status | Non irradiation | Complies | |
| Microbiological Control |
| Total Plate Count | 100000cfu/g Max | Complies | CP2005 |
| Salmonella | Negative | Complies | CP2005 |
| Yeast & Mold | 10000cfu/g Max | Complies | CP2005 |
| E.Coli | Negative | Negative | CP2005 |
| Staphylococcus | Negative | Complies | CP2005 |
| Aflatoxins | NMT 0.2ppb | Negative | HPLC |
