Description

Grape Seed Extract is a concentrated, polyphenol-rich botanical ingredient derived from the seeds of Vitis vinifera. Its primary commercial value lies in its high content of proanthocyanidins, powerful antioxidants sought after for their health-promoting and stabilizing properties. This extract is essential for manufacturers in the nutraceutical, cosmetic, and functional food industries seeking natural, bioactive compounds.

Application

• Dietary Supplements & Nutraceuticals: Formulated into capsules, tablets, and powders for cardiovascular support, antioxidant protection, and promoting healthy circulation.
• Cosmetics & Skincare Products: Incorporated into anti-aging creams, serums, and lotions for its antioxidant activity, which helps protect skin from environmental stressors and supports collagen integrity.
• Functional Foods & Beverages: Used as a natural preservative and functional ingredient in health drinks, snack bars, and fortified foods to enhance shelf-life and nutritional profile.
• Pharmaceutical Intermediates: Serves as a starting material or active component in the research and development of herbal medicinal products.
• Animal Nutrition: Added to feed supplements for pets and livestock to provide antioxidant benefits and support overall wellness.

Basic Information

Product Name	Grape Seed Extract
CAS No.	84929-27-1
Molecular Formula	Complex mixture; primarily oligomeric proanthocyanidins (OPCs)
Molecular Weight	Varies (Mixture)
Synonyms	Grape Seed OPCs; Grape Seed Proanthocyanidins; Vitis Vinifera Seed Extract; Leucoanthocyanidins from Grape Seeds; Oligomeric Procyanidins; Procyanidolic Oligomers (PCO); Enocianina; EINECS 284-511-0

Quality Control

Our Grape Seed Extract is produced under strict quality management systems. Each batch is tested to ensure it meets stringent specifications for identity, purity, and potency, with a focus on key markers like proanthocyanidin content. Certificates of Analysis (COA) documenting compliance with relevant standards are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is light-sensitive and easily oxidized; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain potency and stability.

Specification

Item	Specification
Appearance	Fine reddish-brown powder
Identification (HPLC/UV)	Complies
Assay (as Proanthocyanidins)	Min. 95% (or as per customer grade)
Loss on Drying	≤ 5.0%
Ash	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 1000 cfu/g
Yeast & Mold	≤ 100 cfu/g
E. Coli	Negative
Salmonella	Negative

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.