• Grape Seed Extract

Grape Seed Extract


【Appearance】: Red-brown powder.

【Product introduction】Grape seeds are rich in protein, crude fat, various amino acids, vitamins and minerals, etc. Grape seeds contain choline: 279mg/kg, hydrochloric acid: 20 mg/kg, pantothenic acid: 34 mg/kg, vitamins B1: 0.17 mg/kg, Vitamin B2: 2.5 mg/kg.

【Specification】Proanthocyanidins 95%.

【Detection method】UV

Appearance Fine powder Visual
Color Brown to red brown Visual
Odor Characteristic Sensory
Taste Characteristic Sensory
Identification Complies to the standard TLC
Proanthocyanidins ≥95.0% UV
Particle size NLT 95% through 80mesh USP38<786>
Bulk density 0.35~0.55g/ml USP38<616>
Tapped density 0.45~0.65g/ml USP38<616>
Loss on drying ≤ 5.0% USP38<731>
Total Ash ≤ 5.0% USP38<561>
Residual solvents Meets USP requirements USP38<476>
Pesticides Meets USP requirements USP38<561>
Aflatoxins Meets USP requirements USP38<561>
Heavy metal Profile
Heavy metal <10ppm AAS
Pb <1ppm AAS
As <1ppm AAS
Hg <0.1ppm AAS
Cd <1ppm AAS
Microbiological profile:
Total plate count <1000Cfu/g GB 4789.2
Yeasts and molds <100Cfu/g GB 4789.15
Coliforms Negative/g GB 4789.3
E.coli Negative/g GB 4789.38
Salmonella Negative/25g GB 4789.4
Staphylococcus aureus Negative/10g GB 4789.10

【Storage conditions】 This product should be sealed and shaded, and stored in a dry, cool and well-ventilated place