How should the product be stored to maintain shelf life?

Store in a well-closed container away from moisture and direct sunlight. Shelf life is 2 years.

What payment methods are accepted?

We accept LC, T/T, PayPal, Western Union, and small-amount payments.

Comext 100% Pure Natural Vitis Vinifera 95% Proanthocyanidins Grape Seed Extract for Anti-Aging

Name: Comext 100% Pure Natural Vitis Vinifera 95% Proanthocyanidins Grape Seed Extract for Anti-Aging
Brand: Changsha Comext Biotech Co., Ltd.
SKU: 1999677552

Hunan, ChinaChangsha Comext Biotech Co., Ltd.

US$24.69

1-499 KG

US$21.85

500+ KG

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Certification

ISO

Assay Method

HPLC

Model NO.

GRAP01

Application Form

Tablet, Capsule

Application

Food, Health Care Products, Medicine

State

Powder

Extract Source

Vitis Vinifera Linn

Shelf Life

2 Years

Sample

10-20g Free Samples

CAS No.

84929-27-1

Delivery Time

2-3 Working Days

Botanical Name

Vitis Vinifera Linn

Used Part

Seed

Appearance

Red Brown Fine Powder

Solvent Residue

<5000ppm

Pesticide Residue

Meet USP/Ep

PAHs

<50ppb

Identification

Conform with Standard

Transport Package

1kg/Bag 25kg/Drum

Specification

95% Proanthocyanidins

Origin

China

HS Code

1302199099

Production Capacity

10mt/Months

Key features

High Purity Extract: 95% Proanthocyanidins content verified by HPLC assay method.

Natural Source: Derived from Vitis Vinifera seeds, native to Mediterranean and Europe.

Versatile Application: Suitable for tablets, capsules, and liquid forms in food and medicine.

Strict Quality Control: Meets USP/EP standards for pesticide residue and PAHs limits.

Fast Delivery: Delivery time within 2-3 working days for standard orders.

Free Samples: 10-20g free samples available for quality testing before purchase.

ISO Certified: Manufacturing process certified under ISO standards for safety.

Safe Storage: Shelf life of 2 years when stored in sealed containers away from moisture.

Company profile

Quality AssuranceOverseas WarehouseHigh Repeat Buyers ChoiceProduction Process Visualization

Changsha Comext Biotech Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai Port,Average Response Time: ≤2.19h

AI-Powered supplier vetting

SummaryComext presents capabilities across export trade, manufacturing, service, quality control, R&D, and sustainability. It reports multiple management-system certifications and states that quality assurance is present. Service-related procedures exist for supplier assessment, corrective and preventive actions, and customer complaints, but records are not available. The supplier reports in-stock and overseas-warehouse capabilities, OEM service for popular brands, ODM services, and customization from samples or designs. However, it has no valid manufacturing-capacity contract with its affiliated subcontractor, no new products in the past year, no R&D patents, no overseas showroom, and no available SDK. Financial credibility cannot be assessed because the provided financial entries contain only years and no usable financial information.

CertificationsThe supplier reports OHSAS/OHSMS 18001, ISO 9001, ISO 14001, and QC 080000 certifications under its supplier management systems. These explicitly indicate a broad set of reported management-system certifications.

R&D capabilityThe supplier provides ODM services and has documented R&D inputs, outputs, reviews, verification, and validation for audit, but reports no new products in the past year and zero R&D patents. The evidence shows an established R&D process but limited demonstrated recent innovation output.

Production capacityThe supplier reports quality assurance, in-stock capability, lead times within 15 working days in both peak and off-season, and OEM service for popular brands. However, it has no valid manufacturing-capacity contract with its factory or affiliated subcontractors, creating a documented production-governance deficiency.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as ODM services, and reports OEM service for popular brands. These statements directly support capability for customer-specific product development and manufacturing.