What is the delivery time for orders?

The average lead time is 2-3 working days, and within 15 workdays during peak seasons.

Are free samples available?

Yes, 10-20g free samples are provided for customers to test the product quality.

What payment terms 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 Antioxidant

Name: Comext 100% Pure Natural Vitis Vinifera 95% Proanthocyanidins Grape Seed Extract for Antioxidant
Brand: Changsha Comext Biotech Co., Ltd.
SKU: 1994674602

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.

Comext-GRAP

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 Proanthocyanidins: Contains 95% or more proanthocyanidins verified by HPLC assay method.

Natural Vitis Vinifera Source: Extracted from wild grape seeds native to Mediterranean and Central Europe.

ISO Certified Quality: Manufactured under ISO certification standards for food and health care.

Versatile Application Forms: Available as powder, tablet, or capsule for food, health care, and medicine.

Strict Safety Standards: Meets USP/EP pesticide limits with PAHs under 50ppb and heavy metals controlled.

Fast Delivery Time: Standard delivery within 2-3 working days for most orders.

Free Sample Availability: Provides 10-20g free samples for quality verification before bulk purchase.

Long Shelf Life: Maintains 2-year shelf life 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: ≤2.98h

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.