What is the lead time for orders?

Lead time is one month during peak season and 1-3 months during off-season.

How is the product packed and stored?

It is packed in paper drums with double food-grade PE bags inside (25Kg/Drum) and stored at room temperature.

What payment terms are accepted?

We accept LC, T/T, and PayPal as payment terms.

Comext Supply Good Quality Sophora Japonica Extract Quercetin

Name: Comext Supply Good Quality Sophora Japonica Extract Quercetin
Brand: Changsha Comext Biotech Co., Ltd.
SKU: 2074058485

Hunan, ChinaChangsha Comext Biotech Co., Ltd.

US$20.00-80.00

1 kg

Sample price:US$80.00/kg.Request sample

Product profile

Customization

Available

Certification

ISO, FDA, HACCP, Organic, Fssc22000, Halal, Kosher

Assay Method

HPLC-MS, HPLC, UV, Tlc, Hptlc

Model NO.

SOPHORA-1

Application Form

Tablet, Capsule, Extract Powder

Application

Food, Health Care Products, Medicine

State

Powder

Extract Source

Flower

Botanical Name

Sophora Japonica L.

Appearance

Light Yellow Sophora Japonica Extract Powder

Part Used

Flower-Bub

Particle Size

Nlt 95% Pass 80 Mesh

Storage

Room Temperature

Shelf Life

2 Years

Factory

Yes

Sample

20g Free Sample

Grade

Food Grade

OEM Service

Available

Stock

in Stock

Transport Package

Drum

Specification

Quercetin 95%, Rutin 98%

Trademark

Comext

Origin

China

HS Code

130219

Production Capacity

500mt/Year

Key features

Comprehensive Certifications: ISO, FDA, HACCP, Organic, Fssc22000, Halal, Kosher certified for global compliance.

High Purity Quercetin Content: Contains 98% Quercetin with precise HPLC-MS and HPLC assay methods.

Versatile Application Forms: Available as Tablet, Capsule, or Extract Powder for diverse formulations.

Multi-Component Formula: Rich in Rutin, L-rhamnose Monohydrate, Genistein, Genistin, and Kaempferol.

Therapeutic Benefits: Supports anti-inflammatory functions, chronic bronchitis relief, and lipid lowering.

Strict Safety Standards: Heavy metals and pesticides meet USP/EP standards with negative E.Coli and Salmonella.

OEM Service Available: Customization services offered for packaging and product specifications.

Free Sample Offer: 20g free sample available for quality verification prior to bulk order.

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: ≤3.11h

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.