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Standardized Plant Extracts

Chinese Yam Extract

A standardized botanical ingredient from Chinese yam (Dioscorea opposita) root, for dietary supplement, functional food and cosmetic formulations.

Chemical identity

Appearance
White to off-white fine powder
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Botanical Source

Botanical nameDioscorea opposita
Common nameChinese yam
Part usedroot

Technical Specifications

StandardizationDiosgenin (customizable) · HPLC

Full batch-specific COA available on request.

Quality Control Limits

Every batch is tested against the following control limits for safety and purity. Values are typical supplement-grade specifications; exact batch results are stated on the Certificate of Analysis (COA).

IdentificationConforms (HPLC / UV)
Heavy metals (Pb, As, Hg, Cd)≤ 10 ppm
Total plate count≤ 1,000 cfu/g
Yeast & mould≤ 100 cfu/g
E. coliAbsent
SalmonellaAbsent
Residual solventsComplies with ICH Q3C

Tighter limits and additional parameters (pesticide residues, specific solvents, particle size) available to your specification on request.

Commercial Terms

MOQ
1 kg
Lead time
7-15 business days
Shelf life
24 months unopened
Sample
On request
Packaging
1 kg aluminum foil bag · 25 kg fiber drum
Storage
Sealed, cool, dry, light-protected

Applications & Formulation Notes

Overview

Chinese Yam Extract is a standardized botanical ingredient obtained from the root of Dioscorea opposita. It is typically standardized to its diosgenin content. The material is supplied for formulation use in the dietary supplement, functional food and cosmetic sectors.

Applications

  • Dietary supplements — standardized botanical ingredient for capsule, tablet and powder formats.
  • Functional foods / beverages — standardized botanical ingredient.

Why GreeneryBio

Standardized specifications, consistent quality and full documentation (COA / TDS / MSDS on request), with customizable specs and packaging.

Documents available

Documents are issued batch-specifically for ingredient evaluation and qualification. Request the set you need for your formulation.

Request batch-specific documents
ISO 9001ISO 22000

OEM & One-stop Service

Custom formulation, dosage-form development (capsule / tablet / softgel / gummy / sachet), private-label and contract manufacturing.

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For B2B formulation and manufacturing use only. Information is provided for ingredient evaluation and does not constitute consumer health or disease claims.