Description
PEPTIDE INGREDIENT
Glycine max (L.) Merr. — Peptide content 80%
黑豆肽 is a hydrolysed peptide ingredient, sold on peptide content and molecular weight distribution rather than on a botanical marker.
COA-Backed Specification
| Identity | Glycine max (L.) Merr. |
|---|---|
| Plant part | Seed protein hydrolysate (black coat) |
| Form and colour | Off-white to light yellow powder |
| Assay | Peptide content 80% |
| Method | HPLC |
| Particle size | 98% through 80 mesh |
| Loss on drying | Within the limits of the approved specification |
| Ash | Within the limits of the approved specification |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Shelf life | Two years when stored properly |
Limits shown are the agreed specification. Result values are issued on the batch-specific certificate of analysis.
Buyer Decision Guide
Ask for the peptide content and the molecular weight distribution together. One without the other does not predict performance.
- Assay / grade: Peptide content 80%, tested by HPLC.
- Identity: Glycine max (L.) Merr., Seed protein hydrolysate (black coat).
- Appearance: off-white to light yellow powder.
- Freely water-soluble, which suits beverage and sachet formats.
- Packing and storage: sealed food-grade liner in an export carton or fibre drum; keep cool and dry.
- Documentation: COA, specification sheet and SDS issued with each batch.
How This Grade Differs
No grade of this product was listed on the site before this page, so it introduces the product directly. Confirm the grade in the written quotation before the first order.
Quality and Documentation
Released on a batch certificate covering assay or grade, identity, moisture, heavy metals and microbiology.
Frequently Asked Questions
How is appearance checked?
Off-white to light yellow powder, compared against a retained sample from the approved batch.
Which specification figure should the purchase order reference for Black Soybean Peptide Powder 80%?
The figure Peptide content 80%, measured by HPLC.
How is lot traceability handled?
Each lot keeps batch records and a retained sample, and the certificate for the shipped lot carries the same batch reference used in the quotation.
What do you declare for moisture and ash?
Both are released against the limits on the approved specification; the measured result for your lot appears on its COA.
How is protein content expressed?
Peptide content 80%, on the basis stated on the certificate.
Are you a manufacturer or a trading company?
LongBio is Shaanxi Longsheng Biotechnology Co., Ltd., a direct manufacturer of botanical extracts and functional ingredients integrating R&D, production and export support. Factory review can be arranged by video or an on-site visit.
How is the material shipped?
Air and sea freight are both arranged, with the mode chosen against volume, destination and required date. Documents and the HS code are issued with the shipping instructions.
What packing options are available?
Standard packing is a sealed food-grade inner liner inside an export carton or fibre drum. Pack size, labelling and private-label artwork are agreed in the written specification.
Request COA, Sample or Quotation
Send your target specification, application, order quantity, destination country and required test limits.
Get the current batch COA, a sample or a quotation




