Description
PEPTIDE INGREDIENT
Bovine Hide and Fish Scale Collagen — Oligopeptide under 1000 Da
An oligopeptide is defined by chain length, not by a percentage: 2 to 9 amino acid residues, molecular weight under 1000 Da. That definition is why the specification is written as a molecular weight band rather than as a peptide content figure.
COA-Backed Specification
| Identity | Collagen (bovine hide and fish scale) |
|---|---|
| Plant part | Mixed collagen source, enzymatic hydrolysate |
| Form and colour | White to off-white powder |
| Assay | Molecular weight under 1000 Da; 2-9 amino acid residues |
| Method | HPLC (molecular weight distribution) |
| 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 full molecular weight distribution curve, not only the “under 1000 Da” claim. The share below 500 Da is what predicts absorption behaviour.
- Definition: 2-9 amino acid residues, molecular weight under 1000 Da.
- Basis: specification is a molecular weight band, not a peptide percentage. Confirm the basis in writing.
- Source: bovine hide and fish scale. The blend ratio is stated on the quotation.
- Appearance: white to off-white powder; free-flowing at the usual grades.
- Solubility: fully water-soluble and clear in solution, which suits liquid formats.
- Documentation: COA with the molecular weight distribution, specification sheet and SDS.
How This Grade Differs
The site lists corn and marine fish oligopeptides. This is a collagen-derived oligopeptide, a different raw material with a different amino acid profile.
Quality and Documentation
Released on a batch certificate covering molecular weight distribution, protein, moisture, ash, heavy metals and microbiology.
Frequently Asked Questions
Which molecular weight profile applies?
The declared specification is Molecular weight under 1000 Da; 2-9 amino acid residues, and the peptide distribution is reported with the batch.
Can the COA be matched to the lot you ship?
Yes. The certificate is issued for the shipped lot, which is the batch named on the quotation referenced on the specification.
What assay does Collagen Oligopeptide Powder (MW under 1000 Da) carry on the certificate of analysis?
Assay Molecular weight under 1000 Da; 2-9 amino acid residues, determined by HPLC (molecular weight distribution).
What shelf life and storage conditions apply?
Two years when stored properly, kept sealed in a dry place away from light and heat.
Which impurity limits are declared?
Moisture and ash are held within the approved specification limits, with heavy metals and microbiology tested on every lot.
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 is the usual lead time?
Regular production normally takes 7-15 working days after deposit, depending on stock, volume, testing and customisation requirements.
Request COA, Sample or Quotation
Send your target specification, application, order quantity, destination country and required test limits.
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