Description
MARINE-DERIVED INGREDIENT
Oyster whole-body powder — Purity 50%-60%
Oyster whole-body powder is supplied as a Fine light-grey to pale grey powder B2B ingredient for further processing. Produced by our audited marine-ingredient partner facility and supplied under LongBio batch documentation. Batch identity, specification and COA are matched across the quotation.

COA-Backed Specification
| Identity | Crassostrea gigas (Pacific oyster) |
|---|---|
| Form and colour | Fine light-grey to pale grey powder |
| Assay | Purity 50%-60% |
| Method | Kjeldahl and gravimetric |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=5.0% |
| Ash | <=5.0% |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Representative batch | LXHY260603 |
| Manufacture date | 3 Jun 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.

Buyer Decision Guide
Specify Oyster whole-body powder by the declared basis, the delivered form and the certificate of analysis. For this grade the basis is Purity 50%-60% and the delivered form is Fine light-grey to pale grey powder. Confirm the destination market requirements, the intended use category and the required documentation before approval. This material is offered as an industrial raw material for further processing, not as a finished consumer product, and no health or medical claim is made.
- Declared basis and delivered form stated on the specification
- Documentation supplied: batch COA, specification sheet and agreed third-party testing
- Species and origin stated on the certificate; substitution requires written confirmation
- Destination market and intended use to be confirmed at quotation stage
- Samples available for evaluation against your own process

How This Grade Differs
Oyster whole-body powder is listed as Crassostrea gigas with a 50%-60% purity grade. The page does not define the analyte or basis behind that purity range; confirm it against the approved specification and current batch COA before comparing with the 80%+ whole-body, peptide or extract products.
Compare these related grades before approval:
For a substitution review, compare marine species, whole-body or extracted fraction, the defined assay target and basis, analytical method, physical form and the current offered-batch COA.
Application Areas
- Hard capsules and two-piece capsule filling
- Stick packs and single-serve sachets
- Powder blends and dry mixes
- Beverage and liquid concentrate systems, subject to the buyer’s process validation
Packaging and Delivery
- Evaluation sample typically 10-20 g, subject to stock
- Regular MOQ typically 1 kg
- 1 kg foil bag or 25 kg fibre drum with inner food-grade liner
- Custom packing and private-label options subject to confirmation
- Typical lead time 7-15 working days after deposit
Quality and Documentation
Representative batch LXHY260603 supports the specification table above. Use the cited record for preliminary comparison and request the offered-lot COA for final technical approval. Batch COA, specification sheet, agreed third-party testing and export documents are available for buyer verification.
Frequently Asked Questions
Which specification figure should the purchase order reference for Oyster Whole-Body Powder 50%-60%?
The figure Purity 50%-60%, measured by Kjeldahl and gravimetric.
How is appearance checked?
Fine light-grey to pale grey powder, compared against a retained sample from the approved batch.
Which safety parameters are tested every lot?
Moisture <=5.0%; result 3.50%, ash <=5.0%; result 3.70%, heavy metals and microbiology against the approved specification.
What is the declared source material for this grade?
Crassostrea gigas (Pacific oyster), as recorded on the specification and the batch certificate.
Which batch is the quotation based on?
The page cites representative batch LXHY260603; the current lot’s certificate governs release.
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.
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.
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




