Description
MARINE-DERIVED INGREDIENT
Oyster extract powder (natural taurine) — Natural taurine 50%
Oyster extract powder (natural taurine) is supplied as a Fine light-beige 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-beige powder |
| Assay | Natural taurine 50% |
| Method | HPLC |
| 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 | LXHY260521 |
| Manufacture date | 21 May 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
Specify Oyster extract powder (natural taurine) by the declared basis, the delivered form and the certificate of analysis. For this grade the basis is Natural taurine 50% and the delivered form is Fine light-beige 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 extract powder is listed as Crassostrea gigas with natural taurine 50% by HPLC. The linked 85% grade has a different declared taurine content, while oyster peptide uses protein and molecular-weight specifications. Compare the source, assay and current batch documents before substitution.
Compare these related grades before approval:
For a substitution review, compare marine source, natural-taurine assay target and grade, 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 LXHY260521 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
How recent is the representative batch shown?
The batch referenced is LXHY260521; your shipment is released on its own certificate rather than the representative one.
What assay does Oyster Extract Powder 50% Natural Taurine carry on the certificate of analysis?
Assay Natural taurine 50%, determined by HPLC.
How is appearance checked?
Fine light-beige powder, compared against a retained sample from the approved batch.
Which safety parameters are tested every lot?
Moisture <=5.0%; result 3.90%, ash <=5.0%; result 3.50%, heavy metals and microbiology against the approved specification.
Can you supply a specimen for identity verification?
A retained sample is kept for each lot and the identity is stated as Crassostrea gigas (Pacific oyster).
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.
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
Compare another oyster preparation: Oyster Whole-Body Powder 50%-60%. The source form and named percentage may describe different specifications. Confirm species, source material and the relevant test basis before considering a substitution.
