Description
MARINE-DERIVED INGREDIENT
Oyster extract concentrate — Concentration 10% on solid basis
Oyster extract concentrate is supplied as a Clear to slightly opalescent pale amber liquid 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 | Clear to slightly opalescent pale amber liquid |
| Assay | Concentration 10% on solid basis |
| Method | Refractometry and gravimetric |
| Solid content | 10% +/-1% |
| Appearance | Clear to slightly opalescent liquid |
| pH (as supplied) | Within the approved specification range |
| Density | Within the approved specification range |
| Preservation | No preservative added unless agreed in writing |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Representative batch | LXHY260526 |
| Manufacture date | 26 May 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
Specify Oyster extract concentrate by the declared basis, the delivered form and the certificate of analysis. For this grade the basis is Concentration 10% on solid basis and the delivered form is Clear to slightly opalescent pale amber liquid. 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 concentrate is listed as a liquid Crassostrea gigas (Pacific oyster) ingredient with 10% solid content measured by refractometry and gravimetry. Compare the linked 20% liquid concentrate on the same solids basis; whole-body powder is a different physical format and purchasing specification. Confirm the current batch documents before substitution.
Compare these related grades before approval:
For a substitution review, compare marine species, liquid or dry form, declared solid-content basis, analytical method and the current offered-batch COA.
Application Areas
Discuss the intended liquid formulation and processing conditions with the supplier before selecting this concentrate.
Packaging and Delivery
Request the available pack sizes, evaluation sample, minimum order quantity and lead time for the offered lot in the quotation.
Quality and Documentation
Representative batch LXHY260526 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 long can we hold stock before use?
Two years when stored properly from the manufacture date when the pack stays sealed and dry.
What links the quotation to the delivered material?
The specification figure (Concentration 10% on solid basis) and the batch number LXHY260526 carry through from quotation to certificate.
Which specification figure should the purchase order reference for Oyster Extract Concentrate 10%?
The figure Concentration 10% on solid basis, measured by Refractometry and gravimetric.
Which particle size or presentation applies?
As a liquid, so particle size does not apply.
Which impurity limits are declared?
Moisture and ash are held within the approved specification limits, with heavy metals and microbiology tested on every lot.
What is the minimum order quantity?
The regular MOQ is typically 1 kg. An evaluation sample of 10-20 g can usually be arranged before a formal order, subject to stock.
Can I get a sample before placing the order?
Yes. An evaluation sample is normally available before a formal order. Sample quantity, courier account and destination are confirmed at the time of request.
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
