# Luma Ingredients

> China-based B2B supplier of chitosan oligosaccharide (COS), marine peptides and selected bio-based ingredients.

Specifications and reference directions are grade-specific. Prices, sample availability, lead times and supporting documents are confirmed by inquiry. Research descriptions are not guarantees of product performance or market approval.

## Company and contact
- [About](https://lumaingredients.com/about.html): Business identity and supply coordination.
- [Contact](https://lumaingredients.com/contact.html): Request a quotation, sample or technical documents.
- [Facebook](https://www.facebook.com/profile.php?id=61595456305486): Official profile supplied by the site owner.

## Products
- [Product catalog](https://lumaingredients.com/product-catalog.html): Ingredient categories.
- [Agricultural COS](https://lumaingredients.com/agricultural-cos.html): Agricultural ≥85% grade; request crop-specific use directions.
- [Feed COS](https://lumaingredients.com/feed-grade-cos.html): Feed ≥85% grade and species-specific reference amounts.
- [Quality and documents](https://lumaingredients.com/quality.html): Product brochures and document requests; supplier grades are not interchangeable.
- [Application research](https://lumaingredients.com/applications.html): Source-linked research articles.

## Optional
- [Homepage as Markdown](https://lumaingredients.com/index.md): Text counterpart of the homepage.
- [Sitemap](https://lumaingredients.com/sitemap.xml): Canonical website URLs.
- [Privacy Notice](https://lumaingredients.com/privacy.html)
- [Website Terms](https://lumaingredients.com/terms.html)

## Sourcing and research guides
- [COS Plant-Defense Research: What Formulators Should Check](https://lumaingredients.com/articles/cos-in-crop-defense.html)
- [Chitosan Oligosaccharide in Poultry: Reading the Evidence](https://lumaingredients.com/articles/cos-in-poultry-nutrition.html)
- [COS Molecular Weight and Maize Drought Research](https://lumaingredients.com/articles/cos-maize-drought-research.html)
- [Buying Chitosan Oligosaccharide: Specification and COA Guide](https://lumaingredients.com/articles/cos-specification-buying-guide.html)