
Polypeptone YL250
- Category
- Peptones & Protein Hydrolysates
- Pack sizes
- 500 g · 5 kg · 25 kg
- Certifications
- Halal
Data updated:2026-11-06
- Allergens
- Soy
Product highlights
- Halal certified, suitable for the Malaysian, Indonesian, and Middle Eastern markets
- Available in 500 g / 5 kg / 25 kg, from laboratory to industrial scale
- COA, specification sheet, and technical data sheet available; samples on request
- Manufactured in Taiwan with reliable supply
Frequently asked questions
01Which organisms is it suitable for?
Lactic acid bacteria. See the cultural response table and the specification sheet.
02How do I request a bulk quotation, and can you provide a COA?
Yes. This product is available in 500 g, 5 kg, 25 kg. Tell us your application and volume when requesting a quotation; we reply within one working day and can supply the COA, specification sheet, and technical data sheet.
Academic citation
Products from this range have been cited as the culture media source in a peer-reviewed study by a National Taiwan University research team:
Chan et al. (2024). Single-strain probiotics enhance growth, anti-pathogen immunity, and resistance to Nocardia seriolae in grey mullet (Mugil cephalus) via gut microbiota modulation. Animal Microbiome, 6, 67. Springer Nature.
Media attribution: Tryptone Soy Broth, MRS medium, LB broth, beef extract, peptone, yeast extract, agar (STBIO, New Taipei, Taiwan)
Read the full paperUsed in these applications
- Sustained Nitrogen Supply & Secondary Metabolite Production SeriesControlled hydrolysis and peptide molecular-weight distribution provide sustained nitrogen release to support secondary metabolite production. For Streptomyces, actinomycetes, antibiotics and other bioactive compound fermentations.
- High Spore Yield Nutrient SeriesNutrient formulations designed for the growth and sporulation of spore-forming bacteria, improving spore yield, sporulation rate and product quality. For Bacillus subtilis, B. amyloliquefaciens, B. velezensis and other biopesticide and biofertilizer strains.
