Technical Guides

Animal-free peptones and yeast extracts: why and how to switch – Kemicale technical guide cover23 Oct 2026 Animal-free peptones and yeast extracts: why and how to switch Plant-derived peptones and yeast extracts remove animal-origin risk from media. What changes when you switch, how ultrafiltered grades differ, and how to qualify a new lot. Designing a fermentation medium: carbon and nitrogen sources – Kemicale technical guide cover22 Oct 2026 Designing a fermentation medium: carbon and nitrogen sources How to choose carbon and nitrogen sources for microbial fermentation, from glucose and glycerol to yeast extract, soya peptone and ammonium sulphate, and how they shape growth, overflow metabolism and...