Kerry is the 1# supplier of refined complex nitrogen sources into the production media of microbial biopharmaceuticals. We are the only supplier that manufacturers both yeast extracts and peptones which allows us to supply nitrogen source solutions optimized for specific microbial applications including expression of recombinant products.

Our expert application teams have designed Hy-Express? total nitrogen systems optimized for specific biopharmaceutical media production, classical fermentation applications and diagnostic media. Hy-Express? Systems are animal-component-free (ACF) and significantly outperforms the traditional casein and non-animal products currently in the market.

Advantages
? Good Reproducibility
? High expression levels and good growth
? Completely non-animal
? No glucose inhibition?? (For expression systems with IPTG induction)

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