• Difco TC Yeastolate UF and Bacto TC Yeastolate—these peptones are ideal for CHO-based applications of biotherapeutic monoclonal antibodies and recombinant proteins
• Difco Yeast Extract UF and Bacto Yeast Extract, Technical—these peptones support optimal growth of many microbial species for a variety of human and animal health vaccines
• Difco Phytone Supplement, UF—this enzymatic digest of soy is an excellent, nutritious source of carbohydrates and is used in mammalian cell culture. This peptone works well alone and when blended with yeast-based peptones.
Our Starter Paks provide conveniently packaged samples of the peptones most commonly used in mammalian cell culture and microbial fermentation bioproduction processes. Starter Paks are tailored for specific applications, including the production of monoclonal antibodies, recombinant proteins, and vaccines.