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YNB with ammonium sulfate, powder
Yeast Nitrogen Base is available with or without ammonium sulfate. YNB is composed of salts, vitamins and trace elements. Some component dropouts are available. To make your own synthetic defined yeast media, start with the YNB of your choice, add a carbon source, the appropriate amino acids, and agar if necessary. Bulk powder, easily weighed to make custom batch sizes
YEP broth, 1 kg
YEP is a nutritionally rich medium for the growth of S. cerevisiae, containing only, peptone and yeast extract, without dextrose. Glycerol can be added as a non-fermentable carbon source to make YEP-glycerol (YEPG) for the study of respiratory deficient mutants.