酵母粉 YEAST EXTRACT产品说明：
This is a dried yeast autolysate which is a good source of amino-nitrogen and vitamins, particularly the water soluble B-complex vitamins. Its addition to many media or fermentation broths increases the yield of organisms and is recommended where rapid and luxuriant growth is required.
Typical analysis (% w/w)
Total Nitrogen 10.9
Amino Nitrogen 5.3
Sodium chloride 0.3
pH (2% solution) 7.0 ± 0.2