酵母粉 [酵母浸膏粉, 酵母提取物]，Yeast Extract；suitable for microbiology

质量水平

200

生物来源

Saccharomyces cerevisiae

无菌性

non-sterile

测定

≥11% total nitrogen (N) basis
~5% amino-nitrogen basis

形式

powder

灼烧残渣

≤15%

缺失

≤6% loss on drying

pH值（酸碱度）

7.0±0.2 (2% in H₂O)

溶解性

H₂O: 2%, clear, yellow

application(s)

environmental
food and beverages
microbiology

适用性

molds
yeasts