产品名称
酵母抽提物, suitable for microbiology
biological source
Saccharomyces cerevisiae
Quality Segment
sterility
non-sterile
form
powder
shelf life
limited shelf life, expiry date on the label
composition
amino-nitrogen, ≥4.5% , total nitrogen (N), ≥10%
packaging
pkg of 25 kg, pkg of 5 kg, pkg of 500 g
ign. residue
≤15%
loss
≤8% loss on drying
pH
6.5-7.5 (25 °C, 2% in H2O)
solubility
H2O: 2%, clear, light yellow to brownish-yellow
application(s)
food and beverages, microbiology
suitability
molds, yeasts
General description
酵母提取物粉末由选定的酿酒酵母菌株制成。推荐用于微生物培养基、发酵和其它生物学研究。酵母提取物是在受控条件下生产，从而保留其维生素含量和其它营养价值，如肽、游离氨基酸、核酸、矿物质、痕量元素和磷化合物。它富含维生素，尤其是那些B 族复合维生素，通常用于在培养基中以 0.3 - 0.5% 的浓度提供这些因子。
Application
酵母提取物尤其可用于培养基中用于培养牛奶或其它乳制品中存在的微生物，还用于检测和富集病原体和指示生物的培养基。
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存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)