酵母粉 酵母提取物 Yeast Extract

酵母粉（潔食清真）Yeast Extract  KH

貨號：A120200

富含碳水化合物、維生素、生長因子和氨基酸，能促進包括酵母和霉菌在內(nèi)的多種微生物生長。

Aspect = light beige powder
Odor = characteristic
Sulfuric ash < 17%
Stability (5% solution) = stable
Total Nitrogen : 11,0 ± 1,0%
Amino Nitrogen : 5,5 ± 1,0%
Loss on Drying < 6,0%
pH (5% in solution) = 7,0 ± 0,5

細菌學(xué)酵母粉（潔食清真）Bacteriological Yeast Extract KH

貨號：A120400

與A120200生產(chǎn)工藝不同，其水解程度更高，具有不同的分子量分布和氨基酸譜，在培養(yǎng)基中可以提供相同的富集因子，為優(yōu)化生長或代謝提供了另一種選擇。

Aspect = light beige powder
Odor = characteristic
Sulfuric ash < 17%
Stability (2% solution) = stable
Total Nitrogen : 9,5 – 12,0%
Amino Nitrogen : 4,5 – 7,5%
Loss on Drying < 6,0%
pH (2% in solution) = 7,0 ± 0,5