Powers E M, Ay C C, Eckfeldt G A, Rowley D B
Appl Microbiol. 1971 Jan;21(1):155-6. doi: 10.1128/am.21.1.155-156.1971.
The American Public Health Association method for counting low numbers of yeast and mold in cottage cheese was unsatisfactory due to altered pH of the culture medium. A modification of this method is presented.
美国公共卫生协会用于计算农家干酪中少量酵母菌和霉菌的方法因培养基pH值改变而不尽人意。本文提出了该方法的一种改进。