A.12 h
B.24 h
C.36 h
D.48 h
E.60 h
[单选题]测定化妆品中霉菌和酵母菌的总数时,若有霉菌蔓延生长,为避免影响其它霉菌和酵母菌计数,培养时间应缩短为A.12hB.24hC.36hD.48hE.60h
[单选题]化妆品中霉菌和酵母菌总数不得大于()A .50CFU/ml或50CFU/gB .100CFU/ml或100CFU/gC .150CFU/ml或150CFU/gD .200CFU/ml或200CFU/g
[单选题]化妆品中霉菌和酵母菌总数不得大于A.100CFU/ml或100CFU/gB.200CFU/ml或200CFU/gC.300CFU/ml或300CFU/
[单选题]化妆品中霉菌和酵母菌总数不得大于A.100CFU/ml或100CFU/gB.200CFU/ml或200CFU/gC.300CFU/ml或300CFU/
[单选题]测定化妆品中霉菌和酵母菌的总数时,一般需要培养A.24hB.48hC.72hD.96hE.120h
[单选题]测定化妆品霉菌和酵母菌时采用的培养基是A.卵磷脂琼脂培养基B.虎红(孟加拉红)培养基C.乳糖胆盐培养基D.营养琼脂培养基E.血琼脂培养基
[单选题]检测化妆品中霉菌和酵母菌的培养基是A.营养琼脂培养基B.虎红(孟加拉红)培养基C.伊红美兰培养基D.三糖铁培养基E.SS琼脂培养基
[单选题]检测化妆品中霉菌和酵母菌的培养基是A.营养琼脂培养基B.虎红(孟家拉红)培养基C.伊红美兰培养基D.三糖铁培养基E.哥伦比亚血琼脂培养基
[单选题]化妆品中霉菌和酵母菌总数不得大于A.100CFU/ml或100CFU/gB.200CFU/ml或200CFU/gC.300CFU/ml或300CFU/gD.400CFU/ml或400CFU/gE.500CFU/ml或500CFU/g
[单选题,B1型题] 按照我国《化妆品卫生规范》的规定,每克或每毫升化妆品产品中的霉菌和酵母菌总数不得超过()。A . 不得检出B . 3CFU/mlC . 20CFU/mlD . 100CFU/mlE . 1000CFU/ml