Thedescriptionofthemethodshouldincludedetailsofanyprocess,suchassolventused,
timeandtemperatureofanextractionandconcentration,
aswellastheprocessusedtoreducethelevelofmicrobiolcontamination.Accordingtotheabove,whichofthefollowingisnotincluded
A.所使用的溶剂
B.防止生物污染的措施
C.提取的时间、温度
D.操作人员的情况
E.提取的浓度