Dichloromethane was used as extracting agent for the extraction, and then vacuum rotatory evaporator was used for the concentration. 以二氯甲烷为萃取剂对茅台迎宾酒中的微量成分进行了萃取,然后用真空旋转蒸发器将其浓缩。
Methods Using the mixed solvent of ethanol-acetone to extract the sex hormone from milu antler, and using the rotatory evaporator to get the sex hormone concentrate from the milu antler extractive; 方法用乙醇-丙酮混合液提取麋鹿茸中的性激素,并用旋转薄膜蒸发器浓缩得到麋鹿茸提取液;