| abstract |
The invention provides a freeze-dried powder of Periplaneta americana and a preparation method thereof. Taking the weight of the preparation raw materials of the freeze-dried powder of Periplaneta americana as 100%, the preparation raw materials include the following components: Periplaneta americana extract 0.1-10wt%; excipient 5-20wt%; lyophilization protection agent 0.05-1wt%; buffer 0.02-2wt%; water 63.6-94.77wt%. The Periplaneta americana freeze-dried powder provided by the invention has higher activity of the effective substance, can exert the maximum effect of the effective substance, and has the functions of whitening, anti-wrinkle, light spot, scar reduction, moisturizing and the like. |