Analysis and Stability Test of the Water Extracts and Powders from Piperis Longi Fructus for Toxicity Study

For toxicity assessment, powders and water extracts from the Piperis Longi Fructus were manufactured, and the component analysis were analyzed according to the Korean Herbal Pharmacopoeia method. Stability tests of powders and water extracts from the Piperis Longi Fructus were investigated at refrigerated and room temperature for one year. Powder and water extract were found to have been stable for a year after analyzing them with HPLC. Therefore, the use of the powders and water extracts of Piperis Longi Fructus after preparation during the animal test turned out to be stable.