Piperis fructus

Amides piperines (Piperis fructus) or capsaicin (Capsid fructns). 

Piperis and Capsid fructus, Galangae and Zingiberis rhizoma Piperis fructus... 

C Piperis albi (2) and Piperis nigri fructus (3) both contain piperine at Rf 0.5 (Tl) and dipiperine at R, 0.7. Piperis fructus mainly differs in the contribution of minor compounds, sucb as piperyline (R, 0.15), piperettine, piperine isomers (R, 0.55) and piperaesthin A at R, — 0.75. Different amounts of terpenes are detectable as violet-blue zones at the solvent front. 

Powdered drug (1 g) is extracted by healing under reflux for 10 min with 10 ml methanol. Piperis The filtrate is evaporated to 3 ml. and 10 pi is used for chromatography. fructus... 

B Piperis nigri fructus (2) is characterized by the yellow piperine zone (T2) at U, 0.25. The essential oil compounds are seen as blue zones at R, 0.6 and at the solvent front. 

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