Occurrence of piperidine alkaloids in Piper species collected in different areas
2014
Bao, Narisu | Ochir, Sarangowa | Sun, Zhaorigetu | Borjihan, Gereltu | Yamagishi, Takashi
A simple and convenient method was established for simultaneous quantitative determination of piperine and piperlonguminine in dried fruits of Piper longum and allied plants. The average content of piperine in P. longum (18.26 mg/g, range 12.05–33.23 mg/g) was about one half that of P. nigrum (40.09 mg/g, range 29.57–54.23 mg/g), but the content of piperlonguminine in P. longum was in the range of 0.42–1.82 mg/g, and the average content of piperlonguminne (0.91 mg/g) was about seven times higher than that in P. nigrum (0.13 mg/g). A sample of P. longum from Vietnam and a sample of P. retrofractum collected in Ishigaki, Japan, showed high contents of piperine and piperlonguminine. On the other hand, a sample of P. betle collected in Taiwan showed low content of piperine, and piperlonguminine was not detected.
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