alkaloid
Alkaloids are a class of basic, naturally occurring organic compounds that contain at least one nitrogen atom. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar ...
found in
black pepper
Black pepper (''Piper nigrum'') is a flowering vine in the family Piperaceae, cultivated for its fruit, known as a peppercorn, which is usually dried and used as a spice and seasoning. The fruit is a drupe (stonefruit) which is about in diame ...
and other species of the genus ''Piper''. It is one of the four
geometric isomer
Geometry (; ) is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space such as the distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is ...
s of
piperine
Piperine, along with its isomer chavicine, is the alkaloid responsible for the pungency of black pepper and long pepper. It has been used in some forms of traditional medicine.
Preparation
Due to its poor solubility in water, piperine is typica ...
.
See also
*
Guineesine
Guineesine (or guineensine) is an alkaloid isolated from long pepper (''Piper longum'') and black pepper (''Piper nigrum'').
Research
Guineensine inhibits the cellular reuptake of anandamide and 2-arachidonoylglycerol in a mouse model ( EC50 = ...