Extraction by using various solvents is another method in which piperine is extracted by using solvents like ethanol 16,dichloromethane 17 and glacial acetic acid 18. In this method extraction of the fruit powder with glacial acetic acid is done. The piperine extract obtained is further partitioned into chloroform. Purification of piperine is done by column chromatography along with toluene and ethyl acetate (7:3) 19 as a solvent can be used. The folowing is solvent for piperine extraction except ...

Lipase-mediated enzymatic transesterification can facilitate biodiesel production. Because of their site selectivity, chemical selectivity, substrate selectivity, and

lower toxicity, lipases are promising enzymes for use in detergents, food processing, organic cosmetics, and the pharmaceutical industry. Currently, many microorganisms (including bacteria, yeasts and fungi) are considered as potential extracellular lipase producing strains. Although lipases exist widely in higher plants

and animals, microbial lipases are getting more attention due to their abundant gene resources, high stability, and broad substrate specificity. We can observe that lipase was preferred from microbial lipasses than higher plants due to following criteria except ...