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black pepper essential oil extraction method

Separation of piperine from pepper supercritical CO2 extract

According to the results of single factor investigation, it is preliminarily determined that the separation process of piperine in the supercritical CO2 extract of pepper is: dripping absolute ethanol in a constant temperature water bath at 40℃, the dosage is 1:5 (w/v), and then 1℃/ The cooling rate of 5min is reduced to 0℃, and it is placed at 0℃ for 4h to crystallize.

Black Pepper Oil Resin by Supercritical CO2 Extraction

Guide Under the static conditions of supercritical CO2 extraction pressure of 30 Mpa, extraction time of 3 h and extraction temperature of 50 °C, the black pepper raw materials without any treatment, absolute ethanol treatment and ethyl acetate treatment were extracted. The oleoresin was analyzed… Read More »Black Pepper Oil Resin by Supercritical CO2 Extraction