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Piperine is generally consumed as a component of black pepper. Adding black pepper to cooked foods, raw foods, and fresh juices is a good way to increase nutrient absorption. Black pepper spices up almost all foods, even snacks like popcorn.
isolation of piperine from black pepper. procedure. 10g black pepper is ground to a fine powder and extracted with 150mL 95%. ethanol in a soxhlet extractor for 2h. the solution is filtered and concentrated in. vacuo on a water bath at 60C. 10mL 10% alcoholic KOH solution is added ...