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piperine
Значение термина piperine в knolik
piperine - Piperine
piperine - Piperine is obtained from black pepper (Piper nigrum) as follows. The alcoholic extract is treated with a weak solution of caustic potash (1 to 100), and the residue, after being washed with cold water, is dissolved in alcohol; the solution is next agitated with a little animal charcoal, and the filtrate is allowed to evaporate spontaneously; the product may be purified by resolution in alcohol and re-crystallisation. (Cooley.)
Рядом со словом piperine в knolik
| nicotine | В начало буква "" буквосочетание "" | quinine |
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