更多piperine例句

1. Pepper owes its properties to an alkaloid, piperine, and to a volatile oil.
2. Piperine colours the sulphuric acid blood-red, and is turned dark-brown, almost black by the cerium oxide (Sonnenschein).
3. He has proved that the alkaloid so obtained is identical with that prepared from piperine.
4. One-half ounce balsam copaiba, one-quarter ounce liquorice powder, one-half drachm piperine.
5. It also contains a mere trace of piperina or piperine, one of the most valuable constituents of black pepper.