| 释义 |
▪ I. piperine, n.|ˈpɪpəraɪn|
[f. as prec. + -ine5.]
1. Chem. An alkaloid (C17H19NO3) obtained from species of pepper (Piper nigrum and P. longum), crystallizing in colourless prisms, and melting when heated to a pale yellow limpid oil.
1820Q. Jrnl. Sci. Lit. & Art IX. 402 Piperine is obtained from pepper, by digesting it in alcohol. 1838T. Thomson Chem. Org. Bodies 760 M. Orstedt first announced, in 1819, the existence of a peculiar principle in the fruit of piper nigrum, or black pepper, to which he gave the name of piperin. 1874Garrod & Baxter Mat. Med. (1880) 349 A nitrogenized feeble base, Piperine..in rhomboidal prisms, white, almost tasteless, and inodorous.
2. = peperino, late L. piperinus (Isidore). rare—0.
1882Ogilvie, Piperin, Piperine. 1. A concretion of volcanic ashes.
▪ II. ˈpiperine, a. rare—1.
[f. L. piper pepper + -ine2.]
Peppery.
1842Blackw. Mag. LII. 720 We naturally, with piperine heat, re-affirm our dictum.
▪ III. piperine, -ino
var. peperine, -ino. |