| 释义 |
ret·i·nene
\ˈretənˌēn\ noun
(-s)
Etymology: retin- (II) + -ene
: either of two carotenoid pigments that are aldehydes corresponding to the two vitamin A alcohols from which they are formed reversibly by oxidation:
a. : a light yellow crystalline compound C19H27CHO related to vitamin A1 and formed from rhodopsin or iodopsin by the action of light — called also retinene1
b. : an orange-red crystalline compound C19H25CHO related to vitamin A2 and formed from porphyropsin by the action of light — called also retinene2 |