| 释义 |
hesper-
stem of Hesperus, used in the same sense as hesperid-, as the radical part of several chemical terms, as heˈsperic, hespeˈretic, hespeˈrinic, hespeˈrisic adjs., denominating acids. hespeˈretin, -ˈetol: see quots.
1881Watts Dict. Chem. VIII. 1029 Hesperetic acid, C10H10O4, is likewise formed by the action of alkalis on hesperidin. Ibid. 1028 Hesperidin is a glucoside, and is resolved by dilute acids into glucose and hesperetin C16H14O6. 1886Syd. Soc. Lex., Hesperetol C9H10O2, a yellowish oil that stiffens in a crystalline manner, obtained by the dry distillation of lime hesperetinate. Ibid., Hesperinic acid, C6H6O3,..obtained by the action of nitric acid on Hesperidene. 1889Muir & Morley Watts' Dict. Chem. II. 684 Hesperic acid, C22H28O7, an acid which may be extracted by alcohol from orange peel in water, a product of the decomposition of hesperidin. |