释义 |
invertin Chem.|ɪnˈvɜːtɪn, ˈɪnvətɪn| [f. invert v. + -in1.] A chemical ferment, obtained as a white powder from yeast desiccated in air; it is the constituent which produces the inversion of sugar.
1879Watts Dict. Chem. VIII. 784 Invertin—Donath..obtains this substance by treating yeast according to Zulkowsky and König's method..It is obtained in the form of a powder, a very small quantity of which is sufficient to bring about the inversion of cane-sugar. 1896Allbutt's Syst. Med. I. 519 Invertin, an enzyme capable of changing cane-sugar into dextrose, is found in internal bacilli. |