| 释义 |
phlobaphene Chem.|ˈflɒbəfiːn|
Also -en.
[a. F. phlobaphène, f. Gr. ϕλό-ος = ϕλοι-ός bark + βαϕή dye + -ene.]
Name for a class of brown or red colouring matters, of complex composition, occurring in the bark of various trees and shrubs.
1880Watts Dict. Chem. VIII. 1568 Phlobaphene,..name..applied to certain red bodies, formed, together with glucose, when many tannins are heated with dilute sulphuric acid. 1887Athenæum 10 Dec. 787/2 It [tannin] is decomposed into glucose, gallic acid, and a substance analogous to phlobaphen. 1895Naturalist 23 It [the hawthorn] yields a phlobaphene with acids. |