释义 |
brazilin
brazilin (ˈbræzɪlɪn) or brasilinn (Elements & Compounds) a pale yellow soluble crystalline solid, turning red in alkaline solution, extracted from brazil wood and sappanwood and used in dyeing and as an indicator. Formula: C16H14O5[C19: from French brésiline, from brésil brazil wood]brazilin
braz·i·lin (bră-zil'in), [C.I. 75280] A red natural dye obtained from the bark of several species of tropical trees and oxidized to the active red dye brazilein; resembles hematoxylin in origin, chemistry, and usage; used as a nuclear stain and as an indicator (red in alkalies, yellow in acids). |