alkannin


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alkannin

[al′ka·nən]
(organic chemistry)
C16H16O5 A red powder, the coloring ingredient of alkanet; soluble in alcohol, benzene, ether, and oils; used as a coloring agent for fats and oils, wines, and wax.
References in periodicals archive ?
The colouring component of alkanet i.e., alkannin is believed to have deep red colour in oily or greasy media and violet in alkaline media.
A clinical trial for 72 patients with varicose ulcer of legfirst found that alkannin esters showed excellent wound healing properties.[sup][14] In several in vivo animal studies of wound healing, shikonin and its derivatives induced granulomatous tissue formation, accelerated proliferation of fibroblasts and collagen fiber, and induced neovascularization, which eventually promoted wound healing.[sup][4],[5] A recent study concluded that shikonin stimulated epithelial-mesenchymal transition in skin wound healing.[sup][15] However, mechanism of the effects of shikonin and its derivatives on human skin cells needed to be confirmed by in vitro experiments.