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 chemistry and biology of alkannin, shikonin, and related naphthazarin natural products.
Compound 2 possesses a moderate activity, being weaker than shikonin, while 3 is active only in high concentrations, similar to alkannin.
A direct comparison (ir, nmr and ms) of isolated compounds with an authentic sample of alkannin showed the two to be indistinguishable (Khan et al.