bixin

Definitions

noun The orange- coloring principle (C₁₆H₂₆O₂) of arnotto, a vermilion-red powder, insoluble in water or ether, but soluble in alcohol and benzol.
noun A variety of arnotto, having from six to ten times the coloring power of common arnotto, from quicker extraction.

noun organic chemistry An apocarotenoid that is the active ingredient of annatto.

Sorry, no etymologies found.

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In a similar vein, they examined a number of natural carotenoids with fewer carbons, such as crocetin and bixin, and demonstrated that these molecules are breakdown products from plants with larger forty carbon carotenoids.

Richard Kuhn and the Chemical Institute: Double Bonds and Biological Mechanisms 2010
The bright red-orange pigment bixin is found in the waxy coating of the seeds, and readily changes into a number of chemical variants that are different shades of orange, yellow, and red.

On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
The bright red-orange pigment bixin is found in the waxy coating of the seeds, and readily changes into a number of chemical variants that are different shades of orange, yellow, and red.

On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
Wynter Blyth says that the red resin, or bixin, is soluble in 25 parts of hot alcohol.

Scientific American Supplement, No. 531, March 6, 1886 Various