from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An apocarotenoid that is the active ingredient of annatto.
from The Century Dictionary and Cyclopedia
- n. The orange- coloring principle (C16H26O2) of arnotto, a vermilion-red powder, insoluble in water or ether, but soluble in alcohol and benzol.
- n. A variety of arnotto, having from six to ten times the coloring power of common arnotto, from quicker extraction.
Sorry, no etymologies found.
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.
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.
Wynter Blyth says that the red resin, or bixin, is soluble in 25 parts of hot alcohol.