How we scored it
Whole molecule (bixin) is a carotenoid extracted directly from annatto seed; botanical extracts = 1.0 by this site's convention.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
CI 75100 (annatto/bixin) is extracted from the seeds of the achiote (Bixa orellana) shrub. There is no commercially significant synthetic route.
In plain English
A natural orange-red colorant (bixin) extracted from the seeds of the annatto plant. Used to add colour to cosmetics and personal care products.
CosIng definition: CI 75100 is classed chemically as a carotenoid colour. It conforms to the formula:
Structure
(2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,14-heptaenedioic acid
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2CI 75100. PubChem CID 5281232. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3CI 75100. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4CI 75100. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2075100