How we scored it
Flavonoid glycoside (quercetin + rutinose sugar) extracted from plant sources = 1.0.
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
Commercially isolated from plants such as Sophora japonica flower buds or citrus peel by extraction and purification. No petrochemical feedstock is used.
In plain English
An antioxidant plant compound found in buckwheat, citrus and other plants. It's added to skin and hair products to help protect against everyday environmental stress.
Structure
2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one
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.
- 2Rutin. PubChem CID 5280805. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3RUTIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4RUTIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=RUTIN