How we scored it
Extract of cultured callus cells: sugars, amino acids, polyphenols and other metabolites, all plant-derived (n=1). Culture medium and extraction solvent ignored. 1.00.
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
Callus tissue of Crocus sativus (saffron crocus) is grown in vitro on a sugar, mineral and vitamin medium, then harvested and extracted. No alternative route is significant, but the culture medium and growth regulators vary by supplier (ignored).
In plain English
An extract of plant cells grown in a laboratory culture from saffron crocus (Crocus sativus) tissue, rather than from the harvested flower. In products it is used as an antioxidant and for skin and hair conditioning. It is made of compounds from the cultured plant cells.
CosIng definition: Crocus Sativus Callus Extract is the extract of the callus of Crocus sativus grown in culture, Iridaceae.
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.
- 2CROCUS SATIVUS CALLUS EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3CROCUS SATIVUS CALLUS EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CROCUS%20SATIVUS%20CALLUS%20EXTRACT