# (1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1R)-4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol

> group of stereoisomers with the chemical formula C₄₀H₅₆O₂

**Wikidata**: [Q104392842](https://www.wikidata.org/wiki/Q104392842)  
**Source**: https://4ort.xyz/entity/-1r-4-1e-3e-5e-7e-9e-11e-13e-15e-17e-18-1r-4-hydroxy-2-6-6-trimethylcyclohex-2-en-1-yl-3-7-12-16-tetramethyloctadeca-1-3-5-7-9-11-13-15-17-nonaenyl-3-5-5-trimethylcyclohex-3-en-1-ol


## References

1. PubChem
2. Carotenoids: actual knowledge on food sources, intakes, stability and bioavailability and their protective role in humans
3. Dietary Sources of Lutein and Zeaxanthin Carotenoids and Their Role in Eye Health
4. Isolation and structural elucidation of (13Z,13'Z,3R,3'R,6'R)-lutein from marigold flowers, kale, and human plasma
5. Characterization and the effect of maturity at harvest on the phenolic and carotenoid content of Northeast USA Apricot (Prunus armeniaca) varieties
6. UniChem