(n.) A substance of a strongly marked yellow color, extracted from the yelk of eggs, and from the tissue of the corpus luteum.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). lutein. Retrieved September 27, 2026, from http://smartdefine.org/lutein/definitions/2029324 |
| Chicago | Webster's. 2011. "lutein" http://smartdefine.org/lutein/definitions/2029324 (accessed September 27, 2026). |
| Harvard | Webster's 2011, lutein, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/lutein/definitions/2029324>. |
| MLA | Webster's. "lutein" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/lutein/definitions/2029324> |