lutein

 
Pronunciation: /ˈluːtɪɪn/

noun

[mass noun] Biochemistry
  • a deep yellow pigment of the xanthophyll class, found in the leaves of plants, in egg yolk, and in the corpus luteum.

Origin:

mid 19th century: from Latin luteum 'yolk of egg' (neuter of luteus 'yellow') + -in1