There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
xanthophyll, xanthophyl, lutein
(noun) yellow carotenoid pigments in plants and animal fats and egg yolks
Source: WordNet® 3.1
lutein (usually uncountable, plural luteins)
(organic compound) A yellow carotenoid pigment, widely distributed in both plants and animals.
• E161b when used as a food colouring
• xanthophyll
• luetin, untile
Source: Wiktionary
Lu"te*in, n. Etym: [From corpus luteum.] (Physiol. Chem.)
Definition: A substance of a strongly marked yellow color, extracted from the yelk of eggs, and from the tissue of the corpus luteum.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 February 2025
(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.