lutein

lutein
1. The yellow pigment in the corpus luteum, in the yolk of eggs, or any lipochrome. 2. SYN: xanthophyll. 3. The dried powdered corpora lutea of the hog, formerly used as a progesterone source. [L. luteus, saffron-yellow]

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lu·tein 'lüt-ē-ən, 'lü-.tēn n an orange xanthophyll C40H56O2 occurring in plants usu. with carotenes and chlorophylls and in animal fat, egg yolk, and the corpus luteum

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n.
2. the yellow pigment of the corpus luteum.

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lu·te·in (looґte-in) [L. luteus yellow] 1. a yellow pigment, or lipochrome, from the corpus luteum, from fat cells, and from the yolk of eggs. It is closely related to xanthophyll. 2. any lipochrome.

Medical dictionary. 2011.

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  • Lutein — (pronounced|ˈlutiːn) (from Latin lutea meaning yellow ) is one of over 600 known naturally occurring carotenoids. Found in green leafy vegetables such as spinach and kale, lutein is employed by organisms as an antioxidant and for blue light… …   Wikipedia

  • Lutein — Lu te*in, n. [From corpus luteum.] (Physiol. Chem.) A substance of a strongly marked yellow color, extracted from the yolk of eggs, and from the tissue of the corpus luteum. [1913 Webster] …   The Collaborative International Dictionary of English

  • Luteïn — Luteïn, der gelbe Farbstoff des Eidotters, des Blutplasmas, Blutserums, der mit dem Farbstoff der Maiskörner, mancher Blüten und Staubfäden identisch sein soll …   Meyers Großes Konversations-Lexikon

  • Lutein — ⇒ Xanthophylle …   Deutsch wörterbuch der biologie

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  • lutein — [lo͞ot′ē in] n. [< (CORPUS) LUTE(UM) + IN1] 1. XANTHOPHYLL 2. a preparation of dried and powdered corpus luteum …   English World dictionary

  • Lutein — Strukturformel Allgemeines Name Lutein Andere Namen …   Deutsch Wikipedia

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  • lutein cell — n any of the plump cells of the corpus luteum that contain lipid droplets and are derived from granulosa cells and the cells of the theca interna see GRANULOSA LUTEIN CELL, THECA LUTEIN CELL …   Medical dictionary

  • Lutein-free diet — The Lutein free diet is one of several specific diets reported to be beneficial to people with autism spectrum disorders. It is based on the theory of phagocytosis of pigments first described by research nutritionist Sandra Desorgher (DPsy.) The… …   Wikipedia

  • lutein — noun Date: 1869 an orange xanthophyll C40H56O2 occurring in plants, animal fat, egg yolk, and the corpus luteum …   New Collegiate Dictionary

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