Generic term for a class of carotenes and their oxygenated derivatives (xanthophylls) consisting of 8 isoprenoid units joined so that the orientation of these units is reversed at the centre, placing the two central methyl groups in a 1,6 relationship in contrast to the 1,5 of the others. All carotenoids may be formally derived from the acyclic C40...
Found on
http://www.encyclo.co.uk/local/20973
Accessory lipophilic photosynthetic pigments in plants and bacteria, including carotenes and xanthophylls; red, orange or yellow, with broad absorption peaks at 450-480nm. Act as secondary pigments of the light-harvesting system, passing energy to chlorophyll and as protective agents, preventing photoxidation of chlorophyll. Found in chloroplasts and also in plastids in some non-photosynthetic tissues, eg. carrot root.
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http://www.encyclo.co.uk/visitor-contributions.php
A collection of plant pigments that are found in yellow, orange, red, and dark green fruits and vegetables and may lower the risk of heart disease and certain cancers. Examples are beta-carotene, lycopene, lutein, and zeaxanthin.
Found on
http://www.johnshopkinshealthalerts.com/reports/nutrition_weight_control/92
Type: Term Pronunciation: ka-rot′e-noydz Definitions: 1. Generic term for a class of carotenes and their oxygenated derivatives (xanthophylls) consisting of 8 isoprenoid units (thus, tetraterpenes) joined so that the orientation of these units is reversed at the center, placing the two central methyl groups in a 1,6 relationship in contrast t...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=14636
Pigments producing bright yellow, orange, or red colors. They are synthesized only by plants, so birds must obtain them via their diets.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter
pigments in plants responsible for yellow and orange colors.
Found on
https://www.encyclo.co.uk/local/22456
No exact match found.
