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8360251 
Journal Article 
Extraction and quantification of marigold lutein using different solvent systems 
Surendranath, R; Ganga, M; Jawaharlal, M; Anitha, K 
2016 
Global Research Online 
37 
2 
187-191 
English 
Carotenoids (or pigments) are additives that can enhance the colour of animal products. Because hens cannot synthesize these pigments, they must be provided in the feed. Lutein is one such important member of carotenoid (xanthophyll) family widely present in marigold flower, spinach; kale used as functional food as it has vivid applications from poultry to opthalmo-pharmacy industry. Lutein and its isomer zeaxanthin are the oxidation products of carotenoids in plants. Both lutein and its stereoisomer zeaxanthin are distinguished from other carotenoid compounds based on the chemical composition of hydroxyl group attachments to their structures. © protected. 
Carotenoids; Marigold lutein; Solvent systems