Carotenoid content and in vitro bioaccessibility of lutein in some leafy vegetables popular in Sri Lanka

Journal of Nutritional Science and Vitaminology
U G ChandrikaA K E Goonetilleke

Abstract

Lutein is one of the major carotenoids in green leafy vegetables (GLVs), which show a marked antioxidant activity. The study was carried out to identify and quantify the carotenoid content of selected Sri Lankan GLVs. RP-HPLC with photodiode array detection method was followed for the separation, identification and quantification of carotenoids. Among the vegetables analyzed, Ipomoea batatas leaves showed the highest beta-carotene content (743.9+/-35.0 microg/g dry weight (DW)) while Syngonium angustatum leaves contained the highest amount of lutein (1,728.2+/-168.3 microg/g DW). Percentage in vitro bioaccessibility of lutein from cooked GLVs ranged from 10.1 to 48.0% in stir-fried preparations of Centella asiatica and Cucurbita maxima, respectively. Hence these GLVs can be exploited as a rich source of beta-carotene and lutein to overcome vitamin A deficiency and age-related macular degeneration.

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Citations

Jun 13, 2014·Journal of Medicinal Food·Remya Mohanraj, Subha Sivasankar
Jun 15, 2012·International Journal of Food Sciences and Nutrition·Varnashree Boraiah Shivanna, Nagarajan Subban
May 17, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Bahare SalehiRaffaele Capasso
Mar 12, 2011·International Journal of Food Sciences and Nutrition·U G ChandrikaA K E Goonetilleke
Oct 7, 2020·Journal of Food Biochemistry·Godagama Udaha Walauwe Uththara Pubudu Kumari, Katugampalage Don Prasanna Priyantha Gunathilake

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