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Carotenoids, especially lutein and beta-carotene, offer benefits to human health in general and to eye health in particular. However, more data on the contribution of plant foods to carotenoid intake is of importance for developing strategies for promoting eye health in regions where cataract is highly prevalent such as in South India. The most frequently consumed 5 uncultivated and 5 commercially grown South Andhra Pradesh leafy vegetables were selected based on interviews with 100 local women. The lutein and beta-carotene contents of fresh and cooked samples were determined using reversed-phase high performance liquid chromatography. Lutein values ranged from 53 to 143 microg/g and 58 to 175 microg/g in fresh and cooked samples, respectively. beta-carotene contents were found to range from 45 to 119 microg/g in fresh samples and from 40 to 159 microg/g in cooked samples. No significant difference was observed between the carotenoid contents of wild and commercially grown species. According to their reported frequency of consumption, the 10 species considered in this study contribute 40% of the daily recommended intake of beta-carotene. This is the first report of lutein content in fresh samples of Celosia argentea L., Rumex vesicarius L., Digera muricata (L.) Mart., and Amaranthus cruentus L. as well as in cooked samples of all species included in this study.

Contribution of selected wild and cultivated leafy vegetables from South India to lutein and beta-carotene intake.