Characteristics of seed oils and nutritional compositions of seeds from different varieties of Momordica charantiaLinn.cultivated in Bangladesh

M. Abbas Ali, M. Abu Sayeed, M. Sultanur Reza, Mst. Sarmina Yeasmin and Astaq Mohal Khan
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M. Abbas Ali: Department of Chemistry, Rajshahi University of Engineering and Technology, Rajshahi, Bangladesh
M. Abu Sayeed: Department of Applied Chemistry and Chemical Technology, Rajshahi University, Rajshahi, Bangladesh
M. Sultanur Reza: Department of Chemistry, Rajshahi College, Rajshahi, Bangladesh
Mst. Sarmina Yeasmin: BCSIR Laboratories, Rajshahi, Bangladesh
Astaq Mohal Khan: BCSIR Laboratories, Rajshahi, Bangladesh

Czech Journal of Food Sciences, 2008, vol. 26, issue 4, 275-283

Abstract: Farmers in rural areas of almost all the districts of Bangladesh cultivate different varieties of edible plant karela to satisfy nutritional requirements. Herein, we report on the characteristics of seed oils and nutrients and mineral contents of seeds from three varieties of karela. Most of the physicochemical characteristics were significantly (P < 0.05) affected with the samples tested. Seed oils of all varieties displayed a higher degree of unsaturation and in GLC reported herein, only five fatty acids were identified. The profiles of fatty acid composition were not wholly similar in all varieties in which unsaturated fatty acids represented more than 72%, α-eleostearic acid having been detected in the amount of 50.36-53.22%. Acylglycerol classes were estimated to be monoacylglycerols (1.18-2.01%), diacylglycerols (1.83-2.98%), and triacylglycerols (91.11-93.03%) whereas lipid classes included neutral lipids (86.83-91.09%), glycolipids (4.37-7.43%), and phospholipids (3.22-4.62%). Of the major energy producing nutrients, all varieties contained large amounts of lipid (33.93-36.21%) and protein (18.23-21.36%), and potentially useful amounts of calcium (383.45-440.96 μg/g), iron (41.10-45.03 μg/g), and other essential minerals. The nutrient information presented in this report should stimulate the local public health authorities in Bangladesh to consider the question of recommending the vegetable karela to be consumed by adults and children alike in Bangladesh, including pregnant women and others with higher than normal nutritional requirements.

Keywords: karela; seed oil; fatty acid; mineral content (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:26:y:2008:i:4:id:1123-cjfs

DOI: 10.17221/1123-CJFS

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