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Abstract

The aim of the work was a comparative study of oil characteristics and nutritional composition of seeds of two local varieties of ridge gourd collected from different districts of Bangladesh: Prince ridge gourd (PRG) and Hercules ridge gourd (HRG). Most of the physicochemical characteristics reported herein, of the seed oils of both varieties were significantly (p < 0.05) affected by sampling locations. Acylglycerol classes were estimated to be monoacylglycerols (1.6-1.9% in PRG and 1.4-1.6% in HRG), diacylglycerols (4.0-4.6% in PRG and 2.6-3.0% in HRG) and triacylglycerols (84.6-86.7% in PRG and 86.7-88.3% in HRG) whereas lipid classes to be neutral lipids (92.5-94.2% in PRG and 91.7-94.9% in HRG), glycolipids (2.8-3.2% in PRG and 2.5-3.9% in HRG) and phospholipids (1.9-2.4% in PRG and 1.2-2.6% in HRG). Glyceride and lipid compositions of PRG seed oil did not show any significant difference (p < 0.05) between the two samples of Rajshahi and Dinajpur districts. HRG samples had similar values for diacylglycerol contents. GLC analysis showed the presence of only four fatty acids from series C_16:0 to C_18:2. Linoleic acid was the major ranging from 49.5% to 51.0% in PRG and 48.6% to 49.2% in HRG. Both varieties contained considerable amounts of lipid (26.8-28.2% in PRG and 23.2-25.4% in HRG), protein (20.8-23.1% in PRG and 25.9-26.8% in HRG) and other essential nutrients. Most of the nutrient contents in PRG samples differed significantly (p < 0.05) than those found in HRG samples. Nutrient information reported herein illustrates the benefits to public health for those, who consume this plant fruit.

Keywords

ridge gourd seed oil fatty acids nutritional composition

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Oil Characteristics and Nutritional Composition of the Ridge Gourd (Luffa acutangula Roxb.) Seeds Grown in Bangladesh

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