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Trends in Applied Sciences Research
Year: 2008  |  Volume: 3  |  Issue: 4  |  Page No.: 298 - 302

Chemical Composition and Nutritive Significance of Luffa aegyptica and Castenea sp. Seeds

I.A. Amoo, A.E. Emenike and V.O.E. Akpambang    

Abstract: The seeds of Luffa aegyptica (Sponge gourd) and Castenea sp. (Chestnut) were analyzed for their proximate composition, nutritive elements and some of the physicochemical properties of the extracted oil, using standard methods. Results show that L. aegyptica and Castenea sp. have moisture contents of 6.47±0.18 and 7.56±0.49%, respectively. Other proximate composition of L. aegyptica and Castenea sp. are crude protein 33.55±1.01 and 10.84±1.60; fiber 6.47±0.54 and 13.18±1.58; fat 22.17±0.28 and 48.37±0.86; carbohydrate 29.51±1.83 and 16.90±1.53; ash 1.84±0.20 and 3.17±0.66; nitrogen free extract 23.04±0.90 and 3.72±0.50, respectively. Defatting the seeds increased the protein content of the samples to 54.49±0.08 and 35.04±0.09, respectively. The mineral contents (g/100 g) of L. aegyptica and Castenea sp., respectively are calcium (14.29 and 14.47), zinc 2.34 and 1.41), magnesium (21.40 and 21.51) and phosphorus (0.42 and 0.38). The antinutritional factors of L. aegyptica and Castenea sp. gave tannin 4.26, 6.51% and phytic acid 15.21, 36.86, respectively. The invert sugars, respectively are 13.77±0.18 and 22.12±2.49 mg/100 g. The physicochemical properties of the extracted oils of L. aegyptica and Castenea sp., respectively showed saponification value of 108.23±0.00 and 89.93±6.7; iodine value 102.67±0.03; acid value 68.71±1.55 and 34.79±0.57. These results indicate potential good and industrial use of these seed flour and their oils.

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