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Abstract
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Article Information:
Nutritive Composition and Properties Physico-chemical of gumbo (Abelmoschus esculentus L.) Seed and Oil
C.B. Ndangui, A. Kimbonguila, J.M. Nzikou, L. Matos, N.P.G. Pambou-Tobi, A.A. Abena, Th. Silou, J. Scher and S. Desobry
Corresponding Author: Jean Mathurin N'ZIKOU
Submitted: 2009 October, 14
Accepted: 2009 October, 26
Published: 2010 January, 10 |
Abstract:
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Chemical and physical properties of mature gumbo (Abelmoschus esculentus L.) seeds from
Impfondo, in North Congo-Brazzaville were evaluated. The chemical properties evaluated were moisture, crude
protein, crude oil, crude ash, crude fiber, and crude energy. The oil from A.esculentus seeds was extracted using
two oils extraction methods with petroleum ether (Soxlhet) and extraction with a mixture of
chloroform:methanol (1:1) (Blye and Dyer).The oil concentration ranged from 24.90% (Soxlhet) to 21.98%
(Blye & Dyer). The minerals, viscosity, acidity, saponification value, iodine value, fatty acid methyl esters,
unsaponifiable matter content, peroxide value, activation energy and differential scanning calorimetry were
determined. Abelmoschus esculentus L. seeds have ash content of 5.68% (with the presence of following
minerals: Ca, Mg, K and Na). The oil was found to contain high levels of unsaturated fatty acids, especially
oleic (up to 24.89%) and linoleic (up to 42.78%). Abelmoschus esculentus L. oil can be classified in the
oleic-linoleic acid group. The dominant saturated acid w as palmitic (up to 25.79%). Abelmoschus esculentus
L. seeds were also founded to contain high levels of crude protein (24.85%). The content of insaponifiables is
1.53%. Taking into account these results, the gumbo (Abelmoschus esculentus L.) finds its applications in the
food and cosmetic industry.
Key words: Activation energy, DSC, fatty acid, Abelmoschus esculentus L. seeds, nutritive values, viscosity,
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Cite this Reference:
C.B. Ndangui, A. Kimbonguila, J.M. Nzikou, L. Matos, N.P.G. Pambou-Tobi, A.A. Abena, Th. Silou, J. Scher and S. Desobry, . Nutritive Composition and Properties Physico-chemical of gumbo (Abelmoschus esculentus L.) Seed and Oil. Research Journal of Environmental and Earth Sciences, (1): Page No: 49-54.
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ISSN (Online): 2041-0492
ISSN (Print): 2041-0484 |
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