Chemical composition of aboriginal peanut (Arachis hypogaea L.) seeds from Uruguay

Grosso, N. R. and Lucini, E. I. and Lopez, A. G. and Guzman, C. A. (1999) Chemical composition of aboriginal peanut (Arachis hypogaea L.) seeds from Uruguay. Grasas y Aceites, 50 (3). pp. 203-207.

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Abstract

Oil, protein, carbohydrate and ash contents, iodine value, and fatty acid and sterol compositions were studied in seed of 9 aboriginal (Arachis hypogaea subsp. fastigiata var. vulgaris cultivars originating from Uruguay. They showed a high protein level as other varieties of the subspecie fastigiata (these protein percentages are higher than varieties of subspecie (hypogaea ). Palmitic (16:0), stearic (18:0), oleic (18:1), linoleic (18:2), arachidic (20:0), eicosenoic (20:1), behenic (22:0), and lignoceric (24:0) acids were detected. The cultivar 7 Uv showed higher oleic acid content (42.53%) and 0/L ratio (1.09). The cultivars 2 Uv and 5 Uv had higher percentage in linoleic acid (43.67% and 43.40%, respectively). The cultivar 3 Uv and 4 Uv exhibited lower iodine value (104.90 and 104.73, respectively). Cholesterol, campesterol, stigmasterol, β-sitosterol, Δ5-avenasterol, Δ7-estigmasteroI and Δ7-avenasterol were detected in the sterols, β-sitosterol was the most abundant. Significant difference was only found for stigmasterol. The chemical quality of these seeds is characterized by higher protein levels and oils with lower O/L ratio and higher iodine value.

Item Type: Article
Additional Information: SNNigam Collection
Uncontrolled Keywords: Chemical composition, Peanut, Seed, Uruguay
Author Affiliation: ICTA, IMBIV-CONICET. Av. Valparaíso s/n, Argentina. Naturales (UNC), IMBIV-CONICET, Ciudad Universitaria. Argentina.
Subjects: Crop Improvement
Plant Physiology and Biochemistry > Biochemistry
Divisions: Groundnut
Depositing User: Mr Arbind Seth
Date Deposited: 03 Apr 2013 14:29
Last Modified: 03 Apr 2013 14:29
Official URL: http://dx.doi.org/10.3989/gya.1999.v50.i3.657
URI: http://eprints.icrisat.ac.in/id/eprint/10147

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