Grasas y Aceites, Vol 51, No 6 (2000)

Lipid composition of peanut seeds (Arachis hypogaea L.) obtained under different situations of water availability


https://doi.org/10.3989/gya.2000.v51.i6.458

Gustavo Giambastiani
Facultad de Ciencias Agropecuarias - Universidad Nacional de Córdoba.Av. Valparaiso, s/n. Ciudad Universitaria. 5000 Córdoba - Argentina, Argentina

Fernando Casanoves
Facultad de Ciencias Agropecuarias - Universidad Nacional de Córdoba.Av. Valparaiso, s/n. Ciudad Universitaria. 5000 Córdoba - Argentina, Argentina

Abstract


The changes in the lipid composition, oleic/linoleic ratio (O/L) and iodine value (IY) for Florman INTA peanut seeds of different sizes obtained under two different water availability conditions during reproductive period were, evaluated. The water availability affected O/L ratio, IY, and the content of all fatty acid but behenic. The seed size affect the oleic, eicosenic and behenic contents. Interaction between water availability and size seed in relation to lipid and lignoseric acid content were also detected. The greatest water availability produced seeds with more lipid content. Moreover, probably due to an indirect effect of less soil temperature, the insaturated lipid concentration was increased as can be seen in the less O/L ratio and augmented IY.

Keywords


Lipid (composition); Oil; Peanut seed; Quality; Water availability

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