Grasas y Aceites, Vol 42, No 5 (1991)

Variation of the quality parameters of sunflower grain and oil (H. annus) stored at different relative environmental humidities


https://doi.org/10.3989/gya.1991.v42.i5.1222

A. Motta
INCABIE, Facultad de Ciencias Agrarias / CONICET, Argentina

G. M. Eguiazu
INCABIE, Facultad de Ciencias Agrarias / CONICET, Argentina

Abstract


Commercial samples of sunflower were exposed to different relative humidities (75%, 80%, 84%, 92% and 98%) for two months. In addition to the kinetic rehydratation in standard and treated samples, the following parameters were measured: humidity, fat content, germinative power, acidity index, iodine number and fatty acids composition.
Fatty acids composition, iodine number and fat content, did not change significantly. Only the acidity index and the germinative power were an index of the damage.

Keywords


Quality (parameters); Relative humidity; Storage; Sunflower

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