Fatty Acid Contents of Gamma Irradiated Sesame ( L.) Peanut (Arachishypogaea L.) and Sunflower (Helianthus annuus L.) Seeds
2017
Mahfouz, Al-Bachir
Fatty acids composition are an important attribute in oil. The present study aimed to evaluate three selected sources of oil namely, sesame (Sesamumindicum L.) peanut (Arachis hypogaea L.) and sunflower (Helianthus annuus L.). Oil were extracted from seeds produced in Syria and irradiated with 3, 6 and 9 kGy of gamma-irradiation to assess the variability in fatty acid composition and to determine the relationship between irradiation and certain fatty acids. Results demonstrated that sesame, sunflower and peanut oils are of unsaturated type and contain mainly the oleic C18:1 and linoleic C18:2 fatty acids. Irradiation of seeds with medium doses (3 to 9 kGy) did not significantly affect the fatty acids contents. However, the un-saturated, saturated fatty acids, and the ratio of saturated to un-saturated fatty acids (TU/TS) were altered upon irradiation. These changes were significant for sesame and sunflower oils, but not for peanut oil.
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