title: Quality index of oils extracted from gamma-irradiated peanuts (Arachis hypogaea L.) of the golden and bari varieties.
abstract: Two varieties of peanuts were irradiated to 4, 6 and 8 kGy with Co(60). Their proximate compositions remained unaffected, but microbes were eliminated completely after irradiation to 8 kGy. HPLC was used to study tocopherols of irradiated and unirradiated oil samples. There were dose-dependent differences in physico-chemical values between the control and irradiated samples. Significant changes in tocopherol concentrations and peroxide values in the oils were observed after irradiation to 8 kGy. Fatty acid compositions did not change significantly. The study has shown that irradiation is an effective tool in preservation of peanut oil.
authors.affiliation: Department of Chemistry and Biochemistry, University of Agriculture, Faisalabad 38040, Pakistan. ijazchem@yahoo.com
authors.forename: Ijaz Ahmad
authors.initials: IA
authors.lastname: Bhatti
authors.forename: Syra
authors.initials: S
authors.lastname: Ashraf
authors.forename: Muhammad
authors.initials: M
authors.lastname: Shahid
authors.forename: Muhammad Rafique
authors.initials: MR
authors.lastname: Asi
authors.forename: Shahid
authors.initials: S
authors.lastname: Mehboob
mesh_terms: D005720:Gamma Rays; D010084:Oxidation-Reduction; D000074241:Peanut Oil; D010938:Plant Oils / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D000074241:Peanut Oil; D010938:Plant Oils