Oxidation of Sunflower Oil Using Annona Squamosa and Vangueria Madagascariensis Methanolic Extracts
Abstract
Sara El Kheir Mustafa Fadul, Yousif Mohamed Ahmed and Abdalbasit Adam Mariod
The purpose of this study was to assess how Annona squamosa Gishta and Vangueria madagascariensis Kikir methanolic extract affected sunflower oil stabil-ity.Measurements of the formation of peroxide value PVs and the Conjugated Diene CD Test were used to assess the impact of Annona squamosa(Gishta) and Vangueria madagascariensis (Kirkir) Methanolic extracts (Leaves, seed cake and bark) on the ox-idative stability of sunflower oil stored in the dark at 70°C for 72 hours, in compari-son to the control and BHT(butylated hydroxytoluene). The best oxidative stability was demonstrated by plant extracts of Gishta and Kirkir leaves (500 mg), which reduced PVs and decreased C D. These extracts also successfully prevented the formation of peroxides in sunflower oil when compared to 20 mg of BHT.