Oxidative stability of Opuntia ficus-indica seeds oil blending with Moringa oleifera seeds oil☆
2020
Salama Mohamed Abdelbaset | El Harkaoui Said | Nounah Issmail | Sakr Hazem | Abdin Mohamed | Owon Mostafa | Osman Mohamed | Ibrahim Awatif | Charrouf Zoubida | Matthäus Bertrand
Enhancement of the oxidative stability of cactus seeds oil by blending with moringa seeds oil was investigated during storage period for four weeks at 50 °C. Blends (25, 50 and 75%) of moringa seeds oil with cactus seeds oil were prepared. Fatty acids composition, induction period, peroxide value, specific extinction coefficients (K232 and K270) and tocopherols were studied. Blending moringa seeds oil with cactus seeds oil at 25:75% increases the induction period to 4.06 h while it was 3.16 h in 100% cactus seeds oil. Peroxide values decreased due to increase moringa seeds oil amount in blends. Also, adding moringa seeds oil to cactus seeds oil caused a decrease in K232 and K270 values during the storage period in comparison with 100% cactus seeds oil. α-tocopherol values decreased during storage for all oil blends, while the content of γ-tocopherol in all samples (except moringa seeds oil) increased during storage period reaching the highest level after the third week then it started to decrease. Therefore, the obtained results provided a potential approach to utilize moringa oil to increase the oxidative stability of edible oils.
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