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— Oil refining process includes several phases including degumming, neutralization, bleaching, and deodorization (Al-Zahrani and Daous, 2000).Bleaching is the most crucial among these phases as it improves the final oil products' visual aspect, taste, flavor, and consistency (Nguetnkam et al., 2008; Rossi et al., 2003; Tsai et al., 2003).In …