الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
the degumming process of the different origins of SBO has been discussed. The source of the oil seeds wasused to illustrate the characteristics that could affect the oil losses during the degumming step. It has been noticedthat the oil loss can be lowered according to the amount of PL present in the SBO. However, SBO processed byconventional degumming gives rise to losses that are always proportional to the amounts of PL. The incrementof the amount of free fatty acids content after the enzymatic degumming process is considered a yield gain in the enzymatic degummed oil.The divalent metals content and FFA of the SBO have a negative effect on the yield gain of the Enzymatic degumming process. It was found that the origin of the oil highly affects the optimum dose ofthe enzyme used; however, the optimum reaction time of the degumming process using Quara LowP was found to be 4 h to give the more stable oil loss. Finally, the value added was calculated in terms of Egyptian pounds as a back investment, especially for the used enzyme in the degumming process.