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Articles by Gehan A. El-Shourbagy
Total Records ( 1 ) for Gehan A. El-Shourbagy
  G. Abdulla , Gehan A. El-Shourbagy and Mahmoud Z. Sitohy
  Frying of sweet potato slices is carried out to convert the roots to value added products. Frying method brings out unique flavor and texture to the products that improve their overall acceptability. The aim of this work was to determine the effect of some pretreatments on moisture, vitamin C content and color and oil absorption of fried sweet potato chips. Prior frying, sweet potato slices were pre-dried and blanched and pre-dried or treated with 0.1% citric acid solution and pre-dried. The pre-drying treatments were carried out at 70°C for 0, 30, 50 and 70 min. The mean of moisture content of the dried, blanched and citric acid treated chips were in the range of 1.38-1.91, 1.04-1.41 and 1.35-1.88%, respectively. While, the fat content in the same samples ranged between 12.57-14.23, 14.09-17.92 and 12.31-14.54%, respectively. Vitamin C content in fried sweet potato chips pre-dried only, blanched and pre-dried and citric acid treated and pre-dried ranged between 17.43-40.50, 9.23-29.23 and 19.87-44.93 mg 100 g-1, respectively. The samples pre-dried only gave darker chips compared to that blanched and pre-dried or citric acid treated and pre-dried. Fried sweet potato chips treated with citric acid and pre-dried for 50 min had the best sensory scores for all sensory quality attributes.
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