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http://dx.doi.org/10.3746/jkfn.2017.46.6.744

Comparison of Reduced Acrylamide Formation in Chips Fermented with Different Cultivar Potatoes by Bacillus subtilis  

Yeo, Seoungsoon (Department of Food Science and Nutrition, Dankook University)
Yim, Sangeun (Department of Food Science and Nutrition, Dankook University)
Jin, Yong-Ik (Highland Agriculture Research Institute)
Chang, Dong-Chil (Highland Agriculture Research Institute)
Chang, Yoon Hyuk (Department of Food and Nutrition, Kyung Hee University)
Lee, Youngseung (Department of Food Science and Nutrition, Dankook University)
Jeong, Yoonhwa (Department of Food Science and Nutrition, Dankook University)
Kim, Misook (Department of Food Science and Nutrition, Dankook University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.46, no.6, 2017 , pp. 744-750 More about this Journal
Abstract
Acrylamide is a probable human carcinogen and can be formed during frying of starchy foods. The objective of this study was to investigate the effects of acrylamide reduction in storage potato chips by fermentation of Bacillus subtilis and compare its usefulness with four different cultivars of storage potatoes (Goeun, Atlantic, Saebong, and Jinsun). Potato slices were fermented by B. subtilis at $37^{\circ}C$ for 0, 2, and 4 h and fried at $180^{\circ}C$ for 115 s. The total sugar contents of the fermented potato slices did not change compared to the control. However, reducing sugar contents increased in the fermentation solution containing potato slices. Asparagine contents of Saebong and Jinsun potato slices decreased with fermentation time. Color values of the fermented potato chips were improved compared to those of non-fermented potato chips. The highest $L^*$ value was found in Saebong (57.4), followed by Goeun (56.7), Jinsun (52.5), and Atlantic (48.8) after 4 h of fermentation. Potatoes stored for 240 days generated considerable amounts of acrylamide, ranging from 4.99 to 10.38 ppm, after frying. Four hours of fermentation reduced acrylamide formation in all potato chips. The lowest acrylamide content was found in Saebong (0.77 ppm), followed by Jinsun (1.21 ppm), Goeun (1.76 ppm), and Atlantic (4.09 ppm). In conclusion, fermentation of storage potatoes by B. subtilis can effectively lower acrylamide formation during frying of potato chips.
Keywords
storage potato; potato chips; acrylamide; fermentation; Bacillus subtilis;
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Times Cited By KSCI : 5  (Citation Analysis)
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