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http://dx.doi.org/10.9799/ksfan.2014.27.2.219

Changes in the Chemical Components and Antioxidant Activity of Peach (Prunus persica L. Batsch) by Hot Air Treatment  

Lee, Kyung-Haeng (Dept. of Food and Nutrition, Korea National University of Transportation)
Jang, Hyun-Jung (Dept. of Food and Nutrition, Korea National University of Transportation)
Lee, Yu-Jin (Dept. of Food and Nutrition, Korea National University of Transportation)
Choi, Ji-Hye (Dept. of Food and Nutrition, Korea National University of Transportation)
Publication Information
The Korean Journal of Food And Nutrition / v.27, no.2, 2014 , pp. 219-224 More about this Journal
Abstract
To increase the shelf-life of domestic peach, peaches were treated with hot air ($46^{\circ}C$) for 0~9 hours and the changes in the major components contents and antioxidative activities were investigated. Ascorbic acid content of the control and hot air treatments were 13.81 mg% and 11.73~14.16 mg% respectively, however, there was no significant difference between them. The contents of polyphenols of the control and hot air treatments were 22.64 mg% and 19.03~23.19 mg% respectively, but there was no significant difference between them. The contents of polyphenols of the control were slightly lower than those of hot air treatments during storage. Also the contents of flavonoid were not significantly different among the control and hot air treatments. The detected free sugars of the control and hot air treatments were fructose, glucose, maltose and sucrose. Among the free sugars detected, sucrose content was the highest and free sugar content did not change during storage periods. Furthermore, antioxidative activities were not different among the control and hot air treatments.
Keywords
peach; hot air; chemical component; antioxidative activity;
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Times Cited By KSCI : 5  (Citation Analysis)
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