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http://dx.doi.org/10.7318/KJFC.2009.24.3.344

Characteristic and Stability of Lipids in Yackwa at Various Shortening Ratios  

Kim, So-Won (Department of Hotel Cookery, Cheju Halla College)
Kim, Myong-Ae (Department of Food and Nutrition, Dongduk Women's University)
Publication Information
Journal of the Korean Society of Food Culture / v.24, no.3, 2009 , pp. 344-349 More about this Journal
Abstract
The principal objective of this study was to assess the effects of various ratios of sesame oil to shortening on the characteristics and stability of lipids in Yackwa. The sesame oil to shortening ratios assessed herein were 100:0, 75:25, 50:50, and 1:100. The lipid contents of Yackwa prepared with various shortening ratios ranged from 25.20 to 29.12%. The lipids in these Yackwa consisted primarily of the frying oil (soybean oil), and the oil contents were measured between 84-90%. The fatty acid compositions of the lipids in the Yackwa were unrelated to the ratio of shortening. The fatty acid compositions were as follows: linoleic acid 49.1-51.27%, oleic acid 26.05-26.77%, palmitic acid 10.07-11.71%, linolenic acid 5.51-5.72% and stearic acid 4.51-4.68%. These compositions were similar to that of soybean oil, which was the frying oil used to prepare the Yackwa. The acid value, peroxide value, and carbonyl value of the lipids in Yackwa did not differ with the various shortening ratios used during the storage time. Stability of lipids in Yackwa were mainly effected by frying oil. Our results suggest that shortening should prove useful as a substitute for sesame oil in the preparation of Yackwa.
Keywords
Yackwa; shortening; sesame oil;
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