KMID : 1011620200360010058
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Korean Journal of Food and Cookey Science 2020 Volume.36 No. 1 p.58 ~ p.72
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Comparison of the Processing Properties of Corn Cultivar Grown in Korea
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Lee Mi-Yeon
Lee Bo-Ram Choi Ji-Ho Park Bo-ram Choi Han-Seok Kim Jung-Tae Lee Jin-Seok Park Shin-Young
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Abstract
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Purpose: The objective of this study was to assess of processing properties of domestic corn cultivars.
Methods: Fourteen cultivars of corn were evaluated by their general composition, water absorption properties, sugar and starch composition and gelatinization properties.
Results: The yield of fine particles of raw corn was 43.32~56.88% and increased up to 85.22~95.65% by gelatinization. The fraction of coarse particles, and fraction of raw corn contain higher quantities of carbohydrate, insoluble dietary fiber and ¥â-carotene than whole corn flour. Corn cultivars contain 53.47~57.20% of starch, 53.15~69.78% of amylose and 13.37~39.02% of resistance starch. Andaok contains high quantity of carbohydrate, soluble dietary fiber, soluble solid, free sugar, total starch, and amylose, whereas Cheongdaok shows high value of red color on the surface, a high rate of fine particles, a high water absorption rate of steamed corn and high viscosity during heating and cooling. On the other hand, Pyeonggangok contains high quantities of lipid, ash, insoluble dietary fiber, ¥â-carotene and slowly digestible starch. Moreover, Pyeonggangok shows high water absorption rate both before steaming and after steaming.
Conclusion: Application of chemical and processing properties of high amylose corn cultivars might improve the yield of processing and the quality of processed food products.
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KEYWORD
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corn, cultivar, processing, starch, RVA
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