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http://dx.doi.org/10.9721/KJFST.2011.43.6.683

Influence of Cooking on Nutrient Composition in Provitamin A- Biofortified Rice  

Lee, Young-Tack (Department of Food Science and Biotechnology, Kyungwon University)
Kim, Mi-Hyun (Department of Food Science and Biotechnology, Kyungwon University)
Im, Ji-Soon (Department of Food Science and Biotechnology, Konyang University)
Kim, Jae-Kwang (National Academy of Agricultural Science, Rural Development Administration)
Ha, Sun-Hwa (National Academy of Agricultural Science, Rural Development Administration)
Lee, Si-Myung (National Academy of Agricultural Science, Rural Development Administration)
Kweon, Soon-Jong (National Academy of Agricultural Science, Rural Development Administration)
Suh, Seok-Chul (National Academy of Agricultural Science, Rural Development Administration)
Publication Information
Korean Journal of Food Science and Technology / v.43, no.6, 2011 , pp. 683-688 More about this Journal
Abstract
This study was conducted to investigate the effects of different cooking methods on the nutrient composition of genetically modified (GM) provitamin A(PA)-biofortified rice. PA-biofortified rice was subjected to different cooking methods, namely boiling and a soaking, steaming and roasting process. The proximate components (starch, protein, lipid and ash) of raw PA-biofortified rice were similar to those found in the parental non-GM rice, and were not significantly affected by a conventional boiling treatment. When compared with raw rice, boiled PA-biofortified rice showed a similar nutrient composition, despite a slight reduction in a majority of its amino acid contents. However, the PA-biofortified rice that underwent the soaking/steaming/roasting process exhibited a significant reduction in a majority of its amino acids and mineral contents. This procedure also led to a significant reduction in carotenoid contents. The overall results of this study demonstrate that using a conventional boiling method for PA-biofortified rice retains nutrients better than a soaking/steaming/roasting method.
Keywords
genetically modified (GM); provitamin A-biofortified rice; cooking; nutrient composition; carotenoids;
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Times Cited By KSCI : 6  (Citation Analysis)
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