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KMID : 1134820100390071078
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Journal of the Korean Society of Food Science and Nutrition
2010 Volume.39 No. 7 p.1078 ~ p.1082
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Substantial Estimated Availability and NDF-Bound Trace Minerals (Fe, Zn, Cu, and Mn) Contents of Seven Different Seaweeds
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Kwak Yeon-Hwa
Kim Dae-Jin
Kim Hyeong-Soo
Choi Su-Jin
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Abstract
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The substantial trace mineral usabilities of seven seaweeds for nutrient evaluation have been studied. As the neutral detergent fiber (NDF) bound trace minerals have been known to be indigestible, these contents were excluded in the digestible trace mineral contents evaluation. Therefore, those four trace mineral contents in seven seaweeds and their NDF-bound contents were estimated. Consequently, the NDF-bound Zn, Cu and Mn contents, except Fe, in seven seaweeds were between 10 and 20% of total trace mineral contents, thus 80～90% of seaweeds trace minerals were observed to be substantially digestible. Although the average estimated availability of Fe in the seaweeds were relatively low, those Zn, Cu and Mn were high in relative to those total contents. Thus, even with consideration of their digestibility, seaweeds could be one of good sources of trace minerals for human nutrition because of their high availabilities of Zn, Cu and Mn.
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KEYWORD
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trace minerals, seaweeds, NDF-bound minerals, estimated availability
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