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NaFeEDTA Fortified Soy Sauce Showed Higher Iron Absorption Rate in Chinese Females.pdf

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NaFeEDTA Fortified Soy Sauce Showed Higher Iron Absorption Rate in Chinese Females

BIOMEDICALAND ENVIRONMENTAL SCIENCES 20，126-130(2007) NaFeEDTA Fortified Soy Sauce Showed Higher Iron Absorption Rate in Chinese Females’ JUN-SHENG HUO，XIAO—GUANG YANG JtaN—HUA PIAO，JUN—QuAN GAO， HONG MIAO，BO YU，CHENG-QIAN LU，AND JUN—SHI CHEN Institute ofNutritonandFoodSafety,Chinese CenterforDisease Controland Prevention， Beijing／OO050,China Objective NaFeE【 A was considered as a promising iron fortifcant for controling iron defieiency anemia．Soy sauce is a suitablefood carierforironfortificationandis apopularcondimentinChina．Iron absorption rates ofNaFeEDTAandFeSO4 were observed and compared in adult female subjects． Methods The stable isotope tracer method was used in Chinese females consuming a typical Chinese diet．11en healthy young Chinese women were selected as subiects in the 15-day study．A plant．based diet was used based on the dietary patern of adult women in the 1992 National Nutrition Survey．Six miligram of 54Fein eSOd soy sauceand 3mg FeinNa eEDTA soy saucewere giventothe same subjectsintwo days．Food samples and fecal sam ples were collected and analyzed． Results Iron absorption rates of NaFeEDTA and FeSOd were 10．5 l％士2．83 and 4．73％+2．15 respectively．The Fe(NaFeEDTA)absorption was significantly higher than that of e(FeSO4)(PO．01)． 111e iron absorption rate from NaFeEDTA was 1．2 times hi曲er than that from FeSO4 in Chinese adult women consuming a typ ical Chinese diet． Conchsion Th e higher absorption rate of NaFeEDTA suggested that N 1eEDTA would be a be ter ironfordfieantused in soy sauceforthecontroling ofirondeftciencyan emi ain China． Key word：NaFeEDTA；FeS04；Iron absorption；Stable isotopes；Dietary patern INTRODUCTION NaFeEDTA．as an iron fortificant．was reported to have less adverse efects than that of commonly used iron salts on the organ oleptic profiles of the food vehicle such as taste and color?．Animal and human studies suggested that iron absorption of NaFeEDTlA was higher than tIlat of other iron salts such as ferrous sulfate especiall