文献类型: 外文期刊
第一作者: Tang, Jianwei
作者: Tang, Jianwei;He, Zhonghu;Zhang, Yong;Tang, Jianwei;Qu, Yanying;Zou, Chunqin;Shi, Rongli;He, Zhonghu;Ortiz-Monasterio, Ivan
作者机构:
关键词: Common wheat;Mineral element;Fe;Zn;Phosphorus;Milling fraction
期刊名称:JOURNAL OF CEREAL SCIENCE ( 影响因子:3.616; 五年影响因子:3.891 )
ISSN: 0733-5210
年卷期: 2008 年 48 卷 3 期
页码:
收录情况: SCI
摘要: Malnutrition related to micronutrient deficiency can create immense economic and societal problems. The objective of this study was to quantify the mineral element concentration distribution in milled fractions, using 43 common wheat (Triticum aestivum L.) cultivars sown in Jinan, China during the 2005-2006 crop season. All 43 cultivars had low Fe (average 28.2 mg Kg(-1)) and Zn (28.6 mg Kg(-1)) concentrations, and wide ranges of variation for mineral element concentrations. Highly significant effects among milling fractions and cultivars on all traits were observed, with fraction effect being the larger. There was an uneven distribution of mineral element concentrations in wheat grain. Shorts and bran fractions had the highest mineral element concentrations, whereas flours from break and reduction had low concentrations. Compared with those in the central endosperm, the concentration of inorganic phosphorus (Pi) decreased the most with decreasing flour yield, whereas the concentration of phytic acid P (PAP), phytase activity, and Ca decreased the least. Pi was the most concentrated element in the aleurone, whereas PAP, phytase activity, and Ca were the least, compared to those in the central endosperm. Milling technique through adjusting flour yield can be used to improve the element composition of flour. (C) 2008 Elsevier Ltd. All rights reserved.
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