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首页> 外文期刊>Journal of Veterinary Medicine, A. Animal Physiology,Pathology and Clinical Veterinary Medicine, A >Effect of citric acid supplements to a maize-soya diet on the in vitro availability of minerals, trace elements, and heavy metals
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Effect of citric acid supplements to a maize-soya diet on the in vitro availability of minerals, trace elements, and heavy metals

机译:玉米大豆饮食中柠檬酸补充剂对矿物质,微量元素和重金属的体外有效性的影响

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摘要

The effect of increasing supplements of citric acid (CTA) on the in vitro availability of minerals (Ca, Mg), trace elements (Mn, Zn) and heavy metals (Pb, Cd) was examined. Phytate-rich diets (0.8%) based on maize, soyabean oilmeal, maize starch andsoyabean oil (containing Ca 5.0 g, Mg 1.2 g, Mn 50 mg, Zn 22 mg, Pb 10 mg and Cd 5 mg/kg diet) were supplemented with 0, 1, 2, 3 and 4% CTA. All diets were treated in a multi-enzyme in vitro system followed by equilibrium dialysis after peptic and pancreatic digestion. Under the conditions investigated, dietary addition of CTA enhanced dialysability of Ca, Mg, Mn and Zn. A dose-dependent increase of Pb and Cd dialysability due to CTA supplementation was evident.
机译:研究了增加柠檬酸(CTA)补充剂对矿物质(Ca,Mg),微量元素(Mn,Zn)和重金属(Pb,Cd)的体外利用率的影响。补充了以玉米,大豆油粉,玉米淀粉和大豆油为基础的富含磷酸盐的饮食(0.8%)(含Ca 5.0 g,Mg 1.2 g,Mn 50 mg,Zn 22 mg,Pb 10 mg和Cd 5 mg / kg饮食)具有0、1、2、3和4%的CTA。所有饮食均在体外多酶系统中进行处理,然后在消化和胰消化后进行平衡透析。在调查的条件下,饮食中添加CTA可以增强Ca,Mg,Mn和Zn的透析能力。明显的是,由于添加了CTA,Pb和Cd的透析能力呈剂量依赖性增加。

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