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用原子吸收光谱法测定了乌鲁木齐地区居民冬季19种常用食物中钾、钠、钙、镁、铁、锰、铜、锌等8种矿质元素的含量,结果表明,不同食物中各种矿质元素的含量不同。同一种食物中各矿质元素含量的变异系数一般都在10%以上,表明食物中各元素合量受环境条件的影响。乌鲁木齐居民冬季食物中钙、铁、铜、锌均有不同程度的缺乏,尤以钙、铁、铜为甚。因此,一方面要适当补充这些矿质元素,另一方面要采取降低食物中影响矿质元素的成分的措施,通过合理加工等办法,提高矿质元素的生物有效性。牛奶中除钙、钾含量较高外,铁、锌、铜、锰、镁的含量均不能满足小儿生长发育的需要,故乳制品应加以强化。
The contents of potassium, sodium, calcium, magnesium, iron, manganese, copper, zinc and other 8 kinds of mineral elements in 19 common foods for winter residents in Urumqi were determined by atomic absorption spectrometry. The results showed that the contents of various mineral elements Different content. The same food in the mineral elements of the coefficient of variation are generally more than 10%, indicating that the amount of each element in the food by environmental conditions. Urumqi winter food calcium, iron, copper, zinc have varying degrees of lack of, especially calcium, iron, copper is even worse. Therefore, on the one hand, these mineral elements should be properly replenished, on the other hand, measures should be taken to reduce the ingredients that affect the mineral elements in food and to increase the bioavailability of the mineral elements by means of rational processing. Milk in addition to calcium, potassium content higher, iron, zinc, copper, manganese, magnesium content can not meet the needs of children’s growth and development, so dairy products should be strengthened.