摘要
目的了解西安市市售常见蔬菜水果中微量元素含量,为指导人们的健康饮食提供参考数据。方珐采用原子吸收光谱法测定26种蔬菜和5种水果中的钙、镁、锌、铁、锰、铜、铅等元素含量。结果样品中钙含量前三位的蔬菜为白蒿、芹菜、青菜,钙含量最高的水果为橙子;镁含量前三位的蔬菜为白蒿、红薯、菠菜,镁含量最高的水果为香蕉;铁含量最高的蔬菜、水果分别为白蒿、菠萝;锌含量最高的蔬菜和水果分别为莴笋和苹果;铜元素含量最高的蔬菜和水果分别为红薯和苹果;锰含量最高的蔬菜和水果分别为生姜和菠萝;铅含量前三位的蔬菜是平菇、莲花白和莴笋。钙、镁、铁、锌、铜、锰含量的变化范围分别为18.64~2728.35mg/kg、46.03~572.28mg/kg、1.45~141.46mg/kg、8.25~83.67mg/kg、0.01~4.659mg/kg、0.124~43.383mg/kg、0.148~8.384mg/kg。结论不同蔬菜、水果中微量元素含量差别较大,人们应该合理膳食、平衡营养。
Objective To investigate the contents of trace elements in ordinary vegetables and fruits sold in Xi'an and to provide reference for the guidance of healthy diet. Methods The contents of Ca, Mg, Zn, Fe, Mn, Cu and Pb in 26 kinds of vegetables and 5 [~inds of fruits were determined by atomic absorption spectrometry. Results Ca was highest in artemisia stelleriana, celery, green vegetables and orange. Mg was highest in artemisia stelleriana, sweet potato, spinach and banana. Fe was rich in artemisia stelleriana and pineapple. Zn was rich in lettuce and apple. Cu content was the highest in sweet potato and apple. Mn was in rich ginger and pineapple. Pb was rich in mushroom, cabbage and asparagus. The contents of Ca, Mg, Zn, Fe, Mn, Cu and Pb in 26 kinds of vegetables and 5 kinds of fruits were 18.64--2 728.35 mg/kg, 46.03--572.28 mg/kg, 1.45-- 141.46 mg/kg, 8.25-- 83.67 mg/kg, 0.01--4. 659 mg/kg, 0. 124--43. 383 mg/kg, and 0. 148--8. 384 mg/kg. Oonclusion There were great differences of trace element contents in different vegetables and fruits.
出处
《国外医学(医学地理分册)》
CAS
2013年第3期187-190,共4页
Foreign Medical Sciences:Section of Medgeography
关键词
蔬菜
水果
微量元素
vegetable
fruit~ trace element