云南金平小米辣微量元素含量分析

Analysis of minor elements in xiaomi capsicum frutescensL in Jinping, Yunnan province

用原子吸收光谱法测定云南省金平县猛拉、营盘、马鞍底、地西北和勐桥5个地方的小米辣中Fe、Zn、Cu、Co、Cr、Ni等微量元素的含量,方法的相关系数在0.9986～1.0000之间,相对标准偏差在0.43%～1.86%之间,回收率在97.20%～107.15%之间,分析结果满意。结果表明:Fe是马鞍底小米辣最高,Zn、Cu、Co是地西北小米辣最高,Cr、Ni是猛拉小米辣最高。Fe在测定的元素中含量最高,平均含量为38.60mg/kg,其次是Zn,平均含量为13.35mg/kg,Cu平均含量为11.46mg/kg,Co、Cr、Ni含量相对较低,其含量顺序为Fe>Zn>Cu>Ni>Cr>Co。小米辣不仅可以调味,还可以补充人体必需的微量元素Fe、Zn、Cu、Co、Cr、Ni等。

The content of Fe, Zn, Cu, Co, Cr and Ni in xiaomi capsicum frutescensL in Mengla, Yingpan, Maandi, Dixibei and Mengqiao of Jinping county, Yunnan province were analyzed by flame atomic absorption spectroscopy （FAAS）. The correlation coefficient of the method was 0.9986～1.0000, the related standard deviation was 0.43%～1.86%, and the recovery yield was 97.20%～107.15%. Analysis results indicated that the content of Fe in Maandi, the content of Zn, Cu and Co in Dixibei, and the content of Cr and Ni in Mengla capsicum frutescensL were the highest, respectively. The highest content element was Fe, the average content of which was 38.60 mg/kg. The content of Zn and Cu was lower, the average content of which was 13.35 mg/ kg and 11.46 mg/kg. The content of Co, Cr and Ni was the lowest. The content order was FeZnCuNiCr Co. Xiaomi capsicum frutescensL can not only be as sauce, but also supply biogenic minor elements of Fe, Zn, Cu, Co, Cr and Ni.