Abstract：Nine elements in Choerospondias axillaris flesh, peels, aqueous extractives and gastric digesta were determined by the inductively coupled plasma atomic emission spectrometry (ICP-AES) in the present study. The results showed that the contents of Fe, Ca, Zn, Mn, Al, Mg, Cu, K and P in the flesh were 27.37, 269.88, 1.51, 2.45, 1.95, 195.30, 2.45, 2 970.11, and 133.94 μg·g-1, respectively. They are lower than that in the peels, about 40.31%, 11.70%, 21.68%, 4.27%, 10.58%, 15.76%, 68.72%, 42.04%, and 22.59%, respectively. For microwave assistant extraction, the release rate of Mn was highest (81.68%), while Fe was lowest (4.42%) in the flesh. The release rate of Zn was the highest (79.00%), while that of Al was the lowest (4.94%) in the peels. Except Fe, Cu and Zn, the release rates of the other elements in flesh were higher than those in the peels. After gastric digestion, the release rates of nine elements were 3.25%~87.51% in the flesh and 7.11%~50.69% in the peels. The release rates of minerals in the flesh were found to be higher than those in the peels except Fe and Cu. Microwave assistant extraction can more efficiently release Fe, Ca, Mn, Mg and K from the flesh than the gastric digestion do. While gastric digestion had a significant effect on the peels, the release rates of elements, except Zn, were higher than those in microwave assistant extraction. Therefore, the difference of distribution and release of mineral elements between peels and flesh of Choerospondias axillaris was understood, which will provide a positive guide for further study of bioavailability of minerals for human body.
翟宇鑫1，陈 军1，李 俶1*，刘继延2，王谢祎1，程 超1，刘成梅1 . ICP-AES法测定南酸枣及其提取物中矿质元素含量 [J]. 光谱学与光谱分析, 2015, 35(04): 1052-1055.
ZHAI Yu-xin1, CHEN Jun1, LI Ti1*, LIU Ji-yan2, WANG Xie-yi1, CHENG Chao1, LIU Cheng-mei1 . Determination of Mineral Elements in Choerospondias Axillaris and Its Extractives by ICP-AES . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2015, 35(04): 1052-1055.
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