藏雪莲水母雪兔子中矿质元素的测定与分析

摘要

经HNO3/H2 O2湿法微波消解制样,利用全谱直读电感耦合等离子原子发射光谱法(ICP-OES),分析测定了青藏高原地区产藏雪莲水母雪兔子中的矿质元素.结果显示,藏雪莲水母雪兔子中含有K、Ca、P、Mg、Al、S、Fe、Si、Na、Mn、Ti、Sr、Ba、B、Zn、Cu、Cr等17种矿质元素,定量分析结果相对标准偏差RSD值在0.60％～7.25％之间.与普通食物相比较,藏雪莲水母雪兔子中人体必需元素Ca、Mg、Fe、Mn的含量非常丰富,分别为1724.4 mg·(100 g)-1、386.5mg·(100 g)-1、165.5mg·(100 g)-1、8.54 mg·(100 g)-1.分析结果可为藏雪莲水母雪兔子的相关研究提供参考.%Using wet microwave digestion procedure with HNO3/H2O2 to prepare samples,the mineral elements in Saussurea medusa Maxim, from the Qing-Tibet plateau were completely determined and analyzed by inductively coupled plasma optical emission spectrometer(ICP-OES). The results showed there were 17 mineral elements in Saussurea medusa Maxim.. They were K,Ca,P?Mg, Al,S,Fe,Si?Na,Mn,Ti,Sr,Ba,B,Zn,Cu and Cr. The RSD of the determining result was between 0. 60% and 7. 25%. Compared to daily foods,the Saussurea medusa Maxim, is very rich in Ca, Mg, Fe and Mn, which are parts of necessary metals of the human body. Their qualities were 1724. 4 mg ? (100 g)-1,386. 5 mg ? (100 g)-1 ,165. 5 mg ? (100 g)-1 and 8. 54 mg ? (100 g)-1, respectively. These results provided some reference to relative research of Saussurea medusa Maxim..