[目的]分析测定薯莨(Dioscorea cirrhosae Lour.)块茎中的氨基酸和矿质元素的种类及含量,评价薯莨的营养价值,为薯莨的开发利用提供理论依据.[方法]采用高效液相色谱法测定氨基酸含量;采用电感耦合等离子质谱法测定矿质元素含量.[结果]测得氨基酸16种,必需氨基酸占氨基酸总量的37.98%,其中天冬氨酸、谷氨酸、亮氨酸含量较高,居于前3位,蛋氨酸含量最低;薯莨块茎中富含K、Ca、Na、P和Mg 5种常量元素和B、Mn、Mo、Co、Ni、Cr、Cu、Se、Fe、Sr、Zn、Ba、Cd和Li 14种微量元素.[结论]测得署莨块茎中富含多种营养成分及药效成分,该研究为薯莨的开发利用提供了理论依据.%[ Objective] To analyze and determine the compositions of amino acids and mineral elements in Rhizoma Dioscorea Cirrhosae tuber,so as to provide theoretical evidence for the development of rhizome of Dioscorea cirrhosa Lout. [ Method ] Contents of amino acids were determined by high-performance liquid chromatography and that of mineral elements were determined by inductively coupled plasma mass spectrometry. [ Result ] Sixteen amino acids were obtained and lowest in methianine,the content of essential amino acids was 37.98％ ,of which the content of as partic acid,glutamic acid and leucine ranked the first,second and third respectively. Dioscorea cirrhosa Lour. tuber were rich in five constant elements K,Ca,Na, P and Mg as well as fourteen trace elements B, Mn, Mo, Co, Ni, Cr, Cu, Se, Fe, Sr, Zn, Ba, Cd and Li. [ Conclusion ] Dioscorea cirrhosa Lour. tuber are rich in plenty of nutrient components and pharmacodynamic elements, and this case provides theoretical evidence for the development of Dioscorea cirrhosa Lour. tuber.
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