以反相高效液相色谱法分离了9种人参皂甙.操作条件为乙腈-水梯度洗脱,二极管阵列检测器检测并在202nm下提取色谱图.利用三级四极杆质谱研究了9种人参皂甙的一级质谱(主要给出相对分子质量信息)和二级质谱(提供碎片结构信息).通过它们质谱图的差异对其进行了鉴别,并将方法用于实际样品中的9种人参皂甙的定性.
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