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Abstract:
以4-氟-7-硝基-2,1,3-苯并氧杂恶二唑(NBD-F)为衍生化试剂,建立了食品中5种痕量生物胺(色胺、组胺、酪胺、亚精胺、精胺)的毛细管电色谱-激光诱导荧光检测(CEC-LIF)分析方法。采用50 mmol/L硼酸盐缓冲溶液(pH 8.0)作为衍生介质,在75℃条件下对生物胺进行衍生化反应25 min。生物胺衍生产物的最优色谱条件:固定相为C18毛细管电色谱柱,流动相为乙腈-乙酸铵(20 mmol/L,pH 8.0)(75∶25,v/v),辅助压力为6.9 MPa,分离电压为-8 kV,流速为0.03 mL/min。实验结果表明,生物胺的检出限(LOD,S/N=3)为0.1~1.0μg/...
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色谱
Year: 2017
Issue: 03
Volume: 35
Page: 344-350
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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