HPLC-ELSD测定灵芝及其孢子粉中胆碱质量分数
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TS207.3

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Determination of Choline in Ganoderma lucidum and Its Spore Powder by HPLC-ELSD
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    摘要:

    建立了一种运用高效液相色谱-蒸发光散射检测器(HPLC-ELSD)测定灵芝及其孢子粉中胆碱含量的方法。实验采用Agilent公司ZORBAX 300-SCX阳离子交换色谱柱(4.6 mm×250 mm,5 μm),柱温30 ℃,流动相为乙腈-乙酸铵溶液,等度洗脱,流量为1.0 mL/min,进样量为10 μL;蒸发光散射检测器检测,漂移管温度为60 ℃,喷雾器为模式加热,雾化气为净化空气,气体压力为172.4 kPa。研究结果表明,该方法精密度、重复性、稳定性和回收率均良好,在6.25~200 μg/mL范围内胆碱具有良好的线性关系,检出限为6 μg/mL,定量限为12 μg/mL,是一种快速高效检测灵芝及其孢子粉中胆碱的方法。

    Abstract:

    To establish an HPLC-ELSD method for determining the content of choline in Ganoderma lucidum spore powder. The experiment using Agilent company ZORBAX 300-SCX cation exchange chromatography column(4.6 mm×250 mm,5 μm)as the stationary phase,the column temperature was set at 30 ℃,the mobile phase was 0.3% acetonitrile - ammonium acetate solution(60∶40),with isocratic elution,the flow rate was 1.0 mL/min,the injection volume was 10 μL,the detector was evaporative light -scattering detector(ELSD),the drift tube temperature of the ELSD was set at 60 ℃,the spray mode was heated,and the purifying air pressure was 172.4 kPa. Research results show that the method precision,repeatability,stability and recovery rate are good.The choline showed a good linear relationship in the range of 6.25~200 μg/mL. The limit of detection was 6 μg/mL,and the limit of quantitation was 12 μg/mL.The results show tant it is a fast and efficient analysis method to determinate the content of choline in Ganoderma lucidum spore powder .

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王亚涛,刘艳芳,张芝华,张忠,张劲松,王晨光,周帅,唐庆九. HPLC-ELSD测定灵芝及其孢子粉中胆碱质量分数[J].食品与生物技术学报,2018,37(1):33-37.

WANG Yatao, LIU Yanfang, ZHANG Zhihua, ZHANG Zhong, ZHANG Jingsong, WANG Chenguang, ZHOU Shuai, TANG Qingjiu. Determination of Choline in Ganoderma lucidum and Its Spore Powder by HPLC-ELSD[J]. Journal of Food Science and Biotechnology,2018,37(1):33-37.

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  • 在线发布日期: 2018-03-08
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