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超高效液相色谱法测定柑橘果肉中四种植物性内源激素的含量

Hubei Agricultural Sciences(2012)

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Abstract
利用超高效液相色谱法同时测定柑橘(Citrus reticulate Bance)果肉中的玉米素、赤霉素、吲哚乙酸和脱落酸的含量.以C8色谱柱,甲醇-0.1%冰乙酸为流动相梯度洗脱,检测波长为262 nm,流速0.22 mL/min.结果表明,玉米素含量在0.14~0.38 μg/mL间线性关系良好,R2为0.999 5,平均回收率为98.7%,RSD为0.99%;赤霉素含量在0.67~1.79 μg/mL间线性关系良好,R2为0.999 3,平均回收率为98.6%,RSD为0.70%;吲哚乙酸含量在0.25~0.67 μg/mL间线性关系良好,R2为0.999 6,平均回收率为99.0%,RSD为0.68%;脱落酸含量在0.036~0.096 μg/mL间线性关系良好,R2为0.999 9,平均回收率为99.1%,RSD为0.61%.该方法简便、快速、精密度高、准确性好,可用于植物样品中激素含量的测定.
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