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液相色谱法测定香蕉中赤霉素残留
引用本文:张学强,陈歆,何秀芬. 液相色谱法测定香蕉中赤霉素残留[J]. 热带作物学报, 2013, 33(5): 64-66
作者姓名:张学强  陈歆  何秀芬
作者单位:1 中国热带农业科学院分析测试中心 海南海口 571101;2 中国热带农业科学院环境与植物保护研究所 海南儋州 571737;1 中国热带农业科学院分析测试中心 海南海口 571101
摘    要:建立香蕉中赤霉素残留量的测定方法。样品经甲醇提取,使用石油醚进行脱色,经C18固相萃取小柱净化后,使用高效液相色谱法(紫外检测器)进行测定。方法检出限为0.1 mg/kg,在0.50~10.0 mg/kg添加水平,回收率为86% ~105%,相对标准偏差为2.0%~4.8%。

关 键 词:高效液相色谱法   赤霉素   香蕉

Determination of Gibberellin Residue in Banana by High Performance Liquid Chromatography
Affiliation:1 Analysis and Testing Center, CATAS, Haikou, Hainan 571101, China;2 Environment and Plant Protection Institution, CATAS, Haikou, Hainan 571101, China;1 Analysis and Testing Center, CATAS, Haikou, Hainan 571101, China
Abstract:A method for the determination of gibberellin residue in banana sample was established with high performance liquid chromatogram coupled ultraviolet detector (HPLC-UVD). Residues of gibberellin were extracted from sample with methanol. After been cleaned up, the final extract was injected into HPLC-UVD. The detection limit was 0.1 mg/kg, Precision and recovery tests were made at the spike level of 0.50~10.0 mg/kg, and the results were as follows: recoveries in the range of 86%~105%, relative standard deviation 2.0%~4.8%.
Keywords:high performance liquid chromatogram    gibberellin    banana
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