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Determination of gibberellin abbeymycin and abscisic acid in cucumber by high-performance liquid chromatography

CHEN Xiao-peng~(1,2),WANG Xiu-feng~1 ,SUN Xiao-lei~2,ZHAO Zhi-zhong~2(1.College of Horticulture,Shandong Agricultural University,Taian 271018,China;2.Institute of Vegetable Research,Shandong Academy of Agricultural Sciences,Jinan 250100,China)  
Luhuanggua 9 was used as materials for detection of gibberellin abbeymycin (GA_3) and abscisic acid(ABA) by high-performance liquid chromatography(HPLC).The test materials were grinded in liquid nitrogen and lixiviated in acetonitrile,then pigment was eliminated in chloroform,phenolic was compounded in polyving pyrrolidone(PVP). Phytohormones were extracted in ethyl acetate, and finally PT-C_(18) column were used for further purification. GA_3 and ABA were separated and quantified by μ-Band pak C_(18) reversed HPLC with methanol-water at a flow rate of 0.8 ml/min.Detection was made by a UV detector at 252 nm.The frequency of reclamation was GA_3: 80.12% and ABA:81.33%.
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