液相色谱-串联质谱法检测9种腹泻性贝毒毒素  

Determination of 9 kinds of diarrhetic shellfish poisoning toxins by liquid chromatography-tandem mass spectrometry

作　　者：吴振兴[1] 静平[1] 曹文卿[1] 鲍蕾[1] 梁成珠[1] 宫小明[2] 

机构地区：[1]山东出入境检验检疫局,青岛266002 [2]潍坊出入境检验检疫局,潍坊261000

出　　处：《食品安全质量检测学报》2015年第8期3262-3268,共7页Journal of Food Safety and Quality

基　　金：青岛创业创新领军人才计划项目(13-CX-28)~~

摘　　要：目的建立腹泻性贝毒毒素9种代表性化合物:大田软海绵酸、鳍藻毒素、蛤毒素2、扇贝毒素及其衍生物、环亚胺米氏裸甲藻毒素、螺环内酯毒素1和原多甲藻酸的高效液相色谱-电喷雾串联质谱(HPLC-ESI-MS/MS)检测方法。方法以80%甲醇水溶液对贝类组织中的毒素进行提取,再以亲水亲脂平衡柱(HLB)对提取液进行净化,最后以高效液相色谱-电喷雾串联质谱测定。结果 DSP毒素9种代表性化合物在各自浓度范围内线性良好,回收率为68.9%~94.2%,精密度为3.5%~9.5%。结论该方法具有灵敏度高、重现性好、操作简便、准确可靠等特点,适用于贝类中腹泻性贝毒毒素的测定。Objective To establish a high performance liquid chromatography (HPLC)-electrospray ionization mass spectrometry method for determination of 9 kinds of representative diarrhetic shellfish poisoning (DSP) toxins including okadaic acid(OA), dinophysistoxin1, 2(DTX1, DTX2), pectenotoxin2(PTX2), yessotoxin(YTX), homo-yessotoxin(hYTX), gymnodimine(GYM), spirolide1(SPX1) and azaspiracid1(AZA1) in shellfish. Methods The toxins were extracted with 80%methanol aqueous solution from the shellfish, then cleaned up by hydrophile-lipophile balance columns, at last, the extractive was determined by a reversed phase HPLC gradient program coupled with electrospray ionization mass spectrometry. Results Nine representative diarrhetic shellfish poisoning toxins had a good linear relationship in respective concentration range, the average recoveries were ranged from 68.9%~94.2%, and the precision was in ranged from 3.5%~9.5%. Conclusion The developed method is simple and accurate, which can be applied for determination of DSP toxins in shellfish.

关 键 词：海洋贝类 腹泻性贝毒毒素 高效液相色谱-电喷雾串联质谱法 

分 类 号：O657.63[理学—分析化学] TS254.7[理学—化学]