Determination of Aflatoxins in Vegetable Oils by Immunomagnetic Beads Cleanup with High Performance Chromatography

HAN Yi-zhi; ZHENG Shu-zhan; LUO Sun-lin; GUO Qi; ZHAO Dan; GONG Quan-quan; WANG Xiong; CHEN Yi-qiang; SHENG Wan-li

doi:10.12452/j.fxcsxb.24032003

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Determination of Aflatoxins in Vegetable Oils by Immunomagnetic Beads Cleanup with High Performance Chromatography

Experimental Techniques and Methods | 更新时间：2024-06-11

- Determination of Aflatoxins in Vegetable Oils by Immunomagnetic Beads Cleanup with High Performance Chromatography
- Journal of Instrumental Analysis Vol. 43, Issue 6, Pages: 921-927(2024)
- 作者机构：
  
  1.呼和浩特海关技术中心，内蒙古呼和浩特 010010
  2.动物营养学国家重点实验室，北京 100193
  3.北京中检维康生物技术有限公司，北京 100044
- 作者简介：
- 基金信息：
- DOI：10.12452/j.fxcsxb.24032003
  CLC： O657.7;TS207.3
- Published：15 June 2024，
  
  Received：20 March 2024，
  
  Revised：12 April 2024，
- 稿件说明：
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韩祎陟,郑书展,罗荪琳,果旗,赵丹,弓全全,王雄,陈义强,盛万里.免疫磁珠净化/高效液相色谱检测植物油中黄曲霉毒素含量[J].分析测试学报,2024,43(06):921-927.

HAN Yi-zhi,ZHENG Shu-zhan,LUO Sun-lin,GUO Qi,ZHAO Dan,GONG Quan-quan,WANG Xiong,CHEN Yi-qiang,SHENG Wan-li.Determination of Aflatoxins in Vegetable Oils by Immunomagnetic Beads Cleanup with High Performance Chromatography[J].Journal of Instrumental Analysis,2024,43(06):921-927.
韩祎陟,郑书展,罗荪琳,果旗,赵丹,弓全全,王雄,陈义强,盛万里.免疫磁珠净化/高效液相色谱检测植物油中黄曲霉毒素含量[J].分析测试学报,2024,43(06):921-927. DOI： 10.12452/j.fxcsxb.24032003.

HAN Yi-zhi,ZHENG Shu-zhan,LUO Sun-lin,GUO Qi,ZHAO Dan,GONG Quan-quan,WANG Xiong,CHEN Yi-qiang,SHENG Wan-li.Determination of Aflatoxins in Vegetable Oils by Immunomagnetic Beads Cleanup with High Performance Chromatography[J].Journal of Instrumental Analysis,2024,43(06):921-927. DOI： 10.12452/j.fxcsxb.24032003.

摘要

采用基于免疫磁珠净化的高效液相色谱技术测定植物油中黄曲霉毒素B

（AFB

）、黄曲霉毒素B

（AFB

）、黄曲霉毒素G

（AFG

）和黄曲霉毒素G

（AFG

）含量。样品以甲醇-水（70∶30，体积比）提取后，经黄曲霉毒素总量免疫磁珠试剂盒净化，并结合免疫磁珠自动工作站，显著提升了净化效率。4种黄曲霉毒素在一定质量浓度范围内具有良好的线性关系，相关系数（

）均大于0.99，AFB

与AFB

、AFG

与AFG

的定量下限分别为0.05 µg/kg和0.10 µg/kg。4种毒素在5种商品植物油基质中的平均回收率为74.0%~ 96.0%，日间和日内相对标准偏差（RSD）均小于7.0%。所建立的方法与国标GB 5009.22-2016的免疫亲和柱法无显著性差异，方法准确、灵敏，适用于植物油中4种黄曲霉毒素的同时定量分析。

Abstract

In this study，a high performance liquid chromatography method based on immunomagnetic beads purification for the determination of aflatoxin B

（AFB

），aflatoxin B

（AFB

），aflatoxin G

（AFG

） and aflatoxin G

（AFG

）） in vegetable oils was established. First，the aflatoxins in the sample were extracted with methanol-water（70∶30，volume ratio）. The samples were purified with aflatoxin total immunomagnetic bead kit，combined with the immunomagnetic bead automatic workstation，which significantly improved the purification efficiency. Aflatoxins showed good linearity with correlation coefficients（

） more than 0.99. The limits of quantitation（LOQs） for AFB

and AFB

，AFG

and AFG

were 0.05 µg/kg and 0.10 µg/kg，respectively. The average recoveries of aflatoxins in five commercial vegetable oils ranged from 74.0% to 96.0%，with the intra-day and intra-day relative standard deviations（R

SDs） less than 7.0%. The results of the comparison experiments showed that the method had the same performance as the national standard GB 5009.22-2016. The established method has good accuracy and sensitivity，which is suitable for simultaneous quantitative detection of four aflatoxins in vegetable oils.

关键词

植物油黄曲霉毒素免疫磁珠高效液相色谱

Keywords

vegetable oilsaflatoxinsimmunomagnetic beadshigh performance liquid chromatography

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