新型固相萃取吸附技术在食品分析中的应用

Applications of new solid-phase extraction adsorption technologies in food analysis

本文基于固相萃取吸附剂,综述了多种固相萃取小柱联用、分子印迹固相萃取、碳纳米管固相萃取和磁固相萃取等技术在食品分析前处理中的应用。研究表明,这些新型吸附剂相对于传统的固相萃取吸附剂具有分离速度快、效率高、环境友好、检出限低等优点。同时分别阐述了这4种萃取技术在食品检测领域的局限性。进一步指出开发高效快速分离目标物的吸附剂是固相萃取技术在食品检测行业的发展趋势。

Based on solid phase extraction adsorbents,this paper reviewed the applications of various solid phase extraction small column combination,molecularly imprinted solid phase extraction,carbon nanotube solid phase extraction and magnetic solid phase extraction in food analysis pretreatment.The results showed that these new adsorbents had the advantages of high separation speed,high efficiency,environmental friendliness and low detection limit compared with traditional solid phase extraction adsorbents.At the same time,the limitations of these four extraction technologies in the field of food detection were expounded respectively.It is further pointed out that the development of adsorbents for efficient and rapid separation of target substances is the development trend of solid phase extraction technology in food detection industry.