新收获玉米黄曲霉毒素B_1抽样检验及安全性评估

[目的]了解黄曲霉毒素对南阳地区玉米的污染情况,初步评价玉米的安全性。[方法]从南阳市不同区域采集新收获的玉米样品40个,应用HPLC检测技术对玉米进行黄曲霉毒素B1检测并根据国家标准进行安全性评估。[结果]黄曲霉毒素B1检出率为80%,根据食品和饲料中的黄曲霉毒素的限量标准,符合食用标准的玉米占37.5%,不符合食用和饲用的占45.0%。[结论]玉米黄曲霉毒素污染广泛,应该进一步加强对黄曲霉毒素超标的玉米流向进行安全性监控工作。

Aflatoxin B1 Contamination Detection and Safety Evaluation for Corn in Nanyang

To identify the aflatoxins contamination of corn in Nanyang and evaluate the safety. [Method]Aflatoxin B1 of 40 corn samples collected from different regions in Nanyang were determined by HPLC. And safety valuation was given based on national food and feed standards. [Result]Aflatoxin B1 detection rate was about 80% of 40 corn samples. Results showed that 37. 5% of corn are safety for food and45. 0% are dangerous even for feed. [Conclusion] Aflatoxin B1 was detected frequently and high levels. Much efforts should be placed to the regulation of aflatoxin safety of corn and its products.