Lü Jianhua
School of Food Science and Technology, Engineering Research Center of Grain Storage and Security of Ministry of Education, Grain Storage and Logistics National Engineering Laboratory, Henan University of Technology, Lianhua Street, Zhengzhou High-Tech Development Zone, Zhengzhou, 450001, Henan, People's Republic of China.
J Food Prot. 2017 Sep;80(9):1557-1561. doi: 10.4315/0362-028X.JFP-17-094.
As an alternative to chemical fumigants, heat treatment has been a widely used physical method to successfully control stored-product insects in empty grain storage and food processing facilities. The drugstore beetle, Stegobium paniceum (L.) (Coleoptera: Anobiidae) is one of the most destructive stored-product insects in the world. The mortality of the eggs, larvae, pupae, and adults of S. paniceum was investigated when exposed to 43, 47, 51, and 55°C for different time intervals. The mortality rate of the S. paniceum eggs, larvae, pupae, and adults was found to significantly increase with increased exposure time and temperature, and the pupae were the most heat-tolerant stage. The mortality rate of the S. paniceum pupae was <43.3%, while the mortality rate of the S. paniceum eggs, larvae, and adults achieved nearly 100.0% when they were exposed to 43, 47, 51, and 55°C for 6 h, 17.5 min, 120 s, and 30 s, respectively. The current results favor designing a heat treatment protocol to successfully disinfest S. paniceum in practice.
作为化学熏蒸剂的替代方法，热处理是一种广泛应用的物理方法，可成功控制空粮库和食品加工设施中的仓储害虫。药材甲（Stegobium paniceum (L.)，鞘翅目：蛛甲科）是世界上最具破坏性的仓储害虫之一。研究了药材甲的卵、幼虫、蛹和成虫在43、47、51和55°C下暴露不同时间间隔后的死亡率。结果发现，药材甲的卵、幼虫、蛹和成虫的死亡率随暴露时间和温度的增加而显著增加，其中蛹是最耐热的阶段。当药材甲的蛹暴露于43、47、51和55°C下分别6小时、17.5分钟、120秒和30秒时，其死亡率<43.3%，而卵、幼虫和成虫的死亡率几乎达到100.0%。目前的研究结果有助于设计一种热处理方案，以便在实际中成功防治药材甲。
