经过两种不同热处理的白千层粉的微生物稳定性

IF 2.7 2区农林科学 Q1 ENTOMOLOGY

Journal of Stored Products Research Pub Date : 2024-10-01 DOI:10.1016/j.jspr.2024.102440

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引用次数: 0

摘要

自 2021 年 8 月起，加工昆虫蛋白用于家禽和猪饲料已获批准（欧盟第 2021/1372 号法规）。自 2017 年起，水产养殖业也已获准使用昆虫蛋白（欧盟第 2017/893 号法规）。该条例的通过促进了欧洲昆虫产业的发展。然而，目前有关昆虫饲料保质期评估的信息很少。本研究分析了经过两种不同处理的Hermetia illucens饲料。第一种处理是在 80 °C 下进行 2 小时的预灭菌，然后在 65 °C 下对幼虫进行处理。第二种处理方法是在 65 °C 下进行热处理，无需预先灭菌。对特定微生物参数（如大肠埃希氏菌、肠杆菌科、30 °C菌落总数、沙门氏菌属、李斯特菌、蜡样芽孢杆菌、产气荚膜梭菌、凝固酶阳性葡萄球菌、酵母菌和霉菌）进行的分析并未发现任何有关细菌数量或病原体存在的问题。

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Microbiological stability of Hermetia illucens meal subjected to two different heat treatments

The use of processed insect proteins for poultry and pig feed has been authorized since August 2021 (Regulation EU, 2021/1372). It has been already authorized for aquaculture since 2017 (Regulation EU, 2017/893). The adoption of this Regulation has boosted the European insect industry. However, there is currently little information regarding the evaluation of the shelf-life of insect-based feeds. The present work analyzed meals of Hermetia illucens that underwent two different treatments. The first treatment involved pre-sterilization at 80 °C for 2 h, and after that the larvae were subjected to treatment at 65 °C. The second treatment consisting in a heat treatment at 65 °C without pre-sterilization. The analysis performed for specific microbiological parameters, such as presence of β-glucuronidase positive Escherichia coli, Enterobacteriaceae, colony count at 30 °C, Salmonella spp., Listeria monocytogenes, Bacillus cereus, Clostridium perfringens, coagulase-positive Staphylococcus, yeasts and moulds, did not reveal any concerns about bacteria counts or pathogen presence.

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来源期刊

Journal of Stored Products Research 生物-昆虫学

CiteScore

5.70

自引率

18.50%

发文量

112

审稿时长

45 days

期刊介绍： The Journal of Stored Products Research provides an international medium for the publication of both reviews and original results from laboratory and field studies on the preservation and safety of stored products, notably food stocks, covering storage-related problems from the producer through the supply chain to the consumer. Stored products are characterised by having relatively low moisture content and include raw and semi-processed foods, animal feedstuffs, and a range of other durable items, including materials such as clothing or museum artefacts.