![]() ![]() Allergic reactions are possible in sensitive individuals following the ingestion of edible BM.Įntomophagy Food safety Insect Novel foods Silkworm.Ĭopyright © 2022 Elsevier Ltd. In the present work microbiological and chemical hazards relevant for food safety were identified in BM, however their presence do not impair the use as food but suggest the need for a risk assessment under specific conditions of production and use. In conclusion, scientific evidence regarding microbiological and chemical hazards of BM relevant for food safety is very limited. The major limitation of the present review is that we could include only scientific literature published in Western languages, while the majority of relevant studies were conducted in Asian countries and part of them are published in Asian languages. However, heat treatments do not seem to reduce the allergenic potential of the silkworm proteins. Furthermore, BM proteins can undergo possible cross-reactions with proteins of other insect species or crustaceans. Silkworm ( Bombyx mori ), an insect herbivore, is attracted to cis -jasmone released from mulberry leaves. Allergic reactions following the ingestion of BM or derivative products are due to proteins that are widespread in arthropods. Regarding heavy metal bioaccumulation in BM, evidence was reported for As, Cu, and, Zn. Concerning toxicological aspects, three studies assessed the toxicity of BM powder in laboratory animals, but no negative effects were observed. The foodborne pathogens Listeria monocytogenes and Salmonella spp. cereus and Enterobacteriaceae were studied and reported in insect-based food. Through non-metagenomic methods (classical and biomolecular microbiology techniques), Bacillus cereus and Pseudomonas fluorescens were the most commonly investigated and detected bacteria in the unprocessed insects, while B. Concerning microbiological aspects, a high presence of Enterococcus in raw insects (5.00 % to 70.10 %) was reported through metagenomic analysis. In total, 65 records investigating the safety aspects were included after screening: 32 on microbiological hazards 27 on chemical hazards 16 on allergenic hazards. Data were collected in pre-defined tabular forms for the aforementioned hazards. The last literature search was carried out on May 5th, 2021. We searched PUBMED, WEB of Science Core Collection, and EMBASE databases. We considered all studies published in peer-reviewed journals in English, French, and Spanish languages. The present systematic review aims to assess the suitability of BM as an edible insect, retrieving data from scientific papers reporting microbiological, chemical, and allergenic hazards of silkworm consumed as either whole insects or insect derivatives. ![]() Bombyx mori (BM) is an economically important insect for silk production, and it is also farmed and used as food in different countries around the world.
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