Journal
JOURNAL OF FOOD PROTECTION
Volume 84, Issue 3, Pages 437-441Publisher
INT ASSOC FOOD PROTECTION
DOI: 10.4315/JFP-20-239
Keywords
Edible insects; Food safety; Novel foods; Toxoplasma gondii
Funding
- Italian Ministry of Health [2015 IZS SI 01/15]
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Novel foods like edible insects could be important for human and animal nutrition in the future, but ensuring consumer safety and regulatory guidelines are essential. A study found traces of the foodborne parasite Toxoplasma gondii in dehydrated mealworms, highlighting the need for good farming and processing practices to prevent potential contamination in the human food chain.
Novel foods, such as edible insects and food products on the basis of insects, could play an important role in both human and animal nutrition in the future. The identification of dangers associated with insect consumption is fundamental to guarantee consumer safety and adequate regulatory guidelines for operators of the food sector. Although former studies have focused on the microbiological contamination of fresh or processed edible insects, so far little information is available about the occurrence of foodbome parasites, such as Toxoplasma gondii, whose life cycles make them candidates for potential insect breeding substrate contamination. Hence, we investigated the presence of contaminating T. gondii in fanned edible insects to rule out this further hazard for consumers. Four species of insects most conunonly used as food for human consumption were analyzed: mealworm; African migratory locust, house cricket, and silkworm. Samples included live specimens but also minimally (dehydrated) and highly processed edible insects. Traces of T. gondii DNA were detected in samples of dehydrated mealworm. These results highlight the need for implementing good farming and processing practices with particular care paid to safe storage and handling of feed and substrates used for edible insects to reduce the chance of T. gondii entering the human food chain.
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