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Edible insects have long been consumed as part of the diet of many Asian, African and South American cultures. The study sought to determine the microbial quality of dried insects (mopane worms, termites and stink bugs) sold around Thohoyandou markets, South Africa. For the study, 45 samples of dried mopane worms, termites and stink bugs were purchased from street vendors. About fifteen samples for each dried set of insects were randomly purchased and subjected to microbial analyses such as coliforms, Escherichia coli, Salmonella spp., Staphylococcus aureus, total plate count, yeasts and moulds count. The results revealed that street vendors were not following good standards of food safety and hygiene. They need training and awareness on how to handle the food products sold at the open market. During the study, we found that the mopane worms had the highest coliforms count of 1.9964±0.02 log10 CFU/g. Termites had the highest E. coli, S. aureus and total plate count of 1.9907±0.05, 2.2562±0.02 and 6.3564±1.10 log10 CFU/ g. Termites and stink bugs had the highest amount of Salmonella spp. (1.9827±0.03 log10 CFU/g). Stink bugs had the highest yeast and mould count ranging from 1.9804±0.14 to 1.9491±0.56 log10 CFU/g as compared to other insects. The outcome of this study will be used to teach vendors about good food safety and hygiene measures. The study results are also useful in determining whether these edible insects sold at the market are microbiologically safe for human consumption.

Microbiological quality of different dried insects sold at Thohoyandou open market, South Africa