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Impact of processing methods on microbial load of reared and wild-caught edible crickets (Scapsipedus icipe and Gryllus bimaculatus) in Kenya

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Title Impact of processing methods on microbial load of reared and wild-caught edible crickets (Scapsipedus icipe and Gryllus bimaculatus) in Kenya
 
Creator Gatheru, J.W.
Khamis, F.M.
Ombura, F.L.O.
Nonoh, J.
Tanga, C.M.
Maina, J.
Mohamed, S.A.
Subramanian, S.
Ekesi, S.
Fiaboe, K.K.M.
 
Subject plate count
pests
pests of plants
gryllus bimaculatus
microbial colony count
 
Description The microbial composition of farmed and wild Scapsipedus icipe and Gryllus bimaculatus is presented. The aim of this study is to determine the microbial load of the two cricket species and evaluate the efficiency of processing methods (boiling, sun-drying, freeze-drying, snap-freezing and deep-frying) in reducing microbial counts. Farmed and wild species were compared based on microbial diversity. Fresh crickets had high microbial counts, bacterial and fungal populations ranged from 4.26-4.58 log cfu/g and 3.48-4.48 log cfu/g fresh weight, respectively. Upon processing, microbial counts reduced, bacterial counts ranged from 1.00-2.08 log cfu/g dry weight (boiled) and 2.70-3.34 log cfu/g dry weight (sun-dried). Fungal counts ranged from1.85-1.95 log cfu/g dry weight (boiled) and 2.95-3.51 log cfu/g dry weight (sun-dried). Deep-frying, freeze-drying and snap-freezing emerged as the best processing methods. Although there is no alarm in consuming fresh crickets, a processing method is advisable to minimize any possible risks.
 
Date 2019-07-10
2019-08-06T10:33:52Z
2019-08-06T10:33:52Z
 
Type Journal Article
 
Identifier Gatheru, J.W., Khamis, F.M., Ombura, F.L.O., Nonoh, J., Tanga, C.M., Maina, J., ... & Fiaboe, K.K.M. (2019). Impact of processing methods on microbial load of reared and wild-caught edible crickets (Scapsipedus icipe and Gryllus bimaculatus) in Kenya. Journal of Insects as Food and Feed, 5(3), 171-183.
2352-4588
https://hdl.handle.net/10568/102456
https://doi.org/10.3920/JIFF2018.0042
 
Language en
 
Rights Copyrighted; all rights reserved
Limited Access
 
Format p. 171-183
 
Publisher Wageningen Academic Publishers
 
Source Journal of Insects as Food and Feed