Impact of Edible Cricket Consumption on Gut Microbiota in Healthy Adults, a Double-blind, Randomized Crossover Trial

Scientific Reports
Valerie J StullTiffany L Weir

Abstract

Edible insects are often considered a nutritious, protein-rich, environmentally sustainable alternative to traditional livestock with growing popularity among North American consumers. While the nutrient composition of several insects is characterized, all potential health impacts have not been evaluated. In addition to high protein levels, crickets contain chitin and other fibers that may influence gut health. In this study, we evaluated the effects of consuming 25 grams/day whole cricket powder on gut microbiota composition, while assessing safety and tolerability. Twenty healthy adults participated in this six-week, double-blind, crossover dietary intervention. Participants were randomized into two study arms and consumed either cricket-containing or control breakfast foods for 14 days, followed by a washout period and assignment to the opposite treatment. Blood and stool samples were collected at baseline and after each treatment period to assess liver function and microbiota changes. Results demonstrate cricket consumption is tolerable and non-toxic at the studied dose. Cricket powder supported growth of the probiotic bacterium, Bifidobacterium animalis, which increased 5.7-fold. Cricket consumption was also associated wit...Continue Reading

Associated Clinical Trials

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Citations

Dec 24, 2019·Critical Reviews in Food Science and Nutrition·Nelson Mota de CarvalhoManuela Estevez Pintado
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Methods Mentioned

BETA
PCR
Assay
ELISA

Clinical Trials Mentioned

NCT03383341

Software Mentioned

Principle Coordinates Analysis ( PCoA )
myPhyloDB
Metagenics
EdgeR
R
MicrobiomeAnalyst
lme4
GC OpenLab
VSEARCH
lmerTest

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