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Bioactive properties of insect products for monogastric animals – a review

In: Journal of Insects as Food and Feed
Authors:
T. Veldkamp Wageningen Livestock Research, De Elst 1, 6700 AH Wageningen, the Netherlands.

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https://orcid.org/0000-0001-6880-9680
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L. Dong Wageningen Food and Biobased Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands.
Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands.

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A. Paul Protix B.V., Industriestraat 3, 5107 NC Dongen, the Netherlands.

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C. Govers Wageningen Food and Biobased Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands.
Cell Biology & Immunology, Wageningen University, De Elst 1, 6700 AH Wageningen, the Netherlands.

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Insects or products derived from insects are considered as a valuable feed ingredient for aquaculture, poultry, and pigs but also exert possible secondary effects of health stimulators in livestock as reported in literature. Health benefits attributed to insects can create additional value in the insect chain. Three categories of bioactive compounds in insects are reported in this desk study: antimicrobial peptides (such as α-helical peptides, cysteine-rich peptides, proline-rich peptides, glycine-rich peptides), fatty acids (especially lauric acid), and polysaccharides (especially chitin and chitosan). The review summarises the recent literature on these three categories. Antimicrobial properties or immuno-modulating effects may contribute to reduce the use of antibiotics and to avoid antibiotic resistance in livestock when these insect products are included in animal diets. Furthermore, antioxidant capacity of insect-proteins might reduce collateral tissue damage. Health stimulating effects of insect products may result in additional applications of insect products in animal feed for livestock.

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