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spent hops

Bulletin of Entomological Research (1)

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Antifeedant activity of xanthohumol and supercritical carbon dioxide extract of spent hops against stored product pests
J. Jackowski, M. Hurej, E. Rój, J. Popłoński, L. Kośny, E. Huszcza
Journal:

Bulletin of Entomological Research / Volume 105 / Issue 4 / August 2015

Published online by Cambridge University Press:

08 April 2015, pp. 456-461
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Xanthohumol, a prenylated flavonoid from hops, and a supercritical carbon dioxide extract of spent hops were studied for their antifeedant activity against stored product insect pests: Sitophilus granarius L., Tribolium confusum Duv. and Trogoderma granarium Everts. Xanthohumol exhibited medium deterrent activity against the adults of S. granarius L. and larvae of T. confusum Duv. The spent hops extract was more active than xanthohumol towards the adults of T. confusum Duv. The potential application of the crude spent hops extract as a feeding deterrent against the stored product pests is proposed.