Fate of Plant Protecting Agents during Hop Processing

Fate of Plant Protecting Agents during Hop Processing

R. Schmidt
EBC Hop Symposium 2010, Wolnzach, Sept 2010

“Definite non-polar residues could be detected in the resin extract quantitatively” and “Polar active agents remained in the spent hops” (Forster et al.; Poster EBC Congress 1991, Lisbon) Solubility is the most important parameter. But the scenery of active agents has changed since then totally. Therefore the following active agents (fungicides) with actual relevance were monitored during the extraction process:

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