In-vitro evidence for plant enzyme mediated lipolysis in the rumen

Michael R. F. Lee, Michael K. Theodorou, T. T. Chow, Nigel D. Scollan, M. Enser

Research output: Chapter in Book/Report/Conference proceedingConference Proceeding (Non-Journal item)


It is generally accepted that microbial enzymes are involved in lipolysis and are thus responsible for
the destruction of plant membranes in the rumen. However, we question this assertion and tested the
hypothesis that in ruminants grazing fresh pastures, the first stages of lipolysis could be mediated by
plant lipases. These enzymes are ubiquitous in plants and their regulation might be altered as a
consequence of the dual stress of elevated temperature and anoxia imposed on the plant metabolism of
intact plant cells ingested by ruminants. If the hypothesis is proven, it might be possible to reduce the
rate and extent of lipolytic activity in the rumen by selectively breeding forage plants with reduced
lipolytic activity, with potential benefit to both the livestock producer and the consumer.
Original languageEnglish
Title of host publicationProceedings of the Nutrition Society
PublisherThe Nutrition Society
Publication statusPublished - 2002
EventNutrition Society Scientific Meeting - Leeds, United Kingdom of Great Britain and Northern Ireland
Duration: 02 Jul 200205 Jul 2002


ConferenceNutrition Society Scientific Meeting
Country/TerritoryUnited Kingdom of Great Britain and Northern Ireland
Period02 Jul 200205 Jul 2002


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