Naslov
Interaction of Tannins and Saponin in Herbivore Diet. Rangelands in the New Millennium

Autori
Rogošić, Jozo ; Pfister, JAmes ; Provenza, Frederick

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, ostalo

Izvornik
Proceeding of the VII International Rangeland Congress / 0-958-45348-9 - Durban, 2003, 103-105

ISBN
0-958-45348-9

Skup
International Rangeland Congress

Mjesto i datum
Južnoafrička Republika, 26 July – 1 August

Vrsta sudjelovanja
Pozvano predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Sekondarni metaboliti; Tanin; Saponin; odabir hrane
(Secondarny matabolites; tannins; saponins; food selections)

Sažetak
Generalist herbivores such as sheep and goats may eat more of foods that contain toxins, provided the toxins act on different pathways in the body or are detoxified by different means. Unfortunately, while metabolism of some plant compounds by mammals is understood in general, information on the metabolism of many compounds is inadequate and there is little or no information on how specific compounds may interact in the body. Thus, for the time being, feeding trials involving different arrays of plants may be the only way to determine how foods containing different combinations of toxins, nutrients and flavor may interact to influence food intake. Sheep and goats were allowed to choose between Mediterranean shrubs containing tannins and other Mediterranean shrubs containing tannins and saponins. Twelve sheep and goats offered tannin-containing shrubs consumed less biomass than animals offered shrubs containing tannins and saponins. Simultaneous consumption of shrubs that contain tannins and saponins may promote chemical interaction that inhibits toxin absorption from the intestinal tract. This type of interaction is likely to have influenced the evolution of herbivore feeding behavior.

Izvorni jezik
Engleski

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