Growth reduction by dietary tannins: different effects due to different tannins
1993
Molè, S. | Rogler, J.C. | Butler, L.G.
The effects of different tannins were compared in feeding trials utilizing rats fed diets that were equal in their total phenolics content. The drug propranolol was used to suppress proline-rich salivary protein production in some animals in order to examine the defensive potential of these proteins against dietary tannins. Differences were evident in the way different tannins affected digestion and the post-digestive assimilation of nutrients into new body mass. Different tannins also interacted differently with propranolol and were recovered in fecal material in different quantities. While the two condensed tannin-containing diets and one hydrolysable tannin-containing diet each had similar effects on overall weight gain, they appeared to cause their effects in different ways. These results are discussed in the context of the frequently made assumption that all tannins act as feeding deterrent allelochemicals in a uniform manner.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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