Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/19651

Title: Tannins in Ruminant Nutrition: Impact on Animal Performance and Quality of Edible Products
Authors: Jerónimo, Eliana
Pinheiro, Cristina
Lamy, Elsa
Dentinho, Maria Teresa
Sales-Baptista, Elvira
Lopes, Orlando
Silva, Fernando, Capela
Editors: Combs, Cheryl Anne
Keywords: oral cavity
feeding behaviour
saliva
animal products
Issue Date: 2016
Abstract: Tannins are widespread throughout the plant kingdom, occurring as hydrolysable and condensed tannins and at different levels in several animal feeding sources. Recent years have seen an increasing interest in the use of tannin-rich plants and plant extracts in ruminant diets for improving the quality of their edible products. Some results show that this strategy is effective in improving the fatty acid profile of meat and milk, increasing the level of health-beneficial fatty acids as well as enhancing the oxidative stability of the products. However, the use of tannin-rich feed in animal diets requires great care, due to its possible detrimental effects on animal performance and induction of metabolic disorders. Although promising, the results of studies on the effects of tannins on animal performance and quality of their products are still controversial, probably depending on type and chemical structure of tannins, amount ingested, composition of diet, and species of animal. In this chapter, the current knowledge regarding the effect of dietary tannins on animal performance and the quality of their products (meat and milk), particularly on the fatty acid profile, oxidative stability, and organoleptic properties, is reviewed. The tannin chemistry diversity and its occurrence in ruminant diets, as well as its beneficial and adverse effects on ruminants, will be briefly reviewed, and aspects related to oral cavity physiology, saliva production/composition, and postingestive effects will also be discussed.
URI: https://www.novapublishers.com/catalog/product_info.php?products_id=56550
http://hdl.handle.net/10174/19651
Type: bookPart
Appears in Collections:ZOO - Publicações - Capítulos de Livros
ICAAM - Publicações - Capítulos de Livros

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