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Effects of wood ash, calcium hydroxide and polyethylene glycol treatments on the nutrient availability and on the biological activity of tannins using gas production technique
Published online by Cambridge University Press: 23 November 2017
Extract
Phenolic compounds, mainly tannins, depress the nutritive value of many feedstuffs. Tannins are hydrosoluble polymers which form complexes, essentially with proteins. These complexes are broken under conditions of high acidity (pH <3.5) or high alkalinity (pH =7.5). The aim of this work was to investigate the effects of different treatments on chemical composition and tannin bioassay of tanniniferous plants from the Northeast of Brazil.
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