2016
DOI: 10.1016/j.aninu.2016.02.003
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Enzymology properties of two different xylanases and their impacts on growth performance and intestinal microflora of weaned piglets

Abstract: The enzyme xylanase is more and more widely used in feed production, but different xylanase have different properties, mechanism and application effects. To provide a theoretical basis for choosing more suitable xylanase in feed production, we selected bacterial xylanase (BX), labeled enzyme A, and trichoderma xylanase (TX), labeled enzyme B, and studied the enzymology properties and application effects on growth performance and gut flora in weaned piglets. The results showed that the activity levels of both a… Show more

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Cited by 16 publications
(17 citation statements)
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“…3). Both, temperature fluctuation and pH changes can affect the integrity of the secondary, tertiary and quaternary structure of the enzyme protein, denaturing and inactivating it, thus affecting enzymatic activity (Chen et al 2016). According to the results, the optimal temperatures for both enzymes were around 55 o C while optimal pH was in the range 5-6 ( Fig.…”
Section: Resultsmentioning
confidence: 87%
“…3). Both, temperature fluctuation and pH changes can affect the integrity of the secondary, tertiary and quaternary structure of the enzyme protein, denaturing and inactivating it, thus affecting enzymatic activity (Chen et al 2016). According to the results, the optimal temperatures for both enzymes were around 55 o C while optimal pH was in the range 5-6 ( Fig.…”
Section: Resultsmentioning
confidence: 87%
“…Animal health is closely related to the balance of intestinal microflora (Kittelmann & Janssen, ). E. coli is a common type of intestinal bacteria, along with lactobacilli and bifido (Chen, Li, & Wang, ). In this study, FBCs did not increase the amount of E. coli in the caecum; however, the amount of caecum lactic acid and bifidobacteria subsequently increased.…”
Section: Discussionmentioning
confidence: 99%
“…Presence of them in animal food also reduces excretion as well as its low pH helps to release important nutrients from the diet in the alimentary tract. Apart from that, it has also been proved that use of acid-stable xylanase in animal food leads to better digestibility because the pH of the intestine tends to be acidic (Chen et al 2016). In acidic environment, only enzymes having low pH optima will act better than those having alkaline pH optima.…”
Section: Food and Feed Industrymentioning
confidence: 99%
“…In most of the cases, the acidophilic xylanases are found to be produced by fungi (Enshasy et al 2016). These acid-stable xylanases have many industrial values (Tenkanen et al 1997;Pokhrel et al 2013;Chen et al 2016). It has been found that the acidic media accelerates the breakdown of xylan present in lignocellulosic biomass.…”
Section: Introductionmentioning
confidence: 99%