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Chemical and Physical DataEnzyme Activity1,500U/g, 3,000U/g, 100,000U/g Appearance White or light yellow mini-granuleParticle size125~300μmLoss on Drying: Not more than 10%Enzyme Activity DefinitionOne β-mannanase activity unit (U) is defined as the amount of enzyme which liberates 1µmol reducing sugar from 5 mg/ml Locust bean gum(LBG) solution per minute at 37℃ and pH 5.5 under the conditions of the test.Functions  Ø Degrade mannan to MOS, and improve the utilization of dietary energy. Ø Improve the gastrointestinal microbial flora, enhance the integrity of intestinal mucosa.Ø Enhance the utilization of soybean meal, cottonseed meal and palm meal, improve the animal performance.Ø Reduce the viscosity of the contents in digestive tract, improve the growth uniformity of livestock and poultry.Ø Destroy the structure of cell wall in plant feed, and improve...
Acid β-mannanaseβ-mannan is a kind of hemicellulose which is most widely spread and has high content in plant except cellulose and xylan. It is a linear polymer formed by β-1,4-D- D-mannose, mainly glucose group, acetylgroup and galactose group, forming the main component of the cell wall of seed plants.β-mannan and its derivatives hinder nutrition absorption in feed, which leads to diarrhea in different degrees, and ultimately affects the growth and feed utilization of livestock and poultry. The anti-nutritional effect of mannan is the formation of gel 'mucus' after dissolving it in water, so as to improve the viscosity of chyme, reduce the contact between endogenous enzymes and nutrients in animals, slow down nutrient absorption by intestinal tract, and adsorb metal ions, such as Ca2+、Zn2+、Na+, and endogenous enzymes, which affect the nutrient digestion and absorption. Moreover, mannosan can cause excessive immune response under stress or disease, affect the absorption of glucose by small intestine, interfere carbohydrate metabolism and the secretion of insulin-like growth factor(IGF-1), thus inhibit the growth of animals. Acid β-mannanase is an endomannanase that mainly hydrolyzes galactomannan, glucomannan, galactomannan and mannan, the main chain of which are all 1,4-β-D-pyran mannose, to oligosaccharide which containing 2~10 residues.Challenge Group has been working with the Feed Research Institute of the Chinese Academy of Agricultural Sciences(CAAS) for more t...
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