Abstract:Xylan is the major constituent of hemicellulose. Due to the structural heterogeneity of the xylans, xylan-degrading enzyme systems include several hydrolytic enzymes. Xylanase(EC 3.2.1.8, 1,4-β-D-xylanase)can hydrolyze β-1,4-glycosidic linkages of the xylan backbone to produce short chain xylooligosacchrides of various lengths. Hence, endo-β-xylanase is the crucial enzyme component of microbial xylanolytic enzyme systems. A large number of bacteria and fungi are known to produce xylanases. Xylanases from microorganisms have attracted a great deal of attention in recent years because of their biotechnological potential application in various industrial processes such as food and feed industries. An important factor for efficient xylanase production is the choice of an appropriate inducing substrate, as well as optimization of the medium composition. Properties of xylanases are different due to various microorganisms. The highlights complex xylan structure, microbial xylanolytic enzymes including their production, properties and their application in industries was reviewed. |
Transactions of the Chinese Society for Agriculture Machinery (CSAM), in charged of China Association for Science and Technology (CAST), sponsored by CSAM and Chinese Academy of Agricultural Mechanization Science(CAAMS), started publication in 1957. It is the earliest interdisciplinary journal in Chinese which combines agricultural and engineering. It always closely grasps the development direction of agriculture engineering disciplines and the published papers represent the highest academic level of agriculture engineering in China. Currently, nearly 8,000 papers have been already published. There are around 3,000 papers contributed to the journal each year, but only around 600 of them will be accepted. Transactions of CSAM focuses on a wide range of agricultural machinery, irrigation, electronics, robotics, agro-products engineering, biological energy, agricultural structures and environment and more. Subjects in Transactions of the CSAM have been embodied by many internationally well-known index systems, such as: EI Compendex, CA, CSA, etc.
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