%0 Journal Article %T Kinetic Models for Glucosamine Production by Acid Hydrolysis of Chitin in Five Mushrooms %A Sutheerawattananonda %A Manote %A Zhang %A Pin %J - %D 2020 %R https://doi.org/10.1155/2020/5084036 %X In this paper, glucosamine was produced by acid hydrolysis of five mushrooms. The glucosamine yields were investigated, and the optimum conditions were obtained as follows: acid type, sulfuric acid; acid concentration, 6£¿M; ratio of raw material to acid volume, 1£¿:£¿10; hydrolysis temperature, 100¡ãC; and time, 6£¿h. Under these conditions, the glucosamine conversion from chitin content reached up to 92%. The results of hydrolysis kinetics indicated that hydrolysis of five mushrooms to glucosamine followed zero-order kinetics. Moreover, the relatively low activation energy for hydrolysis of straw mushroom (18.31£¿kJ/mol) and the highest glucosamine yield (56.8132£¿¡À£¿3.5748£¿mg/g DM, 0.9824£¿g/g chitin) indicated that hydrolysis of straw mushroom was energy-saving. Thus, sulfuric acid hydrolysis of straw mushroom for glucosamine production should be considered as an efficient process for the future industrial application. However, further study is needed for glucosamine purification %U https://www.hindawi.com/journals/ijce/2020/5084036/