%0 Journal Article
%T ProductionofCitricAcidfromApplePomaceEnzymolyzedbyCellulase
%A SONGJi-rong(宋纪蓉)
%A HUANGJie(黄洁)
%A XUKang-zhen(徐抗震)
%A ZHAOQiao-yun(赵巧云)
%J 过程工程学报
%D 2003
%X CellulasecanevidentlyincreasethecontentofglucoseandhasasignificanteffectontheproductionofcitricacidfromapplepomacebyAspergillusniger.Basedonexperiments,acellulolyticenzymenamedcellulaseA6wasfoundabletoproduceabout170gglucosefrom1kgdriedapplepomaceafter12hreaction,withcellulaseconcentrationof20U/ginthemediumat50℃,naturalpHwithoutpretreatmentofalkali.Usingthetreatedapplepomaceasaliquidstatesubstrate,Aspergillusniger-Cselectedoutwasabletoproduceabout256gcitricacidfrom1kgdriedapplepomaceat35℃in3dor30℃in5dwithflaskrotationspeedof210r/min,andtheconversionofcitricacidcouldreach80%basedontheamountofsugarconsumed.
%K citricacid
%K applepomace
%K cellulase
%K fermentation
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=835