L-Arabinose,pectin sugar,gum sugar,pectinose ... sugar.·specific rotationMultirotation, specific rotation +100°→+104°(24h, H2O,c=5)Application·Food Industry: food for diabetics ... accumulation Quality Standard Item Index Identification White crystalline powder L-Arabinose content?? ≥99.0 Water content????? ≤ ... ???154-158Specific optical rotation [α]20D(C=5,H2O,24h)+100o~+104oloss of drying ?????≤0.5Heavy ...