公开(公告)号：US3780017A

公开(公告)日：1973-12-18

申请号：US3780017D

申请日：1971-02-25

Applicant: MASONITE CORP

Inventor： SPALT H ,  NIKETAS P

IPC: C13K13/00 ,  C13K9/00

CPC classification number: C13K13/002

Abstract: METHOD OF ISOLATING CRYSTALLINE XYLOSE FROM AN AQUEOUS PLANT EXTRACT CONTAINING MONOSACCHARIDES OF WHICH AT LEAST 50 PERCENT IS XYLOSE, WHICH COMPRISES CONCENTRATING SAID EXTRACT TO A FIRST SYRUP, DISSOLVING SAID SYRUP IN A WATER-MISCIBLE ALCOHOL, REMOVING INSOLUBLE MATERIALS FROM THE ALCOHOL SOLUTION, EVAPORATION OF THE ALCOHOL SOLUTION TO A SECOND SYRUP, DILUTING SAID SECOND SYRUP WITH ACETIC ACID TO FORM A SOLUTION CONTAINING AT LEAST 25 PERCENT ACETIC ACID, AND SEPARATING THE CRYSTALLINE XYLOSE WHICH IS PRECIPITATED FROM SAID SOLUTION.