STEROL CONCENTRATES, PROCESS FOR THEIR PREPARATION AND THEIR USE IN THE PROCESSING OF STEROLS BY FERMENTATION

摘要

STEROL CONCENTRATES, THEIR PREPARATION AND USES THEREOF ARE OBTAINED FROM DISTILLATION RESIDUES OF THE INDUSTRIAL PROCESSING OF NATURAL FAT MATERIALS SUBJECT TO TRANSESTERIFICATION BY A LOWER ALCOHOL, AFTER WHERE THE TRANSESTERIFICATION PRODUCT IS SUBJECTED TO A SHORT-TERM DISTILLATION IN WHICH A MAIN FRACTION CONTAINING ABOUT 50 BY WEIGHT OF STEROLS IS COLLECTED. / P P THESE CONCENTRATES, MUCH MORE SIMPLE TO PREPARE THAN PURE STEROLS , HOWEVER SUITABLE FOR THE USE AS STARTERS OF THE FERMENTATION PREPARATION OF INTERMEDIATE STEROID PRODUCTS. / P