Document Details Document Type : Article In Journal  Document Title : UTILIZATION OF SAUDI DATE SUGARS IN PRODUCTION OF BAKERS-YEAST UTILIZATION OF SAUDI DATE SUGARS IN PRODUCTION OF BAKERS-YEAST   Document Language : Arabic  Abstract : Six different yeasts: Saccharomyces cerevisiae (I); S. dastorianus NRRL Y-12693; S. cerevisiae (II); S. dayanus NRRL Y-12624; S. cerevisiae NRRL Y-12632 and S. lodgwii were cultivated in different fermentation media. The results showed that S. cerevisiae (I) gave the highest biomass production. Sefry Beesha dates contained 60% total reducing sugars. When blackstrap molasses, the carbon source of the fermentation medium, was replaced by an equivalent amount of Sefry Beesha date sugars, they were as suitable as the molasses in the production of yeast. The best date-sugar concentration was 50.0 mg/ml. Ammonium sulphate was a good nitrogen source, at a concentration of 2.0 mg/ml, for the production of yeast biomass. Biotin, at a concentration of 50 mu g/l, was a good growth stimulator for S. cerevisiae (I). The ash of S. cerevisiae (I) contained Na, Mg, Ca, Fe, Zn and Cu. Cobalt and Ni were not detected. The concentrations of these metals in the bakers yeast are non-toxic.  Journal Name : BIORESOURCE TECHNOLOGY  Volume : 53  Issue Number : 1  Publishing Year : 1995 AH   Added Date : Saturday, June 14, 2008  Researchers Researcher Name (Arabic) Researcher Name (English) Researcher Type Dr Grade Email طه قمصاني   Researcher     خالد بن عمر أبو النجا   Researcher     عبدالعزيز أبو زيد   Researcher     Back To Researches Page