Biotechnologie et biomatériaux

Abstrait

Study of the Behaviour of Lactobacillus Delbrueckii Subsp. Bulgaricus in Date Syrup in Batch Fermentation with Controlled pH

Bouhadi Djilali, Abbouni Bouziane, Hariri Ahmed, Ibri kada and Ouiss Nawal

Study of the use of date’s syrup like substrate a fermentation substrate for Acid lactic production gave as interesting results, the micro-organism implemented is kind Lactobacillus delbrueckii subsp. bulgaricus , cultivated in bathe fermentation. Three culture mediums were tested, the date syrup, date syrup enriched with amino acids and date syrup enriched with Tween80, the addition of the growth factors improve the culture, that is why the production of lactate is very important improved 24 g/l.