Lactic acid starter and culture conditions

A business culture delbrueckii mixed lyophilized l subsp., And thermophilic streptococci(30/70), identified as IA, suitable for Lactic acid production of yogurt. Mixed culture of the two used in the two Different aspects: the different types of yogurt can be divided into direct and semi-direct culture culture. When it Is used directly in the form and according to the manufacturer's instructions, 500 ml of milk heat treatment (15min disseminated and maintain 90 degrees Celsius) temperatures of 30 degrees, buffered lactic acid; then inoculated batch production Production capacity. Semi-direct culture conditions, the heat treatment of milk (90 ° C 15 minutes), the 40 ° C and maintaining that pole to 55 至 60 Dornic; then it was cooled to 9 ° C and Stored frozen until it is added to the production batch (2% v / v) of.