Optimum growth temperatures were determined for nine strains of Streptococcus thermophilus and ten strains of Lactobacillus bulgaricus, all commercial yogurt or yogurt
starter isolates. Optimum growth temperatures ranged from 35 C to 42 C for S.thermophilus strains, averaging 38.6. Optimum growth temperatures for L.bulgaricus strains ranged from 43 C to...
The present investigation was undertaken to characterize a
number of strains of Lactobacillus bulgaricus and Streptococcus
thermophilus intended for use by a commercial starter supply
company. Thorough characterization of each culture was required in
order to combine compatible strains so that their usefulness in
Mozzarella cheese manufacture would be maximized....
Lactobacilli have been used in the dairy and pharmaceutical industries because of their nutritious and/or
therapeutic effects. Lactobacillus acidophilus and
Lactobacillus bulqaricus were isolated from a commercially
available product and studied for their growth and colony
characteristics as described in Chapter I and Chapter II.
Survival of these lactobacilli in...