The following techniques were used to attempt to enhance
probiotic viability during cold storage at 6 1 C for 15 days:
a) microencapsulation of L. casei-01 and B. bifidum Bb-12, b) heat
shock of yoghurt culture, and c) inoculation of yoghurt milk with
L. casei-01 and B. bifidum Bb-12 1 h before heat shocked yoghurt
starter addition to lessen the acidity effect of yoghurt starter on
probiotic growth.