Section 608 of the Federal Clean Air Act requires that all persons who maintain. must be certified as Universal technicians. Should EPA regulations change after a technician becomes certified. or 18 out of 25 correct.
Effect of freeze-drying on the viability of selected probiotic organisms is shown in Table 1. Freeze drying had a deleterious effect on the viability of all probiotic organisms. In general, Bifidobacterium spp. had 7% higher survival than Lactobacillus spp. with the exception of B. longum 1941.
The effectiveness of cryoprotectants, prebiotics and microencapsulation on the viability of Lactobacillus acidophilus, Lactobacillus casei, Lactobacillus rhamnosus and Bifidobacterium longum was investigated after processing and storage of yoghurt and freeze-dried yoghurt.