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.
Freeze drying is the more important operation. commercially and is used to dry expensive foods which have delicate aromas or textures. (for example coffee, mushrooms, herbs and spices, fruit juices, meat, seafoods, vegetables and complete meals for military rations or expeditions) for which consumers.