4Santivarangkna C, Kulozik U, Foerst P. Ahemative drying processes for the industrial preservation of lac- tic acid starter cultures E J ]. Biotechnologyprogress, 2007,23 (2) :302 - 315.
5Carvalho A S, Silva J, Ho P, et al. Survival of freeze - dried Lactobacillus plantarum and Lactobacillus rham- nosus during storage in the presence of protectants [J]. Biotechnology Letters ,2002,24(19) :1587 -1591.
6Leslie S B ,Israeli E,Lighthart B,et al. Trehalose andsucrose protect both membranes and proteins in intact bacteria during drying[J]. Applied and Environmen- talmicrobiology, 1995,61 (10) :3592 - 3597.
7Santivarangkna C, Kulozik U, Foerst P. Effect of carbohydrates on the survival of Lactobacillus hel- veticus during vacuum drying [J]. Letters in applied microbiology,2006,42 (3) :271 - 276.
8Chdvez B E, Ledeboer A M. Drying of probiotics: optimization of formulation and process to enhance storage survival [J ]. Drying Technology, 2007,25 (7):1193 - 1201.
9Strasser S, Neureiter M, Geppl M, et al. Influence of lyophilization, fluidized bed drying, addition of protectants, and storage on the viability of lactic acid bacteria [J]. Journal of applied microbiology, 2009, i07 (1) : 167 - 177.
