2Egon Bech Hansen . Commercial bacterial starter cultures for fermented foods of the future[J]. Int. J. FoodMicrobio, 2002, (78):119-131.
3Riesen berg D. , Guthke R. High cell density cultivation of microorganisms Appl. Micrbiol.Biotechol. 1999,(51) :422-430.
4D. charalampopoulos, S. S. Pandiella, CWebb.Evaluation of the effect of malt , wheat and barley extracts on the viability of probiotic acid bacteria under acid conditions [J]. Int. J. food Microbio,2003,(82) :133-141.