1Teraguchi S. [J] .J Bacteriol. (Japan), 1978, 33: 753.
2Lapierre L. [J] .J DairyScience, 1992, 75: 1192-1196.
3Lwana H. Bifidobact. Microfiora, 1993, 12 (1): 39-45
4Chevalier P. [J] . J Microbiological Methods, 1991, 13: 75-83.
5Biaati B and Mattarelli. P Bifido bacterium ruminaritium sp. Nov and Bifido bacterium merycium sp. Nov, FromtheRumens of attle [J] .Int Syat Bacteriol, 1991; 41: 163.
6Frthingham R,ADUNCAR J and WILSONKH Ribosomal DNA Sequences of Bifidobateria implications for Squencebased identification of the Human Colonic Flora [J] . Microb Ecol Health Dis, 1993, 6: 23.
7Kaufmannn, P, fefferkorn, A, p Teuber M and Meile I. Identification and Quantification of Bifido bacterium Species isolated from Food with Genus Specific 16SrRNA- Targeted probes By Coluny Hybridizatiot and PCR. [J] Applenviron Micro. 1997. G3:] 268.
8Mabgi L BOURGET N BOUNHNIK Y BISETTI,N SIMONET IM and DECARIS Bidentifition of Bifido bacterium Strains by RNA, Gene Restrictionpattterns [J] . Appl Environ Microbiol,1994, 60: 1451.
8SUNOHARA H, OHNO T, SHIBATA N. Process for producing capsule and capsule obtained thereby: US, 5478570[P]. 1995-12-26.
9ARNAUD P, CHRISTOPHE L. Effects of micronization on viability and thermotolerance of probiotic freeze-dried cultures[J]. International Dairy Journal, 2003, 13(2): 455-462.
10WEN C L, HUNG C H, CHENG C C. Viability of microencapsulated bifidobacteria in simulated gastric juice and bile solution[J]. International Journal of Food Microbiology, 2003, 86: 293-301.