5Fischer SG,Lerman LS.DNA fragments differing by single base pair substitutions are separated in denaturing radiant gels:correspondence with melting theory[J].Pro Natl Acad Sci,1983,80:1579-1583.
6Lyons TP,Jacques KA,Nottingham A.Competitive exclusion of salmonella using bacterial cultures and oligosaccharides[J].Bio technol,1995,16:383-388.
7Brock AW,Van den MH.Development of the functional food market in Japan[M].Toyota:Bureau Landbouwraad Press,1992.45-50.
8Kent LW,Rahemtulla F,Hockett RD,et al.Effect of lipopolysaccharide and inflammatory cytokines on interleukin-6 production by healthy human gingival fibroblasts[J].Infect immun,1998,66(2):608-614.
