Survival of Enterococcus strains grown in different media during heating and drying stresses

Silva, J.; Carvalho, A. S.; Lopes, Z.; Domingues, P.; Teixeira, P.; Gibbs, P.A.

http://hdl.handle.net/10400.14/6697

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Abstract(s)

Two Enterococcus strains {C and LL) were isolated from a traditional Portuguese cheese. They were non-proteolytic non-|31-haerriolytic and non-lipolytic. sensitive to vancomycin, and were not antagonistic to L. monocytogenes. The influ- ence of the growth media |[lvl1T, MHS, Lee's broths) on the survival of the two Enterococcus strains, during heating, spray drying and storage in the dried state, was evaluated. Survival and viability during storage in dried state, were independent of growth media for Enterococcus LL. but were media-dependent for Enterococcus C. Coll membrane 1511 fatty acid con- tent was higher alter growth in tvl1T rhediumthan in MRS and l_ee's media, for b-oth strains.