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Appl Microbiol. 1975 Mar;29(3):422-6.

Powdered chitin agar as a selective medium for enumeration of actinomycetes in water and soil.

Abstract

Agar media made with 0.4% colloidal chitin plus mineral salts and adjusted to pH 8.0 was superior to four other commonly used media for the isolation and enumeration of actinomycetes from water samples. More actinomycetes developed on chitin agar, and the development of bacteria and fungi was suppressed. Frozen and vacuum-dried chitin from aqueous colloidal suspensions was finely divided and gave results comparable to those obtained with media prepared from colloidal suspensions.

PMID:
234719
PMCID:
PMC186990
[Indexed for MEDLINE]
Free PMC Article

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