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Powdered Chitin Agar as a Selective Medium for Enumeration of Actinomycetes in Water and Soil

By S. C. Hsu and J. L. Lockwood

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

Topics: General Microbial Ecology
Year: 1975
OAI identifier: oai:pubmedcentral.nih.gov:186990
Provided by: PubMed Central
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