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1 lis 2011 · Protocol (PDF) Phenylethyl alcohol (PEA) agar allows growth of gram-positive organisms, particularly cocci, while inhibiting most gram-negative bacteria and fungi.
Phenylethyl alcohol agar inhibits gram-negative bacteria, specifically Proteus species, in specimens containing mixed bacterial flora. It is used for the selective growth of Staphylococcus and Streptococcus in mixed cultures.
Typically PEA agar is used to inhibit the common contaminants such as Escherichia coli and Proteus species. PEA agar may be prepared with and without 5% sheep blood supplement. PEA agar with 5% sheep blood is used to isolate most gram-positive and gram-negative anaerobes from enteric samples (7).
15 maj 2024 · In specimens with mixed bacterial flora, phenylethyl alcohol-agar inhibits Gram-negative bacteria, particularly Proteus species. It is used to selectively grow Streptococcus and Staphylococcus in mixed cultures.
5 lip 2024 · Phenylethyl alcohol agar (PEA) is a specialized growth medium extensively used in microbiology. Its importance lies in its ability to selectively isolate certain types of bacteria while inhibiting others, which makes it a vital tool for clinical and research laboratories.
Phenylethyl Alcohol Agar is a selective medium used for the isolation of gram-positive organisms such as Staphylococci and Streptococci. Phenylethyl alcohol exert inhibitory bacteriostatic action on gram-negative bacteria by inhibiting their DNA synthesis.
Remel Phenylethyl Alcohol Agar (PEA) is a solid medium recommended for use in qualitative procedures for selective isolation of gram- positive cocci. SUMMARY AND EXPLANATION
