Evaluation of Antimicrobial Ability of Mushrooms

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Various mushrooms that have been widely used in Korea, China and Japan as health booster and ancient herbal medicine. A variety of mushrooms have been used traditionally in different cultures for the maintenance of health and in the prevention and treatment of various diseases [1]. Medicinal mushroom is used as a folk medicine in Western Ghats of India.
Mushroom metabolites or other related compounds could be used to develop neutraceuticals or drugs effective against pathogenic microorganisms resistant to conventional treatments. medicinal mushrooms and fungi contains various bioactive substances, including polysaccharides and proteoglycans, which have been shown to exert different properties like antitumor, immunomodulating, antioxidant, radical scavenging, cardiovascular, antihypercholesterolemia, antiviral, antibacterial, antiparasitic, antifungal, detoxification, hepatoprotective, and antidiabetic effects[2].
Antibacterial activity of medicinal mushrooms describes the action of its extracts without identifying the compounds responsible for this activity. Mushrooms showed antimicrobial activity against pathogenic microorganisms, including bacteria associated with nosocomial infections (Pseudomonas aeruginosa, Pseudomonas maltophila, Listeria monocytogenes, Staphylococcus aureus, Klebsiella pneumoniae, Morganella morganii, Proteus mirabilis, Serratia marcescens, Escherschia coli, Aceinetobacter) and multiresistance. In human pathogenic microorganisms multiple-drug resistance has developed due to indiscriminate use of commercial antimicrobial drugs [3]. Bacterial resistance increasing to antibiotics and antimicrobials is a growing concern facing the medical, food, and sanitation industries [4].
Amongst the several mushrooms, Ph...

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...f cork borer (6 mm), and extracts (80μ/l) were added in each well. The plates were incubated at 35-37°C for 18-24 hours, the activity was calculated by measuring the diameter of zone of inhibition and results were compared and analyzed.
Assay of Minimum Inhibitory Concentration (MIC)
The MIC of Phellinus test samples were carried out by broth dilution method. A set of test tubes containing 9 ml broth medium was prepared, to the first tube a known concentration of Phellinus sample extract was added and the solution was mixed thoroughly. Serial dilution was done and after the dilution, 10μl/ml of the suspension of microbial test was added to each tube including control tubes. The test tubes were incubated at 37°C for 18-24 hours. The test tubes were observed for growth of microorganisms. The concentration of Phellinus samples extracts was 2 μl/ml to 1024 μl/ml [5,10].

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