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International Journal of Medicinal Mushrooms
Импакт фактор: 1.211 5-летний Импакт фактор: 1.394 SJR: 0.433 SNIP: 0.661 CiteScore™: 1.38

ISSN Печать: 1521-9437
ISSN Онлайн: 1940-4344

Выпуски:
Том 21, 2019 Том 20, 2018 Том 19, 2017 Том 18, 2016 Том 17, 2015 Том 16, 2014 Том 15, 2013 Том 14, 2012 Том 13, 2011 Том 12, 2010 Том 11, 2009 Том 10, 2008 Том 9, 2007 Том 8, 2006 Том 7, 2005 Том 6, 2004 Том 5, 2003 Том 4, 2002 Том 3, 2001 Том 2, 2000 Том 1, 1999

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v19.i1.50
pages 45-54

Chemical Composition and Antioxidant and Antibacterial Activities of Cultured Mycelia of Four Clavicipitaceous Mushrooms (Ascomycetes) from the Indian Himalayas

Sapan Kumar Sharma
Department of Botany, Punjabi University, Patiala, Punjab-147002 (India); Department of Plant Pathology, CSK, Himachal Pradesh Agriculture University, Palampur India
Nandini Gautam
Centre for Environment Science and Technology, School of Environmental and Earth Sciences, Central University of Punjab (Bathinda), India

Краткое описание

Cultured mycelia of 4 clavicipitaceous fungi belonging to 2 genera, Cordyceps (C. gracilis, C. cicadae, C. sinclairii) and Metacordyceps (M. dhauladharensis), were analyzed for their chemical composition and antioxidant and antibacterial activities. Experiments to determine these characteristics were performed following standard methods. The fatty acid profiles of mycelia of all the species were analysed using gas chromatography. Chemical composition analysis of mycelial samples revealed carbohydrates (46.72 ± 0.7% to 63.40 ± 0.3%), protein (14.19 ± 0.2% to 26.16 ± 0.1%), crude fibers (0.93 ± 0.0% to 1.22 ± 0.0%), and ash (0.77 ± 0.0% to 0.98 ± 0.0%). The amounts of calcium and iron in mycelia were significantly higher than amounts of magnesium, copper, and manganese. The amount of β-carotene ranged from 0.67 to 1.17 μg/100 g; lycopene, from 0.30 to 0.57 μg/100 g; phenolic compounds, from 29.16 to 43.12 mg/100 g; polysaccharides, from 104 to 126 mg/g; and flavonoids, from 2.15 to 4.25 mg/g. All tested species showed significant (P ≤ 0.05) antioxidant activities measured based on half-maximal effective concentrations. C. cicadae possessed the lowest half-maximal effective concentration compared with the other species. All 4 species showed a broad spectrum of antibacterial activity against 7 tested pathogenic bacterial strains.


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