Antioxidant is an interesting bioactivity since it has several correlations with disease such as Alzheimer, cancer, ageing and many others in which were promoted by free radicals. Investigation on our endophytic fungus collection namely Fennelia nivea NRRL 5504 revealed that the fermented mediumhas antioxidant property against DPPH through free radical scavenging effect. Fermentation in liquid medium i.e. Potatoes Dextrose Broth, resulted that the fermented medium reached about 86.51% (p < 0.05) of free radical inhibition on the eighth day. Results ofphytochemical screening from extracted fermentation medium showed the presence of terpenes, triterpenes, phenolic compound, tannin, flavonoid and also saponin. The highest antioxidant activity was showed by ethyl acetate extract. Calculation on total phenolic content of ethyl acetate crude extract was 0.544 mg g(-1) equivalent to pyrogallol. By exposure above, we have alternative source of antioxidant that came from our endophytic fungus collection which we isolated previously from Typhonium divaricatum Lodd.
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http://dx.doi.org/10.3923/pjbs.2013.1574.1578 | DOI Listing |
Microorganisms
December 2024
Laboratory of Analytic Biochemistry and Biotechnology (LABAB), Department of Biochemistry and Microbiology, Faculty of Biological and Agronomic Sciences, Mouloud Mammeri University, Tizi-Ouzou 15000, Algeria.
The exploration of new pharmacological compounds from endophytic fungi offers infinite possibilities. The aim of this study was to evaluate the antibacterial and antioxidant activities of extracts from the leaves of and five of its endophytic fungi and investigate the chemical diversity of the secondary metabolites produced. Isolated, purified, and molecularly identified endophytes and plant leaves were subjected to ethyl acetate extraction.
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December 2024
Laboratory of Plant Pathology, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece.
Endophytic microbes in medicinal plants often possess beneficial traits for plant health. This study focuses on the bacterial endophyte strain B.L.
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December 2024
State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China.
Plant-associated fungi often drive plant invasion success by increasing host growth, disease resistance, and tolerance to environmental stress. A high abundance of asymptomatically accumulated in the leaves of . In this study, we aimed to clarify whether three genetically distinct endophytic isolates (AX39, AX115, and AX198) activate invasive plant defenses against disease and environmental stress.
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November 2024
Institute of Chemistry, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil.
Antimicrobial resistance is becoming a critical issue due to the widespread and indiscriminate use of antibiotics and antifungals to treat common infections, leading to a growing shortage of effective drugs. Moreover, the increase in antimicrobial resistance is enhancing the pathogenicity and virulence of various pathogens. Microorganisms are key sources of chemically diverse specialized metabolites, which are produced in the final stages of their growth cycle.
View Article and Find Full Text PDFPharmaceuticals (Basel)
December 2024
Chemistry Postgraduate Program, Federal Institute of Science Education and Technology of Maranhão, São Luís 65030-005, Brazil.
: This study evaluates the effect of Mn(II) and Co(II) ions on the production of anti- metabolites by the endophytic fungus Aspergillus sp., isolated from . The objective was to identify metal-induced secondary metabolites with antifungal potential against drug-resistant species.
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