Abstract:Abstract:Citrinin is a natural product obtained from fungi and with good biological activity. Because this compound also presents toxicity, especially being nephrotoxicity, its structural modification is important to obtain new potential pharmacological agents without toxicity. This article presents the history, obtention methods, synthesis, structural modification, evaluation and biological activity of citrinin.Keywords: Citrinin; Penicillium; mycotoxins; biosynthesis; antibiotic; nephrotoxicity.
ResumoA Citr… Show more
“…Moreover, they exhibit various biological activities, including antibacterial effects [24,38], which is highly relevant in the current context where certain microorganisms like Staphylococcus aureus and Enterococcus spp. have developed resistance to specific antibiotics [40]. Hence, there is a pressing need for the exploration of new antimicrobial compounds, and citrinin derivatives such as dihydrocitrinin and 1-methyl-dihydrocitrinine emerge as promising candidates for this purpose.…”
Fungi of the genus Penicillium produce secondary metabolites used as a model for the synthesis and development of several compounds with bactericidal, fungicidal, antitumor, anti-inflammatory, antiviral activities, among others. Based on this information, a study was conducted to investigate the metabolomic profile and antimicrobial potential of Penicillium purpurogenum (CFAM – 214). The minimum inhibitory concentration (MIC) of extracts obtained from P. purpurogenum broth (CFAM - 214) in ISP2, SB, and YES against Candida albicans was 500 µg/mL, 31.25 µg/mL and 62, 5µg/mL, respectively. In the test against Candida tropicalis and Staphylococcus aureus, the MIC for extracts cultivated in SB was 250 µg/mL and 125 µg/mL, respectively. Due to the good performance of the P. purpurogenum extract in SB, large-scale cultivation was carried out that led to the isolation of two compounds, whose structures were determined by spectroscopic methods such as 1D NMR (1H NMR and 13C NMR) and 2D (HMBC and HSQC), HRMS and MS/MS. The isolated compounds were identified as two citrinin derivatives, dihydrocitrinin (1) and 1-methyl-dihydro citrinin (2).
“…Moreover, they exhibit various biological activities, including antibacterial effects [24,38], which is highly relevant in the current context where certain microorganisms like Staphylococcus aureus and Enterococcus spp. have developed resistance to specific antibiotics [40]. Hence, there is a pressing need for the exploration of new antimicrobial compounds, and citrinin derivatives such as dihydrocitrinin and 1-methyl-dihydrocitrinine emerge as promising candidates for this purpose.…”
Fungi of the genus Penicillium produce secondary metabolites used as a model for the synthesis and development of several compounds with bactericidal, fungicidal, antitumor, anti-inflammatory, antiviral activities, among others. Based on this information, a study was conducted to investigate the metabolomic profile and antimicrobial potential of Penicillium purpurogenum (CFAM – 214). The minimum inhibitory concentration (MIC) of extracts obtained from P. purpurogenum broth (CFAM - 214) in ISP2, SB, and YES against Candida albicans was 500 µg/mL, 31.25 µg/mL and 62, 5µg/mL, respectively. In the test against Candida tropicalis and Staphylococcus aureus, the MIC for extracts cultivated in SB was 250 µg/mL and 125 µg/mL, respectively. Due to the good performance of the P. purpurogenum extract in SB, large-scale cultivation was carried out that led to the isolation of two compounds, whose structures were determined by spectroscopic methods such as 1D NMR (1H NMR and 13C NMR) and 2D (HMBC and HSQC), HRMS and MS/MS. The isolated compounds were identified as two citrinin derivatives, dihydrocitrinin (1) and 1-methyl-dihydro citrinin (2).
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