Lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina

Abstract Antifungal activity of Monotheca buxifolia methanolic extract and its various fractions were assessed against Macrophomina phaseolina, a soil-borne fungal pathogen of more than 500 vegetal species as well as rare and emerging opportunistic human pathogen. Different concentrations of methano...

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Autores principales: Shabnam Javed, Zaid Mahmood, Khalid Mohammed Khan, Satyajit D. Sarker, Arshad Javaid, Iqra Haider Khan, Amna Shoaib
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Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:973d9be2e5894723ba84c9e8f70430752021-12-02T15:27:12ZLupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina10.1038/s41598-021-87725-72045-2322https://doaj.org/article/973d9be2e5894723ba84c9e8f70430752021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87725-7https://doaj.org/toc/2045-2322Abstract Antifungal activity of Monotheca buxifolia methanolic extract and its various fractions were assessed against Macrophomina phaseolina, a soil-borne fungal pathogen of more than 500 vegetal species as well as rare and emerging opportunistic human pathogen. Different concentrations of methanolic extract (3.125 to 200 mg mL−1) inhibited fungal biomass by 39–45%. Isolated n-hexane, chloroform and ethyl acetate fractions suppressed fungal biomass by 32–52%, 29–50% and 29–35%, respectively. Triterpenes lupeol and lupeol acetate (1, 2) were isolated from n-hexane while betulin, β-sitosterol, β-amyrin, oleanolic acid (3–6) were isolated from chloroform fraction. Vanillic acid, protocatechuic acid, kaempferol and quercetin (7–10) were isolated from the ethyl acetate fraction and identified using various spectroscopic techniques namely mass spectroscopy and NMR. Antifungal activity of different concentrations (0.0312 to 2 mg mL−1) of the isolated compounds was evaluated and compared with the activity of a broad spectrum fungicide mancozeb. Different concentrations of mencozeb reduced fungal biomass by 83–85%. Among the isolated compounds lupeol acetate (2) was found the highest antifungal against M. phaseolina followed by betulin (3), vanillic acid (7), protocatechuic acid (8), β-amyrin (5) and oleanolic acid (6) resulting in 79–81%, 77–79%, 74–79%, 67–72%, 68–71% and 68–71%, respectively. Rest of the compounds also showed considerable antifungal activity and reduced M. phaseolina biomass by 41–64%.Shabnam JavedZaid MahmoodKhalid Mohammed KhanSatyajit D. SarkerArshad JavaidIqra Haider KhanAmna ShoaibNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Shabnam Javed
Zaid Mahmood
Khalid Mohammed Khan
Satyajit D. Sarker
Arshad Javaid
Iqra Haider Khan
Amna Shoaib
Lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina
description Abstract Antifungal activity of Monotheca buxifolia methanolic extract and its various fractions were assessed against Macrophomina phaseolina, a soil-borne fungal pathogen of more than 500 vegetal species as well as rare and emerging opportunistic human pathogen. Different concentrations of methanolic extract (3.125 to 200 mg mL−1) inhibited fungal biomass by 39–45%. Isolated n-hexane, chloroform and ethyl acetate fractions suppressed fungal biomass by 32–52%, 29–50% and 29–35%, respectively. Triterpenes lupeol and lupeol acetate (1, 2) were isolated from n-hexane while betulin, β-sitosterol, β-amyrin, oleanolic acid (3–6) were isolated from chloroform fraction. Vanillic acid, protocatechuic acid, kaempferol and quercetin (7–10) were isolated from the ethyl acetate fraction and identified using various spectroscopic techniques namely mass spectroscopy and NMR. Antifungal activity of different concentrations (0.0312 to 2 mg mL−1) of the isolated compounds was evaluated and compared with the activity of a broad spectrum fungicide mancozeb. Different concentrations of mencozeb reduced fungal biomass by 83–85%. Among the isolated compounds lupeol acetate (2) was found the highest antifungal against M. phaseolina followed by betulin (3), vanillic acid (7), protocatechuic acid (8), β-amyrin (5) and oleanolic acid (6) resulting in 79–81%, 77–79%, 74–79%, 67–72%, 68–71% and 68–71%, respectively. Rest of the compounds also showed considerable antifungal activity and reduced M. phaseolina biomass by 41–64%.
format article
author Shabnam Javed
Zaid Mahmood
Khalid Mohammed Khan
Satyajit D. Sarker
Arshad Javaid
Iqra Haider Khan
Amna Shoaib
author_facet Shabnam Javed
Zaid Mahmood
Khalid Mohammed Khan
Satyajit D. Sarker
Arshad Javaid
Iqra Haider Khan
Amna Shoaib
author_sort Shabnam Javed
title Lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina
title_short Lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina
title_full Lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina
title_fullStr Lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina
title_full_unstemmed Lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold Macrophomina phaseolina
title_sort lupeol acetate as a potent antifungal compound against opportunistic human and phytopathogenic mold macrophomina phaseolina
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/973d9be2e5894723ba84c9e8f7043075
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