Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterization

Abstract The objective of this study was to convert homopterocarpin derived from Pterocarpus macrocarpus Kurz. heartwood to medicarpin using Aspergillus niger (strain UI X-172) and assess its antioxidant, antiplasmodial, and anticancer activities in silico and in vitro. This study highlighted biotra...

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Main Authors: Dwi Kusuma Wahyuni, Sumrit Wacharasindhu, Wichanee Bankeeree, Hunsa Punnapayak, Sastia Prama Putri, Sehanat Prasongsuk
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-06729-9
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author Dwi Kusuma Wahyuni
Sumrit Wacharasindhu
Wichanee Bankeeree
Hunsa Punnapayak
Sastia Prama Putri
Sehanat Prasongsuk
author_facet Dwi Kusuma Wahyuni
Sumrit Wacharasindhu
Wichanee Bankeeree
Hunsa Punnapayak
Sastia Prama Putri
Sehanat Prasongsuk
author_sort Dwi Kusuma Wahyuni
collection DOAJ
description Abstract The objective of this study was to convert homopterocarpin derived from Pterocarpus macrocarpus Kurz. heartwood to medicarpin using Aspergillus niger (strain UI X-172) and assess its antioxidant, antiplasmodial, and anticancer activities in silico and in vitro. This study highlighted biotransformation of homopterocarpin to medicarpin via demethylation. Medicarpin demonstrated antioxidant activity against 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS, IC50 = 0.61 ± 0.05 µg/mL) and 1,1-diphenyl-2-picrylhydrazyl (DPPH, IC50 = 7.50 ± 1.6 µg/mL), antiplasmodial activity against the Plasmodium falciparum strain 3D7 (IC50 = 0.45 ± 0.35 µg/mL), and anticancer efficacy against a hepatocyte-derived carcinoma cell line (Huh7it-1 cells, IC50 = 34.32 ± 5.56 µg/mL). Medicarpin also showed favorable antioxidant, antiplasmodial, and anticancer properties in silico with a binding affinity lower than commercial drugs. These results highlight the green synthesis of medicarpin by microbial transformation using A. niger, which demonstrates promising in vitro and computational activity, however, further studies are required for clinical development.
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spelling doaj-art-9bdf1897f3a04b4cb0be3d551bd862832025-08-20T03:42:45ZengNature PortfolioScientific Reports2045-23222025-07-0115112010.1038/s41598-025-06729-9Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterizationDwi Kusuma Wahyuni0Sumrit Wacharasindhu1Wichanee Bankeeree2Hunsa Punnapayak3Sastia Prama Putri4Sehanat Prasongsuk5Plant Biomass Utilization Research Unit, Department of Botany, Faculty of Science, Chulalongkorn UniversityDepartment of Chemistry, Faculty of Science, Chulalongkorn UniversityPlant Biomass Utilization Research Unit, Department of Botany, Faculty of Science, Chulalongkorn UniversityPlant Biomass Utilization Research Unit, Department of Botany, Faculty of Science, Chulalongkorn UniversityDepartment of Biotechnology, Graduate School of Engineering, Osaka UniversityPlant Biomass Utilization Research Unit, Department of Botany, Faculty of Science, Chulalongkorn UniversityAbstract The objective of this study was to convert homopterocarpin derived from Pterocarpus macrocarpus Kurz. heartwood to medicarpin using Aspergillus niger (strain UI X-172) and assess its antioxidant, antiplasmodial, and anticancer activities in silico and in vitro. This study highlighted biotransformation of homopterocarpin to medicarpin via demethylation. Medicarpin demonstrated antioxidant activity against 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS, IC50 = 0.61 ± 0.05 µg/mL) and 1,1-diphenyl-2-picrylhydrazyl (DPPH, IC50 = 7.50 ± 1.6 µg/mL), antiplasmodial activity against the Plasmodium falciparum strain 3D7 (IC50 = 0.45 ± 0.35 µg/mL), and anticancer efficacy against a hepatocyte-derived carcinoma cell line (Huh7it-1 cells, IC50 = 34.32 ± 5.56 µg/mL). Medicarpin also showed favorable antioxidant, antiplasmodial, and anticancer properties in silico with a binding affinity lower than commercial drugs. These results highlight the green synthesis of medicarpin by microbial transformation using A. niger, which demonstrates promising in vitro and computational activity, however, further studies are required for clinical development.https://doi.org/10.1038/s41598-025-06729-9Aspergillus NigerBiological propertiesBiotransformationHomopterocarpinMedicarpin
spellingShingle Dwi Kusuma Wahyuni
Sumrit Wacharasindhu
Wichanee Bankeeree
Hunsa Punnapayak
Sastia Prama Putri
Sehanat Prasongsuk
Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterization
Scientific Reports
Aspergillus Niger
Biological properties
Biotransformation
Homopterocarpin
Medicarpin
title Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterization
title_full Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterization
title_fullStr Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterization
title_full_unstemmed Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterization
title_short Biotransformation of medicarpin from homopterocarpin by Aspergillus niger and its biological characterization
title_sort biotransformation of medicarpin from homopterocarpin by aspergillus niger and its biological characterization
topic Aspergillus Niger
Biological properties
Biotransformation
Homopterocarpin
Medicarpin
url https://doi.org/10.1038/s41598-025-06729-9
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