Abstract
The bioproduction of bioactive metabolites from nutmeg endophytic fungi from Cimande, Wesh Java Indonesia was successful. In this research, bioactive antioxidant metabolites were extracted from nutmeg endophytic fungi. Endophytic fungi from nutmeg plant parts were grown on CMMA media. Each fungus was isolated by growing it on PDA media. A total of 21 endophytic fungi isolates were grown on PDB media before being extracted with ethyl acetate as a solvent. The morphology of 21 endophytic fungal isolates was identified based on morphological characteristics. There are 11 Phomopsis sp., 1 Fusarium oxysporum, 5 Colletotrichum sp., 1 Schizophyllum sp., 1 Dematiaceae sp., 1 Coelomycetes sp., and 1 Xylaria sp. The bioautographic TLC method and DPPH-free radical scavenging activity were used to determine antioxidant activity. The antioxidant activity analysis showed that 14 of the 21 endophytic fungus extracts were active. One nutmeg pericarp endophytic fungus showed strong antioxidant activity, with an IC50 of 30.0 g mL-1 and AAI of 1.04. Furthermore, the IC50 values for two fungal extracts from the leaf and pistil nutmeg were less than 100 g.mL-1. The three fungi with IC50 less than 100 g.mL-1 were identified as Phomopsis sp.
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