Serial Exhaustive Extraction Revealed Antimicrobial and Antioxidant Properties of Platycerium stemaria (Beauv) Desv

Table 2

Minimum inhibitory (MIC) concentrations (μg/mL) of fractions.

Extracts	Fractions	Yield (%)	SF	SA	KP
PsHex		2.242		—	—
	frH(PsHex)	1.70	>500	—	—
	frM(PsHex)	0.54	>500	—	—
PsH2O(H)		3.478	—	—
	frH(PsH2O(H))	1.01	—	—
	frEA(PsH2O(H))	2.4	—	—
PsMeOH(EA)		4.32	—		—
	frH(PsMeOH(EA))	1.0	—	>500	—
	frM(PsMeOH(EA))	2.4	—		—
	P1(PsMeOH (EA))	0.80	—	>500	—
PsMeOH		1.462		—	—
	frM(PsMeOH)	0.9	>500	—	—
	frH(PsMeOH)	0.4	>500	—	—
	P(PsMeOH)	0.160		—	—

KP: Klebsiella pneumonia; SF: Shigella flexineri; SA: Staphylococcus aureus; PsHex: Hexane extract of P. stemaria; frH(PsHex): hexanic fraction from PsHex; frM(PsHex): methanol fraction from PsHex; PsH₂O(H): aqueous extract from the hexane/EtOAc/MeOH residue of P. stemaria; frH(PsH₂O(H)): hexane fraction from PsH₂O(H); frEA(PsH₂O(H)): ethyl acetate fraction from PsH₂O(H); PsMeOH(EA): methanol extract from the ethyl acetate residue of P. stemaria; frH(PsMeOH(EA)): hexane fraction from PsMeOH(EA); frM(PsMeOH(EA)): methanol fraction from PsMeOH(EA); P(PsMeOH (EA)): precipitate fraction from PsMeOH (EA); PsMeOH: methanol extract of P. stemaria; frM(PsMeOH): methanolic fraction from PsMeOH; frH(PsMeOH): hexane fraction from PsMeOH; P(PsMeOH): precipitate fraction from PsMeOH.