Antioxidant and Antimicrobial Properties of the Essential Oil and Extracts of Zanthoxylum alatum Grown in North-Western Himalaya

Table 3

Antibacterial activity of the essential oil and methanol extract of Zanthoxylum alatum.

Microorganism	Zone of inhibition (mm)			MIC (μg/mL)
	Essential oil^a	MeOH extract^b	CF	Essential oil
B. subtilis MTCC2389	15	—	19	500
M. luteus MTCC4821	21	—	20	62.5
S. aureus MTCC7443	19	—	21	125.5
E. coli MTCC2127	18	—	24	250
P. aeruginosa MTCC2642	7	—	18	>1000

Diameter of inhibition zone includes the diameter of the well (6 mm); ^aessential oil (2 μL well⁻¹); ^bMeOH extract (2 mg well⁻¹); standard antibiotic: CF: chloramphenicol (10 μL well⁻¹); MIC: minimum inhibitory concentration. —: not detected.