Protolichesterinic Acid: A Prominent Broad Spectrum Antimicrobial Compound from the Lichen Usnea albopunctata

Table 2

Antifungal activity of protolichesterinic acid.

Test bacteria	Protolichesterinic acid		Amphotericin B
	MIC; (μg/mL)	Diameter of zone of inhibition (mm)	MIC; (μg/mL)	Diameter of zone of inhibition (mm)
A. flavus	8	21	4	23
C. albicans	4	17	1	16
C. tropicalis	2	24	1	19
T. rubrum	0.12	37	2	24