A comparative in vitro study on antifungal and antioxidant activities of Nervilia aragoana and Atlantia monophylla

Figures & data

Table 1.  Antifungal activity and MIC values of ethyl acetate extract of N. aragoana and ethanolic extract of A. monophylla.

Inhibitory zones (mm) and concentration (mg/mL)
	N. aragona						A. monophylla
Fungi	C	0.5	1	2	5	MIC*	0.5	1	2	5	MIC*
C. albicans	18	–	–	–	8	nt	8	11	14	18	0.95
A. niger	22	–	–	ft	12	1.2	10	13	15	18	0.65
A. fumigatus	–	–	12	14	16	0.95	–	–	–	–	nt
C. neoformans	12	–	14	18	26	0.75	9	12	14	16	1
S. cerevisiae	12	ft	8	10	16	1.4	–	–	–	–	nt

C, control (ketcanazole 10µg/disc); ft, faint traces; nt, not tested; MIC* values expressed as mg/mL.

Figure 1.  Screening of antioxidant activity by TLC-DPPH method (A) Ethyl acetate extract of N. aragoana and (B) Ethanolic extract of A. monophylla).

Figure 2.  DPPH free radical scavenging activity of ethyl acetate extract of N. aragoana and ethanolic extract of A. monophylla.

Figure 3.  Superoxide scavenging activity of ethyl acetate extract of N. aragoana and ethanolic extract of A. monophylla.

Figure 4.  Nitric oxide scavenging activity of ethyl acetate extract of N. aragoana and ethanolic extract of A. monophylla.

Figure 5.  Hydrogen peroxide scavenging activity of ethyl acetate extract of N. aragoana and ethanolic extract of A. monophylla.

Figure 6.  ABTS scavenging activity of ethyl acetate extract of N. aragoana and ethanolic extract of A. monophylla.

Figure 7.  Reducing power of ethyl acetate extract of N. aragoana and ethanolic extract of A. monophylla.