Table 3. Ferric reducing antioxidant power (FRAP) of high altitude cold desert saxicolous lichens^a.

Lichen species	µM Fe (II)/g extract
	Water	Methanol	n-Hexane
Dermatocarpon vellereum	178.15±8.83	1222.30±82.24*	89.45±7.81*#
Umbilicaria vellea	42.27±2.87	603.81±62.14*	61.43±5.88*#
Rhizoplaca chrysoleuca	95.57±6.02	1112.16±74.21*	108.87±10.56#
Rhizoplaca melanophthalma	133.31±8.62	648.08±67.82*	33.66±4.81*#
Pleopsidium flavum	70.58±4.86	618.56±59.98*	96.93±9.14*#
Xanthoparmelia mexicana	77.49±5.23	1479.63±85.12*	115.23±10.23*#
Acarospora badiofusca	123.02±8.26	1394.79±92.61*	114.16±12.66#
Xanthoria elegans	105.34±7.91	191.86±18.01*	136.55±12.91*#
Lecanora frustulosa	76.32±4.63	338.68±34.81*	74.02±6.86#
Lobothallia alphoplaca	47.25±2.39	1673.32±94.83*	52.40±6.11*#
Physconia muscigena	72.85±5.04	740.90±67.86*	127.64±10.86*#
Melanelia disjuncta	61.76±4.49	395.33±44.21*	98.12±8.68*#
Xanthoparmelia stenophylla	133.65±7.31	646.72±67.11*	37.38±4.45*#
Peccania coralloides	335.19±12.92	1353.46±84.18*	109.82±11.66*#
Ascorbic acid	9851.60±752.15
BHTb	3160.14±251.72

^aMean ±SD of three replicates;

^bButylated hydroxytoluene.

p<0.05: *compared with water extract; ^#compared with methanol extract.