Table 5
The content of major isoflavonoids of Astragalus memvranaceus fermented with Phellinus linteus

Fermentation time(day)	Content (mg/100 g, dry weight)
	80% EtOH extract				Water extract
	Calycosin-7-O-β-d -glucoside	Ononin	Calycosin	Formononetin	Calycosin-7-O-β-d -glucoside	Ononin	Calycosin	Formononetin
0	21.58±1.68^1)d2)	28.93±2.47^c	16.98±0.76^b	11.54±0.35^b	16.60±0.98^d	14.47±1.73^d	0.45±0.07^a	0.18±0.03^a
10	19.43±1.19^c	26.41±0.71^bc	15.99±0.19^ab	12.38±1.34^b	12.70±0.33^c	10.44±0.15^c	0.88±0.22^a	0.19±0.10^a
20	18.49±1.01^b	24.56±0.75^b	15.79±0.53^ab	9.70±0.27^a	9.87±0.31^b	7.83±0.49^b	3.58±1.70^b	1.23±0.14^b
30	15.23±0.92^a	19.97±1.55^a	15.27±1.21^a	9.66±0.84^a	3.30±0.28^a	2.85±0.08^a	3.91±0.11^b	1.38±0.65^b

¹⁾Values are mean±SD (n=3).
²⁾Means with different superscript in the same column are significantly different at p<0.05 by Duncan’s multiple range tests.