Table 5. Changes in sulfur content of shiitake mushroom substrate (SMS) during the fermentation period

Day	Sulfur content (%)
	CG1)	L	M	H
0	3.41±0.162)aBC3)	2.92±0.07bC	3.03±0.63bA	2.92±0.11bB
3	3.24±0.07aD	3.07±0.03bB	2.79±0.05cB	2.81±0.04cB
7	3.27±0.03aCD	3.32±0.11aA	2.88±0.06bAB	2.91±0.11bB
14	3.49±0.04aB	3.12±0.02bB	3.01±0.15bcA	2.94±0.03cB
21	4.15±0.06aA	2.91±0.05cC	2.95±0.04cAB	3.18±0.11bA

CG, control group; L, low, FB-5 0.001% inoculation; M, mild, FB-5 0.1% inoculation; H, high, FB-5 10% inoculation.
All values are mean±SD (n=3).
Different letters lowercase (^a-c) for dates, uppercase (^A-D) for samples indicate significant differences (p<0.05) by Duncan’s multiple range test.