Arsenic Content, Speciation, and Distribution in Wild Cordyceps sinensis

Table 3

As speciation analysis in wild C. sinensis preparations by 0.15 mol/L HNO₃.

No.	AsC	AsB	As(III)^a	DMA	MMA	As(V)^a	iAs	ETAs^b	RTAs^c	iAs^d (%)
C1	ND	ND	0.127 ± 0.007	ND	ND	0.180 ± 0.006	0.307	6.858	1.103	4.47
C2	ND	ND	0.202 ± 0.004	ND	ND	0.263 ± 0.017	0.465	4.073	1.546	11.42
C3	ND	ND	0.126 ± 0.002	ND	ND	0.191 ± 0.013	0.316	5.231	3.722	6.05
C4	ND	ND	0.215 ± 0.001	ND	ND	0.208 ± 0.025	0.422	8.415	0.917	5.02
C5	ND	ND	0.194 ± 0.043	ND	ND	0.196 ± 0.000	0.391	4.949	2.435	7.89
C6	ND	ND	0.473 ± 0.058	ND	ND	0.265 ± 0.016	0.738	6.745	5.984	10.94

Note. ND: not detected. ^aData are the mean ± SD, μg/g. ^bTotal arsenic of sample extracted solution, μg/g. ^cArsenic content of residues after the extraction, μg/g. ^dPercentage of inorganic arsenic in extracted solution (%).