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Table 3 Bioaccessibility of Cu, Pb, As, Cd and Hg in whole C. sinensis, stroma and caterpillar body

From: Bioaccessibility and risk assessment of heavy metals, and analysis of arsenic speciation in Cordyceps sinensis

Part Index (%) Cu Pb As Hg Cd
  Total heavy metal content (mg kg−1) 15.21 ± 1.10 1.44 ± 0.46 9.70 ± 0.62 0.06 ± 0.02 0.11 ± 0.02
W Bioaccessibility (%) 41.29 ± 1.86 40.11 ± 18.18 64.46 ± 6.68 18.91 ± 14.63 81.14 ± 10.66
Gastric extract (%) 41.00 ± 2.00 11.25 ± 13.10 49.24 ± 3.95 10.09 ± 5.03 76.92 ± 28.31
Intestinal extract (%) 0.29 ± 0.30 28.87 ± 12.63 15.21 ± 3.02 8.88 ± 9.58 9.53 ± 11.31
Total heavy metal content (mg kg−1) 15.02 ± 0.95 1.39 ± 0.46 13.47 ± 0.84 0.06 ± 0.01 0.08 ± 0.01
C Bioaccessibility (%) 48.26 ± 3.69 42.92 ± 5.14 66.15 ± 2.19 12.86 ± 3.57 87.07 ± 4.39
Gastric extract (%) 44.19 ± 1.67 18.24 ± 11.00 52.54 ± 2.10 7.22 ± 1.88 83.94 ± 4.45
Intestinal extract (%) 4.07 ± 4.06 24.68 ± 8.53 13.61 ± 1.63 5.70 ± 5.40 3.13 ± 0.23
Total heavy metal content (mg kg−1) 18.63 ± 0.57 2.06 ± 0.44 1.49 ± 0.17 0.07 ± 0.01 0.22 ± 0.06
S Bioaccessibility (%) 38.30 ± 3.80 30.53 ± 10.80 30.18 ± 9.62 7.46 ± 0.10 82.30 ± 0.49
Gastric extract (%) 35.77 ± 0.90 13.68 ± 6.37 18.70 ± 5.70 3.05 ± 1.95 79.03 ± 0.28
Intestinal extract (%) 2.53 ± 3.30 16.85 ± 4.49 11.45 ± 4.51 4.56 ± 2.19 3.28 ± 0.24
  1. Results are expressed as mean ± SD, (n = 3)
  2. W whole C. sinensis, C caterpillar body, S stroma