Table 3.
Bioaccessibility of Cu, Pb, As, Cd and Hg in whole C. sinensis, stroma and caterpillar body
| 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 |
Results are expressed as mean ± SD, (n = 3)
W whole C. sinensis, C caterpillar body, S stroma