Table S1

Levels of Cd, Hg and Pb in foods from Zhejiang province, China

Food Type / N / Cd / Hg / Pb
Mean / Range / Mean / Range / Mean / Range
Freshwater
Grass carp (Ctenopharyngodon idellus) / 7 / 0.016 / ND-0.075 / 0.010 / 0.004-0.017 / 0.005 / ND-0.031
Crayfish (Procambarus clarkii) / 17 / 0.009 / ND-0.026 / 0.021 / 0.063 / 0.068 / ND-0.55
Chinese Mitten Crab (Eriocheir sinensis) / 9 / 0.184 / 0.005-1.430 / 0.025 / 0.008-0.013 / 0.030 / ND-0.31
River Prawn (Macrobrachium nipponensis) / 50 / 0.027 / ND-0.200 / 0.021 / ND-0.16 / 0.060 / ND-0.39
Crucian (Carassius auratus) / 42 / 0.012 / ND-0.095 / 0.013 / ND-0.067 / 0.037 / ND-0.183
Common Carp
(Cyprinus carpio) / 2 / 0.012 / 0.009-0.014 / 0.003 / ND-0.009 / 0.024 / 0.005-0.043
Silver carp
(Hypophthalmichthys molitrix) / 23 / 0.006 / ND-0.0073 / 0.024 / ND-0.151 / 0.042 / ND-0.19
Margarya (Bellamya purificata) / 53 / 0.024 / ND-0.180 / 0.018 / ND-0.087 / 0.097 / ND-1.008
Freshwater mussels
(Novaculina chinensis) / 6 / 0.028 / ND-0.013 / 0.005 / ND-0.064 / 0.055 / 0.071-0.195
Blue mussels (Mytilus edulis) / 7 / 0.054 / ND-0.019 / 0.004 / ND-0.074 / 0.027 / 0.027-0.283
Marine
Pomfret (Pampus argenteus) / 5 / 0.008 / ND-0.03 / 0.026 / 0.018-0.042 / 0.018 / ND-0.11
Hairtail (Trichiurus japonicus) / 8 / 0.009 / ND-0.024 / 0.074 / 0.015-0.190 / 0.094 / ND-0.29
Japanese sea perch
(Lateolabrax japonicas) / 5 / 0.006 / ND-0.006 / 0.023 / ND-0.023 / 0.073 / ND-0.073
Swimming crab
(Portunus trituberculatus) / 25 / 0.196 / 0.130-0.354 / 0.027 / 0.015-0.042 / 0.024 / 0.014-0.051
Large Yellow Croaker (Pseudosciaena crocea) / 2 / 0.001 / ND-0.003 / 0.038 / 0.033-0.043 / 0.005 / ND-0.007
Small yellow croaker
(Larimichthys polyactis Bleeker) / 5 / 0.013 / ND-0.029 / 0.030 / ND-0.056 / 0.052 / ND-0.016
Meat
Pork (Sus vittatus) / 95 / 0.007 / ND-0.073 / 0.014 / ND-0.131 / 0.051 / ND-0.166
Fresh vegetables
White Shimeji (Hypsizygus marmoreus) / 3 / 0.048 / 0.016-0.095 / 0.003 / ND-0.009 / 0.006 / ND-0.028
Spinach (Spinacia oleracea) / 5 / 0.057 / 0.009-0.160 / ND / ND / 0.020 / 0.007-0.039
Golden Mushroom (Pleurotus citrinopileatus) / 8 / 0.010 / ND-0.027 / ND / ND / 0.046 / ND-0.170
Chinese cabbage (Brassica rapa pekinensis) / 6 / 0.004 / 0.002-0.007 / 0.001 / ND-0.010 / 0.010 / ND-0.025
Chicken-Leg Like Mushroom (Coprinus comatus) / 2 / 0.002 / ND-0.006 / 0.005 / ND-0.020 / ND / ND
Needle mushroom (Flammulina velutiper) / 14 / 0.010 / 0.001-0.037 / 0.009 / ND-0.140 / 0.015 / ND-0.061
Chinese chive (Allium tuberosum) / 4 / 0.040 / 0.02-0.05 / ND / ND / 0.005 / ND-0.020
Cabbages (Cabbage Leather Coral) / 20 / 0.020 / ND-0.160 / ND / ND-0.003 / 0.017 / ND-0.100
Water Spinach (Ipomoea aquatica Forsk) / 14 / 0.021 / 0.002-0.090 / 0.002 / ND-0.064 / 0.009 / ND-0.057
Tinny mushroom / 2 / 0.016 / ND-0.033 / 0.019 / ND-0.080 / ND / ND
Radish (Raphanus sativus) / 74 / 0.012 / ND-0.096 / 0.001 / ND-0.018 / 0.029 / ND-0.350
Potato (Solanum tuberosum) / 88 / 0.027 / ND-0.520 / 0.001 / ND-0.065 / 0.039 / ND-0.750
Even mushroom (Pleurotus ostreatus) / 10 / 0.042 / ND-0.093 / 0.005 / ND-0.042 / 0.031 / ND-0.120
Celery (Apium graveolens dulce) / 4 / 0.001 / ND-0.005 / ND / ND-0.002 / ND / ND
Lettuce (Lactuca sativa) / 10 / 0.033 / 0.004-0.082 / 0.001 / ND-0.007 / 0.079 / 0.019-0.410
Button mushroom (Agaricus bisporus) / 5 / 0.031 / 0.001-0.054 / 0.050 / ND-0.350 / ND / ND
Shiitake mushroom (Entinus edodes) / 22 / 0.076 / ND-0.160 / 0.012 / ND-0.097 / 0.039 / ND-0.151
Pakchoi (Brassica chinensis) / 24 / 0.035 / ND-0.140 / 0.003 / ND-0.015 / 0.047 / ND-0.150
Xiuzhen Mushroom (Pleurotus geesteranus) / 4 / 0.039 / 0.018-0.079 / 0.004 / ND-0.016 / 0.093 / ND-0.370
Rape (Brassica campestris) / 25 / 0.025 / ND-0.081 / 0.002 / ND-0.010 / 0.015 / ND-0.065
Dairy products
Milk / 11 / 0.001 / ND-0.014 / 0.001 / ND-0.009 / 0.007 / ND-0.042
Fermented milk drink / 3 / ND / ND-0.001 / 0.026 / ND-0.070 / ND / ND
Yoghourt / 11 / 0.002 / ND-0.027 / ND / ND-0.003 / ND / ND-0.010
Cereal grains
Rice (Oryza sativa) / 81 / 0.015 / ND-0.03 / 0.001 / ND-0.013 / 0.040 / ND-0.062
Glutinous rice (Oryza sativa) / 6 / 0.009 / 0.003-0.015 / ND / ND / 0.028 / ND-0.153
Rice (unpolished) (Oryza sativa) / 10 / 0.011 / ND-0.099 / ND / ND / 0.089 / 0.029-0.190
Maize (Zea mays) / 35 / 0.005 / ND-0.030 / 0.005 / ND-0.046 / 0.015 / ND-0.103

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