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Table 4 Efficacy of stewing on reducing the PFC concentrations in swimming crab

From: Reduction of perfluorinated compound content in fish cake and swimming crab by different cooking methods

Compound Crab meat (ng/g) Broth (ng/mL) Korean radish (ng/g)
Raw Boiled
with radish
Boiled
without crab
Boiled
with crab
Raw Boiled
without crab
Boiled
with crab
PFOA 20.79 ± 0.17a 16.77 ± 0.42b ND 21.69 ± 0.45a ND ND 3.21 ± 0.19a
PFOS 0.81 ± 0.02a 0.74 ± 0.03b ND 0.65 ± 0.00a ND ND ND
PFBA 0.14 ± 0.01a 0.04 ± 0.01b ND 0.46 ± 0.03a 0.10 ± 0.02a 0.16 ± 0.08a 0.14 ± 0.01a
PFPeA ND ND ND 0.16 ± 0.01a ND ND ND
PFHxA ND ND ND 0.10 ± 0.01a ND ND ND
PFHpA 0.37 ± 0.03a 0.32 ± 0.01b ND 0.54 ± 0.01a ND ND 0.11 ± 0.00a
PFNA 2.89 ± 0.02a 2.30 ± 0.03b ND 1.90 ± 0.01a ND ND 0.22 ± 0.01a
PFDA 0.66 ± 0.02a 0.57 ± 0.02b ND 0.39 ± 0.03a ND ND ND
PFUnDA 0.93 ± 0.01a 0.79 ± 0.02b ND 0.51 ± 0.01a ND ND ND
PFDoDA 0.25 ± 0.02a 0.23 ± 0.01b ND 0.11 ± 0.01a ND ND ND
PFTrDA 1.12 ± 0.06a 1.38 ± 0.09b ND 0.60 ± 0.02a ND ND ND
PFTeDA 0.28 ± 0.01a 0.26 ± 0.02a ND 0.11 ± 0.00a ND 0.09 ± 0.03a ND
PFBS ND ND ND 0.20 ± 0.02a 0.12 ± 0.05a ND ND
PFHxS 0.48 ± 0.03a 0.33 ± 0.03b ND 0.37 ± 0.01a ND ND 0.07 ± 0.01a
L-PFHpS ND ND ND ND ND ND ND
PFDS 0.04 ± 0.01a 0.04 ± 0.01b ND 0.03 ± 0.02a 0.02 ± 0.00a ND 0.01 ± 0.00a
PFOSA 1.54 ± 0.09a 2.55 ± 0.19b ND 0.47 ± 0.02a ND ND ND
MePFOSAA ND ND ND ND ND ND ND
EtPFOSAA ND ND ND ND ND ND ND
Total 30.33 ± 0.10a 26.30 ± 0.61b ND 28.28 ± 0.43a 0.27 ± 0.01a 0.25 ± 0.03a 3.79 ± 0.13b
  1. PFOA: Perfluorooctanoic acid; PFOS: perfluorooctane sulfonate; PFBA: perfluorobutanoic acid; PFPeA: perfluorpentanoic acid; PFHxA: perfluorhexanoic acid; PFHpA: perfluorheptanoic acid; PFNA: perfluorononanoic acid; PFDA: perfluorodecanoic acid; PFUnDA: perfluoroundecanoic acid; PFDoDA: perfluorododecanoic acid; PFTrDA: perfluorotridecanoic acid; PFTeDA: perfluorotetradecanoic acid; PFBS: perfluorobutane sulfonate; PFHxS: perfluorohexane sulfonate; L-PFHpS: sodium perfluoro-1 heptanesulfonate; PFDS: perfluorodecane sulfonate; PFOSA: perfluorooctane sulfonamide; MePFOSAA: methylperfluoro-1 octanesulfonamido acetic acid; EtPFOSAA: ethyl-perfluoro-1 octanesulfonamido acetic acid
  2. a,bValues with different letters within a row indicate a statistically significant difference (p < 0.05)