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Table 3 Effect of soaking for 1 h in different concentrations of salt solution on the reducing the PFCs (ng/g) in swimming crab

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

Compound

Control

Crab meat

Distilled water

10% salt solution

15% salt solution

PFOA

12.49 ± 0.90a

4.28 ± 0.11c

6.14 ± 0.22b

5.83 ± 0.22b

PFOS

7.68 ± 0.10a

5.16 ± 0.13b

3.72 ± 0.09c

5.10 ± 0.14b

PFBA

0.73 ± 0.02a

0.52 ± 0.02b

0.45 ± 0.03c

0.49 ± 0.05bc

PFPeA

0.09 ± 0.01a

ND

0.11 ± 0.00ab

0.13 ± 0.02a

PFHxA

0.06 ± 0.00a

ND

ND

0.05 ± 0.01b

PFHpA

0.41 ± 0.01a

0.1 ± 0.00d

0.16 ± 0.01b

0.12 ± 0.01c

PFNA

1.87 ± 0.08a

0.97 ± 0.07c

1.07 ± 0.01c

1.35 ± 0.02b

PFDA

0.92 ± 0.05a

0.63 ± 0.05b

0.52 ± 0.02c

0.63 ± 0.02b

PFUnDA

1.54 ± 0.02a

0.94 ± 0.04c

1.12 ± 0.02b

0.84 ± 0.03d

PFDoDA

0.61 ± 0.02a

0.26 ± 0.01c

0.31 ± 0.01b

0.25 ± 0.01c

PFTrDA

2.42 ± 0.25a

1.69 ± 0.07b

1.76 ± 0.12b

1.33 ± 0.03c

PFTeDA

0.68 ± 0.03a

0.38 ± 0.01c

0.43 ± 0.03b

0.38 ± 0.01c

PFBS

0.08 ± 0.01a

0.09 ± 0.01a

0.06 ± 0.01b

ND

PFHxS

0.47 ± 0.02a

0.15 ± 0.01c

0.19 ± 0.02b

0.18 ± 0.02bc

L-PFHpS

ND

ND

ND

0.10 ± 0.01a

PFDS

0.25 ± 0.10a

0.25 ± 0.06a

0.12 ± 0.04a

0.17 ± 0.05a

PFOSA

1.99 ± 0.22a

1.26 ± 0.12c

1.91 ± 0.14ab

1.69 ± 0.07b

MePFOSAA

ND

ND

ND

ND

EtPFOSAA

ND

ND

ND

ND

Total

32.38 ± 0.66a

16.79 ± 0.66c

18.49 ± 0.46b

18.68 ± 0.42b

  1. ND: Not detected
  2. 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
  3. a–dWith different letters within a row indicate a statistically significant difference (p < 0.05)