Table 1 BMAA contents in the seafood purchased in eight supermarkets in Stockholm, Sweden during 2013 and 2014

From: Quantification of neurotoxin BMAA (β-N-methylamino-L-alanine) in seafood from Swedish markets

Name (Species/*Infraorder)

Supermarket

Purchase Date

Capture Site

Production Mode

Process and Preservation Method

BMAA/Tissue (μg/g)

Blue mussel (Mytilus edulis)

S1

Feb. 14, 2013

Sweden (west coast)

farmed

raw

0.90

 

S2-L1

Sep. 03, 2013

Sweden (west coast)

farmed

raw

0.34

 

S1

Sep. 04, 2013

Sweden (west coast)

farmed

raw

0.42

 

S3

Oct. 08, 2013

Sweden (west coast)

farmed

raw

0.25

 

S6

Oct. 09, 2013

Sweden (west coast)

farmed

raw

0.19

 

S7

Oct. 09, 2013

Sweden (west coast)

farmed

raw

0.08

Oyster (Ostrea edulis, **Crassostrea gigas)

S1

Sep. 04, 2013

Greece

farmed

raw

0.32

 

S3

Oct. 08, 2013

France**

farmed

raw

0.66

 

S6

Oct. 09, 2013

Sweden (west coast)

farmed

raw

0.10

 

S7

Oct. 09, 2013

Sweden (west coast)

farmed

raw

0.28

Shrimp (*Caridea)

S1

Sep. 04, 2013

Sweden

caught

cooked

0.20

 

S2-L2

Oct. 08, 2013

Northern Atlantic

caught

smoked

0.11

 

S3

Oct. 08, 2013

Northern Atlantic

caught

cooked

0.20

 

S4

Oct. 08, 2013

Sweden

caught

cooked/frozen

0.17

 

S6

Oct. 09, 2013

Sweden

caught

cooked/frozen

0.46

 

S7

Oct. 09, 2013

Sweden

caught

cooked

0.13

Plaice (Pleuronectes platessa)

S1

Sep. 04, 2013

Northeast Atlantic

caught

raw

0.01

 

S1

Feb. 14, 2013

Northeast Atlantic

caught

raw

0.01

 

S5

Oct. 09, 2013

Baltic Sea

caught

raw

0.02

Baltic Herring (Clupea harengus)

S1

Feb. 14, 2013

Baltic Sea

caught

raw

ND

 

S1

Sep. 04, 2013

Baltic Sea

caught

raw

0.02

 

S5

Oct. 09, 2013

Baltic Sea

caught

raw

ND

Salmon (Salmo salar)

S2-L1

Sep. 03, 2013

Norway

farmed

raw

ND

 

S1

Sep. 04, 2013

Norway

farmed

raw

ND

 

S2-L1

Aug. 07, 2014

Norway

farmed

raw

ND

 

S1

Aug. 07, 2014

Norway

farmed

raw

ND

Char (Salvelinus alpinus)

S1

Feb. 14, 2013

Sweden

farmed

raw

ND

 

S2-L1

Sep. 03, 2013

Sweden

farmed

raw

0.01

 

S1

Sep. 04, 2013

Sweden

farmed

raw

ND

Cod (Gadus morhua)

S2-L1

Sep. 03, 2013

Norway

caught

raw

ND

 

S1

Sep. 04, 2013

Norway

caught

raw

ND

 

S2-L1

Aug. 07, 2014

Norway

caught

raw

ND

 

S1

Aug. 07, 2014

Norway

caught

raw

ND

Perch (Perca fluviatilis)

S1

Feb. 14, 2013

Northeast Atlantic

caught

raw

ND

 

S1

Sep. 04, 2013

Northeast Atlantic

caught

raw

ND

 

S1

Aug. 07, 2014

Sweden (lake)

caught

raw

ND

 

S2-L1

Aug. 07, 2014

Sweden (lake)

caught

raw

ND

Crayfish (Astacus leptodactylus)

S2-L1

Sep. 03, 2013

Turkey

unknown

cooked/frozen

ND

 

S1

Sep. 04, 2013

Sweden (lake)

caught

cooked

ND

 

S2-L1

Aug. 07, 2014

Turkey

caught

cooked/frozen

ND

 

S1

Aug. 07, 2014

Turkey

caught

cooked/frozen

ND

 

S2-L1

Aug. 07, 2014

Sweden (lake)

caught

cooked

ND

 

S7

Aug. 07, 2014

Sweden

caught

cooked

ND

  1. ND: not detectable (i.e., below the method LOD at 0.01 μg BMAA/g wet weight of sample tissue); S1–7 refers to the seven supermarkets where the samples were purchased; L1–2 refers to locations 1 and 2.
  2. The part analyzed was the whole soft body for blue mussel and oyster and muscle for others.