Table 1 Concentration of P-CTX-1 equiv./kg tissue in crude stomach, flesh and fin extracts as determined by mouse bio-assay (MBA), Neuro-2a cell-based assay (CBA) and liquid chromatography coupled to high resolution mass spectrometry (LC-ESI-HRMS).

From: Identification of ciguatoxins in a shark involved in a fatal food poisoning in the Indian Ocean

Crude extract

MBA (µg P-CTX-1 equiv./kg tissue)

CBA (µg P-CTX-1 equiv./kg tissue)

LC-ESI-HRMS (µg P-CTX-1 equiv./kg tissue)

I-CTX-1&2

I-CTX-3&4

Σ I-CTXs

flesh

n.q.

0.06

n.d.

n.d.

n.d.

stomach

83

92.78

6.54

9.74

16.28

fin 1

0.12

fin 2

0.79

n.d.

n.d.

n.d.

fin 3

0.17