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Table 1 TMA amounts found in some sushi and squid samples

From: Screening freshness of seafood by measuring trimethylamine (TMA) levels using helium-plasma ionization mass spectrometry (HePI-MS)

Sample

Average amount (μg/g)

Squid sample (0.8 g)

17.2

A piece of salmon recovered from a sushi sample (0.8 g)

~ 0.24a

A piece of shrimp recovered from a sushi sample (0.8 g)

~ 0.16a

  1. aAmounts estimated by extrapolating the calibration curve