Abstract
ABSTRACT The monitoring of six biogenic amines (histamine, putrescine, cadaverine, tyramine, spermine, and spermidine) in tilapia (Oreochromis niloticus) flesh held at +4°C and +30°C was accomplished using a straightforward, inexpensive, and trustworthy HPTLC approach. For the three tested concentrations of 50, 100, and 200 mg kg−1, the performance parameters of the method were good in terms of linearity within the range of 25–300 mg kg−1 (R2 ≥ 0.984), precision (RSD ≤ 16%), trueness and accuracy (-20% to +10% range). The shelf life of tilapia was restricted to 18 hours under ambient storage conditions due to its putrescine and cadaverine contents.
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