Table 3. Histamine contents in canned sardines in refined sardine oil (ppm)

Samples Contents
Can 1 23.64
Can 2 24.01
Can 3 24.16
Can 4 23.77
Can 5 23.97
Can 6 23.84
Can 7 24.10
Can 8 23.83
Can 9 23.78
Histamine average1) 23.90±0.17
Values are mean±SD (n=9).