Sardine: histamine content (0.59 mg/100 g)

0.59 mg/100 g

Reported range 0.30–0.64 mg per 100 g. Concentrations vary with ripeness, storage and processing, so a single figure would be misleading.

By portion

PortionGramsHistamine
1 serving100 g0.59 mg

Source

“Sardine, canned in oil — mean 3.0 mg/kg, range 2.0–6.0 mg/kg (n=10); Mendonça (1992)”
Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance (Food Science & Nutrition 2025;13:e71151) · 2025 · CC BY 4.0
“Sardine, canned in oil — not detected (n=9); Molognoni et al. (2018)”
Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance (Food Science & Nutrition 2025;13:e71151) · 2025 · CC BY 4.0
“Sardine, canned in oil — mean 6.4 mg/kg (n=47); Soares and Gloria (1994)”
Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance (Food Science & Nutrition 2025;13:e71151) · 2025 · CC BY 4.0
“Sardine, fillet, canned in oil — mean 6.0 mg/kg (n=8); Soares and Gloria (1994)”
Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance (Food Science & Nutrition 2025;13:e71151) · 2025 · CC BY 4.0
“Sardine, no skin & spine, canned in oil — mean 5.8 mg/kg (n=15); Soares and Gloria (1994)”
Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance (Food Science & Nutrition 2025;13:e71151) · 2025 · CC BY 4.0

Food composition data, not medical advice. Reported tolerance thresholds vary widely between individuals, so a value being high here does not mean you will react to it.