Citrus fruit: histamine content (0.00 mg/100 g)

0.00 mg/100 g

By portion

PortionGramsHistamine
1 medium orange131 g0.00 mg
1 lemon58 g0.00 mg

No detectable histamine, yet excluded by ~60% of published low-histamine diets - the paper attributes this to putrescine (mean 79.75 mg/kg), not histamine.

Source

“Citrus fruits: histamine not detected”
Low-Histamine Diets: Is the Exclusion of Foods Justified by Their Histamine Content? (Nutrients 2021;13(5):1395) · 2021 · 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.