Wine: histamine content (0.36 mg/100 g)

0.36 mg/100 g

Reported range 0.36–3.42 mg per 100 g. Concentrations vary with ripeness, storage and processing, so a single figure would be misleading.

By portion

PortionGramsHistamine
1 glass (5 oz)148 g0.54 mg

Source

“Wine: mean 3.63 mg/kg, maximum 34.25 mg/kg”
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.