Castanha: histamine content (0.06 mg/100 g)
Castanha contains about 0.06 mg of histamine per 100 g, which is low for histamine.
0.06 mg/100 g
Reported range below detection to 0.37 mg per 100 g. Some samples had none detectable; the floor is a threshold, not a measurement.Concentrations vary with ripeness, storage and processing, so a single figure would be misleading.
By portion
| Portion | Grams | Histamine |
|---|---|---|
| 1 serving | 100 g | 0.06 mg |
Source
“Castanha, Umbrina sp., Sciaenidae, frozen — mean 0.6, range nd–3.7 mg/kg (n=16); Soares et al. (1998)”
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.