Mushroom: oxalate content (0.60 mg/100 g)

0.60 mg/100 g

Reported range 0.50–0.70 mg per 100 g. Concentrations vary with ripeness, storage and processing, so a single figure would be misleading.

By portion

Portion	Grams	Oxalate
1 cup sliced	70 g	0.42 mg
1 serving	100 g	0.60 mg

Source

“Mushroom Agaricus bisporus — Canned: total 0.7, soluble 0.4 (mg/100 g FW)”

Oxalate in Foods: Extraction Conditions, Analytical Methods, Occurrence, and Health Implications (Foods 2023;12(17):3201) · 2023 · CC BY 4.0

“Mushroom Agaricus bisporus — Boiled: total 0.5, soluble 0.1 (mg/100 g FW)”

Oxalate in Foods: Extraction Conditions, Analytical Methods, Occurrence, and Health Implications (Foods 2023;12(17):3201) · 2023 · 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.