White Back Black Fungus (Dried)
Vegetables · Vegetables
The Monash entry 'Fungus, white back black, dried' lists 75 g, about half a cup, as low FODMAP, with all six indicators green. It also describes a green range up to 500 g. Those references identify the named food; the larger range is not a meal recommendation.
Serving sizes for white back black fungus (dried)
White-back black fungus entry, titled dried: 75 g green and an explicit green range up to 500 g. A hydrated equivalent was not established by the inspected panel.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 1/2 cup | 75 g | None detected | |
| 500 g portion | 500 g | None detected |
Breakdown for 0.5 cups
Is white back black fungus (dried) low FODMAP?
The entry title specifies dried fungus, but the inspected panel does not provide a dry-to-rehydrated conversion or a separately tested cooked weight. This guide therefore does not tell you to substitute the same number of grams of prepared fungus. It also does not extend the result to every mushroom sold as wood ear.
White Back Black Fungus (Dried) and IBS: what to know
Safe soaking is a different question from FODMAP content. Hong Kong's Centre for Food Safety advises washing dried fungus, using clean containers, keeping room-temperature soaking within two hours and refrigerating longer soaks. Use soaked fungus promptly and discard it if slimy or abnormally smelling.
Gut-friendly ways to eat white back black fungus (dried)
Follow the packet's soaking and cooking instructions and keep a note of the preparation used. If the packet's terminology does not match the app entry, seek clarification before treating the weights as interchangeable. Compare dried shiitake or drained canned champignons through their own entries; processing and species belong with each portion reference.
Frequently asked questions
Can I use the listed grams for soaked black fungus?
No conversion was provided in the check. Do not silently relabel the source's dried entry as a tested soaked or cooked portion.
Does a green rating make prolonged room-temperature soaking safe?
No. Follow the separate food-safety guidance for soaking and storage; a carbohydrate rating does not assess microbial growth.
Does this cover all dried mushrooms?
It covers the named white-back black fungus entry. Other mushroom species and preparations have separate results and should be checked individually.
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Sources and editorial notes
- Monash University FODMAP Diet App
Monash University FODMAP Diet app entry “Fungus, white back black, dried” checked directly on 27 September 2026. The portion weights, traffic-light ratings and FODMAP groups discussed here were verified in matching detail panels. Numerical FODMAP concentration estimates elsewhere in the catalogue were not validated by this check.
- Hong Kong Centre for Food Safety — Safe preparation of dried mushrooms and black fungus
Soaking, prompt use and spoilage advice checked 27 September 2026.