Roma / Plum Tomato (Raw)
Vegetables · Tomatoes
Raw Roma or plum tomatoes are low FODMAP at 48 g, approximately one-third of a medium tomato, in the Monash app. The 64 g portion is moderate in fructose and 75 g is high. Use the raw variety's figures when slicing a fresh tomato, rather than the serving for a can.
Serving sizes for roma / plum tomato (raw)
Roma/plum tomato, raw: 48 g green, 64 g amber and 75 g red. Match fresh fruit by variety and weight.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 2/3 medium | 75 g | Fructose 0.15 g | |
| 1/3 medium | 48 g | Fructose 0.04 g | |
| 1/2 medium | 64 g | Fructose 0.05 g |
Breakdown for 75 g
Is roma / plum tomato (raw) low FODMAP?
Fructose is the changing group in this entry: green at 48 g, amber at 64 g and red at 75 g. The five remaining group indicators stay green through the checked portions. The app describes the amber point as half a medium and the red point as about two-thirds, but tomato sizes vary.
Roma / Plum Tomato (Raw) and IBS: what to know
A few slices can contribute to a sandwich without being a whole-tomato portion. Weighing the slices makes that distinction clearer if you are comparing meals during an IBS food trial. Keep the other sandwich or salad ingredients in the picture instead of attributing a mixed meal's effects to the tomato alone.
Gut-friendly ways to eat roma / plum tomato (raw)
Wash the Roma tomato and measure the edible raw portion before placing slices on toast, chopping a salsa or cooking a dish. A truss tomato has a different entry. If you are opening a tin instead, the canned Roma-with-juice guide provides the matching preparation.
Frequently asked questions
Does the high rating mean all fresh Roma tomato portions are high?
No. The checked entry also lists the smaller 48 g green amount. The portion size is essential to interpreting the red reference.
Can I use a canned-tomato allowance for a fresh Roma?
The raw and canned-with-juice records are distinct. Canned-product weights and preparation should not be transferred to slices of fresh tomato.
Does cooking a Roma tomato prove its FODMAP rating changes?
This check only verifies the raw entry. It does not isolate the effect of cooking or supply a tested raw-to-cooked conversion for your recipe.
Check a whole plate in seconds.
Not sure about a whole meal? Scan it with the Gut Friendly app.
Get the appRelated foods
Sources and editorial notes
- Monash University FODMAP Diet App
Monash University FODMAP Diet app entry “Tomato, Roma / plum, raw” 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.