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Overview

About Dewberry

Dewberry is the bramble that grows sideways: a trailing, ground level Rubus whose fruit ripens ahead of the upright blackberries and wears a grey blue waxy bloom on every drupelet.

Its trigger profile is unusually narrow, and that is the useful part. Dewberry is graded clean on histamine, clean on histamine liberation and, unlike a common blackberry, clean on salicylates too. The single flag is sugar alcohol: it grades high in polyols with a moderate FODMAP load overall. So dewberry is a portion problem rather than a chemistry problem, and if brambles usually upset you it is the one berry in the family where the symptoms point clearly at one cause.

Sensitivities

How Dewberry scores

Watch for

What trips people up

  • High in polyols, and that is essentially the whole story. Sorbitol group sugars are poorly absorbed in the small intestine, pull water into the bowel and ferment in the colon, so the cramping and wind tend to arrive an hour or two after the handful rather than while you are eating
  • Moderate FODMAP overall. Nobody eats six dewberries. They are a foraged berry, picked into a cup over twenty minutes at the edge of a field, and that harvesting habit is what turns a dose dependent polyol into a symptom
  • Graded clean on salicylates, which is where it parts company with the common blackberry. If a bramble reaction gave you itching, hives or a blocked nose rather than bloating, dewberry is a sensible one to retest on its own
  • Clean on histamine content, not a histamine liberator, and graded fine for SIBO fermentation. There is nothing here to manage except the size of the serving

Diet fit

Where it fits

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FAQ

Common questions about Dewberry

Are dewberries low FODMAP?

No, not at a normal serving. Dewberry grades high in polyols and moderate on total FODMAPs, so a few berries scattered on something are usually fine while a picked cupful is not. Polyol symptoms are dose dependent and build inside a single sitting, which is why people describe dewberries as fine one day and awful the next when the real variable was how long they stayed at the patch.

Is a dewberry just a wild blackberry?

They are close cousins but they are not interchangeable, botanically or as triggers. Dewberry trails along the ground instead of arching upright, fruits earlier, and carries fewer, larger drupelets under a pale waxy bloom. On the trigger side the meaningful difference is salicylates: blackberry grades high, dewberry grades clean. Both are high in polyols, so the gut half of the picture is shared.

Why do dewberries bloat me when the rest of the berry has nothing wrong with it?

Because sorbitol does not need anything else to be wrong. Dewberry is graded clean on histamine, salicylate, oxalate, lectin and nickel, so there is no chemical trigger to blame, only a poorly absorbed sugar alcohol arriving in quantity. Lower polyol fruit such as cactus pear or pawpaw usually sits fine with the same person, which is a good sign that polyols rather than berries in general are your issue.

Is dewberry related to boysenberry?

Yes, it is one of its parents. Boysenberry is a cross of blackberry, European raspberry, loganberry and American dewberry, and the dewberry side is part of why boysenberry ended up milder on salicylates than the blackberry it otherwise resembles. If you have already found boysenberry workable, dewberry is a reasonable next test.

References

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Ratings reflect the Triggerbites ingredient database and may vary with portion size and preparation.