Irritable Bowel Syndrome Message Boards | Re: Zucchini and Mushrooms?

I have troubles with mushrooms - contrary to popular belief they are 60-70% insoluble fiber of the total dietary fiber they contain. They do contain a small amount (milligrams) of beta glucan which acts like a soluble fiber but they contains grams of insoluble and soluble fiber per 100 gram weight. I cannot eat them at all.

I can handle small amounts (< 1/4 cup) of peeled cooked zucchini and some other squashes. However, I have to be careful because squash has some excess fructose - about 1 gram/100 gram and about 2.5 grams/100 grams of fructans. Zuccchini is listed in Table 6 (fructan content) in Clinical Ramifications of Malabsorption of Fructose and Other Short-chain Carbohydrates. There is a table you might find interesting in the Principles of Diet in Fructose Malabsorption. It lists zucchini and mushrooms as foods to try in moderation.

Which tricyclic are you taking? Was it given to you by a GI doc for SIBO?

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STABLE: ♂, IBS-D 50+ years - Science of IBS

The FODMAP Approach to Managing IBS Symptoms
Evidence-based Dietary Management of Functional GI Symptoms: The FODMAP Approach
FODMAP Chart & Cheatsheet
The Role of Food & Dietary Intervention in IBS

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