Mixed
Classification of dietary fiber by water solubility is an unreliable predictor of physiological effects, as solubility does not directly correlate with fermentability or short-chain fatty acid (SCFA) profiles.
Do not choose foods based on whether they are 'soluble' or 'insoluble' fiber. This classification is scientifically flawed for predicting health benefits. Instead, eat a variety of fiber-rich whole foods (vegetables, fruits, whole grains, legumes) to ensure you get a mix of physiological effects.
Aqueous solubility is not directly related either to fermentability or to the profile of SCFA produced through fermentation...
Why this rating
Based on EFSA scientific opinions and cited literature on fermentation profiles.
Source
Dietary fibre in Europe: current state of knowledge on definitions, sources, recommendations, intakes and relationships to health
Alison M. Stephen et al. · Nutrition Research Reviews · 2017
DOI 10.1017/s095442241700004x
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- Current dietary guidelines and public health messaging focusing solely on total dietary fiber (TDF) intake quantities are insufficient because they fail to specify which types of fiber or food sources are required to achieve specific health benefits.Good
- There is a significant gap between recommended dietary fiber intakes and actual population intakes across Europe, with few countries providing guidance on specific fiber types to help close this gap.Good
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