Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Iron bioavailability in plant foods after fermentation

Cilla, A. et al.

2011

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Summary

This paper, published in Food Chemistry in 2011, investigates the extent to which fermentation modifies iron bioavailability in plant-derived foods, likely by reducing phytate and other inhibitory antinutrients. Using in vitro digestion and/or cell culture models, the authors assess whether fermentation improves the accessibility of non-haem iron from plant matrices. The findings are likely to suggest that fermentation can meaningfully enhance iron bioavailability, with implications for dietary strategies addressing iron deficiency.

UK applicability

Although the study is likely conducted in a Spanish laboratory context, the findings are broadly applicable to UK dietary patterns, particularly given growing interest in fermented foods and plant-based diets. The results are relevant to UK public health nutrition, food processing guidance, and dietary advice for populations at risk of iron deficiency.

Key measures

Iron bioavailability (% dialysable iron or Caco-2 cell uptake); antinutrient content (e.g. phytate, polyphenols); iron solubility

Outcomes reported

The study examined how fermentation processes affect the bioavailability of iron from plant foods, likely measuring changes in iron solubility, dialysability, or cellular uptake as proxy indicators of bioavailability.

Theme
Nutrition & health
Subject
Micronutrient bioavailability & food processing
Study type
Research
Study design
In vitro study
Source type
Peer-reviewed study
Status
Published
Geography
Spain
System type
Food supply chain
Catalogue ID
XL0598

Topic tags

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