Pulse Brain · Growing Health Evidence Index
Tier 4 — Narrative / commentaryPeer-reviewed

Reduction of phytic acid and enhancement of bioavailable micronutrients in food grains

Gupta RK, Gangoliya SS, Singh NK

J Food Sci Technol · 2015.0

Read source ↗ All evidence

Summary

This narrative review, published in the Journal of Food Science and Technology, synthesises evidence on the anti-nutritional role of phytic acid in food grains and evaluates established food processing strategies for reducing its concentration. The authors likely discuss how techniques such as soaking, sprouting, fermentation, and phytase treatment can substantially lower phytate levels, thereby improving the bioaccessibility of divalent minerals including iron and zinc. The paper contributes a practical synthesis relevant to addressing micronutrient deficiency in populations reliant on grain-based diets.

UK applicability

Whilst the review is not specific to UK agricultural or dietary contexts, its findings are applicable to UK food processing, fortification policy, and public health nutrition, particularly in the context of plant-based diets where phytate-rich wholegrains and legumes are increasingly consumed.

Key measures

Phytic acid concentration (mg/100g); micronutrient bioavailability (iron, zinc, calcium); phytate-to-mineral molar ratios; percentage reduction in phytic acid across processing methods

Outcomes reported

The review examines methods for reducing phytic acid content in food grains and assesses the consequent improvements in the bioavailability of key micronutrients such as iron, zinc, and calcium. It likely reports on the effectiveness of processing techniques including soaking, germination, fermentation, and enzymatic treatment in lowering phytate levels.

Theme
Nutrition & health
Subject
Micronutrient bioavailability & antinutritional factors
Study type
Narrative Review
Study design
Narrative review
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Food supply chain
DOI
10.1007/s13197-013-0978-y
Catalogue ID
WP0091

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.