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

Organic Versus Conventional Fruit Production: Assessing Heavy Metals, Essential Elements, and Key Nonenzymatic Antioxidant Profiles for Nutritional Security

Marziyeh Rabiee; Behzad Kaviani; Shahram Sedaghathoor; Alireza Eslami

New Zealand Journal of Crop and Horticultural Science · 2026

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Summary

This study compares fruit produced under organic and conventional farming systems with respect to food safety and nutritional quality, examining heavy metal accumulation alongside essential minerals and non-enzymatic antioxidant compounds. The research contributes to the evidence base on whether organic management reduces exposure to potentially toxic metals while enhancing beneficial phytochemical content. Findings are likely to be relevant to discussions around nutritional security and the relative merits of organic certification in horticultural production.

UK applicability

The study appears to have been conducted in Iran, so specific findings may not translate directly to UK soil types, regulatory frameworks, or climatic conditions. However, the comparative methodology and nutritional quality metrics are broadly applicable to UK debates on organic certification, food safety standards, and horticultural best practice.

Key measures

Heavy metal concentrations (mg/kg); essential element concentrations (mg/kg); ascorbic acid (mg/100g); total polyphenols (mg GAE/100g); carotenoids (mg/100g); antioxidant capacity

Outcomes reported

The study assessed and compared concentrations of heavy metals, essential mineral elements, and key non-enzymatic antioxidants (such as ascorbic acid, polyphenols, and carotenoids) in fruit produced under organic and conventional management systems. It likely reports differences in nutritional quality and food safety indicators between the two production methods.

Theme
Nutrition & health
Subject
Fruit & vegetables
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Iran
System type
Horticulture
DOI
10.1002/nzc2.70045
Catalogue ID
NRmo3f02hq-02w

Topic tags

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