The Study
Technical Report on the need for re‐evaluation of the safety of hexane used as an extraction solvent in the production of foodstuffs and food ingredients
This report didn't test if hexane is harmful—it just looked at what studies have been done before and said, 'We don't know enough yet.' It's like checking your toy box and saying, 'I need to buy more toys to finish my collection.'
Analysis score
Maximum 85 for a systematic review.
Where the score came from
Hexane is used to extract oil from plants like soybeans, but it's not listed on labels because it's treated like a cleaning tool, not an ingredient.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 56 / 100
Quality score
Systematic reviews and meta-analyses of cohort studies. They sit above a single cohort study but below a single randomized trial, because the underlying evidence is still observational.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — children may be exposed to more hexane than previously thought, and the safety rules don't account for real-world exposure from many foods or unknown toxins in the solvent.
- 2Kids eat more of these oils per pound than adults, and the old safety check (from 1996) didn't consider how much hexane might be left in food or how impurities vary between batches.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
EFSA Supporting Publications
Year
2024
Authors
D. Comandella, M. Bignami, P. Fürst, K. Grob, M. Mengelers, C. Cascio, K. Xiftou, C. Croera, C. Lambré
Related Content
Claims (6)
Hexane is used to extract oils from plants in food manufacturing and is not required to appear on ingredient labels because regulators classify it as a processing aid.
Technical hexane used to extract food ingredients has no consistent purity standards, so different batches contain different harmful impurities that may contaminate food.
Regulatory limits for hexane in food do not consider how much people consume from all food sources combined or whether harmful impurities build up in the body over time, leading to flawed safety evaluations.
Current data do not show that technical hexane damages DNA, but this conclusion is based on insufficient evidence and does not mean it cannot cause other harms like nerve damage or effects on development.
The safety evaluation of hexane used in food processing is outdated because it is based on a 1996 animal study that does not reflect current exposure levels, impurities, or how humans absorb the chemical. A new assessment is needed to confirm it is safe for consumers.
Children eat more food relative to their body weight and consume more processed foods than adults, leading to higher levels of technical hexane residues in their diets than previously estimated in 1996.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.