Can you cook with hemp oil without making it unhealthy?
Effect of cooking temperature and time on the quality and safety of hemp seed oil.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
No new trans fatty acids were formed during heating up to 230°C for 3 hours.
Most people assume heating polyunsaturated oils like hemp oil generates harmful trans fats—this study found the opposite, even under extreme conditions.
Practical Takeaways
Use hemp seed oil for light sautéing or baking below 190°C (374°F) and for under 1 hour—especially if it’s infused with garlic or chili.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
No new trans fatty acids were formed during heating up to 230°C for 3 hours.
Most people assume heating polyunsaturated oils like hemp oil generates harmful trans fats—this study found the opposite, even under extreme conditions.
Practical Takeaways
Use hemp seed oil for light sautéing or baking below 190°C (374°F) and for under 1 hour—especially if it’s infused with garlic or chili.
Publication
Journal
Food research international
Year
2025
Authors
Zijian Liang, Thanh Mai Pham, Pangzhen Zhang, Zhongxiang Fang
Related Content
Claims (6)
Oils with polyunsaturated fatty acid content exceeding 10% are susceptible to thermal oxidation during cooking, generating harmful aldehydes and polar compounds even below smoke point.
Hemp oil with garlic or chili added stays fresher longer when heated than plain hemp oil.
Even when you heat hemp seed oil really hot for a long time, it doesn't go bad in a way that makes it unsafe by standard food quality rules.
Hemp oil is mostly made up of linoleic acid, with smaller amounts of two other healthy fats, and heating doesn’t change which fats are most common.
Hemp oil already had tiny amounts of certain unhealthy trans fats, but heating it didn’t make any more of them.