Food additives Europe numbers: E392
Carnosic acid is a naturally occurring compound found in rosemary (Rosmarinus officinalis) and some other plants [1]. While it isn't a direct medicinal substance itself, it has gained interest for its potential health benefits and is being studied for various applications. Here's a breakdown of what we know so far:
Potential Health Benefits (Research Ongoing):
- Antioxidant Properties: Carnosic acid exhibits strong antioxidant activity, which means it may help protect cells from damage caused by free radicals [2]. Free radicals contribute to various health conditions like aging and chronic diseases.
- Anti-inflammatory Effects: Some studies suggest carnosic acid might have anti-inflammatory properties [3]. Inflammation is a key factor in many diseases, and reducing inflammation could potentially offer health benefits.
- Neuroprotective Potential: Early research suggests carnosic acid might have neuroprotective effects, potentially benefiting brain health and reducing the risk of neurodegenerative diseases like Alzheimer's disease [4]. However, much more research is needed in this area.
Current Uses and Limitations:
- Limited Medical Use: Carnosic acid isn't currently used in any approved medical treatments.
- Dietary Source: Rosemary is a common culinary herb, and consuming rosemary as part of your diet can provide some carnosic acid. However, the amount ingested through food is likely much lower than what might be used in research studies.
- Safety Considerations: More research is needed to determine the safety of concentrated carnosic acid supplements for human consumption.
Comparison to Rosemary:
- Rosemary vs. Isolated Carnosic Acid: Rosemary contains many other bioactive compounds besides carnosic acid. The potential health benefits of rosemary might be due to the combined effects of these various compounds, rather than carnosic acid alone [5].
Overall:
Carnosic acid is a natural compound with interesting potential health benefits based on early research. However, it's not a current medical treatment. More studies are needed to confirm its potential, determine the optimal dosage for any future applications, and ensure safety for human consumption. If you're interested in the potential benefits of carnosic acid, it's best to consult with a healthcare professional before considering any concentrated forms.