Lemon: protecting the nerves

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Extract from the article: Symptoms of a condition resulting from damage to the nerves outside the brain and spinal cord – such as tingling, burning sensations, numbness or night-time pain – are often dismissed as trivial and attributed to ageing. However, they indicate a...

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Symptoms of a condition resulting from damage to the nerves outside the brain and spinal cord – such as tingling, burning sensations, numbness or night-time pain – are often dismissed as trivial and attributed to ageing. However, they indicate a dysfunction of the peripheral nervous system, and solutions exist to alleviate the effects.

The peripheral nerves connect the brain and spinal cord to the rest of the body. They transmit sensations such as pain, heat and touch, and control movement. When they are damaged, the signals become erratic. Some symptoms, such as numbness, disappear, whilst others intensify in the form of pain or tingling.

According to the French National Institute of Health and Medical Research (INSERM), the main causes include diabetes (accounting for 30 to 40% of cases), chronic inflammation, oxidative stress, blood circulation disorders, and certain toxins or medications. In light of these factors, prevention and nutritional support are attracting growing interest.

Lemons

Lemons are not the best source of vitamin C. Other foods, such as kiwis and peppers, contain higher amounts.

However, the benefit of lemons lies in their flavonoids, bioactive compounds with antioxidant and anti-inflammatory properties.

Limonene, an aromatic compound found in lemon zest, has anti-inflammatory properties. Experimental studies suggest that it may reduce inflammatory markers and promote nerve regeneration.

A review published in ‘Frontiers in Pharmacology’ highlights its antioxidant and neuroprotective effects.

Hesperidin, found in the pulp and white pith, protects nerve cells from oxidative stress, improves mitochondrial function and stimulates nerve growth factors.

According to a study published in ‘Nutrients’, it may also play a role in preventing diabetes-related neurological complications.

Diosmin, found alongside hesperidin, is used in medicine to treat venous disorders. It also improves nerve conduction and reduces neuropathic pain.

Eriocitrin, found in both the juice and peel, is a powerful antioxidant. A clinical study published in the ‘Journal of Clinical Biochemistry and Nutrition’ showed that it can reduce oxidative stress, decrease inflammation, and improve blood sugar regulation.

Incorporating lemon

To benefit from its properties, opt for fresh lemons rather than shop-bought juices, and combine the juice with the zest (rich in limonene). It should be consumed regularly, ideally on an empty stomach.

It is also recommended to maintain a good intake of B vitamins (B1, B6, B12), consume omega-3s (oily fish), take regular exercise, and manage stress.

As lemon is acidic, it can weaken tooth enamel. It should be consumed in moderation if you suffer from acid reflux and may interact with certain medications.

Raymond DZAKPATA