Citrus hystrix, also known as kaffir lime tree, is a tropical plant widely used in Southeast Asian cooking, especially the leaves and fruit. But beyond its culinary value, it has a long history in traditional medicine across Malaysia, Thailand, and Indonesia.
Medicinal Uses of Pokok Limau Purut
- Digestive Aid
- Leaves and juice are used to relieve indigestion, bloating, and gas.
- A common remedy is boiling the leaves in water and drinking it as a herbal tea.
- Relieves Cold, Flu, and Congestion
- The peel and leaves are rich in essential oils like citronellal and limonene, which help clear sinuses and ease coughing.
- Steam inhalation using crushed kaffir lime leaves or peel can relieve nasal congestion.
- Hair and Scalp Treatment
- Traditionally, the juice is used to cleanse the scalp, treat dandruff, and strengthen hair roots.
- Often mixed with coconut oil or water and used as a natural shampoo.
- Anti-inflammatory and Antibacterial
- The essential oil from the peel has antimicrobial properties, helping to prevent infections, especially on the skin.
- Used in topical treatments for minor cuts, rashes, or insect bites.
- Stress Relief and Mental Clarity
- The strong citrus aroma is used in aromatherapy to relieve stress, anxiety, and mental fatigue.
- Leaves or peel may be added to baths for relaxation.
- Oral Health
- In some traditional practices, the juice or peel is used as a natural mouthwash to combat bad breath and reduce gum inflammation.
- Blood Purifier (Traditional Belief)
Some traditional healers use decoctions of the leaves or peel to "cleanse the blood," though this is more cultural than scientifically proven.