Curry Leaves – Murraya koenigii (L.) Spreng.

ICAR-IISR Spices & Plant Varieties Curry Leaves
  Murraya koenigii (L.) Spreng.  |  Family: Rutaceae  |  Aromatic Flavouring Leaf

Curry Leaves

Aromatic Flavouring Leaf Native to South Asia Essential Oil Rich South Indian Cuisine Staple

Curry leaf (Murraya koenigii (L.) Spreng.) is an aromatic tree belonging to the family Rutaceae. The fresh leaves are widely used as a flavouring and seasoning ingredient in Indian cuisine. Curry leaves are commonly added to curries, chutneys, sambhar, rasam, and seasoning preparations. They are a quintessential ingredient of South Indian cooking.

The leaves have a distinctive aroma and are generally used fresh or dried. They are a source of essential oils, antioxidants, and other bioactive compounds including carbazole alkaloids which are unique to this genus. The leaves release their best flavour when fried in hot oil at the start of cooking (tempering).

Medicinal Value

  • Traditionally used to support digestion and overall health
  • Antioxidant activity from carbazole alkaloids
  • Anti-inflammatory and antimicrobial properties
  • Traditional use for hair health (leaf paste)
  • May help regulate blood sugar levels

Industrial Uses

  • Fresh and dried leaves as flavouring in South Indian food
  • Curry leaf oil in food flavouring and perfumery
  • Natural antioxidant for food preservation
  • Cosmetic and hair care preparations
  • Pharmaceutical preparations from alkaloid extracts

Cultivation

  • Small aromatic tree (4-6 m tall)
  • Tropical and subtropical climate preferred
  • Grows well in well-drained soils with adequate moisture
  • Leaves harvested year-round from established trees
  • Kerala, Tamil Nadu, Karnataka major producers

Active Compounds

  • Carbazole alkaloids - mahanine, murrayaline (anticancer)
  • Linalool and alpha-pinene - essential oil aroma
  • Mahanimbine - antifungal alkaloid
  • Flavonoids and phenolic acids
Origin
South and Southeast Asia
Culinary Role
Indispensable in South Indian tempering
Key Bioactive
Carbazole alkaloids (mahanine, murrayaline)
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