USTC Pharmacy Medicinal Garden

University of Science and Technology Chittagong (USTC)

USTC Pharmacy Medicinal Garden

বেল (AEGLE MARMELOS)

ORIGIN

বেল (Aegle marmelos) is native to the Indian subcontinent, including India, Bangladesh, Sri Lanka, Nepal, and Myanmar. It has been cultivated since ancient times and holds great religious, cultural, and medicinal importance, especially in Hinduism, where it is sacred to Lord Shiva.

TAXONOMY

  • Kingdom: Plantae

  • Division: Angiosperms

  • Class: Eudicots

  • Order: Sapindales

  • Family: Rutaceae

  • Genus: Aegle

  • Species: Aegle marmelos (L.) Corrêa

EVOLUTION

Bael belongs to the Rutaceae family, which includes citrus plants.

  • Evolved adaptations for hot and dry climates

  • Development of a hard, woody fruit shell to protect seeds

  • Production of secondary metabolites (coumarins, alkaloids) for defense against pests and pathogens

DESCRIPTION

  • Plant type: Medium-sized deciduous tree

  • Height: 8–15 meters

  • Leaves: Trifoliate (three leaflets), aromatic

  • Flowers: Greenish-white, fragrant

  • Fruit: Large, round, hard-shelled berry

  • Pulp: Yellow to orange, sticky, aromatic

  • Seeds: Numerous, embedded in mucilage

ECOLOGY

  • Climate: Tropical to subtropical

  • Soil: Sandy loam to clay loam

  • Rainfall: 500–1500 mm annually

  • Sunlight: Full sun

Bael is highly drought-tolerant and can grow in poor soil conditions.

CULTIVATION

  • Propagation: Seeds, grafting, budding

  • Planting season: Monsoon

  • Time to fruiting: 5–7 years (seed-grown plants)

  • Harvesting: Fruits are harvested when mature and the shell turns yellowish-green

Once established, the plant requires minimal irrigation.

TRADITIONAL USES

Ayurvedic Medicine

  • Treatment of diarrhea and dysentery

  • Digestive disorders

  • Fever

Unani Medicine

  • Liver tonic

  • Cardiac support

Religious Use

  • Leaves are used in the worship of Lord Shiva

  • Symbol of purity and healing

MEDICINAL USES

Different parts of the bael tree are used medicinally.

Fruit

  • Effective in diarrhea and dysentery

  • Improves digestion and gut health

Leaves

  • Antidiabetic activity

  • Anti-inflammatory and antipyretic properties

Roots and Bark

  • Antimicrobial effects

  • Analgesic (pain-relieving) activity

RESEARCH

Major Bioactive Compounds

  • Marmelosin

  • Aegeline

  • Coumarins

  • Flavonoids

  • Tannins

Scientific Evidence

  • Confirmed antidiarrheal effects

  • Strong antioxidant and antidiabetic activities

  • Hepatoprotective effects observed in animal studies

Further clinical studies are required to establish standardized medicinal use.

BIOLOGY

  • Pollination: Insect-pollinated

  • Chromosome number: 2n = 18

  • Life cycle: Perennial

  • Fruiting: Once per year

TOXICITY

Bael is generally safe when consumed in normal dietary amounts.

Precautions

  • Excess intake of unripe fruit may cause constipation

  • Diabetic patients should monitor blood glucose levels

  • Avoid excessive medicinal use during pregnancy

CONCLUSION

Bael (Aegle marmelos) is a highly valuable medicinal and fruit-bearing tree with a long history of traditional use and growing scientific support.
It plays an important role in digestive health, metabolic regulation, and cultural practices. However, it should be used as a complementary therapy, not a replacement for modern medical treatment.

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