USTC Pharmacy Medicinal Garden

University of Science and Technology Chittagong (USTC)

USTC Pharmacy Medicinal Garden

আমলকি (PHYLLANTHUS EMBLICA)

ORIGIN

Amla (Phyllanthus emblica) is native to the Indian subcontinent, including India, Bangladesh, Nepal, Sri Lanka, Myanmar, and parts of Southeast Asia. It has been used for thousands of years in Ayurvedic medicine, where it is regarded as a powerful “Rasayana” (rejuvenating herb).

TAXONOMY

  • Kingdom: Plantae

  • Division: Angiosperms

  • Class: Eudicots

  • Order: Malpighiales

  • Family: Phyllanthaceae

  • Genus: Phyllanthus

  • Species: Phyllanthus emblica L.
    Synonym: Emblica officinalis

EVOLUTION

Amla belongs to the Phyllanthaceae family.

  • Adapted to seasonal tropical and subtropical climates

  • Evolution of high vitamin C stability, protected by tannins

  • Development of polyphenols and antioxidants as defense mechanisms

DESCRIPTION

  • Plant type: Medium-sized deciduous tree

  • Height: 8–18 meters

  • Leaves: Small, narrow, densely arranged along branchlets

  • Flowers: Greenish-yellow, unisexual

  • Fruit: Round, smooth, light green to yellow berry

  • Taste: Sour and astringent

  • Seeds: Hard, segmented stone inside the fruit

ECOLOGY

  • Climate: Tropical to subtropical

  • Soil: Sandy loam to medium clay

  • Rainfall: 600–1500 mm annually

  • Sunlight: Full sun

Amla is drought-tolerant and can grow in marginal soils.

CULTIVATION

  • Propagation: Seeds, budding, grafting

  • Planting season: Monsoon

  • Time to fruiting: 4–6 years

  • Harvesting: Winter season (November–February)

The tree requires minimal irrigation once established.

TRADITIONAL USES

Ayurveda

  • Main ingredient of Triphala

  • Enhances immunity and longevity

  • Improves digestion and metabolism

Traditional & Folk Medicine

  • Treatment of cough, cold, and fever

  • Eye and hair health

  • Skin disorders

MEDICINAL USES

Fruit

  • Richest natural source of Vitamin C

  • Boosts immunity

  • Helps regulate blood sugar and cholesterol

  • Improves digestive health

Leaves & Bark

  • Antimicrobial

  • Anti-inflammatory

  • Astringent properties

RESEARCH

Major Bioactive Compounds

  • Ascorbic acid (Vitamin C)

  • Gallic acid

  • Ellagic acid

  • Emblicanin A and B

  • Flavonoids and tannins

Scientific Evidence

  • Strong antioxidant activity

  • Antidiabetic and cardioprotective effects

  • Neuroprotective and anti-aging potential

Many findings are supported by animal and in-vitro studies, with growing clinical evidence.

BIOLOGY

  • Pollination: Insects

  • Chromosome number: 2n = 14

  • Life cycle: Perennial

  • Fruiting: Once per year

TOXICITY

Amla is generally safe for regular dietary consumption.

Precautions

  • Excess intake may cause gastric acidity in sensitive individuals

  • Diabetic patients should monitor blood glucose levels

  • Excess medicinal use during pregnancy should be avoided

CONCLUSION

Amla (Phyllanthus emblica) is a highly nutritious and medicinal fruit tree with deep roots in traditional medicine and strong scientific support.
Its antioxidant, immunomodulatory, and metabolic benefits make it an important functional food and complementary therapy. However, it should not replace conventional medical treatment.

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