USTC Pharmacy Medicinal Garden

University of Science and Technology Chittagong (USTC)

USTC Pharmacy Medicinal Garden

তেজপাতা (CINNAMOMUM TAMALA)

ORIGIN

Cinnamomum tamala is native to the Indian subcontinent, particularly the Himalayan foothills of India, Nepal, Bhutan, and Bangladesh. It naturally grows in subtropical forests and has been cultivated for centuries as a culinary and medicinal plant.

TAXONOMY

  • Kingdom: Plantae

  • Clade: Angiosperms → Magnoliids

  • Order: Laurales

  • Family: Lauraceae

  • Genus: Cinnamomum

  • Species: Cinnamomum tamala (Buch.-Ham.) T. Nees & Eberm.

It belongs to the same genus as true cinnamon (Cinnamomum verum).

EVOLUTION

Cinnamomum tamala evolved within the Lauraceae family, developing aromatic leaves rich in essential oils as a defense against herbivores and pathogens. These aromatic compounds also help reduce water loss and provide ecological advantages in forest environments.

DESCRIPTION

Cinnamomum tamala is an evergreen medium-sized tree, usually growing 8–15 meters tall.

  • Bark: Smooth, brown to gray

  • Leaves: Lanceolate, leathery, aromatic, with three prominent veins

  • Flowers: Small, greenish-white, arranged in panicles

  • Fruit: Small, dark purple to black berry

The dried leaves are commonly used as a spice known as Tejpat.

ECOLOGY

The plant thrives in subtropical forest ecosystems.

  • Prefers moderate rainfall and partial shade

  • Pollinated by insects

  • Fruits dispersed by birds

  • Contributes to forest biodiversity and soil stability

CULTIVATION

Cinnamomum tamala is cultivated mainly for its leaves.

  • Propagation: Seeds

  • Climate: Subtropical to tropical

  • Soil: Well-drained loamy soil

  • Harvesting: Leaves collected and shade-dried

Plants begin leaf harvest within a few years of growth.

TRADITIONAL USES

Traditionally, Tejpat is used for:

  • Flavoring rice, curries, meat dishes, and spice blends

  • Herbal teas and digestive formulations

  • Aromatic use in religious and cultural practices

It is an essential spice in South Asian cuisine.

MEDICINAL USES

In traditional medicine systems (Ayurveda and Unani):

  • Used as a digestive stimulant and carminative

  • Helpful in diabetes management

  • Used for respiratory disorders, cold, and cough

  • Supports heart health and circulation

RESEARCH

Scientific studies have identified:

  • Phytochemicals: Essential oils (cinnamaldehyde, eugenol), flavonoids, tannins

  • Pharmacological activities:

    • Antioxidant

    • Antimicrobial

    • Antidiabetic

    • Anti-inflammatory

    • Hypolipidemic

Most evidence comes from in vitro and animal studies, with growing interest in functional food research.

BIOLOGY

  • Life form: Evergreen tree

  • Reproduction: Sexual reproduction via seeds

  • Leaf physiology: High essential oil content

  • Adaptation: Shade tolerance and aromatic defense

TOXICITY

Cinnamomum tamala is safe when used as a culinary spice.

  • Excessive medicinal doses may cause gastric irritation

  • Essential oil should not be consumed undiluted

  • Safe for long-term dietary use in normal amounts

CONCLUSION

Cinnamomum tamala (Tejpat) is an important culinary and medicinal plant with strong cultural, economic, and therapeutic value. Its traditional uses as a digestive and metabolic aid are increasingly supported by scientific research. With proper cultivation and moderate use, Tejpat remains a valuable spice and medicinal resource in South Asia.

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