Ishan Ayurvedic Medical College & Research Centre
Nimba (Margosa)

Nimba (Margosa)

Nimba is a fast-growing tree that can reach a height of 15–20 metres .

Medicinal Plant

Nimba (Margosa)

Azadirachta indica · Meliaceae

Nimba is a fast-growing tree that can reach a height of 15–20 metres .

Scientific Name

Azadirachta indica

Family

Meliaceae

Hindi Name

Neem

Used Part

Patra (Leaf), Twak (Bark), Bija (Seed), Phala (Fruit), Pushpa (Flowers) and Niryasa (Resin).

Nimba
Botanical Description

About the Nimba Plant

Morphology and field-identification notes as documented in our Dravyaguna library.

  • Nimba is a fast-growing tree that can reach a height of 15–20 metres . It is evergreen, shedding many of its leaves during the dry winter months . The branches are wide and spreading. The leaves are opposite, pinnate, 20–40 cm long, with 20 to 30 medium to dark green leaflets about 3–8 cm long with short petioles. Flowers are white and fragrant arranged in more-or-less drooping axillary panicles. The fruit is a smooth, glabrous, olive-like drupe which varies in shape from elongate oval to nearly roundish.

Ayurvedic Properties

Rasa Panchaka — Classical Properties

The five-fold framework Ayurveda uses to describe a drug — Rasa, Guna, Vipaka, Veerya and its effect on the doshas.

Rasa (Taste)

Tikta, Kashaya

The primary taste perceived on the tongue.

Guna (Qualities)

Laghu

Physical and energetic attributes of the dravya.

Vipaka (Post-digestive Effect)

Katu

Taste that emerges after complete digestion.

Dosha Karma (Action on Doshas)

Pitta Kapha Shamaka

Effect on Vata, Pitta and Kapha doshas.

Veerya (Potency)

Sheeta

Heating (ushna) or cooling (sheeta) energy.

Ayurvedic Actions (Karma)

Kushthaghna, Arshoghna, Krimighna, Bhedana, Mehahara and Gulmanashaka.

Modern Phytochemistry

Chemistry & Pharmacology

How modern science maps onto the classical understanding of this dravya.

Pharmacological Action

What the Science Says

Insect repellent, Blood purifier, Antidiabetic, Antiviral, Antibacterial.

Phytoconstituents

Active Compounds

Nimbin, Nimbinene, Nimbandiol, Nimbolide, Quercitin, g-sitosterol, Azadirone, Azadiradione

Therapeutic Usage

Clinical Applications of Nimba

Classical Ayurvedic indications drawn directly from the Dravyaguna tradition — paired with the preparations recommended in shastra.

  1. 01

    Decoction of Nimba is used internally in case of Surameha.

  2. 02

    Paste prepared from Nimba and Aragwadha is applied in skin diseases.

  3. 03

    In case of Arumshika (Head boils), first, blood letting should be done then decoction of Nimba is sprinkled over the head boils.

  4. 04

    Affected part of skin of wounded and eaten by maggots, is cleaned and Nimba and Vidanga powder is mixed with cow's urine and applied.

Always consult a qualified Ayurvedic physician before using any herb therapeutically. Dose, anupana and Prakriti-specific suitability matter.

Yoga / Kalpana

Classical Formulations

Common Ayurvedic preparations where Nimba is a key ingredient.

  • Nimbadi churna,
  • Nimbadi kwatha,
  • Nimbamritadi kashaya,
  • Panchanimba churna,
  • Panchatikta ghrata guggulu.

Shastra Pramana

Classical Reference

निम्बः शीतो लघुः ग्राही कटुः तिक्तो अग्नि वातकृत् । अहृयः श्रम तृट् कास ज्वर अरुचि कृमिप्रणुत् ॥ व्रणपित्त कफच्छर्दि कुष्ठ हल्लास मेहनुत् ।