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Home » Agaru – Aquilaria agalloch- Uses, Research, Side Effects

Agaru – Aquilaria agalloch- Uses, Research, Side Effects

Introduction to Agaru

Agaru tree is an evergreen plant known as aloe wood or agarwood. It is bitter and has a pleasant odour. Due to its anti-inflammatory properties, this plant successfully treats rheumatoid arthritis by lowering pain and inflammation. Ayurveda claims that regular oil massages on the joints, which have the effect of balancing Vata, can help you get rid of joint discomfort. Due to its Ushna (hot) potency and Kapha balancing qualities, it also aids in clearing excess mucus from the respiratory tract and managing bronchitis. Its antioxidant properties protect the liver from oxidative damage produced by free radicals, while its anti-inflammatory properties decrease liver inflammation. Due to its healing properties, applying Agaru oil to the skin also treats skin diseases like eczema.

What is the botanical name of Agaru?

Aquillaria agalloch

Family of Aquillaria agalloch?


Basonym of Agaru Drugs

अगुरु- न गुरु यस्मात्तदगरु (काष्ठम्‌)

That which is not guru is Agaru. Agaru Kastha is laghu in nature hence the name Aquillaria agalloch:
Aquillaria=related to eagle
Agallocha=to make exceedingly glorious.

Main Synonyms Related to Agaru:

I. Based on Habitat:

A. The tree grows in Hilly regions: Shringajam,
शृङ्गम्‌ : पर्वतभूद् जायमान । जोङ्गकः जोद्गके गिरौ भवः।

B. It grows in Northeastern regions: Anaryakam
अनार्यकम्‌ : अनार्य किरातदेशे जायमानः।।

II. Synonyms Related to the Oleoresin:

A. It is formed by the fungus infestation on the wood: Krimija, Krimijagdha and Yogaja.
कृमिज: कृमिभिर्जातम्‌ । कृमिजग्धः कृमिभिर्भक्षितं सज्जायते । योगजः योगात्‌ कृमियोगाज्जातम्‌।

B. Organoleptic characters of oleoresin:

(i) It has a pleasant aroma: Sugandhi and Vamshika
सुगन्धिः शोभनो गन्धो5 स्था । वंशिकमू: वमति उद्निरति सुगन्धम्‌॥।

(ii) The colour is black like iron: Loha
लोहः लोहवत्‌ कृष्णं गुरु।।

C. Qualities:

i) It is laghu: Agaru and Laghu.
अगरुः न गुरु यस्मात्तदगरु (काष्ठम्‌)
लघुः अगुरुत्वात्‌। ।

(ii) Used in making incense sticks and perfumes: Dhoopavasam and Vishvadhoopakam.
धूपवासमू: धूपोवासनार्थमस्य; धूपे वासः सुगन्धोऽस्येति वा । विश्वधूपकम्‌: विश्व धूपयतीति।

(iii) Used for cosmetic purpose: Varnaprasadanam
वर्णप्रसादनमू: वर्ण प्रसादयति विकारानपाकृत्येति।

(iv) Used to pacify sheeta guna: Sheetashamana
शीतशमन: उष्णत्वात्‌ शीत॑ शमयति।।

(v) It is of immense value: Rajarham, Pravaram
राजाहम्‌ : राजानामहेति । प्रवरम्‌ : प्रकर्षेण व्रियति इति, श्रेष्ठमित्यर्थ:।।

Regional Names:

  • English Name of Agaru – Eagle wood
  • Hindi Name of Agaru- Agar
  • Bengali Name of Agaru- Agaru
  • Gujarati Name of Agaru- Agar
  • Kannada Name of Agaru- Krishna, Agaru
  • Malayalam Name of Agaru- Akil
  • Tamil Name of Agaru- Agaru
  • Marathi Name of Agaru- Agar

Classification of Agaru (gana) as in Charaka and Sushruta:

Sheetaprashamana, Swasahara. Shirovirechana, Tikta skandha.

Sushruta :
Salasaradi, Eladi, Sleshmasamshamana

External Morphology of Agaru:

It is an evergreen tree. Leaves: Alternate, linear-lanceolate to lanceolate and obovate-oblong in shape and faintly parallel nerved.
The petiole is 2mm long. The base is acute or rounded.
Flower all, greenish, forming sessile or shortly peduncled umbels, which arise from the younger branchlets.
Fruit: Capsule, obovate-cuneate, slightly compressed, dawny or yellowish tomentose.

Oleoresin: Certain fungi infect the heartwood and there is a development of large and
irregular patches of dark streaks charged with an oleoresin, which becomes odoriferous. The darker the patches, the higher is the quantity of oleoresin.

Types of Agaru:

As per Shodhala Nighantu

  1. Agaru Krishna Agaru
  2. Kakatunda Agaru
  3. Mangalyagaru

As per Raja Nighantu

1. Krishna agaru-Black
2. Kasthagaru-Yellow
3. Daahagaru

Useful parts of Agaru : Kanda saara (Heartwood)

Important phytoconstituents: Essential Oil (A.P.I Volume IV)

Rasa panchaka of Agaru: (Heartwood)

Rasa: Katu, Tikta
Guna: Snigdha, Tikshna, Laghu.
Virya: Ushna
Vipaka: Katu
Karma: Vata-Kaphahara, Pittala, Tvachya and Shirovirechaka.

Doshaghnata : Vatakaphahara, Pittakar

Action of Agaru on Dosha, Dhatu and Mala:

By its Katu tikta rasa, laghu and ushna guna it is kaphahara and pittavardhaka. By ushna
virya it is vata Shamaka.

Prayogarha Vyadhi (Therapeutic Indications):

Kasa, Swasa, Hikka, Kustha, Vrana and karna roga.

Amayika Prayoga of Agaru (Therapeutic Benefits of Agaru)

ExterAnal use of Agaru:

a. Lepa of chandana and agaru is useful in shotha (Ch.Chi 12/70).

b. Agaru taila is applied in dustha vrana and also in krimi, kustha and kapha-vataja
vikara. ( 45/123).

Internal Use of Agaru:

A. Hikka and Swasa:
(1) मधुनां संयुतं लेह्ां चूर्ण वा काललोहजम्‌।। (च.चि. १८/१२९)
Agaru churna mixed with madhu cures hikka.
(ii) Shatyadi Churna used in Hikka, Swasa contains Agaru. (Ch.chi 17/123-124)

B. Kasa:
i) Agaru churna mixed with Madhu should be used as leha.
मधुनां मरिचं लिह्मातू मधुनैव च जोड़कम्‌।। (अ.ह.चि. ३/१४७)

C. Lavana Meha:
Kwatha of Patha and Agaru is useful.
लवणमेहिनाम्‌ पाठागरु कषायम्‌।। (सु.चि. ११/९)

Dose of Agaru:

Heartwood churna: 1-3 gms (A.P.I Volume IV)
Churna : 1-3 gms
Tail : 1-5 Drops

Important formulations of Agaru (Vishista Yoga):

Classical References of Agaru:


अगर प्रवरं लोहं राजाहँ योगजं तथा । वंशिकं कृमिजं वा$पि कृमिजग्धमनार्यकम्‌॥। (भा.प्र.)

Guna Karma:

अगरुष्णं कटु त्वच्यं तिक्तं तीक्ष्णश्च पित्तलम्‌ । लघु कर्णाक्षिरोगघ्नं शीतवातकफप्रणुत्‌॥।

कृष्णं गुणाधिकं तत्तु लोहवद्वारि मज्जति । अगरुप्रभवः स्नेहः कृष्णागरुसमः स्मृतः। । (भा.प्र)

Krushna agaru is the best, and it sinks to the bottom when immersed in water like iron. The oil got from agaru has properties similar to krushna agaru.

Frequently Asked Questions About Agaru

What is Aguru used for?

Because of its distinct fragrance, Agaru is widely used in the production of incense sticks, perfumes, and soaps. Its wood is also used in the creation of sculptures and carvings. Beads made from its wood are used in Middle Eastern countries to ward off evil spirits and bring good luck.

How is agaru formed?

Agaru is a large evergreen tree that grows to a height of about 20 metres. It grows in the hilly regions of India’s North East. When a type of fungus infects the wood, it turns black and aromatic. This area of Agaru has medicinal properties.

What is Aguru oil?

When applied to the affected area, agaru or its oil helps to relieve bone and joint pain. According to Ayurveda, the bones and joints are Vata sites in the body. Vata imbalance is the primary cause of joint pain. Agaru powder paste or an Agaru oil massage can help relieve joint pain.

What is agarwood used for?

In the global market, agarwood is used for incense, perfume, traditional medicine, and other products. Agarwood is used in traditional Chinese medicine as a qi-regulating drug and carminative medicine to treat gastric problems, coughs, rheumatism, and high fever.

What is Aguru used for?

In the global market, agarwood is used for incense, perfume, traditional medicine, and other products. Agarwood is used in traditional Chinese medicine as a qi-regulating drug and carminative medicine to treat gastric problems, coughs, rheumatism, and high fever.

What is agarwood called in India?

Northeast India is especially important for agarwood (known as’sanchi’ in Assam). The northeast (particularly Assam, Mizoram, and Tripura) is regarded as the cradle of agarwood aromatics, with ancient agarwood production traditions that are thriving and expanding.

What is agarwood called in English?

Agarwood is known by many different names in different cultures: Lignum aloes is another name for Aloeswood, which is unrelated to the well-known genus Aloe. From aghil, via Hebrew and Greek.

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