Aguru (Aguru (Aquilaria agallocha))
Aguru, also known as Agarwood, is a resinous heartwood produced primarily by *Aquilaria agallocha*. It is highly valued in Ayurveda, perfumery, and traditional ceremonies for its distinct fragrance and therapeutic properties.
Botanical name: Aquilaria agallocha. Also known as: Aguru, Pravara, Anaryaka, Vamshika, Jongakam, Rajarha, Shresht Vruksha, Vishvaroopakam, Krimijagdha, Loha, Agarwood, Aloeswood, Eaglewood, Agilawood, Agar, Agar, Agaru, Agaru, Agar Chandan, Agarkashtha, Akil, Agalichandanam, Aggalichandanam, Krishna Agaru, Ooda, Pharsi, Oud, Oodh, Jinko, Chen Xiang.
Properties
GABA receptor modulation, Antioxidant activity, COX-2 inhibition, Anti-inflammatory action
Dosage
Agarwood oil (essential oil): For aromatherapy, use 5-10 drops in a diffuser twice daily. For topical application, dilute to 1-2% in a carrier oil. Resin chips (wood chips): 1-2 grams per cup when steeped in hot water for herbal tea. Powdered heartwood: 250-500 mg twice daily, taken with honey or encapsulated. Tincture (1:5 ratio): 10-20 drops in water, once or twice a day. Decoction: 5 grams of Agaru wood powder boiled in 240 ml water, reduced to 60 ml. Take twice daily. Urticaria: 2 grams of Agaru bark powder with 5 ml of cow's ghee.
Classical attributes
- Rasa: Bitter, Astringent
- Virya: ["Cooling"]
- Vipaka: ["Pungent"]
Benefits
- Anxiolytic
- Anti-inflammatory
- Digestive
- Neuroprotective
- Antimicrobial
- Expectorant
Traditional uses
- Anxiety
- Inflammation
- Bronchitis
- Asthma
- Skin infections
- Eczema
- Fever
- Halitosis
- Bloating
- Nausea
Dosha effects
- vata: balancing
- kapha: balancing
- pitta: balancing
Preparation methods
- Herbal Tea: Resin chips can be steeped in hot water.
- Decoction (Kwath): Boil Agaru wood powder in water until reduced.
- Paste (Lepa): Bark paste can be applied topically for skin disorders and coldness.
- Oil: Agarwood oil can be used for aromatherapy, topical application after dilution, or oral intake (1-2 drops with betel leaf).
- Powder: Heartwood can be taken in powdered form with honey or encapsulated.
- Smoke: Agarwood can be burned as incense, and the smoke inhaled.
Contraindications
- Generally well-tolerated in traditional and moderate amounts.
- Individual sensitivities should be considered.
- Excessive use may lead to respiratory irritation.
- Inhalation of excessive smoke from burning Agaru incense may cause respiratory discomfort in some individuals.
- Overuse might cause drowsiness or mild headache.
- Skin irritation in sensitive individuals; a patch test is recommended when using the oil topically.
- Rare allergic reactions have been documented; discontinue use at the first sign of a rash.
- While external application is possibly safe, there's a lack of evidence regarding the safety of internal intake during pregnancy and lactation. It's best to avoid internal use unless there are no other alternatives.
Side effects
- Agarwood oil is generally well-tolerated when used as an essential oil for inhalation or external application.
- Excessive inhalation may cause nausea and temporary dizziness. In such cases, drink water, get fresh air, and lie down.
- Excessive external application may cause local redness, irritation, or increased warmth. Wash off with cold water.
- Excessive oral intake may cause nausea, vomiting, or heartburn.
Interactions
- Some Ayurvedic herbs can interact with modern medicine. If both Ayurvedic and allopathic medicines are advised together, it is best to take the Allopathic medicine first, wait 30 minutes, and then take the Ayurvedic medicine.
Clinical evidence
Clinical evidence includes a randomized controlled trial demonstrating anxiety reduction with agarwood oil inhalation. Animal studies support the calming effects. Clinical reports suggest potential respiratory benefits.
Ayurvedic karmas
- Anxiolytic
- Anti-inflammatory
- Digestive
- Neuroprotective
- Antimicrobial
- Expectorant
Classical clinical indications
- Anxiety
- Inflammation
- Bronchitis
- Asthma
- Skin infections
- Eczema
- Fever
- Halitosis
- Bloating
- Nausea