Shyonak (Oroxylum indicum) is small perennial tree extending to a height 8-15m branched at top chiefly grow in evergreen forest.
Its leaves are 0.5-1.5 m long, 2-3 pinnate with opposite pinnae, leaflets 2-4 pairs, 6-12 cm long and 4-10 cm broad, ovate or elliptic, acuminate, glabrous; petioles of the lateral leaflets 6-15 mm long. Flowers are numerous having reddish-purple and pinkish-yellow within, about 0.3-0.6 meter long. The stalk of the flowers is one feet long.
Shyonak (Oroxylum indicum) has been mentioned in various Ayurvedic text such as Sushrut and Charak samhita. Charak has prescribed Shyonak as antiseptic, astringent and recommended for non-healing ulcers, female disorders and dysentery.
Shyonak leaves are emollient containing anthraquinone and aloe-emodin.
The root bark and stem bark have anti-allergic properties and are being used in treatment of allergic diseases, urticaria, jaundice, asthma, sore throat, laryngitis, hoarseness, diarrhoea, dysentery, infantile, erythema and measles
The chemical constituents of this herb consist of Baicalein, Tetuin, Oroxindin, aloe-emodin and chrysin.
Found in the warmer parts of India (up to 1000 m of height) also cultivated as an avenue tree. This tree is found throughout India, up to an altitude of 1200m, from Himalaya to Konkan, Malabar, Western Ghats and Coro Mandal. It prefers moist places of deciduous forests and evergreen forests and rarely seen in dry, western area.
Also found in Nepal, China, and Sri Lanka eastwards through Southeast Asia to Philippines and Indonesia.
Hindi / Sanskrit |
English |
|||
Rasa |
Madhura, Tikta, Kashaya |
Taste |
Sweet, Bitter, Astringent |
|
Guna |
Laghu, Rooksha |
Physical Property |
Light, Dry |
|
Virya |
Ushna |
Potency |
Hot |
|
Vipaka |
Katu |
Metabolic Property (After Digestion) |
Pungent |
It balances Kapha-Vata doshas.
Charaka Samhita |
Sushrut Samhita |
Vagbhata |
· Shothara - Anti-inflammatory group of herbs · Sheeta Prashamana - Cold, Cough subsiding group of herbs · Anuvasanopaga - Group of herbs that are used in Oil enema (Anuvasana basti) |
· Rodharadi · Viratavadi · Brhat pancamula |
· Rodharadi · Viratavadi |
The Bhavprakash nighantu edition of 1998 verse 25- 26, page no. – 283-285.
The name and property of the Sonapathaare mentioned. Its names are Aralu, Shyonak, Nat, Katvanga, Tuntuka, Mandukaparna, Patrorna, Sukanasa, Dirghavrinta, Aralu, Prithu Shimba and Katammar all are Sanskrit names of Sona Patha. It promotes digestive fire. It is astringent, bitter in taste and pungent after digestion. It manages all three doshas vata, pitta and kapha.
The Bhavprakash nighantu with elaborated Hindi commentary by Padmashri prof. K.C. Chunekar, edited by Dr. G.S. Pandey: edition of 1998: verse 25- 26, page no. – 283-285.
This herbal plant is found to possess anti-inflammatory, diuretic, astringent, expectorant, anti-arthritic, antipyretic, aphrodisiac antifungal and antibacterial activity and is also believed to contain antitumor constituents, and is frequently used because of these properties.