• Name : Rohitak
  • English Name :Rohituka Tree
  • Scientific Name :Tecomella undulata



Rohitaka consists of dried stem barks of Tecomella undulata (Sm.) Seem. (Fam. Bignoniaceae), a small tree distributed in the drier parts of the North-West and Western India, ascending to an altitude of 1,200 m in the outer Himalayas and often cultivated in gardens for its beautiful flowers.1


Morphology Description (Habit):

Bark – obtained as curved pieces, measuring 5 to 8 mm in thickness; outer surface greyish brown with longitudinal furrows, transverse irregular cracks and vertically elongated lenticels; inner surface smooth, buff to light brown; fracture tough; fractured surface horny; taste and odour indistinct.1


Parts Used:

Stem Bark



Tecomin (veratroyl β-D-glucoside), n-triacontane, n-heptacosane, n-nonacosane, n-triacontanol, n-octacosanol, β-sitosterol.1


As per Ayurveda:

           Rasa (Taste)                 : Pungent, bitter and astringent

           Guna (Property)           : Light, dry

           Veerya (Potency)         : Cold

           Vipaka (End Result)      : Pungent


Pharmacological Actions:

Rohitak is Vatakaphahara. The primary pharmacological actions of its stem bark are summarized as under:


Digestive System:

i. Exhibits hepatoprotective potential, which is partially due to the presence of betulinic acid.2


Endocrinal System: 

i. Possesses antihyperglycemic and antioxidant activities.3



i. Useful in obesity and metabolic disorders as it leads to significant decrease in adipogenesis and lipogenesis.4

ii. Exhibits analgesic activity.5


Liver and spleen disorders




1. The Ayurvedic Pharmacopeia of India, Part-1, Vol-6.

2. Jain M, Kapadia R, Jadeja RN, et al. Hepatoprotective potential of Tecomella undulata stem bark is partially due to the presence of betulinic acid. J Ethnopharmacol. 2012 Aug 30;143(1):194-200.

3. Kumar S, Sharma S, Vasudeva N, Ranga V. In vivo anti-hyperglycemic and antioxidant potentials of ethanolic extract from Tecomella undulata. Diabetol Metab Syndr. 2012 Jul 6;4(1):33.

4. Alvala R, Alvala M, Sama V, et al. Scientific evidence for traditional claim of anti-obesity activity of Tecomella undulata bark. J Ethnopharmacol. 2013 Jul 9;148(2):441-8.

5. Ahmad F, Khan RA, Rasheed S. Preliminary screening of methanolic extracts of Celastrus paniculatus and Tecomella undulata for analgesic and anti-inflammatory activities. J Ethnopharmacol. 1994 May;42(3):193-8.


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