E-HERBARIA

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

 

Habitat:

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

 

Phytochemistry:

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

 

Others: 

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

ii. Exhibits analgesic activity.5

Indications:

Liver and spleen disorders

Obesity

 

References:

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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