E-HERBARIA

  • Name : Tagar
  • English Name :Indian Valerian
  • Scientific Name :Valeriana wallichii

Habitat:

Tagara consists of predominantly dried rhizome, stolon and small portion of root of Valeriana wallichii DC, (Fam.Valerianaceae): a hairy perennial herb, growing in temperate Himalayas from Kashmir to Bhutan and Khasia hiils upto an altitude of 3,000 m, rhizomes dug in autumn, well washed with water and dried.1

Morphology Description :

Rhizome, of about 4-8 cm long and 4-10 mm thick pieces, dull yellowish-brow. sub-cylindrica1 and dorsiventrally somewhat flattened, rough, slightly curved and unbranched, upper surface marked with raised encircling leaf scars, under surface bearing numerous, small, circular prominent, root scars and a few stout rootlets, crown bearing remains of aerial stems with scale leaves, fracture short and horny, stolon connecting rhizomes stout, 1-5 mm long and 2-4 mm thick, yellowish-grey in colour, longitudinally wrinkled, usually with nodes and internodes and bearing adventitious roots, occasionally thin stolons 1-2 mm thick, root, yellowish-brown, 3-5 cm long and 1mm thick, odour, strong and reminiscent of isovaleric acid, taste, bitter and somewhat camphoraceous.1

Parts Used:            Rhizome

Phytochemistry:

Essential Oil

As per Ayurveda:

Rasa (Taste)                  Pungent, bitter and astringent

Guna (Property)             Light, unctuous

Veerya (Potency)           Hot

Vipaka (End Result)     Pungent

Pharmacological Actions:

Tagar is Tridoshahara; its primary pharmacological actions are summarized as under:

Central Nervous System: 

i. Potent antidepressant effect, significantly increases norepinephrine and dopamine levels in forebrain.2

ii. Significantly improves the quality of Sleep;3 Possesses anxiolytic, sedative and sleep-enhancing properties.

Respiratory System: 

i. Effectively mitigates airway disorders.4

Digestive System: 

i. Powerful antispasmodic.5  

ii. Effectively mitigates hyperactive gut disorders.4

Cardiovascular System: 

i. Exerts hypotensive effect.5

Musculoskeletal System: 

i. The leaves exert anti-inflammatory effect on topical application.6

Others: 

i. Exerts radioprotective effect.7

ii. Possesses significant antimicrobial and anti-inflammatory activities.8

iii. Exhibits antileishmanial activity.9

Indications:

 Stress and allied disorders, such as restlessness, irritability and anxiety

 Disturbed Sleep and Lack of Sleep (Insomnia)

 (As an adjuvant in) Dysmenorrhea and Hypertension

References:

1. The Ayurvedic Pharmacopoeia of India, Part-1, Vol-1.

2. Sah SP, Mathela CS, Chopra K. Antidepressant effect of Valeriana wallichii patchouli alcohol chemotype in mice: Behavioural and Biochemical Evidence. Journal of Ethnopharmacology. 2011; 135(1): 197-200.

3. Sahu S, Ray K, Yogendra Kumar MS, et al. Valeriana wallichii root extract improves sleep quality and modulates brain monoamine level in rats. Phytomedicine. 2012; 19(10): 924-9.

4. Khan AU, Gilani AH. Antidiarrheal and Bronchodilatory potential of Valeriana wallichii. Natural Product Research. 2012; 26(11): 1045-9.

5. Gilani AH, Khan AU, et al. Antispasmodic and Blood pressure lowering effects of Valeriana wallichii are mediated through K+ channel activation. Journal of Ethnopharmacology. 2005; 100(3): 347-52.

6. Khuda F, Iqbal Z, Khan A, Zakiullah, Nasir F, Shah Y. Anti-inflammatory activity of the topical preparation of Valeriana wallichii and Achyranthes aspera leaves. Pak J Pharm Sci. 2013 May;26(3):451-4.

7. Katoch O, Kaushik S, Kumar MS, e al. Radioprotective property of an aqueous extract from valeriana wallichii. J Pharm Bioallied Sci. 2012 Oct;4(4):327-32.

7. Khuda F, Iqbal Z, Zakiullah, Khan A, Nasir F. Antimicrobial and anti-inflammatory activities of leaf extract of Valeriana wallichii DC. Pak J Pharm Sci. 2012 Oct;25(4):715-9.

7. Ghosh S, Debnath S, Hazra S, Hartung A, et al. Valeriana wallichii root extracts and fractions with activity against Leishmania spp. Parasitol Res. 2011 Apr;108(4):861-71.

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Product Range:

Brenovita Syrup , Cardiacare Capsule

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