NILAJHINTI (Root)
Nilajhinti consists of root of Barleria strigosa Willd. (Fam. Acanthacem), a tall herb which is distributed throughout the upper gangentic plain and southern parts of India.
SYNONYMS
Sanskrit : Dasi, Bana, Krsna, Saireyakah, Nilasaireyakah
Assamese : —
Bengali : Jhaati, Kaaraajaati
English : —
Gujrati : Kaataseriyo
Hindi : Nili, Katsaraiya
Kannada : —
Kashmiri : —
Malayalam : Nilakurnni
Marathi : Koraanti, Wahiti
Oriya : —
Punjabi : —
Tamil : Shemmuli
Telugu : Mullugorant, Nilambaramu
Urdu : —
DESCRIPTION
a) Macroscopic
Branched tap root, 2 to 10 mm in thickness; knotty and thicker at the transition zone with stem; dark brown; cut pieces of about 20 cm in length; cut or broken surface straw coloured and split; surface of fractured part smooth; bark sloughing off from broken areas; unpleasant odour; tasteless, texture rough.
b) Microscopic
T.S. of root reveals a circular outline; outer layers generally sloughed off; but strips of cork, cork cambium and cortex with occasional stone cells may be present; phloem composed mostly of parenchyma and fibres and separated from xylem by a flattened layer of cambium; xylem composed of thick walled cells and vessel elements and interrupted by 1 to 3 seriate rays made of squarish or rectangular cells radiating from 8 to 12 points of primary xylem elements present at the periphery of the pith; 1 or 2 growth rings visible in the wood region; pith made of large, angular, compactly arranged, thin walled cells. In dried market samples the pith region usually shows radial fractures; some cells of the pith show dark contents.
Powder – Powder shows vascular elements with simple pitted thickenings, and tracheidal cells having pointed end walls. Stone cells, 60 to 120 n present.
IDENTITY, PURITY AND STRENGTH
Foreign matter Not more than 1 per cent, Appendix 2.2.2.
Total Ash Not more than 6 per cent, Appendix 2.2.3.
Acid-insoluble ash Not more than 1 per cent, Appendix 2.2.4.
Alcohol-soluble extractive Not less than 6 per cent, Appendix 2.2.6.
Water-soluble extractive Not less than 1 per cent, Appendix 2.2.7.
T.L.C.
T.L.C. of the alcoholic extract on slica gel ‘G’ plate (0.2 mm thick) using ethylacetate : methanol : water (9:0.5:0.5) as the mobile phase shows under U.V. (366nm) spots at Rf 0.13 (Blue); 0.20 (Bluish green); 0.35 (Fluorescent blue); 0.44 (Blue); 0.62 (Purplish blue); 0.82 (Blue); 0.91 (Orange).
PROPERTIES AND ACTION
Rasa : Madhura, Tikta
Guna : Snigdha
Virya : Usna
Vipaka : Katu
Karma : Kesya, Mutrala, Vatakaphahara, Visaghna, Kesaranjana, Garbhavrddhi Kara
IMPORTANT FORMULATIONS – Manikya Rasa
THERAPEUTIC USES – Sotha, Kasa, Kandu, Kustha, Musikavisa, Mutrakrcchra, Raktavikara, Vatarakta, Vatajanyaksaya, Siragranthi, Dantaroga
DOSE – 10 – 20 ml swarasa.
50 – 100 ml kvatha.
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