PASANABHEDA
Pasanabheda consists of rhizomes of Bergenia ciliata (Haw.) Sternb., Syn. Bergenia ligulata (Wall.) Engl. (Fam. Saxifragacem), a small perennial herb found throughout temperate Himalayas from Bhutan to Kashmir at an altitude between 2000-3000 m and in Khasia hills upto 1200 m altitude.
SYNONYMS
Sanskrit : Asmabhedaka, Silabheda
Assamese : Patharkuchi
Bengali : Patharkuchi, Himasagara, Patrankur
English : —
Gujrati : Pashanbheda, Pakhanbheda
Hindi : Pakhanabheda, Silphara, Patharcua, Pakhanabhed, Silpbheda
Kannada : Alepgaya, Pahanbhedi, Hittaga, Pasanaberu, Hittulaka
Kashmiri : Pashanbhed
Malayalam : Kallurvanchi, Kallurvanni, Kallorvanchi
Marathi : Pashanbheda
Oriya : Pasanbhedi, Pashanabheda
Punjabi : Kachalu, Pashanbhed
Tamil : Sirupilai
Telugu : Kondapindi
Urdu : —
DESCRIPTION
a) Macroscopic
Rhizome, solid, barrel shaped, cylindrical, 1.5-3 cm long and 1-2 cm in diameter with small roots, ridges, furrows and root scars distinct, tranversely cut surface shows outer ring of brown coloured cork, short middle cortex, vascular bundles and large central pith, odour, aromatic, taste, astringent.
b) Microscopic
Transverse section of rhizome shows cork divided into two zones, outer a few layers of slightly compressed and brown coloured cells, inner zone multilayered consisting of thin-walled tangentially elongatd and colourless cells, followed by a single layered cork cambium and 2-3 layers of secondary cortex composed of thick-walled, tangentially elongated, rectangular cells with intercellular spaces, some cells contain rosette crystals of calcium oxalate and simple starch grains cortex a narrow-zone of parenchymatous cells containing a number of simple starch grains, most of cortical cells also contain large rosette crystals of calcium oxalate, endoderm is and pericycle absent. vascular bundles, arranged in a ring, collateral, conjoint and open, phloem tissues cornposed of sieve elements and parenchyma, in outer region found as compressed masses while in inner region intact. a number of rosette crystals of calcium oxalate also found as crystal fibres, cambium present as continuous ring composed of 2-3 layers of thinwalled, tangentially elongated cells, xylem consist of fibres, tracheids, vessels and parenchyma, with centre occupied by large pith composed of circular to oval, parenchymatous cells, varying in size and containing starch grains with crystals of calcium oxalate similar to those found in cortical region.
IDENTITY, PURITY AND STRENGTH
Foreign matter Not more than 2 per cent, Appendix 2.2.2.
Total Ash Not more than 13 per cent, Appendix 2.2.3.
Acid-insoluble ash Not more than 0.5 per cent, Appendix 2.2.4.
Alcohol-soluble extractive Not less than 9 per cent, Appendix 2.2.6.
Water-soluble extractive Not less than 15 per cent, Appendix 2.2.7.
CONSTITUENTS – Tannic acid, gallic acid and glucose
PROPERTIES AND ACTION
Rasa : Tikta, Kasaya
Guna : Laghu
Virya : Sita
Vipaka : Katu
Karma : Bhedana, Vastisodhana, Asmarighna, Mutravirecaniya
IMPORTANT FORMULATIONS – Asmarihara Kasaya Curna, Mutravirecaniya Kasaya Curna
THERAPEUTIC USES – Asmari, Meha, Mutrakicchra
DOSE – 3-6 g of the drug in powder form.
20-30 g of the drug for decoction.
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