KASERU
Kaseru consists of rhizome of Scirpus kysoor Roxb. (Fam. Cyperacem), a weed commonly found on the margins of ponds and swampy places throughout India.
SYNONYMS
Sanskrit : Kaseruka
Assamese : Kaheru
Bengali : Keshura
English : Water chestnut
Gujrati : Kasela, Kasola
Hindi : Kaseru
Kannada : Kasure gadd, Kaseruva, Kothigadde
Kashmiri : Kath
Malayalam : Kazhi Muthanga
Marathi : Kasara, Kachera, Kachora
Oriya : Kasaru Kawda, Kasaru Kanda
Punjabi : Kaseru
Tamil : Gundatigagaddi
Telugu : Guntatungagaddi
Urdu : Kaseru
DESCRIPTION
a) Macroscopic
Rhizomes, oval to cylindrical, often branched having a number of transverse rings, black coloured roots and rounded scars, black externally and cream coloured internally, odour, aromatic, taste, bitter.
b) Microscopic
Tranverse section of rhizome shows epidermis of collapsed and brown coloured cells: hypodermis, 4-8 cells with thick brown cell walls, followed by a wide zone of cortical ground tissue of oval to rounded, thin-walled, parenchymatous cells, filled with oval to spherical starch grains, encircled by sclerenchymatous sheath, vascular bundles, found scattered throughout cortical ground tissue, endodermis consists of brown coloured cells with heavy thickenings on thier walls, enclosing a wide central stelar ground tissue with a number of scattered vascular bundles of closed, collateral type, encircled by sclerenchymatous sheath, stelar ground tissues of rounded to oval, thinwalled and parenchymatous cells, containing oval to spherical starch grains, a number of secretory cell with orange-brown contents found throughout cortical and stelar ground tissue.
Powder– Light brown, under microscope shows abundant round to oval starch grains and orange-yellow pigments, fragments of xylem vessels with annular thickenings and thinwalled, parenchymatous tissue.
IDENTITY, PURITY AND STRENGTH
Foreign matter Not more than 2 per cent, Appendix 2.2.2.
Total Ash Not more than 8 per cent, Appendix 2.2.3.
Acid-insoluble ash Not more than 3 per cent, Appendix 2.2.4.
Alcohol-soluble extractive Not less than 4 per cent, Appendix 2.2.6.
Water-soluble extractive Not less than 9 per cent, Appendix 2.2.7.
CONSTITUENTS – Starch, saponins, sugars and progesterone.
PROPERTIES AND ACTION
Rasa : Madhura, Kasaya
Guna : Guru
Virya : Sita
Vipaka : Madhura
Karma : Caksusya, Grahi, Pittaghna, Dahaghna, Sukrakara, Stanyakara, Rucikara.
IMPORTANT FORMULATIONS – Saubhagyasunhti
THERAPEUTIC USES – Aruci, Atisara, Daha, Daurbalya, Netraroga, Sukraksya, Stanyaksaya
DOSE – 5-10 g of the drug in powder form.
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