PULLANI (Stem)
Pullani consists of stem of Calycopteris floribunda Lam. (Fam. Combretacem), a scandent shrub, distributed in the deciduous forests of western peninsula.
SYNONYMS
Sanskrit : Karavelli, Pullani, Toyavalli
Assamese : —
Bengali : —
English : —
Gujrati : —
Hindi : Kokkarai
Kannada : Enjarige Kubsa, Marsadabaguli
Kashmiri : —
Malayalam : Pullaani, Varavalli
Marathi : Bogull, Ukshi
Oriya : —
Punjabi : —
Tamil : Minnaarukoti, Pillani, Therulankodl
Telugu : Bandimurududu
Urdu : —
DESCRIPTION
a) Macroscopic
Pieces of stem cylindrical, about 8 to 10 mm thick, surface light brown, smooth; bark thin, easily separable; fracture hard and fibrous; taste and odour indistinct.
b) Microscopic
T.S. of stem shows narrow cork consisting of rectangular and tangentially elongated cells, phelloderm exhibits 5 to 8 layers of thin walled parenchymatous cells; phloem is composed of soft tissues being traversed by uniseriate medullary rays; xylem is a wide zone consisting of scalariform and reticulate vessels with transverse or lateral wall perforations and tracheids, simple pitted fibres and parenchyma cells; medullary rays are uniseriate; patches of interxylary phloem made up of soft tissues are seen in this region; intraxylary phloem is present at the periphery of pith; the pith consists of thin walled parenchyma cells with isolated stone cells; rosettes of calcium oxalate crystals scattered in phloem and interxylary phloem.
Powder – Light brown; shows fragments of vascular elements, scalariform and reticulate vessels and tracheids, stone cells, pitted fibres and parenchyma, thin walled parenchyma cells, parenchyma cells with rosettes of calcium oxalate crystals and isolated rosettes of calcium oxalate crystals.
IDENTITY, PURITY AND STRENGTH
Foreign matter Not more than 2 per cent, Appendix 2.2.2.
Total Ash Not more than 5 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 2 per cent, Appendix 2.2.6.
Water-soluble extractive Not less than 2.5 per cent, Appendix 2.2.7.
T.L.C.
T.L.C. of alcoholic extract on Silica gel ‘G’ precoated plates (Merck), using Ethyl acetate:Methanol:Water (8:11:8) shows in visible light two spots at Rf. 0.89 (light yellow) and 0.94 (dark yellow); under UV (254nm) four spots appear at Rf. 0.30, 0.51, 0.58 (all light blue) and 0.89 (yellow); on exposure to Iodine vapours four spots appear at Rf. 0.34, 0.51, 0.58 and 0.89 (all yellow); on spraying with 5% ethanolic sulphuric acid and heating the plate at 110oC for 30 minutes, five spots appear at Rf. 0.34, 0.51, 0.58, 0.89 (all faint brown) and 0.94 (black).
CONSTITUENTS – Octacesanol, sitosterol, calycopterin, 3’0-Methylcalycopterin, 4-0 methylcalycopterin, ellagic acid.
PROPERTIES AND ACTION
Rasa : Tikta
Guna : Laghu, Ruksa
Virya : Usna
Vipaka : Katu
Karma : Bhedini, Kaphahara, Pittahara, Vibandhahara
IMPORTANT FORMULATIONS – Marma Gutika
THERAPEUTIC USES – Jvara, Krmi, Kustha, Pandu
DOSE – 3-6 g.
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