Asian Journal of Traditional Medicines
Asian Journal
Of Traditional Medicines

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›› 2014, Vol. 9 ›› Issue (1): 8-17.

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Pharmacognostical studies on the leaves ofCanavalia virosa (Roxb.) Wight & Arn.

Lavanya Alagusolaiyan 1, Shakila Ramachandran 2 *, Sasikala Ethirajulu 3, Ayyasamy Sengan 1   

  1. 1 Department of Pharmacology (Gunapadam), Government Siddha Medical College, AnnaHospital Campus, Arumbakkam, Chennai 600106, India;2 Department of Chemistry, Siddha Central Research Institute (Central Council for Research inSiddha), Anna Hospital Campus, Arumbakkam, Chennai 600106, India;3 Department of Pharmacognosy, Siddha Central Research Institute (Central Council forResearch in Siddha), Anna Hospital Campus, Arumbakkam, Chennai 600106, India
  • Received:2013-05-20 Revised:2013-08-30 Online:2014-02-20 Published:2014-02-20
  • Contact: Shakila Ramachandran

Abstract: Canavalia virosa (Roxb.) Wight & Arn. syn. C. ensiformis (Linn.) DC. var. virosa (Roxb.) Baker. belongs to the family
Papilionaceae. It is known as Kozhi Avarai in Tamil and used in the Siddha System of Medicine. In the present study, the
morphology of the plant, exo and endomorphic characteristics, powder analysis, preliminary phytochemical analysis, physicochemical
analysis, TLC photo documentation and HPTLC finger print of leaf are investigated. The findings revealed that
the occurrence of prism of calcium oxalate crystals, paired foliar epidermal cells with solitary styloid crystals, non-glandular
uniseriate and glandular club shaped trichomes and paracytic stomata are diagnostic characters which would help in the
identification of the drug. TLC photo documentation showed ten spots in UV 254 and 366 nm, HPTLC finger print profiles of the
chloroform extract showed thirteen peaks out of which 4 are major peaks.

Key words: Canavalia virosa, Canavalia ensiformis, Kozhi Avarai, phamacognosy, HPTLC finger print profile

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