PHARMACOGNOSTICAL STANDARDIZATION OF LEAVES OF PARNAYAVANI (COLEUS AMBOINICUS LOUR.)
DOI:
https://doi.org/10.70066/jahm.v2i9.211Keywords:
Parnayavani, Coleus amboinicus, Pharmacogonosy, Standardization, Physicochemical standardsAbstract
Background: Coleus amboinicus commonly known as Pattaajwain is a perennial herb with hairy, succulent, aromatic leaves
smelling like thyme. Its leaves are extensively used in Indian traditional system as well as tribal medicines for the treatment
of bronchitis, asthma, diarrhoea, epilepsy, renal calculi & fever etc. Objectives: It is necessary to ascertain the authenticity
of this drug when it is used for therapeutic purpose. Hence the present study was undertaken for systematic
pharmacognostical evaluation of the leaves of Coleus amboinicus. Methods: The study includes macroscopical,
microscopical evaluation along with estimation of its physico-chemical parameters such as ash value, extractive values and
preliminary phytochemical screening. Results: Preliminary phytochemical screening showed the presence of carbohydrate,
alkaloids, protein, glycosides & phenolic compounds. Conclusion: The study would be of immense value in botanical
identification and authentication of plant drug and may help us in preventing its adulteration.
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