PHARMACOGNOSTICAL AND PHYSICOCHEMICAL EVALUATION OF THE PLANT LEUCAS ASPERA

  • K.g Kripa DEPARTMENT OF BIOCHEMISTRY, SCHOOL OF LIFE SCIENCES, VELS UNIVERSITY, CHENNAI, TAMILNADU-600117
  • R. Sangeetha DEPARTMENT OF BIOCHEMISTRY, SCHOOL OF LIFE SCIENCES, VELS UNIVERSITY, CHENNAI, TAMILNADU-600117
  • D. Chamundeeswari DEPARTMENT OF PHARMACOGNOSY, FAULTY OF PHARMACY, SRI RAMACHANDRA UNIVERSITY, PORUR, CHENNAI, TAMILNADU-600118

Abstract

ABSTRACT
Objective: Leucas aspera (Willd.) Linn. is a herbaceous annual distributed throughout India from the Himalayas down to Ceylon. This study was aimed
to investigate the pharmacognostical, phytochemical characteristics, and heavy metal content of the aerial parts of L. aspera.
Methods: The aerial parts of the plant were subjected to macroscopical and microscopical characterization, followed by physicochemical evaluations
using standardized procedures. Atomic absorption spectroscopy (AAS) of the dried plant powder was done to determine the metal and mineral
content. Preliminary phytochemical screening and metabolite analysis of the hydroalcoholic extract of L. aspera (HAELA) were also performed to
analyze the various phytoconstituents.
Results: In this study, the microscopic characteristics of L. aspera were found to be consistent with earlier reports. The total ash value was relatively
high (11.5% w/w). Alcohol soluble and water-soluble extractive values were found to be 6.5% and 9%, respectively. AAS indicated the plant to
contain insignificant quantities of heavy metals and considerable amounts of copper, sodium, potassium, and iron. Phytochemical analysis revealed
the presence of alkaloids, flavonoids, glycosides, lignins, phenols, saponins, sterols, and tannins in HAELA.
Conclusion: The pharmacognosy - anatomical, physicochemical, heavy metal characteristics, and the preliminary phytochemical studies of the aerial
parts of L. aspera have revealed the presence of phytoconstituents such as triterpenoids, phenolic compounds, flavonoids, and glycosides; insignificant
quantities of heavy metals and significant content of phenolics and tannins in the plant.
Keywords: Leucas aspera, Ash value, Heavy metal content, Atomic absorption spectroscopy.

Author Biography

K.g Kripa, DEPARTMENT OF BIOCHEMISTRY, SCHOOL OF LIFE SCIENCES, VELS UNIVERSITY, CHENNAI, TAMILNADU-600117

ASSOCIATE PROFESSOR,

DEPARTMENT OF BIOCHEMISTRY

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Kripa, K., R. Sangeetha, and D. Chamundeeswari. “PHARMACOGNOSTICAL AND PHYSICOCHEMICAL EVALUATION OF THE PLANT LEUCAS ASPERA”. Asian Journal of Pharmaceutical and Clinical Research, Vol. 9, no. 8, Oct. 2016, pp. 263-8, doi:10.22159/ajpcr.2016.v9s2.13718.
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