A COMPARATIVE PHARMACOGNOSTICAL EVALUATION OF THREE BOTANICAL SOURCE PLANTS OF JIVANTI
DOI:
https://doi.org/10.22159/ijpps.2018v10i2.22915Keywords:
Holostemma ada-kodien Schult, Jivanti, Leptadenia reticulata (Retz), Pharmacognosy, Wattakaka volubilis (Linn f) StapfAbstract
Objective: This study was undertaken to carry out a comparative pharmacognostical evaluation of three botanical source plants used in the name of classical Ayurvedic drug Jivanti.
Methods: Leaves of three source plants of jivanti belonging to Asclepiadaceae family i.e. Leptadenia reticulata (Retz.), Holostemma ada-kodien Schult. and Wattakaka volubilis (Linn. f.) Stapf were evaluated for morphological and microscopical characters including quantitative microscopy, surface study, powder microscopy and histochemical studies.
Results: Morphologically all the three species showed some similar characters like simple, opposite leaves with reticulate venation. The shape of the leaves were ovate to oblong in L reticulata and H ada-kodien whereas W volubilis was having broadly ovate or suborbicular leaves. Multicellular glandular warty trichomes, rosette crystals of calcium oxalate, lactiferous cells were observed in all the three species whereas prismatic crystals were also present in W volubilis. Palisade ratio and stomatal index were higher in H ada-kodien followed by L reticulata. Characteristic differences in the organoleptic characters like colour, taste, touch were observed in individual powder samples. Test for lignin, calcium oxalate crystal, starch grain and tannin showed a positive result in all the three samples.
Conclusion: The present study reports specific pharmacognostical characteristics for the identification and differentiation of each botanical source plant. The observed results can also serve as a reference for any further investigations.
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