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Year : 2022  |  Volume : 5  |  Issue : 1  |  Page : 12-21

Pharmacognostical studies on whole plant of Mimosa pudica L

Department of Pharmacognosy, College of Pharmacy, Madurai Medical College, Madurai, Tamil Nadu, India

Correspondence Address:
Ms. Harikrishnan Rajalakshmi
Department of Pharmacognosy, College of Pharmacy, Madurai Medical College, Madurai - 625 020, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jrsm.jrsm_14_22

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Background: Mimosa pudica is a creeping, diffuse, prickly undershrub of genus mimosa, native to tropical America which is also scattered along tropical and subtropical parts of India. It is well known as a sensitive plant, shame plant, touch-me-not, humble plant, shyness princess, and sleeping plant by virtue of rapid leaf movements in response to touch. Aim: The intention of this research was to investigate the morphological, micro anatomical, powder microscopy, proximate, and phytochemical analysis in whole plant of M. pudica. Materials and Methods: The investigation on macroscopy, microscopy, and physiochemical and phytochemical analyses were implemented using standard methods. Results: This study divulged unique macroscopical and anatomical characters present in the whole plant of M. pudica. The powder microscopy revealed the presence of trichomes, paracytic stomata, starch grains, prismatic crystals, mucilage, and brownish content. The quantitative microscopy performed in epidermal peelings of leaf quantified the epidermal number, stomatal number, stomatal index, and palisade ratio which determine its quality and purity. The proximate analysis performed was within the specific limits. The phytochemical analysis identifies different phytoconstituents in n-hexane and ethyl acetate extract. Further quantitative estimation disclosed that the total quercetin equivalent in 1 g of ethyl acetate extract of M. pudica was to be 13.39 mg and 27.5 mg of total β-sitosterol equivalent in n-hexane extract of M. pudica. Conclusion: This research concludes the assessment in whole plant of M. pudica by pharmacognostical, physiochemical, and phytochemical estimation for its identification and confirmation of species epithet from adulterated, substituted, or similar distant group species such as Albizia julibrissin, Acacia dealbata, Neptunia gracilis, and Mimosa tenuiflora.

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