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  • Title: Phytochemical and pharmacognostic studies of Buddleja asiatica leaves.
    Author: Nafees M, Barkatullah, Ullah S, Ikram N.
    Journal: Microsc Res Tech; 2022 Feb; 85(2):510-520. PubMed ID: 34459067.
    Abstract:
    Buddleja asiatica commonly known as "Booi" is a large deciduous shrub belongs to family Scrophulariaceae, traditionally used as antipyretic, analgesic, hypotensive, antimicrobial, anti-inflammatory, and antifungal agent recorded from essential oil obtained from leaves. The literature revealed that the plant has been widely used for many other purposes. The said plant has been analyzed through pharmacognostic techniques such as morphological, microscopic, and physio-chemical evaluations to keep the originality of the plant and to avoid adulteration. Morphologically, the plant is evergreen shrub, while organoleptic studies showed that the leaf has glabrous upper surface and tomentose lower surface, with slightly bitter taste and aromatic odor. Anatomically, the leaf showed typical dicot histological differentiation with hypostomatic nature having highest frequency (90%) of actinocytic stomata. The average stomatal number and stomatal index were 336 ± 39.5 and 30.01 ± 2.34, respectively. The palisade cell ratio, vein termination, and vein islet number were 9.2 ± 0.72, 10.2 ± 3.1, and 10.3 ± 3.3, respectively. Various tissue fragments have been observed during powdered drug analysis of the leaf. Preliminary phytochemical screening confirmed the presence of proteins, phenols, alkaloids, saponins, flavonoids, tannins, and glycosides. Fluorescence analysis in ordinary day light and under UV light along with extractive values was also analyzed. The above-mentioned studies that have been reported, for the first time, for the said plant may be significant to establish the pharmacognostic and phytochemical standards of the said species.
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