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INVESTIGATION THE BOTANICAL CHARACTERISTICS AND PHYTOCHEMICAL CONSTITUENTS OF MILLETTIA PULCHRA KURZ FABACEAE
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Abstract
Background: Millettia pulchra Kurz (Bach chi nam) has been used in traditional folk medicine for the treatment of fever, headache, rheumatism and was a popular herbal medicine in An Giang province. Objectives: The morphological, anatomical, and preliminary analysis of chemical constituents of M. pulchra were performed for plant identification and quality control of this plant. Methods: Morphological, anatomical characteristics and microscopic examination of M. pulchra was analyzed, described, and photographed. The chemical components were identified by means of chemical reactions. Extraction and isolation were used by column chromatographic. The structures were deduced by means of spectroscopic methods (UV, MS, NMR). Results: Morphology: Stems woody. Leaves 11-17-foliolate, alternate, lanceolate. Inflorescences grow in clusters at the leaf apex, purple-pink flowers, vexillary aestivation, 5 merous, 5-8 ovules. Five sepals are fused together forming a tube. The flower has 10 stamens in the form of 9 stamens sticking together into a cylinder, the 10th stamen is separated. Preliminary analysis of chemical constituents of radix M. pulchra are flavonoid and triterpenoid. From n-hexane fraction, karanjin was isolated and identified. Conclusions: That is the first time the morphological and anatomical characteristics of M. pulchra Kurz were described in detail for plant identification. The plant morphology and microscopic characteristics provided reliable information for the taxonomical identification of this species. Karanjin-the main component-was isolated from M. pulchra radix for further quality control of these herbs.
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Keywords
Bach chi nam, Millettia pulchra, morphology, anatomy, radix powder characteristics
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