This study aimed at identifying the chemical compounds isolated from the aerial parts and roots of Hyptis suaveolens (L.) Poit. The compounds were isolated and purified by a combination of various chromatographic techniques including silica gel column chromatography, silica gel reverse phase column chromatography, Sephadex LH-20 gel column chromatography, semi-preparative HPLC and recrystallization. The chemical structures were analyzed and elucidated based on physiochemical properties and spectroscopic analysis. From the aerial parts of H. suaveolens, eight compounds were isolated and identified as quercetin 3-O-β-D-glucopyranoside (1), apigenin (2), sorbifolin (3), quercetin (4), kaempferol (5), genkwanin (6), rosmarinic acid (7) and methyl rosmarinate (8). Two compounds were isolated from the roots of H. suaveolens and identified as podophyllotoxin (9) and picropodophyllotoxin (10). Compounds 2-6 were isolated from H. suaveolens for the first time while compound 10 was isolated from the genus of Hyptis for the first time. The results of this study provided a scientific basis for the development of the medicinal value of H. suaveolens and have important theoretical significance for the chemical utilization of H. suaveolens resources.
Desmodium caudatum (Thunb.) DC, is an evergreen plant widely used in the central and southern China with great economic value for their medical values on fever, dysentery, gastroenteritis, rectal prolapse, snake bites, mastitis, and boils carbuncle. Despite its extensive uses as a traditional Chinese medicine, no systematic research on the identification of Desmodium caudatum has been reported. In this study, traditional pharmacognostical identification including the botanical origin and morphological characters, medicinal material characters, microscopic characters, physicochemical parameters determination and phytochemical screening, and DNA barcoding analysis were employed to establish an accurate and effective identification system of Desmodium caudatum. In addition, the molecular pharmacognosy study was adopted in order to identify the samples more accurately. The ITS loci of the nuclear genome and psbA-trnH loci of the chloroplast genome were selected and evaluated, which were the most variable loci. The study will be beneficial to the development of the quality standard and the identification of species.
This review aimed to provide a comprehensive overview of ethnobotanical uses, chemical constituents, posology, and toxicology of Hyptis suaveolens, and to address the significant medicinal benefits in order to promote its application. An extensive and systematic review of the literature was undertaken and all relevant abstracts and full-text articles analyzed and included in the review. A wide range of traditional uses are cited in the literature, ranging from uses for malaria, constipation, stomach problems, renal inflammation to external uses in repelling insects and treating injuries such as lacerations and burnrelated damage to skin and tissues. To date, pharmacological studies have demonstrated the significant activities of this plant that support uses such as antimicrobial, antidiabetic, antiulcer, and antiinflammatory. Numerous important phytochemicals, including 6 triterpenes, 8 diterpenes and 1 flavonoid have been isolated, identified and reported. The extracts and phytochemicals isolated from the plants show considerable potential for medicinal exploitation and utilization, including antimitotic, antiproliferative, cytotoxic, antioxidant, anti-inflammatory, antibacterial, antifungal, antiviral, anti-secretory, hepatoprotective, insecticidal, and acaricidal activities. As a medicinal plant, H. suaveolens is endowed with immense exploitation and utilization value and is widely used worldwide Therefore, further studies to fully elucidate its medicinal potential are warranted. Keywords: Hyptis suaveolens (L.) Poit, Ulcer Antimicrobial Inflammation, Diterpenes, Traditional medicine, Ethnopharmacology, Lamiaceae
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