Alkaloids are natural products that occur widely in many herbal plants. Anisodamine, widely present in the Solanaceae family, is an alkaloid extracted from the roots of the Anisodus tanguticus Maxim. It is an antagonist to M-choline receptors and exhibits diverse pharmacological effects, such as cholinolytic effect, calcium antagonist effect, anti-oxygenation effect.
View Article and Find Full Text PDFA new homoisoflavonoid, (3)-5,7-dihydroxy-6-methyl-3-(2'-hydroxy-4'-methoxybenzyl)-chroman-4-one (), namely polygonatone H, in addition to fourteen known homoisoflavones (-) were isolated from the rhizome of Hua. The structures were identified with the aid of 1D/2D NMR spectroscopic technologies. Compounds , , , , , , and were isolated from for the first time.
View Article and Find Full Text PDFCassava (Manihot esculenta) shows strong tolerance to drought stress; however, the mechanisms underlying this tolerance are poorly understood. Ethylene response factor (ERF) family genes play a crucial role in plants responding to abiotic stress. Currently, less information is known regarding the ERF family in cassava.
View Article and Find Full Text PDFBackground: Platycodon grandiflorum is the only species in the genus Platycodon of the family Campanulaceae, which has been traditionally used as a medicinal plant for its lung-heat-clearing, antitussive, and expectorant properties in China, Japanese, and Korean. Oleanane-type triterpenoid saponins were the main chemical components of P. grandiflorum and platycodin D was the abundant and main bioactive component, but little is known about their biosynthesis in plants.
View Article and Find Full Text PDFBackground: Dipsacus asperoides is a traditional Chinese medicinal crop. The root is generally used as a medicine and is frequently prescribed by Chinese doctors for the treatment of back pain, limb paralysis, flutter trauma, tendon injuries, and fractures. With the rapid development of bioinformatics, research has been focused on this species at the gene or molecular level.
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