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ligularia virgaurea/antibakteriell
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8 resultater
Chemical composition and antibacterial properties of essential oil and fatty acids of different parts of Ligularia persica Boiss.
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OBJECTIVE
The objective of this research was to investigate the chemical composition and antibacterial activities of the fatty acids and essential oil from various parts of Ligularia persica Boiss (L. persica) growing wild in north of Iran.
METHODS
Essential oils were extracted by using
Cytostatic effects of plant essential oils on human skin and lung cells.
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Essential oils are volatile compounds extracted from various plants by distillation, hydrodiffusion or compression. In recent years, the use of essential oils has gained popularity. Many pharmaceutical, cosmetic, sanitary, food industry and agriculture studies have revealed that essential oils exert
New bisabolane sesquiterpenes from Ligularia songarica.
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Phytochemical investigation of Ligularia songarica (Compositae) afforded seven new bisabolane-type sesquiterpenes. Their structures were confirmed on the basis of spectroscopic methods, especially 2D-NMR techniques, and compound 7 showed stronger antibacterial activity against Escherichia coli,
Two new benzofurans and other constituents from Ligularia przewalskii.
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Two new benzofurans, 2-(1,2-dihydroxyisopropyl)-5,6-dimethoxybenzofuran (1) and 2-(1-O-feruloyl-2-hydroxyisopropyl)-5,6-dimethoxybenzofuran (2), along with eleven known compounds (3-13) were isolated from the roots of Ligularia przewalskii. Their structures were established on the basis of
Three new polymeric isopropenyl benzofurans from Ligularia stenocephala.
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Three new polymeric isopropenyl benzofurans, 4-methyl-2,4-bis(5,6-dimethoxy-2-benzofuranyl)-1-pentene, stenocephalin A (1), 4,6-dimethyl-2,4,6-tri(5,6-dimethoxy-2-benzofuranyl)-1-heptene, stenocephalin B (2) and 4,6,8-trimethyl-2,4,6,8-tetra(5,6-dimethoxy-2-benzofuranyl)-1-nonene, stenocephalin C
Eremophilenolides and other constituents from the roots of Ligularia sagitta.
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Chemical investigation of the roots of Ligularia sagitta has resulted in the characterization of six eremophilenolides 6beta,8beta-dimethoxy-10beta-hydroxyeremophil-7(11)-en-12,8alpha-olide (1), 6beta-angeloyloxy-10beta-hydroxy-8beta-methoxyeremophil-7(11)-en-12,8alpha-olide (2),
The chemistry and pharmacology of Ligularia przewalskii: A review.
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BACKGROUND
Ligularia przewalskii (Maxim.) Diels (LP) (called zhangyetuowu in Chinese), is generally found in moist forest areas in the western regions of China. The root, leaves and flower of LP are utilized as a common traditional medicine in China. It has been utilized conventionally in herbal
Eremophilane-type sesquiterpenoids with diverse skeletons from Ligularia sagitta.
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Five new highly oxygenated eremophilane-type sesquiterpenoids, possessing C19 (1 and 2), C15 (3 and 4), and C14 (8) skeletons, along with eight known eremophilenolides were obtained from the aerial parts of Ligularia sagitta. The absolute configuration of 1 was assigned by X-ray diffraction analysis
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