Phytotherapy Research

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Anthraquinones from Polygonum cuspidatum as tyrosinase inhibitors for dermal use
Phytotherapy Research - Tập 22 Số 4 - Trang 552-556 - 2008
Yann‐Lii Leu, Tsong‐Long Hwang, Jiuan‐Wen Hu, Jia‐You Fang
AbstractFour anthraquinones, physcion (1), emodin (2), citreorosein (3) and anthraglycoside B (6), and two stilbenes, resveratrol (4), and piceid (5), were isolated previously from the root of Polygonum cuspidatum. These bioactive compounds were examined for their antityrosinase potency. No antityrosinase activity was detected with treatm...... hiện toàn bộ
Antibacterial and Antimycobacterial Lignans and Flavonoids from Larrea tridentata
Phytotherapy Research - Tập 26 Số 12 - Trang 1957-1960 - 2012
Juan Manuel Favela-Hernández, Abraham García, Elvira Garza‐González, Verónica M. Rivas-Galindo, María del Rayo Camacho‐Corona
Three lignans and four flavonoids were isolated and characterized from Larrea tridentata and compounds were tested against 16 bacterial species/strains. Results showed that: dihydroguaiaretic acid (1) had activity towards methicillin resistant (MR) Staphylococcus aureus (minimum inhibitory concentration (MIC) 50 µg/mL) and multidrug‐res...... hiện toàn bộ
Vitexin, orientin and other flavonoids from Spirodela polyrhiza inhibit adipogenesis in 3T3‐L1 cells
Phytotherapy Research - Tập 24 Số 10 - Trang 1543-1548 - 2010
Jin-Pyo Kim, Ik‐Soo Lee, JeongJu Seo, Mun Yhung Jung, Young‐Hee Kim, Nam–Hui Yim, KiHwan Bae
AbstractTo investigate the adipogenesis inhibitory effect on lipid accumulation, 3T3‐L1 cells were treated with fractions and isolated flavonoids of Spirodela polyrhiza. An ethanol extract of S. polyrhiza was fractionated into three fractions. The butanol soluble fraction (SPB) exhibited potent antiadipogenesis ...... hiện toàn bộ
Trifolium L. – A review on its phytochemical and pharmacological profile
Phytotherapy Research - Tập 23 Số 3 - Trang 439-446 - 2009
Temine Şabudak, Necmettin Güler
AbstractPlants from the genus Trifolium have been used in traditional medicine by many cultures. In Turkish folk medicine, for example, some Trifolium species are used for their expectorant, analgesic, antiseptic properties and also to treat rheumatic aches. Some species are also grown as pasture crops for anima...... hiện toàn bộ
Licoflavone C attenuates the genotoxicity of cancer drugs in human peripheral lymphocytes
Phytotherapy Research - Tập 22 Số 12 - Trang 1650-1654 - 2008
Roberto Scarpato, Letizia Paganucci, Alessandra Bertoli, Lisa B. Fiore, Luisa Pistelli, Giovanni Federico
AbstractFlavonoids exhibit a wide spectrum of biological activities that can lead to beneficial effects for human health. The search for cytotoxic, genotoxic and/or antimutagenic natural compounds is therefore of great relevance, especially in cancer chemotherapy. In view of this, we screened the potential genotoxicity/antigenotoxicty of licoflavone C (LFLC) – a na...... hiện toàn bộ
Polar Constituents of Marrubium thessalum Boiss. & Heldr. (Lamiaceae) and their Cytotoxic/Cytostatic Activity
Phytotherapy Research - Tập 26 Số 12 - Trang 1800-1806 - 2012
Aikaterini Argyropoulou, Pinelopi Samara, Ourania E. Tsitsilonis, Helen Skaltsa
The methanol extract of the aerial parts of Marrubium thessalum Boiss. & Heldr. (Lamiaceae) afforded 30 phenolic metabolites, belonging to the classes of phenylethanoid glycosides, flavonoids and simple phenolic compounds. The crude methanol extract as well as the secondary metabolites were screened for their cytotoxic/cytostatic effects against four human ca...... hiện toàn bộ
Screening for toxic thiophene compounds from crude drugs of the family compositae used in Northern Italy
Phytotherapy Research - Tập 5 Số 2 - Trang 59-62 - 1991
B. Tosi, A. Bonora, G. Dall'Olio, Alessandro Bruni
AbstractThe presence and distribution of biosynthetically related di‐ and terthiophenes from 25 crude drugs derived from some genera of the family Compositae were investigated by high performance thin layer chromatography (HPTLC) densitometry. A significant thiophene content was found in Tagetes patula, Achillea millfolium, A...... hiện toàn bộ
In vitro anti‐hepatoma activity of fifteen natural medicines from Canada
Phytotherapy Research - Tập 16 Số 5 - Trang 440-444 - 2002
Liang Lin, Li‐Teh Liu, Lien‐Chai Chiang, Chun‐Ching Lin
AbstractFifteen crude drugs, Stellaria media Cyrill. (Caryophyllaceae), Calendula officinalis L. (Compositae), Achillea millefolium L. (Compositae), Verbascum thapsus L. (Scrophulariaceae), Plantago major L. (Plantaginaceae), ... hiện toàn bộ
Protective effects of selected medicinal plants against protein degradation, lipid peroxidation and deformability loss of oxidatively stressed human erythrocytes
Phytotherapy Research - Tập 18 Số 4 - Trang 280-284 - 2004
Sanaa Suboh, Y.Y. Bilto, Talal Aburjai
AbstractThe effects of seven medicinal plants including Artemisia herba‐alba, Ferula hermonis, Hibiscus sabdariffa, Nigella sativa, Teucrium polium, Trigonella foenum‐graecum, and Allium sativ...... hiện toàn bộ
Inhibition of cholesterol biosynthesis in HepG2 cells by artichoke extracts is reinforced by glucosidase pretreatment
Phytotherapy Research - Tập 16 Số 4 - Trang 368-372 - 2002
Rolf Gebhardt
AbstractHigh‐dose aqueous extracts from artichoke leaves were found to inhibit cholesterol biosynthesis from 14C‐acetate rather moderately in HepG2 cells in contrast to primary cultured rat hepatocytes in which the inhibition was stronger. Preincubation of the extracts with several glycohydrolases revealed that pretreatment with β‐glucosidase c...... hiện toàn bộ
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