New hydroquinone diglycoside acyl esters and sesquiterpene and apocarotenoid from Ecdysanthera rosea.

abstract：:Total sennosides concentration is a very important factor when rhubarb and senna will be used as crude drugs. However, one-step analytical technique for total sennosides has not been reported except HPLC. An enzyme-linked immunosorbent assay (ELISA) for total sennosides concentration by using the combination of anti-s...

journal_title：Fitoterapia

authors： Morinaga O,Uto T,Sakamoto S,Tanaka H,Shoyama Y

更新日期：2009-01-01 00:00:00

abstract：:The present study investigated the effects of isopulegol, a monoterpene alcohol, in PTZ-induced convulsions and verified possible involved mechanisms. Saline, isopulegol or diazepam were intraperitonealy injected 30 min before PTZ. The latency for development of convulsions and mortality, as well as the mortality prot...

journal_title：Fitoterapia

authors： Silva MI,Silva MA,de Aquino Neto MR,Moura BA,de Sousa HL,de Lavor EP,de Vasconcelos PF,Macêdo DS,de Sousa DP,Vasconcelos SM,de Sousa FC

更新日期：2009-12-01 00:00:00

abstract：:The crude methanolic extracts of the leaves, stem bark, stem heart wood, root bark and root heart wood of Euroschinus papuanus and the fractions obtained on partitioning with petrol, dichloromethane (D), ethyl acetate (E) and butanol (B), exhibited a broad spectrum antibacterial activity. Fractionation drastically enh...

journal_title：Fitoterapia

authors： Khan MR,Omoloso AD,Kihara M

更新日期：2004-06-01 00:00:00

abstract：:Australian native plants have a long history of therapeutic use in indigenous cultures, however, they have been poorly studied scientifically. We analysed the effects of 14 plant derived compounds from the species Pilidiostigma glabrum, Myoporum montanum, Geijera parviflora, and Rhodomyrtus psidioides for their potent...

journal_title：Fitoterapia

authors： Adams DH,Shou Q,Wohlmuth H,Cowin AJ

更新日期：2016-03-01 00:00:00

abstract：:A stimulatory effect of apigenin-6-C-β-fucopyranoside (1) on glucose uptake was observed when rat soleus muscle was incubated with 1, 10 and 100 μM of this flavonoid glycoside. The presence of specific insulin signaling inhibitors, such as wortmannin, an inhibitor of phosphoinositide 3-kinase (PI3K), RO318220, an inhi...

journal_title：Fitoterapia

authors： Cazarolli LH,Kappel VD,Pereira DF,Moresco HH,Brighente IM,Pizzolatti MG,Silva FR

更新日期：2012-10-01 00:00:00

abstract：:The purpose of this study is to elucidate the bioactive components responsible for the the α-glucosidase inhibitory activity detected in the EtOAc extract of the mushroom Hydnellum concrescens. Two new p-terphenyl derivatives, concrescenins A (1) and B (2), in along with six known compounds thelephantins L (3), I (4),...

journal_title：Fitoterapia

authors： Wang SM,Han JJ,Ma K,Jin T,Bao L,Pei YF,Liu HW

更新日期：2014-10-01 00:00:00

abstract：:Isonuatigenin-3-O-beta-solatriose (1) was isolated from the roots of Solanum sisymbriifolium. Its structure was determined by spectroscopic methods. ...

journal_title：Fitoterapia

authors： Ferro EA,Alvarenga NL,Ibarrola DA,Hellión-Ibarrola MC,Ravelo AG

更新日期：2005-09-01 00:00:00

abstract：:A liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed to identify and quantify the camptothecin quaternary derivative CPT8 for application in pharmacokinetics and tissue distribution studies. Rat plasma and tissue samples were extracted with methanol by using camptothecin as the internal sta...

journal_title：Fitoterapia

authors： Li Q,Zhu Q,Zhang X,Hua C,Deng X,Zhao T,Sun B

更新日期：2013-10-01 00:00:00

abstract：:The antioxidant activity of Citrus paradisi (grapefruit) seeds glyceric extract dissolved in ethanol and in aqueous media was evaluated using three different methods: evaluation by DPPH assay, by 5-lipoxygenase assay and by luminol/xanthine/xanthine oxidase chemiluminescence assay. The total phenolic content was deter...

journal_title：Fitoterapia

authors： Giamperi L,Fraternale D,Bucchini A,Ricci D

更新日期：2004-03-01 00:00:00

abstract：:The genus Cyclopia (Fabaceae family) includes a number of shrubs endemic to Cape Fynbos region of South Africa. The most common of these plants is Cyclopia intermedia E. Mey., used together with other Cyclopia species (mainly C. subternata and C. sessiliflora) to manufacture the honeybush herbal tea which has been pro...

journal_title：Fitoterapia

authors： Kokotkiewicz A,Luczkiewicz M

更新日期：2009-01-01 00:00:00

abstract：:Seven oleanane-type triterpenoid saponins, tunicosaponins B-D (1-3), F-I (4-7), along with eight known triterpenoid saponins (8-15), were isolated from the roots of Psammosilene tunicoides. The structures of compounds 1-7 were determined by comprehensive spectroscopic analysis, including 1D and 2D NMR techniques, mass...

journal_title：Fitoterapia

authors： Wen B,Tian JM,Huang ZR,Xiao SJ,Yuan WL,Wang JX,Li HL,Xu XK,Shen YH

更新日期：2020-07-01 00:00:00

abstract：:Four new cycloartane triterpenoids, 1α,3β-dihydroxy-16-keto-24(31)-en-cycloartane (1), 31-methoxyl-passifloic acid (2), cyclopassifloside XIV (3), and cyclopassifloside XV (4), together with six known compounds (5-10) were isolated from Passiflora edulis Sims. Their structures were elucidated on the basis of extensive...

journal_title：Fitoterapia

authors： Xu FQ,Wang N,Fan WW,Zi CT,Zhao HS,Hu JM,Zhou J

更新日期：2016-12-01 00:00:00

abstract：:Phytochemical investigation on the stem bark of Toona sinensis was carried out by various chromatographic techniques resulting in the isolation and elucidation of two novel tirucallane triterpenoids, named (20S)-3-oxo-tirucalla-25-nor-7-en-24-oic acid (1) and (20S)-5α,8α-epidioxy-3-oxo-24-nor-6.9(11)-dien-23-oic acid ...

journal_title：Fitoterapia

authors： Tang J,Xu J,Zhang J,Liu WY,Xie N,Chen L,Feng F,Qu W

更新日期：2016-07-01 00:00:00

abstract：:Alkaloids comprise one of the largest groups of plant secondary metabolites including vinca alkaloids. The ability of six alkaloids from Veratrum lobelianum, one from Veratrum nigrum and three from Peganum nigellastrum to modify transport activity of MDR1 was studied. Flow-cytometry in a multidrug-resistant human MDR1...

journal_title：Fitoterapia

authors： Ivanova A,Serly J,Christov V,Stamboliyska B,Molnar J

更新日期：2011-06-01 00:00:00

abstract：:One alkyl glycoside, saussurostelloside A (1), two phenolic glycosides, saussurostellosides B1 (2) and B2 (3), and 27 known compounds, including eleven flavonoids, seven phenolics, six lignans, one neolignan, one phenethyl glucoside and one fatty acid, were isolated from an ethanol extract of Saussurea stella (Asterac...

journal_title：Fitoterapia

authors： Wang TM,Wang RF,Chen HB,Shang MY,Cai SQ

更新日期：2013-07-01 00:00:00

abstract：:Eighteen alkaloids were detected in the bark, leaves, wood and roots of Peumus boldus, including traces of secoboldine, N-methylsecoboldine (boldine methine), glaucine and norreticuline, not reported previously as constituents of this species. Using appropriate standards, we quantified thirteen of them by UHPLC-MS/MS....

journal_title：Fitoterapia

authors： Fuentes-Barros G,Castro-Saavedra S,Liberona L,Acevedo-Fuentes W,Tirapegui C,Mattar C,Cassels BK

更新日期：2018-06-01 00:00:00

abstract：:The ethanolic extracts of Lawsonia inermis leaves, Holarrhena antidysenterica bark, Swertia chirata whole plant and Mangifera indica bark were tested (in-vitro) for alpha-glucosidase inhibitory activity. M. indica extract was found to be the most potent, with an IC(50) value of 314 microg/ml. ...

journal_title：Fitoterapia

authors： Prashanth D,Amit A,Samiulla DS,Asha MK,Padmaja R

更新日期：2001-08-01 00:00:00

abstract：:Combinations of thyme, cowslip and liquorice roots are often used in the treatment of upper respiratory tract infections. Therefore the volatile fraction of herbal teas prepared from thyme (Thymus vulgaris) and the effect of combining with cowslip (Primula veris/P. elatior) and liquorice roots (Glycyrrhiza glabra) on ...

journal_title：Fitoterapia

authors： Tschiggerl C,Bucar F

更新日期：2011-09-01 00:00:00

abstract：:Oil production from the seeds of Camellia oleifera Abel. causes a great waste of shells which contain a lot of bioactive components. The aim of this research was to isolate flavonoid from the shells of C. oleifera Abel. and evaluate its uses. The shells were extracted by 70% methanol, hydrolyzed by 2M hydrochloric aci...

journal_title：Fitoterapia

authors： Ye Y,Guo Y,Luo YT,Wang YF

更新日期：2012-12-01 00:00:00

abstract：:Oplopanax horridus or devil's club is a herbal medicine distributed in North America. The constituents and pharmacological activities of O. horridus (OPH) are largely unknown. In this study, we assayed OPH stem and berry extracts using high performance liquid chromatography (HPLC). The anticancer potentials of extract...

journal_title：Fitoterapia

authors： Wang CZ,Aung HH,Mehendale SR,Shoyama Y,Yuan CS

更新日期：2010-03-01 00:00:00

abstract：:The present study investigates the effect of in vivo administration of alcoholic extract of Tinospora cordifolia whole plant (ALTC) on the proliferation and myeloid differentiation of bone marrow hematopoietic precursor cells in mice bearing a transplantable T cell lymphoma of spontaneous origin designated as Dalton's...

journal_title：Fitoterapia

authors： Singh SM,Singh N,Shrivastava P

更新日期：2006-01-01 00:00:00

abstract：:Hepatitis C virus (HCV) infection is highly prevalent among global populations, with an estimated number of infected patients being 170 million. Approximately 70-80% of patients acutely infected with HCV will progress to chronic liver disease, such as liver cirrhosis and hepatocellular carcinoma, which is a substantia...

journal_title：Fitoterapia

authors： Wahyuni TS,Widyawaruyanti A,Lusida MI,Fuad A,Soetjipto,Fuchino H,Kawahara N,Hayashi Y,Aoki C,Hotta H

更新日期：2014-12-01 00:00:00

abstract：:Linarin (acacetin-7-O-beta-d-rutinoside) from the flower extract of Mentha arvensis showed selective dose dependent inhibitory effect on acetylcholinesterase. ...

journal_title：Fitoterapia

authors： Oinonen PP,Jokela JK,Hatakka AI,Vuorela PM

更新日期：2006-09-01 00:00:00

abstract：:Eight new dihydrobenzofuran neolignans, pinnatifidanin C I-VIII (1-8), together with two known analogs (9-10) were isolated from the seeds of Crataegus pinnatifida. Their structures were elucidated by spectroscopic analyses, especially 1D, 2D NMR and CD spectra. The cytotoxic activities of all isolates against human c...

journal_title：Fitoterapia

authors： Huang XX,Zhou CC,Li LZ,Peng Y,Lou LL,Liu S,Li DM,Ikejima T,Song SJ

更新日期：2013-12-01 00:00:00

abstract：:The isolation of 14 known triterpenoids and phytosterols from the trunk bark of Maquira coriacea, and complete spectral data of a cardenolide, k-strophanthin-beta (1), are reported. ...

journal_title：Fitoterapia

authors： Mitaine-Offer AC,Sauvain M,Petermann C,Zèches-Hanrot M

更新日期：2001-11-01 00:00:00

abstract：:Extracts of the leaves of Securinega leucopyrus exhibited a broad spectrum of antimicrobial activity. ...

journal_title：Fitoterapia

authors： Bakshu LM,Jeevan Ram A,Venkata Raju R

更新日期：2001-12-01 00:00:00

abstract：:The antioxidant activity of Agrimonia eupatoria (Agrimony) and Agrimonia procera (Fragrant agrimony) extracts was assessed by measuring in DPPH radical scavenging and ABTS(+) radical decolourisation reaction systems. Radical scavenging capacity of agrimony extracts varied in a wide range (9.1-97.5% in DPPH reaction an...

journal_title：Fitoterapia

authors： Venskutonis PR,Skemaite M,Ragazinskiene O

更新日期：2007-02-01 00:00:00

abstract：:The aim of the present research was to establish a comprehensive strategy to identify the metabolites of isoimperatorin after biotransformation with rat liver microsomes in vitro, and further describe metabolic kinetic characteristics of isoimperatorin and its main metabolites. Utilizing liquid chromatography with tim...

journal_title：Fitoterapia

authors： Chen TL,Zhang YB,Xu W,Kang TG,Yang XW

更新日期：2014-03-01 00:00:00

abstract：:Influenza poses a particular risk of severe outcomes in the elderly, the very young and those with underlying diseases. Tea polyphenols are the natural phenolic compounds in teas, and principally consist of catechins, proanthocyanidins, flavonols, and theaflavins, which antiviral activities have been reported recently...

journal_title：Fitoterapia

authors： Yang ZF,Bai LP,Huang WB,Li XZ,Zhao SS,Zhong NS,Jiang ZH

更新日期：2014-03-01 00:00:00

abstract：:Two pairs of enantiomers of flavonoid oligomers (1a and 1b, 2a and 2b) along with one known chalcone (3) were isolated from the rhizomes of Alpinia platychilus. Their structures were elucidated on the basis of spectroscopic data (MS and 1D/2D NMR). The absolute configurations of the flavonoid oligomers were establishe...

journal_title：Fitoterapia

authors： Shen CP,Luo JG,Yang MH,Kong LY

更新日期：2015-10-01 00:00:00