New megastigmane sesquiterpene and indole alkaloid glucosides from the aerial parts of Bupleurum chinense DC.

abstract：:A series of 33 curcumin analogues was synthesized and tested on TRPA1, TRPM8, and TRPV1 channels. Twenty of them acted as good modulators of TRPA1 channels. None was able to significantly activate TRPM8 channels, while curcumin itself and six curcuminoids belonging to the 1,3-dicarbonyl and acyclic series behaved as '...

journal_title：Fitoterapia

authors： Nalli M,Ortar G,Schiano Moriello A,Di Marzo V,De Petrocellis L

更新日期：2017-10-01 00:00:00

abstract：:Two new alkaloids, named stenine A (1) and stenine B (2), along with the known compounds neostenine (3), stenine (4) and neotuberostemonine (5), were isolated from the roots of Stemona sessilifolia. Their structures were elucidated by 1D- and 2D-NMR spectra and X-ray single-crystal diffraction experiment. Anti-acetylc...

journal_title：Fitoterapia

authors： Lai DH,Yang ZD,Xue WW,Sheng J,Shi Y,Yao XJ

更新日期：2013-09-01 00:00:00

abstract：:The composition of the essential oil of Lindera neesiana Kurz fruit was examined by GC-MS, (1)H, (13)C and bidimensional NMR techniques (HMQC, HMBC, COSY, TOCSY). Forty compounds were identified, representing approximately 86% of the oil: Z-citral (15.08%), E-citral (11.89%), eucalyptol (8.75%), citronellal (6.72%), a...

journal_title：Fitoterapia

authors： Comai S,Dall'Acqua S,Grillo A,Castagliuolo I,Gurung K,Innocenti G

更新日期：2010-01-01 00:00:00

abstract：:Two new depsidones, schomburgdepsidones A and B (1 and 2), and one new xanthone, schomburgxanthone A (3), together with eight known compounds (4-11) were isolated from the roots of Garcinia schomburgkiana. Their chemical structures were established on the basis of spectroscopic analysis. The in vitro cytotoxicity of a...

journal_title：Fitoterapia

authors： Sukandar ER,Siripong P,Khumkratok S,Tip-Pyang S

更新日期：2016-06-01 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：:A new compound, 3beta,25-epoxy-3alpha-hydroxy-22beta-isobutanoyloxyolean-12-ene-28-oic acid (1), and two known triterpenoids lantanilic acid (2) and camaric acid (3) were isolated from the stem and leaves of Lantana cujabensis. Their structures were elucidated by spectroscopic methods. The ethanol extracts did not sho...

journal_title：Fitoterapia

authors： Okunade AL,Lewis WH

更新日期：2004-06-01 00:00:00

abstract：:Investigation of the bioactive secondary metabolites of the marine actinomycetes Rubrobacter radiotolerans led to the isolation and characterization of two naturally rare dimeric indole derivatives (1 and 2). The structures of these new compounds were elucidated by spectroscopic data interpretation, and the absolute c...

journal_title：Fitoterapia

authors： Li JL,Huang L,Liu J,Song Y,Gao J,Jung JH,Liu Y,Chen G

更新日期：2015-04-01 00:00:00

abstract：:The methanol extract of Leucas aspera flowers, its fractions, the alkaloidal residue and the expressed flower juice, tested for antimicrobial activity, showed good antibacterial activity for methanol extract and methanol fraction with maximum activity for the alkaloidal residue. ...

journal_title：Fitoterapia

authors： Mangathayaru K,Lakshmikant J,Shyam Sundar N,Swapna R,Grace XF,Vasantha J

更新日期：2005-12-01 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：:Two new guaiane-type sesquiterpenoids containing an interesting epoxy unit, daucuside (1) and daucusol (2) were isolated from the fruits of Daucus carota L. Their chemical structures were elucidated on the basis of MS, NMR spectroscopic analyses coupled with chemical degradation and they were also evaluated for the cy...

journal_title：Fitoterapia

authors： Fu HW,Zhang L,Yi T,Feng YL,Tian JK

更新日期：2010-07-01 00:00:00

abstract：:Four new lathyrane-type diterpenoids (1-4) and a novel macrocyclic diterpenoid (5) featuring a 5/7/7/4-fused ring system, together with seventeen known ones (6-22), were isolated from the seeds of Euphorbia lathyris. Their structures were elucidated by extensive spectroscopic analyses and single crystal X-ray crystall...

journal_title：Fitoterapia

authors： Zuo Q,Mu HY,Gong Q,Ding X,Wang W,Zhang HY,Zhao WM

更新日期：2021-01-26 00:00:00

abstract：:Five pyrrolizidine alkaloids have been isolated from Heliotropium subulatum and tested for their antimicrobial activity. ...

journal_title：Fitoterapia

authors： Singh B,Sahu PM,Singh S

更新日期：2002-04-01 00:00:00

abstract：:Phytochemical study on rhizomes of Cimicifuga dahurica resulted in the isolation of nine new neolignan and phenylpropanoid glycosides, cimicifugasides A-E (1, 2, 7-9), cimicifugamides B-D (3-5), shomaside G (6) along with four known compounds (10-13). Their structures were identified by extensive spectroscopic analyse...

journal_title：Fitoterapia

authors： Lu Q,Zhang WY,Pan DB,Shi DF,Pang QQ,Li HB,Yao XJ,Yao ZH,Yu Y,Yao XS

更新日期：2019-04-01 00:00:00

abstract：:CTPS-01, a water-soluble polysaccharide, was obtained from the root of Cudrania tricuspidata and estimated to have an average molecular weight of 5.9 x 10(3) and to be composed of glucose residues, solely. It contains an average repeating unit of decasaccharide, having a backbone consisting of 1,4-linked alpha-D-gluco...

journal_title：Fitoterapia

authors： Shi L,Fu YL,Chen KS

更新日期：2007-06-01 00:00:00

abstract：:The phytochemical profile, antioxidant activity and α-glucosidase inhibitory activity of Hypericum scruglii Bacchetta, Brullo et Salmeri and Hypericum hircinum L. were analyzed and compared to those of the best-known Hypericum perforatum L. Samples were prepared using three different extraction methods (maceration in ...

journal_title：Fitoterapia

authors： Mandrone M,Scognamiglio M,Fiorentino A,Sanna C,Cornioli L,Antognoni F,Bonvicini F,Poli F

更新日期：2017-07-01 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：: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：:Sauruchinenols A (1) and B (2), two novel monocyclic diterpenes with unique carbon skeleton, as well as two new structurally related diterpenes, sauruchinenols C (3) and D (4), were isolated from the aerial part of Saururus chinensis. Their structures were elucidated based on the analysis of spectroscopic data. A hypo...

journal_title：Fitoterapia

authors： Gao X,He J,Wu XD,Peng LY,Shao LD,Li Y,Cheng X,Zhao QS

更新日期：2017-01-01 00:00:00

abstract：:Five vibralactone derivatives containing γ, δ, ε-lactone cores, namely vibralactones X (1), Y (2), and Z1-Z3 (3-5), together with the known vibralactone, have been isolated from cultures of the basidiomycete Boreostereum vibrans. Compounds 3-5 possessed a novel bis-γ-lactone group which was found in vibralactone deriv...

journal_title：Fitoterapia

authors： Duan KT,Li ZH,Yu X,Yuan QX,Wang WX,Li J,Chen HP,Feng T,Liu JK

更新日期：2018-07-01 00:00:00

abstract：:Five new aromatic compounds, designed as lucidumins A-D (1-4) and lucidimine E (9), along with seven known aromatic compounds (5-8, 10-12) were isolated from Ganoderma lucidum. Their structures were determined by spectroscopic method. Bioactive evaluation showed that compounds 2-4 and 6-10 displayed remarkable neuropr...

journal_title：Fitoterapia

authors： Lu SY,Peng XR,Dong JR,Yan H,Kong QH,Shi QQ,Li DS,Zhou L,Li ZR,Qiu MH

更新日期：2019-04-01 00:00:00

abstract：:Dragon's blood is a rare and precious traditional medicine used by different cultures since ancient times. However, studies on enhancing the rapid accumulation of dragon's blood in Dracaena cambodiana and determining its formation mechanism are unavailable. In this study, the activities of two fungi, namely, BJDC01 an...

journal_title：Fitoterapia

authors： Cui JL,Wang CL,Guo SX,Xiao PG,Wang ML

更新日期：2013-06-01 00:00:00

abstract：:The antioxidant properties of six medical herbs used in the traditional Paraguayan medicine were studied using free radical-generating systems. The methanol extracts from Aristolochia giberti, Cecropia pachystachya, Eugenia uniflora, Piper fulvescens, Schinus weinmannifolia and Schinus terebinthifolia protected agains...

journal_title：Fitoterapia

authors： Velázquez E,Tournier HA,Mordujovich de Buschiazzo P,Saavedra G,Schinella GR

更新日期：2003-02-01 00:00:00

abstract：:Five new cytochalasans (1-5) were isolated from the rice fermentation of fungus Xylaria longipes, along with seven known compounds cytochalasin P (6), cytochalasin D (7), zygosporin D (8), 7-O-acetylcytochalasin D (9), cytochalasin C (10), 6,7-dihydro-7-oxo-cytochalasin C (11), and 6,7-dihydro-7-oxo-deacetylcytochalas...

journal_title：Fitoterapia

authors： Wang WX,Li ZH,He J,Feng T,Li J,Liu JK

更新日期：2019-09-01 00:00:00

abstract：:More attention was paid to the anti-tumor activity of Rhizoma Paridis (RP) recently, of which the wild resource was decreased significantly. This study was aimed to elucidate the chemical characteristics of Paris fargesii var. brevipetala (PFB) that may be administrated as alternate resource of legal RP. A HPLC-ELSD m...

journal_title：Fitoterapia

authors： Wen F,Yin H,Chen C,Liu X,Xue D,Chen T,He J,Zhang H

更新日期：2012-06-01 00:00:00

abstract：:Six previously undescribed compounds, named monaxanthones A and B, monaphenol A, monathioamide A, monaprenylindole A, and monavalerolactone A, were isolated from the culture of a marine-sourced bacterium Pseudomonas sp. ZZ820R in rice medium. Their structures were elucidated based on the HRESIMS data, NMR and MS-MS sp...

journal_title：Fitoterapia

authors： Yi W,Ge ZW,Wu B,Zhang Z

更新日期：2020-06-01 00:00:00

abstract：:The purpose of this investigation was to study the modulator and efflux pump inhibitor activity of coumarins isolated from Mesua ferrea against clinical strains as well as NorA-over expressed strain of Staphylococcus aureus 1199B. Seven coumarins were tested for modulator activity using ethidium bromide (EtBr) as a su...

journal_title：Fitoterapia

authors： Roy SK,Kumari N,Pahwa S,Agrahari UC,Bhutani KK,Jachak SM,Nandanwar H

更新日期：2013-10-01 00:00:00

abstract：:Six new monoterpenoid indole alkaloids, 19(E)-9-demethoxy-16-dehydroxylchitosenine-17-O- β-d-glucopyranoside (1), 19(E)-9,10-didemethoxy-16-dehydroxylchitosenine-17-O-β-d-gluco-pyranoside (2), 19(E)-9,10-didemethoxy-16-dehydroxyl-11-methoxychitosenine (3), 19(E)-9,10-didemethoxy-16-dehydroxyl-11-methoxychitosenine-17-...

journal_title：Fitoterapia

authors： Yang WX,Chen YF,Yang J,Huang T,Wu LL,Xiao N,Hao XJ,Zhang YH

更新日期：2018-01-01 00:00:00

abstract：:The aerial parts of the endemic Australian plant Eremophila debilis (Myoporaceae) contain 3% dry weight of the biologically active 5,6,7,3',4',5'-hexamethoxyflavone, which had its structured confirmed using X-ray crystal crystallography. The presence of significant levels of the polypharmacologically active 5,6,7,3',4...

journal_title：Fitoterapia

authors： Butler MS,Healy PC,Forster PI,Guymer GP,Quinn RJ

更新日期：2018-04-01 00:00:00

abstract：:A review is given of how the production by plants of compounds useful as medicines or raw materials for manufacture of medicines is influenced by ultraviolet radiation, particularly by UV-B radiation (280-315 nm wavelength). The compounds considered in this review are flavonoids and other phenolics, alkaloids (especia...

journal_title：Fitoterapia

authors： Zhang WJ,Björn LO

更新日期：2009-06-01 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