New tricyclic prezizaane sesquiterpenoids from agarwood.

abstract：:Chemical and biocatalytic synthesis of seven previously undescribed marchantin A ester derivatives has been presented. Chemical synthesis afforded three peresterified bisbibenzyl products (TE1-TE3), while enzymatic method, using lipase, produced regioselective monoester derivatives (ME1-ME4). The antiproliferative act...

journal_title：Fitoterapia

authors： Novakovic M,Simić S,Koračak L,Zlatović M,Ilic-Tomic T,Asakawa Y,Nikodinovic-Runic J,Opsenica I

更新日期：2020-04-01 00:00:00

abstract：:The methanolic extract of the Zanthoxylum rhetsa Roxb. stem bark, given by oral route to mice at doses of 250 and 500 mg/kg, significantly reduced the abdominal contraction induced by acetic acid and the diarrhoeal episodes induced by castor oil in mice. ...

journal_title：Fitoterapia

authors： Rahman MT,Alimuzzaman M,Ahmad S,Chowdhury AA

更新日期：2002-07-01 00:00:00

abstract：:Five new 8-9' linked neolignans conchigeranals A-E (1-5), together with three known compounds galanganal (6), galanganols A (7) and B (8), were isolated from the whole plant of Alpinia conchigera. Their structures were established by spectroscopic analysis, including 2D-NMR spectroscopic techniques. Cytotoxicities of ...

journal_title：Fitoterapia

authors： Xu JJ,Zeng GZ,Yang SC,Shen Y,Tan NH

更新日期：2013-12-01 00:00:00

abstract：:Chiratone (1), a rare new chiratane type triterpenoid, together with five known triterpenoids were isolated from the rhizomes of Drynaria fortunei (Kunze) J. Sm. The structure was characterized as 20β-hydroxychiratan-22-one on the basis of extensive 1D and 2D NMR, and MS spectroscopic analyses, and was further confirm...

journal_title：Fitoterapia

authors： Liang YH,Wang W,Yu SW,Ye M,He XH,Gong NB,Lu Y,Khan IA,Guo DA

更新日期：2010-12-01 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：:Four new aristolochic acid derivatives aristchamic A (1), aristchamic B (2), aristochamic C (3a), aristchamic D (3b) and one new aristolactam aristolactam-CV (4), together with 10 known compounds (5-14), were isolated from the rhizomes of Aristolochia championii. Their structures were assigned by detailed analysis of ...

journal_title：Fitoterapia

authors： Wang X,Shi GR,Liu YF,Li L,Chen RY,Yu DQ

更新日期：2017-04-01 00:00:00

abstract：:Three new caged polyprenylated benzophenone derivatives named burlemarxiones D-F (1-3) were isolated from the hexane extract of Clusia burle-marxii trunks. Burlemarxione D (1) contains the tetracyclo[8.3.1.03,11.05,10]tetradecane core skeleton also observed for burlemarxione A, its probable immediate precursor. Howeve...

journal_title：Fitoterapia

authors： Ferraz CG,Ribeiro PR,Mendonça R,Silveira ER,Cruz FG

更新日期：2020-10-16 00:00:00

abstract：:Euphorbia aellenii Rech. f. (Euphorbiaceae) afforded a cytotoxic chloroform fraction from which two new esters of 6(17)-epoxylathyrol were identified (1 and 2). The structure of these compounds was elucidated by spectroscopic methods. ...

journal_title：Fitoterapia

authors： Ayatollahi AM,Ghanadian M,Afsharypuor S,Choudhary MI,Kobarfard F,Rahmati M

更新日期：2010-10-01 00:00:00

abstract：:Three undescribed polycyclic polyprenylated acylphloroglucinols (PPAPs) and three tocotrienols derivatives, named as paucinochymol A-F (1-3 and 10-12), together with six known PPAPs, were isolated from the fruits of Garcinia paucinervis. Their structures and absolute configurations were determined by extensive NMR ana...

journal_title：Fitoterapia

authors： Tan X,Zhong F,Teng H,Li Q,Li Y,Mei Z,Chen Y,Yang G

更新日期：2020-10-01 00:00:00

abstract：:Antibacterial screening of petroleum ether, chloroform, ethyl acetate, methanol and aqueous extracts of Eupatorium glandulosum leaves exhibited a broad spectrum of inhibitory activity against Gram (+) and Gram (-) pathogenic bacteria. ...

journal_title：Fitoterapia

authors： Sasikumar JM,Doss AP,Doss A

更新日期：2005-03-01 00:00:00

abstract：:A botanical natural product, AkseBio2, was evaluated for its larvicidal effect against Culex pipiens under laboratory conditions. The product exhibited strong larvicidal activity and caused >90% mortalities in both the young (first-second) and the older (third-fourth) larval stages of the species at 24 h at the doses ...

journal_title：Fitoterapia

authors： Cetin H,Erler F,Yanikoglu A

更新日期：2004-12-01 00:00:00

abstract：:A new guanidine alkaloid, millaurine A (1), was isolated from the methanol extract of the seeds of Millettia laurentii. The structure of the new compound was elucidated on the basis of spectral analysis. ...

journal_title：Fitoterapia

authors： Ngamga D,Fanso Free SN,Tane P,Fomum ZT

更新日期：2007-04-01 00:00:00

abstract：:Five new koumine-type alkaloids (1-5) along with six known ones were isolated from the roots of Gelsemium elegans. Their structures with absolute configurations were elucidated on the basis of NMR spectroscopy and electronic circular dichroism spectral analyses. The inhibitory effects of compounds 1-11 on the viabilit...

journal_title：Fitoterapia

authors： Zhang W,Zhang SY,Wang GY,Li NP,Chen MF,Gu JH,Zhang DM,Wang L,Ye WC

更新日期：2017-04-01 00:00:00

abstract：:Human carboxylesterase 1 (CES1), primarily expressed in the liver and adipocytes, is responsible for the hydrolysis of endogenous esters (such as cholesteryl esters and triacylglycerols) and the metabolism of xenobiotic esters (such as clopidogrel and oseltamivir), thus participates in physiological and pathological p...

journal_title：Fitoterapia

authors： Song PF,Zhu YD,Ma HY,Wang YN,Wang DD,Zou LW,Ge GB,Yang L

更新日期：2019-09-01 00:00:00

abstract：:Thirty-five crude extracts from 11 Panamanian plants, distributed in 10 genera and five families, were evaluated for their in vitro cytotoxicity. Four extracts exhibited an inhibition of cellular growth at IC(50) values lower than 25 microg/ml which was considered a significant activity. ...

journal_title：Fitoterapia

authors： Calderón AI,Terreaux C,Gupta MP,Hostettmann K

更新日期：2003-06-01 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：:Largely widespread in tropical countries, Ocimum gratissimum has been claimed for many uses in folk medicine. Recent research on its essential oils showed five chemotypes. An Indian chemotype, with a high level of ethyl cinnamate, presents, in vitro, an interesting spectrum of antifungal properties. ...

journal_title：Fitoterapia

authors： Dubey NK,Tiwari TN,Mandin D,Andriamboavonjy H,Chaumont JP

更新日期：2000-09-01 00:00:00

abstract：:Extracts of Hypericum, Passiflora and Valeriana are used for the treatment of mild depression and anxiety. We were interested whether a combination of Hypericum and Passiflora exerts comparable effects to Hypericum alone. We used two well-established models for investigating extracts for their anti-depressant activity...

journal_title：Fitoterapia

authors： Fiebich BL,Knörle R,Appel K,Kammler T,Weiss G

更新日期：2011-04-01 00:00:00

abstract：:The last few decades have seen an alarming rise in fungal infections, which currently represent a global health threat. Despite extensive research towards the development of new antifungal agents, only a limited number of antifungal drugs are available in the market. The routinely used polyene agents and many azole an...

journal_title：Fitoterapia

authors： Shreaz S,Wani WA,Behbehani JM,Raja V,Irshad M,Karched M,Ali I,Siddiqi WA,Hun LT

更新日期：2016-07-01 00:00:00

abstract：:Successive petroleum ether, dichloromethane and methanol extracts of Ajuga remota aerial parts were tested in vitro for their antifungal activity. The petroleum ether fraction was found to be the most effective against the tested pathogens. ...

journal_title：Fitoterapia

authors： Kariba RM

更新日期：2001-02-01 00:00:00

abstract：:The cardioprotective effect of Prunella vulgaris ethylacetate fraction (PVEF) and its constituent rosmarinic acid (RA) was evaluated on isolated rat cardiomyocytes subjected to doxorubicin-induced oxidative stress. The cytoprotectivities of PVEF and RA were concentration-dependent in the range of 0.005 to 0.05 mg/ml a...

journal_title：Fitoterapia

authors： Psotová J,Chlopcíková S,Miketová P,Simánek V

更新日期：2005-09-01 00:00:00

abstract：:The antimicrobial activity of ethanol, acetone and aqueous extracts of the aerial parts of Pseudognaphalium moritzianum was evaluated. Ethanol and acetone extracts showed activity against Staphlococcus aureus, Enterococcus faecalis and Pseudomonas aeruginosa. The aqueous extract was active against S. aureus and P. aer...

journal_title：Fitoterapia

authors： Rangel D,Garcia I,Velasco J,Buitrago D,Velazco E

更新日期：2002-12-01 00:00:00

abstract：:The effect of Cyclovirobuxine D, an active ingredient from Buxus microphylla, was investigated in the potential prevention of cardiac dysfunction in rats with congestive heart failure. Heart failure was induced by left coronary artery occlusion and verified using echocardiography. Cyclovirobuxine D was administered fo...

journal_title：Fitoterapia

authors： Yu B,Fang TH,Lü GH,Xu HQ,Lu JF

更新日期：2011-09-01 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 purpose of this study was to evaluate the tyrosinase inhibitory capacity of Populus nigra buds absolute (PBA) and compare it to kojic acid (KA), controversial reference tyrosinase inhibitor. Populus nigra buds were extracted with hexane and ethanol to obtain PBA. The inhibitory effect of this absolute was first te...

journal_title：Fitoterapia

authors： Maack A,Pegard A

更新日期：2016-06-01 00:00:00

abstract：:Cranberry procyanidins and quercetin derivatives are considered possible active compounds against urinary tract infections (UTIs). In this paper a small group (n=6) of healthy subjects consumed a product containing 360mg of cranberry extract (42.6% w/w of PAC-A and 14.6% w/w of PAC-B) and 200mg of quercetin. Urine sam...

journal_title：Fitoterapia

authors： Peron G,Sut S,Pellizzaro A,Brun P,Voinovich D,Castagliuolo I,Dall'Acqua S

更新日期：2017-10-01 00:00:00

abstract：:A weak estrogenicity of puerarin on reproductive organs was addressed in female rats. In short-term treatment, immature ovariectomized rats were injected with 0.7 mg/kg BW/day of puerarin, for 14 days. Puerarin did not increase uterus weights, endometrium and myometrium areas, and the percent of cornified cells (%Co),...

journal_title：Fitoterapia

authors： Malaivijitnond S,Tungmunnithum D,Gittarasanee S,Kawin K,Limjunyawong N

更新日期：2010-09-01 00:00:00

abstract：:Three new monoterpene glycosides named 4-O-methyl-paeoniflorin (1), isopaeoniflorin (2), and isobenzoylpaeoniflorin (3), together with two known monoterpene glycosides, paeoniflorin (4) and benzoylpaeoniflorin (5), were isolated from the roots of Paeonia lactiflora. Their structures were established on the basis of sp...

journal_title：Fitoterapia

authors： Braca A,Kiem PV,Yen PH,Nhiem NX,Quang TH,Cuong NX,Minh CV

更新日期：2008-02-01 00:00:00

abstract：:An ethnobotanical and ethnopharmacognostic survey has been carried out in one of the most isolated mountainous area in Europe: the village of Lepushe and its surrounding territory, in the Northern Albanian Alps. Approximately 70 botanical taxa and 160 preparations, mainly derived from plants, but also derived from ani...

journal_title：Fitoterapia

authors： Pieroni A,Dibra B,Grishaj G,Grishaj I,Gjon Maçai S

更新日期：2005-06-01 00:00:00

abstract：:Methanol extract of the stem bark of Hymenodictyon parvifolium was tested for its antifungal and antibacterial activity. The extract was found to have inhibitory effect against all the pathogens tested. ...

journal_title：Fitoterapia

authors： Kariba RM

更新日期：2002-10-01 00:00:00