Miscellaneous lanostane triterpenoids with cytotoxicities from fruiting bodies of the basidiomycete Stereum sp.

abstract：:A chemical investigation of the 80% EtOH extract of the aerial plant of Alstonia rupestris afforded four new monoterpenoid indole alkaloids, 6,7-epoxy-8-oxo-vincadifformine (1), 11-acetyl-6,7-epoxy-8-oxo-vincadifformine (2), 11-hydroxy-14-chloro-15-hydroxy-vincadifformine (3), and perakine N1,N4-dioxide (4), together ...

journal_title：Fitoterapia

authors： Zhang L,Hua Z,Song Y,Feng C

更新日期：2014-09-01 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：: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：:Two prenylated isoflavanones (1) and (2) were isolated from the stem bark of Lespedeza bicolor along with the known compounds ethyl caffeate, caffeic acid, protocatechuic acid, betulinic acid, betulin, beta-sitosterol and from the stem heartwood daidzein and isoliquiritigenin. ...

journal_title：Fitoterapia

authors： Maximov OB,Kulesh NI,Stepanenko LS,Dmitrenok PS

更新日期：2004-01-01 00:00:00

abstract：:Bakuchicin is a furanocoumarin isolated from the seeds of Psoralea corylifolia, which is used in oriental medicine. However, limited information on the pharmacokinetics of bakuchicin is available and in addition, no determined method has been devised to quantify bakuchicin levels in the plasma. In the present study, w...

journal_title：Fitoterapia

authors： Jo JH,Kim JH,Lee HS,Jeong GS,Lee JM,Lee S

更新日期：2017-07-01 00:00:00

abstract：:Natural products chemistry is the discipline that lies at the heart of modern pharmacognosy. The field encompasses qualitative and quantitative analytical tools that range from spectroscopy and spectrometry to chromatography. Among other things, modern research on crude botanicals is engaged in the discovery of the ph...

journal_title：Fitoterapia

authors： Betz JM,Brown PN,Roman MC

更新日期：2011-01-01 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：:Five new megastigmane glycosides, urenalobasides A-E (1-5), together with 11 known ones (6-16) were isolated from Urena lobata. Their structures were determined by extensive spectroscopic and spectrometric data (1D and 2D NMR, IR, and HRESIMS) and calculated electronic circular dichroism method. Compounds 1 and 2 are ...

journal_title：Fitoterapia

authors： Su C,Qi B,Wang J,Ding N,Wu Y,Shi XP,Zhu ZX,Liu X,Wang XH,Zheng J,Tu PF,Shi SP

更新日期：2018-06-01 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：:Three new xanthones, cylindroxanthones A-C (1-3), were isolated from the stem bark of Garcinia cylindrocarpa. The structures were established on the basis of spectroscopic analysis. The molecular structure of 1 was unequivocally confirmed by single-crystal X-ray diffraction analysis. These three xanthones were evaluat...

journal_title：Fitoterapia

authors： Sukandar ER,Ersam T,Fatmawati S,Siripong P,Aree T,Tip-pyang S

更新日期：2016-01-01 00:00:00

abstract：:A new sesquiterpene coumarin with a novel sesquiterpene carbon framework, Sinkiangenorin D, and ten known sesquiterpene coumarins were isolated from the seeds of Ferula sinkiangensis. The structures of these compounds, including the relative stereochemistry, were elucidated on the basis of spectroscopic data. All of t...

journal_title：Fitoterapia

authors： Li G,Li X,Cao L,Zhang L,Shen L,Zhu J,Wang J,Si J

更新日期：2015-06-01 00:00:00

abstract：:This manuscript reports on the first CE-method suitable for analyzing twelve pharmacologically relevant compounds (flavonoids, caffeic acids and leontopodic acid) in the aerial parts of Leontopodium alpinum. By using a 60mM borax buffer containing 25mM SDS and 35% acetonitrile the analytes could be well resolved in 25...

journal_title：Fitoterapia

authors： Ganzera M,Greifeneder V,Schwaiger S,Stuppner H

更新日期：2012-12-01 00:00:00

abstract：:Two new dimeric diarylheptanoids, named Alpinin C (1) and D (2), a new natural product of diarylheptanoid (3) along with three known diarylheptanoids (4-6) were isolated from the rhizomes of Alpinia officinarum Hance. Their structures were elucidated based on extensive spectroscopic analyses (1D and 2D NMR, HRTOFMS, I...

journal_title：Fitoterapia

authors： Liu D,Liu YW,Guan FQ,Liang JY

更新日期：2014-07-01 00:00:00

abstract：:Thirty four terpenoids, including two new cadinane-type sesquiterpenoids containing conjugated aromatic-ketone moieties, curcujinone A (1) and curcujinone B (2), were isolated from 95% ethanol extract of the root tubers of Curcuma wenyujin. Their structures were determined by spectroscopic methods, especially 2D NMR a...

journal_title：Fitoterapia

authors： Zhou CX,Zhang LS,Chen FF,Wu HS,Mo JX,Gan LS

更新日期：2017-09-01 00:00:00

abstract：:Salvianolic acid B (Sal B) is the most abundant phenolic compound in Salvia miltiorrhiza, which has been widely used for the treatment of cardiovascular diseases in Oriental medicine. To elucidate structure of the converted compounds of Sal B by decoction in aqueous solution, Sal B (200 mg) was decocted in an aqueous ...

journal_title：Fitoterapia

authors： Lee HJ,Cho JY,Moon JH

更新日期：2012-10-01 00:00:00

abstract：:The methanol extract of the bark of Litsea glutinosa showed antibacterial activity, comparable to chloramphenicol, against all 16 tested microorganisms. ...

journal_title：Fitoterapia

authors： Mandal SC,Kumar CK,Majumder A,Majumder R,Maity BC

更新日期：2000-08-01 00:00:00

abstract：:The Goodeniaceae family contributes some of the more spectacular wildflowers found on the Australian continent. The bright and vibrant colours that characterise members of the family has attracted much horticultural interest. A number of species have traditionally been used for medicinal purposes by indigenous communi...

journal_title：Fitoterapia

authors： Ghisalberti EL

更新日期：2004-07-01 00:00:00

abstract：:Activity-guided fractionation of the methanol extract of Vitis vinifera bark led to the isolation of epsilon-viniferin, ampelopcin A, vitisin A and vitisin B. Vitisin A and vitisin B showed a remarkable inhibitory activity against 3-hydroxy-3-methylglutaryl-Coenzyme A (HMG-CoA) reductase with IC50 value of 42.1 microM...

journal_title：Fitoterapia

authors： Koo M,Kim SH,Lee N,Yoo MY,Ryu SY,Kwon DY,Kim YS

更新日期：2008-04-01 00:00:00

abstract：:Four new C18-diterpenoid alkaloids, weisaconitines A-D (1-4), were isolated from Aconitum weixiense. Based on extensive UV, IR, MS, 1D and 2D NMR analyses, their structures were elucidated as 8-O-ethyldolaconine (1), 4-demethylgenicunine B (2), 14-oxoaconosine (3), and 8-O-ethylaconosine (4). The analgesic activity of...

journal_title：Fitoterapia

authors： Zhao DK,Ai HL,Zi SH,Zhang LM,Yang SC,Guo HC,Shen Y,Chen YP,Chen JJ

更新日期：2013-12-01 00:00:00

abstract：:The phytochemical studies on the aerial parts of Digitalis davisiana Heywood led to the isolation of three undescribed phenylethanoid glycosides named as digidavisoside A (5), digidavisoside B (7), and davisoside (8), along with 9 known compounds, ferruginoside B (1), isolugrandoside (2), lugrandoside (3), maxoside (4...

journal_title：Fitoterapia

authors： Kutluay VM,Ishiuchi K,Makino T,Saracoglu I

更新日期：2019-06-01 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：:Four new naphthylisoquinoline alkaloids, the 5,8'-coupled ancistroyafungines A-C (1-3) and the 5,1'-linked ancistroyafungine D (4), have been isolated from the stem bark of an as yet unidentified Ancistrocladus (Ancistrocladaceae) liana recently discovered near the village Yafunga, in the North-Central region of the D...

journal_title：Fitoterapia

authors： Kavatsurwa SM,Lombe BK,Feineis D,Dibwe DF,Maharaj V,Awale S,Bringmann G

更新日期：2018-10-01 00:00:00

abstract：:The effects of the aqueous extract of the leaf of Euphrasia officinale on blood glucose levels in normal and alloxan-diabetic rats were investigated. The treatment of alloxan-induced diabetic rats brought down the raised glucose levels, while the extract was devoid of hypoglycemic effect in normal rats. ...

journal_title：Fitoterapia

authors： Porchezhian E,Ansari SH,Shreedharan NK

更新日期：2000-09-01 00:00:00

abstract：:The species from Alangium have been used as folk medicine to treat rheumatism, skin diseases, diabetes by the people of Southeast Asia. Previous phytochemical studies have shown this genus are rich sources of alkaloids, glycosides, and terpenoids, which have attracted considerable attention of many researchers due to ...

journal_title：Fitoterapia

authors： Hu XY,Wei X,Zhou YQ,Liu XW,Li JX,Zhang W,Wang CB,Zhang LY,Zhou Y

更新日期：2020-11-01 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：:Acteoside, which belongs to the family of phenylethanoid glycosides (PhGs), has extensive biological activities, including strong antioxidant, anti-inflammatory, hepatoprotect, and cell apoptosis regulation. Like other PhGs compounds, the fate of acteoside in the gut for both parent polyphenols and their degradation p...

journal_title：Fitoterapia

authors： Su D,Li W,Xu Q,Liu Y,Song Y,Feng Y

更新日期：2016-07-01 00:00:00

abstract：:A total of 58 fungal isolates, belonging to 24 genera, were obtained from the leaves, stems and roots of Ginkgo biloba L.. Among them, one endophytic fungal strain, Penicillium cataractum SYPF 7131, displayed the strongest antibacterial activity. Four new compounds (1-4) were isolated from the strain fermentation brot...

journal_title：Fitoterapia

authors： Wu YY,Zhang TY,Zhang MY,Cheng J,Zhang YX

更新日期：2018-07-01 00:00:00

abstract：:This review reports the last decade acquisitions on grapefruit. New coumarins and limonoids were isolated and characterised. The bioavailability of many drugs was tested with grapefruit juice (GJ) coadministration; the inhibition on cytochrome P450 seems due to a synergic action between flavonoids and coumarins. Antim...

journal_title：Fitoterapia

authors： Tirillini B

更新日期：2000-08-01 00:00:00

abstract：:The use of herbal drugs for the prevention and treatment of various health ailments has been in practice from time immemorial. Generally it is believed that the risk associated with herbal drugs is very less, but reports on serious reactions are indicating to the need for development of effective marker systems for is...

journal_title：Fitoterapia

authors： Sahoo N,Manchikanti P,Dey S

更新日期：2010-09-01 00:00:00

abstract：:Curcuminoids possess powerful antioxidant activity as demonstrated in many chemical in vitro tests and in several in vivo trials. Nevertheless, the mechanism of this activity is not completely elucidated and studies on the in vivo antioxidant effects are still needed. Metabolomics may be used as an attractive approach...

journal_title：Fitoterapia

authors： Dall'Acqua S,Stocchero M,Boschiero I,Schiavon M,Golob S,Uddin J,Voinovich D,Mammi S,Schievano E

更新日期：2016-03-01 00:00:00