Antibacterial activity of Litsea glutinosa bark.

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：: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：:Although the nature-identical chemical compounds are cheaper, they not always repeat biological activity of plant origin natural chemical compounds, often react allergies and resistance of microorganisms. The aim of this study was to investigate effects of Juniperus communis origin α-pinene with different enantiomeric...

journal_title：Fitoterapia

authors： Ložienė K,Švedienė J,Paškevičius A,Raudonienė V,Sytar O,Kosyan A

更新日期：2018-06-01 00:00:00

abstract：:The furanocoumarin imperatorin has been reported to have hypotensive effect, and we have investigated its activity on myocardial hypertrophy. Imperatorin displayed similar chromatographic retention peak to verapamil in the model of cardiac muscle/cell membrane chromatography, and could reduce in a concentration-depend...

journal_title：Fitoterapia

authors： Zhang Y,Cao Y,Zhan Y,Duan H,He L

更新日期：2010-12-01 00:00:00

abstract：:The flavonoid baicalein has been demonstrated to be an activator of the transcription factor Nrf2 in mammalian cell lines. We show that it further modulates the Nrf2 homolog SKN-1 in Caenorhabditis elegans and by this pathway mediates beneficial effects in the nematode: baicalein enhances the resistance of C. elegans ...

journal_title：Fitoterapia

authors： Havermann S,Humpf HU,Wätjen W

更新日期：2016-09-01 00:00:00

abstract：:Three new phloroglucinols, baeckenones D-F (1-3), were obtained from the leaves of Indonesian Baeckea frutescens, along with the known unusual endoperoxide, phloroglucinol (4). The structures of the isolated compounds were elucidated by 1D and 2D NMR and HREIMS spectra. Furthermore, the stereochemistry of baeckenone D...

journal_title：Fitoterapia

authors： Nisa K,Ito T,Kodama T,Tanaka M,Okamoto Y,Asakawa Y,Imagawa H,Morita H

更新日期：2016-03-01 00:00:00

abstract：:The purpose of this study was to determine the photoprotective properties of the methanolic extract of Buddleja scordioides, as well as verbascoside and linarin which were isolated from this extract, and linarin acetate prepared in the laboratory. The photoprotective effect of substances against UV-B induced cellular ...

journal_title：Fitoterapia

authors： Avila Acevedo JG,Castañeda CM,Benitez FJ,Durán DA,Barroso VR,Martínez CG,Muñoz LJ,Martínez CA,Romo de Vivar A

更新日期：2005-06-01 00:00:00

abstract：:7-O-methylvariecolortide A (1), variecolortide B (2), and variecolortide C (3), the rare variecolortides existing in racemic manner, were isolated from an endolichenic fungal strain Eurotium sp. (No. 17-11-8-1). With the chiral HPLC technology, (-)-(S)-7-O-methylvariecolortide A (1a), (+)-(R)-7-O-methylvariecolortide ...

journal_title：Fitoterapia

authors： Chen GD,Bao YR,Huang YF,Hu D,Li XX,Guo LD,Li J,Yao XS,Gao H

更新日期：2014-01-01 00:00:00

abstract：:Various parts of Derris elliptica, Derris indica and Derris trifoliata on fractionation with a number of solvents (petrol, dichloromethane, ethyl acetate, butanol and methanol) gave fractions which demonstrated a varied level of broad spectrum antibacterial activity. Good activity was exhibited by the methanol fractio...

journal_title：Fitoterapia

authors： Khan MR,Omoloso AD,Barewai Y

更新日期：2006-06-01 00:00:00

abstract：:One new phenanthrene, aphyllone A (1) and four new bibenzyl derivatives, aphyllone B (2) and aphyllals C-D (3-5), together with nine known compounds (6-14), were isolated from the stems of Dendrobium aphyllum (Roxb.) C. E. Fischer. The structures of these new compounds were elucidated by means of extensive spectroscop...

journal_title：Fitoterapia

authors： Yang D,Liu LY,Cheng ZQ,Xu FQ,Fan WW,Zi CT,Dong FW,Zhou J,Ding ZT,Hu JM

更新日期：2015-01-01 00:00:00

abstract：:European Hawthorn species (Crataegus spp.) are traditionally used for their demonstrated cardioprotective benefits. Most products are based on the compendial leaf and flower drug (LFD), which is standardised on the total flavonoid content (TF). In order to reduce variability associated with the wild plant origin and t...

journal_title：Fitoterapia

authors： Peschel W,Bohr C,Plescher A

更新日期：2008-01-01 00:00:00

abstract：:Rapid micropropagation of Nepeta rtanjensis, N. sibirica and N. nervosa was performed. Qualitative and quantitative nepetalactone content in methanol extracts of in vitro grown plants was analysed by reverse-phase HPLC coupled with UV and MS detection. Only trans,cis-nepetalactone was detected in shoots of N. rtanjens...

journal_title：Fitoterapia

authors： Nestorović J,Misić D,Siler B,Soković M,Glamoclija J,Cirić A,Maksimović V,Grubisić D

更新日期：2010-09-01 00:00:00

abstract：:Biomass and secondary metabolite accumulation were assayed on a wide range of auxins, cytokinins and their combinations using Ecballium elaterium callus tissue. The best combination was that consisting of alpha-naphthalene acetic acid (NAA) and benzylamino purine (BAP) (1 mg/l of medium, each). NAA and BAP were set up...

journal_title：Fitoterapia

authors： Attard EG,Scicluna-Spiteri A

更新日期：2001-01-01 00:00:00

abstract：:The effect of asiaticoside isolated from Hydrocotyle sibthorpioides (AHS) on the promotion of cognition in senescence-accelerated mice (SAMP) was evaluated. Six-month old male SAMP8 mice were orally administered 20, 40 or 80 mg/kg AHS daily for three months. SAMR1 mice were used as a "normal aging" control. The result...

journal_title：Fitoterapia

authors： Lin X,Huang R,Zhang S,Wei L,Zhuo L,Wu X,Tang A,Huang Q

更新日期：2013-06-01 00:00:00

abstract：:Three new cycloartane triterpenoids (1-3) and two known compounds (4, 5) were isolated from the whole plant of Beesia calthaefolia. Their structures were elucidated by 1D and 2D NMR, HRESIMS and optical rotation spectral data. All isolates were investigated for their inhibitory effects on the classical pathway of the ...

journal_title：Fitoterapia

authors： Mu LH,Li HJ,Guo DH,Zhao JY,Liu P

更新日期：2014-01-01 00:00:00

abstract：:Four new dihydrophenanthrenofuran, bleochranols A-D (1-4), along with 21 known compounds including phenanthrenes (5-14) and bibenzyls (15-25) were isolated and elucidated from the rhizomes of Bletilla ochracea. Combination of 1D/2D NMR techniques and the Electronic Circular Dichroism (ECD) spectroscopy based on the em...

journal_title：Fitoterapia

authors： Li JY,Kuang MT,Yang L,Kong QH,Hou B,Liu ZH,Chi XQ,Yuan MY,Hu JM,Zhou J

更新日期：2018-06-01 00:00:00

abstract：:In our previous study, RAPD (Random Amplified Polymorphic DNA) analysis revealed species-specific markers for three medicinal Echinacea species (Asteraceae): E. angustifolia DC., E. pallida (Nutt.) Nutt. and E. purpurea (L.) Moench. In the present work, we have converted a RAPD marker (750 bp) for E. purpurea into a S...

journal_title：Fitoterapia

authors： Adinolfi B,Chicca A,Martinotti E,Breschi MC,Nieri P

更新日期：2007-01-01 00:00:00

abstract：:Aqueous extract of Pteris multifida showed scavenging activities on DPPH, hydroxyl radicals and reducing power. ...

journal_title：Fitoterapia

authors： Wang TC,Ti MC,Lo SC,Yang CC

更新日期：2007-04-01 00:00:00

abstract：:Two new bisbibenzyls, heudelotol A (1) and B (2), along with the known bibenzyls, (E)-combretastatin A-1 (3) and combretastatin B-1 (4) have been isolated from the ethyl acetate extract of the roots of Dichapetalum heudelotii. Structure elucidation of all four isolated compounds was achieved using UV, IR, 1D and 2D NM...

journal_title：Fitoterapia

authors： Osei-Safo D,Dziwornu GA,Salgado A,Sunassee SN,Chama MA

更新日期：2017-10-01 00:00:00

abstract：:Two new 7,6'-coupled naphthylisoquinolines, namely ancistrotectorines A (1) and B (2), two new 5,3'-coupled naphthylisoquinolines, namely ancistrotectorines C (3) and D (4), and one new 7,8-coupled naphthylisoquinoline, namely ancistrotectorine E (5), together with 9 known naphthylisoquinoline alkaloids, hamatine (6),...

journal_title：Fitoterapia

authors： Jiang C,Li ZL,Gong P,Kang SL,Liu MS,Pei YH,Jing YK,Hua HM

更新日期：2013-12-01 00:00:00

abstract：:The crude methanolic extracts of Hygrophila scricta and Peperomia pellucida were fractionated into petrol, dichloromethane, ethyl acetate and butanol. All the crude extracts and the fractions exhibited a very good level of broad spectrum antibacterial activity. The fractions were more active than the crude extracts. T...

journal_title：Fitoterapia

authors： Khan MR,Omoloso AD

更新日期：2002-06-01 00:00:00

abstract：:Phytochemical study on rhizomes of Beesia calthifolia resulted in the isolation of five new (1-5) and three known (6-8) cycloartane triterpenoids possessing a hemiketal or ketal group at C-24 from the EtOAc fraction of 95% ethanol extract. Their structures were determined by spectroscopic and chemical methods, especia...

journal_title：Fitoterapia

authors： Zheng DJ,Zhou J,Liu Q,Yao W,Zhang MZ,Shao BH,Mo JX,Zhou CX,Gan LS

更新日期：2015-06-01 00:00:00

abstract：:Infusions of Picrolemma sprucei roots, stems and leaves are used in traditional medicine throughout the Amazon region from the Guianas to Brazil and Peru in the treatment of gastritis, intestinal helminths and malaria. As there are no studies describing its mode of action in providing a gastroprotective effect, we det...

journal_title：Fitoterapia

authors： Vieira SM,Silva RL,Lemos HP,Amorim RC,Silva EC,Reinach PS,Cunha FQ,Pohlit AM,Cunha TM

更新日期：2014-06-01 00:00:00

abstract：:Different lines of experimental evidence indicate that treatment with extracts from and derivatives of Phaseolus vulgaris reduces intake of food, including highly palatable foods and beverages, in rats. The present study was designed to extend to mice these lines of evidence. To this end, CD1 mice were treated acutely...

journal_title：Fitoterapia

authors： Loi B,Fantini N,Colombo G,Gessa GL,Riva A,Bombardelli E,Morazzoni P,Carai MA

更新日期：2013-03-01 00:00:00

abstract：:Rats treated with 100 mg /kg/day of the Catharanthus roseus ethanol extract had high rate of wound contraction significantly decreased epithelization period, significant increase in dry weight and hydroxyproline content of the granulation tissue when compared with the controls. Wound contraction together with increase...

journal_title：Fitoterapia

authors： Nayak BS,Anderson M,Pinto Pereira LM

更新日期：2007-12-01 00:00:00

abstract：:Two novel 2-arylbenzofuran dimers, shandougenines A (1) and B (2), and two new polyisoprenylated flavanones 3 (shandougenine C) and 4 (shandougenine D) were isolated from the 95% EtOH extract of Sophora tonkinensis, together with 18 known compounds. Their structures were determined on the basis of spectral data interp...

journal_title：Fitoterapia

authors： Luo G,Yang Y,Zhou M,Ye Q,Liu Y,Gu J,Zhang G,Luo Y

更新日期：2014-12-01 00:00:00

abstract：:The effect of berberine hydrochloride (BBR) on inducible cyclooxygenase-2 (COX-2) in small intestinal mucosa and related mechanisms was investigated in a rat model of acute endotoxemia. The results showed that lipopolysaccharide (LPS) increased COX-2 expression, whereas SB202190 and BBR curtailed it. LPS increased pho...

journal_title：Fitoterapia

authors： Feng AW,Yu C,Mao Q,Li N,Li QR,Li JS

更新日期：2011-10-01 00:00:00

abstract：:The estrogenicity of different batches of red clover (Trifolium pratense L., Fabaceae; RCL) extracts and its relationship with the isoflavone content were assessed by measuring MCF-7 cell proliferation by flow cytometry and propidium iodide staining. RCL extracts were compared to estradiol (E2) and to the main RCL iso...

journal_title：Fitoterapia

authors： Spagnuolo P,Rasini E,Luini A,Legnaro M,Luzzani M,Casareto E,Carreri M,Paracchini S,Marino F,Cosentino M

更新日期：2014-04-01 00:00:00

abstract：:The aqueous root extract of Mimosa pudica dose dependently inhibited the hyaluronidase and protease activities of Indian snakes (Naja naja, Vipera russelii and Echis carinatus) venom. ...

journal_title：Fitoterapia

authors： Girish KS,Mohanakumari HP,Nagaraju S,Vishwanath BS,Kemparaju K

更新日期：2004-06-01 00:00:00

abstract：:Pocahemiketals A and B (1 and 2), two novel hemiketal sesquiterpenoids with unprecedented skeletons, were isolated from the essential oil of the aerial parts of Pogostemon cablin. In addition to a bicyclo[3.2.1]-carbon core, 1 and 2 possessed a hemiketal α,β-unsaturated-γ-lactone moiety. Their structures were determin...

journal_title：Fitoterapia

authors： Zhu H,Zhou QM,Peng C,Chen MH,Li XN,Lin DS,Xiong L

更新日期：2017-07-01 00:00:00