Antioxidant activity of methanolic extract of Hypericum triquetrifolium Turra aerial part.

abstract：:Panax ginseng is an indigenous medicinal herb and has traditionally been used among Asian population for relief of many human ailments. We investigated the prophylactic role of Korean P. ginseng extract (KG) against X-ray irradiation-induced emesis in an acute rat pica model. Rats were treated with KG (12.5, 25, 50 mg...

journal_title：Fitoterapia

authors： Balaji Raghavendran HR,Rekha S,Cho HK,Jang SS,Son CG

更新日期：2012-09-01 00:00:00

abstract：:Six new triterpenoids, pseudolarins A-F (1-6), were isolated from the twigs of Pseudolarix amabilis, together with four known triterpenoids (7-10) and five known diterpenoids (11-15). Their structures were determined by extensive spectroscopic analysis, and the absolute configuration of 1 was assigned by single-crysta...

journal_title：Fitoterapia

authors： Lei C,Huang QH,Zhao T,Wang PP,Li JY,Li J,Hou AJ

更新日期：2019-11-01 00:00:00

abstract：:Five new cadinene-type sesquiterpenes, hibiscusterpenes I-V (1-5), and six known compounds (6-11) have been isolated from the methanol extract of the stems and the twigs of Hibiscus tiliaceus. The structures of the new compounds were elucidated based on chemical and spectroscopic evidence. The absolute stereochemistry...

journal_title：Fitoterapia

authors： Μatsumoto T,Imahori D,Achiwa K,Saito Y,Ohta T,Yoshida T,Kojima N,Yamashita M,Nakayama Y,Watanabe T

更新日期：2020-04-01 00:00:00

abstract：:This study examined the analgesic and anti-inflammatory actions of cis-mulberroside A isolated from Ramulus mori in several models of inflammatory pain in mice. Cis-mulberroside A (25 and 50mg/kg) given by p.o. route 30 min before challenge produced a dose-dependent inhibition of the acetic acid-induced pain and Evans...

journal_title：Fitoterapia

authors： Zhang Z,Shi L

更新日期：2010-04-01 00:00:00

abstract：:Thuja occidentalis L. is indigenous for Northern America and commonly cultivated in Europe. Raw materials obtained from this tree are widely applied in the ethnomedicine and phytotherapy of numerous ailments, incl. scurvy, cystitis, rheumatism and cancer. Despite wide medicinal applications of Thuja occidentalis, stil...

journal_title：Fitoterapia

authors： Pudełek M,Catapano J,Kochanowski P,Mrowiec K,Janik-Olchawa N,Czyż J,Ryszawy D

更新日期：2019-04-01 00:00:00

abstract：:Two novel eremophylane acetophenone conjugates, colletotricholides A (1) and B (2), were isolated from the solid fermentation cultures of an endophytic fungus Colletotrichum gloeosporioides XL1200 isolated from the aerial parts of Salvia miltiorrhiza. The chemical structures of 1-2 were characterized by extensive spec...

journal_title：Fitoterapia

authors： Zhao WT,Liu QP,Chen HY,Zhao W,Gao Y,Yang XL

更新日期：2020-03-01 00:00:00

abstract：:Epiberberine, a natural protoberberine from Coptis chinensis Franch., is a potential alkaloid for the treatment of a variety of chronic diseases. The aim of this study is to summarize recent advances in the multiple and potential therapeutic effects of epiberberine. High-quality researches published in last two decade...

journal_title：Fitoterapia

authors： Liu L,Li J,He Y

更新日期：2020-11-01 00:00:00

abstract：:Two new neo-clerodane diterpenoids have been isolated from the whole plant of Scutellaria barbata D. Don, and their structures were established by detailed spectral analyses as scutehenanine H (1) and 6-(2,3-epoxy-2-isopropyl-n-propoxyl)barbatin C (2). In vitro, the isolated two new compounds showed significant cytoto...

journal_title：Fitoterapia

authors： Dai SJ,Qu GW,Yu QY,Zhang DW,Li GS

更新日期：2010-10-01 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 methanol extracts of Clematis papuasica leaves and stem bark and of Nauclea obversifolia leaves, stem and root barks showed awide spectrum of antibacterial activity which was increased on fractionation (petrol, dichloromethane, ethyl acetate), the ethyl acetate fractions being in all cases the most effective. None...

journal_title：Fitoterapia

authors： Khan MR,Kihara M,Omoloso AD

更新日期：2001-06-01 00:00:00

abstract：:A phytochemical investigation of the chloroform leaf extract of Alchornea latifolia has been undertaken. Along with the triterpenoids taraxerone, friedelin, epifriedelinol, and taraxerol, the plant also contains seco-3,4-friedelin (dihydroputranjivic acid) (1) and seco-3,4-taraxerone (2). These A-ring-opened triterpen...

journal_title：Fitoterapia

authors： Setzer WN,Shen X,Bates RB,Burns JR,McClure KJ,Zhang P,Moriarity DM,Lawton RO

更新日期：2000-04-01 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：:Commiphoins A-C (1-3), three new cadinane-type sesquiterpenes, together with two known cadinane-type sesquiterpenes (4 and 5) were isolated from the resinous exudates of Commiphora myrrha. Their structures and relative configurations were established on the basis of comprehensive spectroscopic methods, including HRESI...

journal_title：Fitoterapia

authors： Yu YF,Liu YH,Chen XH,Zhi DJ,Qi FM,Zhang ZP,Li YQ,Zhang ZX,Fei DQ

更新日期：2020-04-01 00:00:00

abstract：:Two ethanolic propolis extracts (EPE) with and without the caffeic acid phenethyl ester (CAPE), CAPE and galangin (major components of propolis) were investigated for anti-inflammatory activity in rats using carrageenin foot oedema, carrageenin pleurisy and adjuvant arthritis. In our experiments, EPE with CAPE and CAP...

journal_title：Fitoterapia

authors： Borrelli F,Maffia P,Pinto L,Ianaro A,Russo A,Capasso F,Ialenti A

更新日期：2002-11-01 00:00:00

abstract：:Cinnamon is the dried bark of Cinnamomum cassia Presl, and its main component is cinnamaldehyde (CA). Decades of synthetic pesticide use to control parasitic nematodes that can harm plants has seriously polluted the environment and poses a risk to soil ecology, highlighting the need to develop natural biological pesti...

journal_title：Fitoterapia

authors： Lu L,Shu C,Chen L,Yang Y,Ma S,Zhu K,Shi B

更新日期：2020-10-01 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：:A phytochemical investigation on the leaves of Tripterygium wilfordii Hook. F. was conducted, leading to the isolation of five undescribed dihydro-β-agarofuran sesquiterpenoids (1-5) and one known analogue (6). Their structures were determined by comprehensive spectroscopic analyses. The absolute configurations of the...

journal_title：Fitoterapia

authors： Zhao P,Lin B,Hou ZL,Zhou L,He QJ,Yao GD,Huang XX,Song SJ

更新日期：2020-04-01 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：:The isolation of jusmicranthin (1), a novel lignan from Justicia neesii, is reported. Compound 1 represents a new class of angularly fused arylnaphthalides having a gamma-hydroxylactone unit. ...

journal_title：Fitoterapia

authors： Rajasekhar D,Subbaraju GV

更新日期：2000-09-01 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 fruits of Piper tuberculatum Jacq yielded piperine S (1) and N-(12,13,14-trimethoxydihydrocinnamoyl)-delta(3)-piperidin-2-one (2). Their complete NMR analysis based on one- and two-dimensional experiments is reported. ...

journal_title：Fitoterapia

authors： de O Chaves MC,de F Júnior AG,de O Santos BV

更新日期：2003-02-01 00:00:00

abstract：:Hydroxysafflor yellow A (HSYA) is an active ingredient obtained from the flower of Carthamus tinctorius L. The present study investigated the effects of HSYA on lipopolysaccharide (LPS)-induced inflammatory signal transduction in human alveolar epithelial A549 cells. A549 cells stimulated with LPS were incubated with ...

journal_title：Fitoterapia

authors： Song L,Zhu Y,Jin M,Zang B

更新日期：2013-01-01 00:00:00

abstract：:Three new mixed terpenoids, tricycloalternarenes (TCAs) F-H (1-3), together with ten known tricycloalternarenes (4-13), were isolated from the Czapek's culture of an endophytic fungus Ulocladium sp. Their structures were identified by extensive spectroscopic experiments (NMR and MS) and comparison with literature data...

journal_title：Fitoterapia

authors： Wang QX,Bao L,Yang XL,Guo H,Ren B,Guo LD,Song FH,Wang WZ,Liu HW,Zhang LX

更新日期：2013-03-01 00:00:00

abstract：:A fast and efficient method for the isolation of the C-glucosidated xanthones mangiferin and isomangiferin from the South-African plant Cyclopia genistoides was developed for the first time. The procedure involved extraction, liquid-liquid partitioning with ethyl acetate and subsequent precipitation of mangiferin and ...

journal_title：Fitoterapia

authors： Kokotkiewicz A,Luczkiewicz M,Pawlowska J,Luczkiewicz P,Sowinski P,Witkowski J,Bryl E,Bucinski A

更新日期：2013-10-01 00:00:00

abstract：AIM:The current study was designed to explore the mechanism of the prokinetic activity of Gentiopicroside (Ge), from Gentiana macrophylla Pall which is widely used to strengthen gastric motility in clinic. METHODS:Gastrointestinal motility disorder rats were induced by stress stimulation and the rats were treated with...

journal_title：Fitoterapia

authors： Ruan M,Yu B,Xu L,Zhang L,Long J,Shen X

更新日期：2015-06-01 00:00:00

abstract：:Supercritical CO(2) fluid extraction (SFE-CO(2)) was used to extract the sapogenins after acid hydrolysis from Smilax china tubers. The influence of extraction variables, such as modifier, pressure, temperature and extraction time, were studied. SFE-CO(2) was found to produce higher yield than conventional solvent ext...

journal_title：Fitoterapia

authors： Shu XS,Gao ZH,Yang XL

更新日期：2004-12-01 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：:Cajaninstilbene acid (CSA), a bioactive constituent isolated from pigeon pea leaves, exhibited neuroprotective activities in previous studies. The present study aims to evaluate the antidepressant effects of CSA by using behavioral despair models of tail suspension test (TST) and forced swimming test (FST), and a chro...

journal_title：Fitoterapia

authors： Zhang MD,Tao X,Pan RL,Wang LS,Li CC,Zhou YF,Liao YH,Chen SG,Chang Q,Liu XM

更新日期：2020-03-01 00:00:00

abstract：:Four new taraxerane triterpenoids, 1β,3β-dihydroxy-11α,12α-oxidotaraxerane (1), 28-hydroxy-11α,12α-oxidotaraxerane-3-one (2), 3β-hydroxy-11α,12α-oxidotaraxerane-28-al (3), and 3-O-acetyl-11α,12α-oxidotaraxerane-28-al (4), together with three known compounds 3β-hydroxy-11α,12α-oxidotaraxerane (5), 3β,28-dihydroxy-11α,1...

journal_title：Fitoterapia

authors： Hu J,Shi X,Chen J,Huang H,Zhao C

更新日期：2012-01-01 00:00:00

abstract：:Isothiocyanates (ITCs), the breakdown products of glucosinolates found primarily in species of Brassicaceae (Cruciferae), are potential anti-cancer compounds. This review compiles data on how through different modes of action ITCs and their synthetic counterparts target leukemia. ...

journal_title：Fitoterapia

authors： Prashar A,Siddiqui F,Singh AK

更新日期：2012-03-01 00:00:00