Antioxidant activity of Paraguayan plant extracts.

abstract：:Ten new highly oxygenated lanostane triterpenoids, stereinones A-J (1-10), were isolated from the fruiting bodies of the basidiomycete Stereum sp. Compounds 3 and 4 are structurally characterized as intact lanostane-type triterpenoids containing unusual 1,2-diketone functionality at C-11 and C-12, while compound 10 is...

journal_title：Fitoterapia

authors： Yao JN,Chen L,Chen HP,Zhao ZZ,Zhang SB,Huang Y,Tang Y,Isaka M,Li ZH,Feng T,Liu JK

更新日期：2018-03-01 00:00:00

abstract：:Four meroterpenoids, applanatumols F (1), H (3), I (2), and lingzhiol (4) were isolated from the 95% EtOH extract of the fruiting bodies of Ganoderma sinense. Their structures were established on the basis of NMR spectroscopic analyses, optical rotatory dispersion data, ECD spectra, and X-ray crystallography. Compound...

journal_title：Fitoterapia

authors： Gao S,Zhang P,Zhang C,Bao F,Li H,Chen L

更新日期：2018-11-01 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：:Glabridin, a prenylated isoflavonoid of G. glabra L. roots (European licorice, Fabaceae), has been associated with a wide range of biological properties such as antioxidant, anti-inflammatory, anti-atherogenic, regulation of energy metabolism, estrogenic, neuroprotective, anti-osteoporotic, and skin-whitening. While g...

journal_title：Fitoterapia

authors： Simmler C,Pauli GF,Chen SN

更新日期：2013-10-01 00:00:00

abstract：:Beyond its role in the activation of protein C, the endothelial cell protein C receptor (EPCR) plays an important role in the cytoprotective pathway. EPCR can be shed from the cell surface, which is mediated by tumor necrosis factor-α converting enzyme (TACE). Polyozellin, a major constituent of a Korea edible mushroo...

journal_title：Fitoterapia

authors： Lee W,Yang EJ,Park DH,Bae JS

更新日期：2016-01-01 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：: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：:Solanum nigrum L. (also called as European black nightshade) has been traditionally used as folk medicine and food in some regions. Phytochemical investigations of the immature fruits of S. nigrum yielded five steroidal alkaloid glycosides (1-5), including an unprecedented nor-spirosolane type steroidal alkaloid with ...

journal_title：Fitoterapia

authors： Xiang L,Wang Y,Yi X,He X

更新日期：2019-09-01 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：:Two new steroidal esters with an unusual framework, Sinkiangenorin A and B, a new organic acid glycoside, Sinkiangenorin C, and four known lignin compounds were isolated from the seeds of Ferula sinkiangensis. The structures of these compounds were established by spectroscopic analysis and single-crystal X-ray diffrac...

journal_title：Fitoterapia

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

更新日期：2014-09-01 00:00:00

abstract：:The secondary metabolite pattern of Eryngium tricuspidatum has been found to be dominated by C17 acetylene oxylipins, according to the chemistry reported in the literature for the genus Eryngium. Two new oxylipins, 11-acetoxy-falcarindiol (4) and 1,2-dihydro-11-acetoxy-falcarindiol (5) have been isolated, along with m...

journal_title：Fitoterapia

authors： Djebara A,Ciavatta ML,Mathieu V,Colin M,Bitam F,Carbone M,Gavagnin M

更新日期：2019-10-01 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：:Aloe vera gel is a familiar ingredient in a range of widely available and advertisement healthcare and cosmetic products. As to date there are no documented reports on the standardization of A. vera gel and the following study is an attempt in this direction. A. vera gel was evaluated for its aloeverose content for th...

journal_title：Fitoterapia

authors： Lobo R,Prabhu KS,Shirwaikar A,Ballal M,Balachandran C,Shirwaikar A

更新日期：2010-06-01 00:00:00

abstract：:A screening was conducted with 26 plants collected in the Brazilian southeast region, to identify plant extracts with antibacterial properties against Aeromonas hydrophila, Bacillus subtilis, Pseudomonas aeruginosa and Staphylococcus aureus. Initially, the agar diffusion method was employed. Then, those extracts prese...

journal_title：Fitoterapia

authors： Oliveira DF,Pereira AC,Figueiredo HC,Carvalho DA,Silva G,Nunes AS,Alves DS,Carvalho HW

更新日期：2007-02-01 00:00:00

abstract：:Two new atranones T and U (1 and 2), and three known analogues atranone B (3), atranone Q (4), and stachatranone C (5) were isolated from the toxigenic fungus Stachybotrys chartarum. Their structures and absolute configurations were elucidated by spectroscopic data and calculated ECD analyses. The cytotoxicities of al...

journal_title：Fitoterapia

authors： Qin YD,Fang FM,Zhou JJ,Wang RB,Xu SX,Li LH,Zhang HL

更新日期：2020-10-01 00:00:00

abstract：:Diterpene alkaloids neoline (1), napelline (2), isotalatizidine (3), karakoline (4), senbusine A (5), senbusine C (6), aconitine (7) and taurenine (8) were identified from Aconitum napellus L. subsp. firmum, four (2-4, 6) of which are reported for the first time from this plant. The structures were determined by means...

journal_title：Fitoterapia

authors： Kiss T,Orvos P,Bánsághi S,Forgo P,Jedlinszki N,Tálosi L,Hohmann J,Csupor D

更新日期：2013-10-01 00:00:00

abstract：:The pharmacological active genus Thymus L. comprises over 200 species. Besides its traditional pharmacological use, thyme may reduce the risk of caries disease, however, there is very little respective literature. The pharmacological effects can be attributed to the secondary plant metabolites. The composition of the ...

journal_title：Fitoterapia

authors： Schött G,Liesegang S,Gaunitz F,Gleß A,Basche S,Hannig C,Speer K

更新日期：2017-09-01 00:00:00

abstract：:Silymarin, a standardised extract of Silybum marianum (milk thistle), comprises mainly of silybin, with dehydrosilybin (DHSB), quercetin, taxifolin, silychristin and a number of other compounds which are known to possess a range of salutary effects. Indeed, there is evidence for their role in reducing tumour growth, p...

journal_title：Fitoterapia

authors： Zholobenko A,Modriansky M

更新日期：2014-09-01 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：:Although the bioactive compounds in goji have been thoroughly identified and quantified, little information is available on the bitter compounds in the berries, and no systematic works on the substances responsible for their bitterness have been performed. Herein, the substances contributing to the bitterness of berri...

journal_title：Fitoterapia

authors： Qian D,Chen J,Lai C,Kang L,Xiao S,Song J,Xie J,Huang L

更新日期：2020-06-01 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：: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：:Oral treatment with the water extracts of Scoparia dulcis whole aerial parts, at doses of 50, 100 and 200 mg/kg, dose dependently inhibited the indomethacin-induced gastric damages in rats. ...

journal_title：Fitoterapia

authors： Babincová M,Schronerová K,Sourivong P

更新日期：2008-12-01 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：: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：: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：:The crude methanolic extracts of the leaves, stem bark, stem heart wood, root bark and root heart wood of Euroschinus papuanus and the fractions obtained on partitioning with petrol, dichloromethane (D), ethyl acetate (E) and butanol (B), exhibited a broad spectrum antibacterial activity. Fractionation drastically enh...

journal_title：Fitoterapia

authors： Khan MR,Omoloso AD,Kihara M

更新日期：2004-06-01 00:00:00

abstract：:Bergenin, a major constituent of Caesalpinia digyna Rottler (Leguminosae) was isolated from its roots and was characterized by comparing its melting point and spectroscopic data (IR, (1)H, (13)C, Mass Spectra) with standard bergenin. Isolated bergenin was then evaluated for antidiabetic (Type 2) activity in streptozot...

journal_title：Fitoterapia

authors： Kumar R,Patel DK,Prasad SK,Laloo D,Krishnamurthy S,Hemalatha S

更新日期：2012-03-01 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：:Seventy-six plant species from 46 botanical families, traditionally used to treat intestinal diseases in Mbalmayo region are recorded. The local names and the way the plants are used are indicated. ...

journal_title：Fitoterapia

authors： Noumi E,Yomi A

更新日期：2001-03-01 00:00:00