Evaluation of the anti-Leishmania activity of ethanol extract and fractions of the leaves from Pityrogramma calomelanos (L.) link.

abstract：:The aim of this work was to provide a characterisation of volatile constituents from different commercial batches of henna (Lawsonia inermis) leaves of different geographic origin. Headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS) was used for the purpose. A tota...

journal_title：Natural product research

authors： Mengoni T,Peregrina DV,Censi R,Cortese M,Ricciutelli M,Maggi F,Di Martino P

更新日期：2016-01-01 00:00:00

abstract：:The essential oil of the 'resurrection plant' Myrothamnus moschatus (Baillon) Niedenzu endemic to Madagascar, where it is used in traditional medicine, was investigated for the first time for some biological activities. GC-FID and GC-MS analyses revealed trans-pinocarveol (35.6%), pinocarvone (20.0%), β-selinene (8.5%...

journal_title：Natural product research

authors： Nicoletti M,Maggi F,Papa F,Vittori S,Quassinti L,Bramucci M,Lupidi G,Petrelli D,Vitali LA,Ralaibia E,Rasoanaivo P

更新日期：2012-01-01 00:00:00

abstract：:Essential oils (EOs) of chamomile contain several bioactive compounds, including monoterpenes, sesquiterpenes, triterpenes and fatty acids. Hydrodistillation of chamomile EO induces the formation of chamazulene, a bioactive compound. Chamazulene was isolated from the EO by column chromatography. The total antioxidant ...

journal_title：Natural product research

authors： Capuzzo A,Occhipinti A,Maffei ME

更新日期：2014-01-01 00:00:00

abstract：:A new triterpenoid saponin, silenoviscoside F (1), was isolated from the roots of Silene viscidula, together with three known saponins, dianchinenoside D (2), sinocrassuloside I (3) and sinocrassuloside II (4). The structure of compound 1 was elucidated by spectroscopic data, GC-MS and chemical methods. The structures...

journal_title：Natural product research

authors： Xu W,Fang J,Zhu Z,Wu J,Li Y

更新日期：2012-11-01 00:00:00

abstract：:Besides the chemotaxonomic value, nowadays determination of biodiversity and chemical variability has a commercial impact. The exact identity of raw material and constituents of botanical products, such as food supplements or herbal remedies, is a very important argument, being the real prerequisite for quality contro...

journal_title：Natural product research

authors： Toniolo C,Nicoletti M,Maggi F,Venditti A

更新日期：2014-01-01 00:00:00

abstract：:An HPLC/DAD/ESI-MSn method was established to characterise flavonoids in the seeds of Sophora alopecuroides L. All the flavonoids exhibited abundant [M-H]- ions, which triggered data-dependent multistage mass spectrometry fragmentations. Characteristic UV spectra were used to confirm flavonoid subtypes. In total, 22 f...

journal_title：Natural product research

authors： Yang WZ,Ye G,Meng AH,Sabir G,Qiao X,Guo DA,Ye M

更新日期：2013-03-01 00:00:00

abstract：:The natural product lupeol 1 was isolated from aerial parts of Vernonia scorpioides with satisfactory yield, which made it viable to be used as starting material in semisynthetic approach. Ten lupeol derivatives 2-11 were prepared by classical procedures. Including, five new esters derivatives 7-11, which were obtaine...

journal_title：Natural product research

authors： Machado VR,Sandjo LP,Pinheiro GL,Moraes MH,Steindel M,Pizzolatti MG,Biavatti MW

更新日期：2018-02-01 00:00:00

abstract：:Two new anthraquinone malonylglucosides polygonins A and B were isolated from Polygonum cuspidatum along with seven known compounds. The structures of 1 and 2 were elucidated based on their spectroscopic data. ...

journal_title：Natural product research

authors： Zhang H,Zhang QW,Wang L,Zhang XQ,Ye WC,Wang YT

更新日期：2012-01-01 00:00:00

abstract：:The present study explored the schizonticidal potential of traditionally used Magnolia champaca (L.) Baill. ex. Pierre flowers, identifying constituents of interest. The extraction of phytoconstituents was carried out by microwave-assisted technique, isolated via column chromatography, and characterised by various phy...

journal_title：Natural product research

authors： Mehrotra E,Vishwakarma J,Tripathi AC,Sonar PK,Saraf SK

更新日期：2019-02-01 00:00:00

abstract：:In Brazilian folk medicine, Protium heptaphyllum is used to treat inflammatory conditions and to hasten wound repair. This paper aims to investigate the chemical composition and the in vitro antibacterial effects of the essential oils (EOs) obtained from P. heptaphyllum leaves and ripe and unripe fruits against a repr...

journal_title：Natural product research

authors： Cabral RSC,Alves CCF,Batista HRF,Sousa WC,Abrahão IS,Crotti AEM,Santiago MB,Martins CHG,Miranda MLD

更新日期：2020-08-01 00:00:00

abstract：:Tannic acid, a rich of natural and process-derived phenolic compound, has been shown to be an effective antagonist against viruses and bacteria. In this study, we determined the antimicrobial activity and mechanisms of tannic acid against Staphylococcus aureus with emphasis on inhibiting effect on biofilm formation. B...

journal_title：Natural product research

authors： Dong G,Liu H,Yu X,Zhang X,Lu H,Zhou T,Cao J

更新日期：2018-09-01 00:00:00

abstract：:A phytochemical investigation on Lagotis brevituba led to the isolation and characterisation of 11 phenolic compounds: p-hydroxy-benzoic acid 1, methyl 3,4-dihydroxybenzoate 2, vanillic acid 3, protocatechuic acid 4, caffeic acid 5, glucose ester of (E)-ferulic acid 6, p-coumaric acid 7, vanillin 8, diosmetin-7-O-β-d-...

journal_title：Natural product research

authors： Yuan X,Wen H,Cui Y,Fan M,Liu Z,Mei L,Shao Y,Wang Y,Tao Y

更新日期：2017-02-01 00:00:00

abstract：:An alternative method for the synthesis of the 8-methyl-1-tetralone from the commercially available 5-methoxy-1-tetralone has been developed. The transformation involves eight steps and affords an overall yield 25%. ...

journal_title：Natural product research

authors： Poon PS,Bedoya L,Churio GJ,Banerjee AK

更新日期：2014-01-01 00:00:00

abstract：:Pigeon Pea is a well-received traditional nutritious and medicinal plant in India since ancient times. The plant is identified for its impressive pharmacological activities like antimicrobial, anti-inflammatory, antitubercular, antioxidant, neuroprotective, antihypertensive, antihyperglycemic and anticancer properties...

journal_title：Natural product research

authors： Dinore JM,Farooqui M

更新日期：2020-11-23 00:00:00

abstract：:Stichopus hermanni and Stichopus vastus are sea cucumber species from the Stichopodidae family within the coastal waters of Malaysia. The integument of these invertebrates is hypothesised to contain abundant glycosaminoglycans (GAGs). GAGs are divided into non-sulphated and sulphated GAGs. Sulphated GAGs have various ...

journal_title：Natural product research

authors： Masre SF,Yip GW,Sirajudeen KN,Ghazali FC

更新日期：2012-01-01 00:00:00

abstract：:The ethanol extract of the Ficus carica L. leaves was tested to show strong nematicidal activity against pine wood nematode (PWN), Bursaphelenchus xylophilus, causing 90.93% corrected mortality within 72 h at 1.0 mg/mL. From the ethyl acetate soluble fraction of the F. carica L. leaves extract, the main nematicidal co...

journal_title：Natural product research

authors： Guo Q,Du G,He H,Xu H,Guo D,Li R

更新日期：2016-09-01 00:00:00

abstract：:Polyphyllin Ι is a steroidal saponin isolated from the rhizoma of Paris polyphylla. In the present study, we aimed to investigate the anticancer effects of polyphyllin Ι in colorectal cancer and to elucidate the potential underlying molecular mechanisms. Using, CCK8 assay, flow cytometry, laser confocal microscope ana...

journal_title：Natural product research

authors： Yu S,Wang L,Cao Z,Gong D,Liang Q,Chen H,Fu H,Wang W,Tang X,Xie Z,He Y,Peng C,Li Y

更新日期：2018-06-01 00:00:00

abstract：:Two new benzoic acid derivatives, named methyl(S)-3-hydroxy-4-(2- hydroxy -6-methylheptan-2-yl)benzoate (1) and 2-hydroxy-3-(6- hydroxy-6-methylhept-1-en-2-yl)benzoic acid (2), were isolated from the ethanol extract of an endophytic fungus Aspergillus versicolor derived from the medicinal plant Euphorbia royleana. The...

journal_title：Natural product research

authors： Ye Y,Chen Y,Hou Y,Yu H,Zhu L,Sun Y,Zhou M,Chen Y,Dong M

更新日期：2020-06-11 00:00:00

abstract：:A phytochemical reinvestigation of the whole plant of Euphorbia segetalis yielded five tetracyclic triterpenes: 3beta-hydroxy-cycloart-25-en-24-one (1), cycloart-25-ene-3beta,24-diol (2), cycloart-23-ene-3beta,25-diol (3), lanosta-7,9(11),24-trien-3beta-ol (4) and lanosta-7,9(11),24(31)-trien-3beta-ol (5). beta-acetox...

journal_title：Natural product research

authors： Madureira AM,Ascenso JR,Valdeira L,Duarte A,Frade JP,Freitas G,Ferreira MJ

更新日期：2003-10-01 00:00:00

abstract：:This work reports the results and the comparison concerning the chemical and biomolecular analyses and the antifungal activity of three wild Pistacia species (Anacardiaceae) from Sardinia. Volatile oils from leaves and twigs of Pistacia x saportae, Pistacia lentiscus and Pistacia terebinthus were characterised using G...

journal_title：Natural product research

authors： Marengo A,Piras A,Falconieri D,Porcedda S,Caboni P,Cortis P,Foddis C,Loi C,Gonçalves MJ,Salgueiro L,Maxia A

更新日期：2018-12-01 00:00:00

abstract：:This work was carried out to study the effect of topical application of Andrographis paniculata on the rate of wound enclosure and its histological features. A wound was created in four groups of rat in posterior neck region. Blank placebo was applied topically to the wounds of Group 1. Groups 2 and 3 were dressed wit...

journal_title：Natural product research

authors： Al-Bayaty FH,Abdulla MA,Abu Hassan MI,Ali HM

更新日期：2012-01-01 00:00:00

abstract：:The proposed work, aims to provide a "green" and cutting-edge technique for the mordanting and dyeing of polyester fabric with natural henna dye using the advanced technology of micro waves. For providing a complete "green" and ecofriendly dyeing process, lemon was used as a natural bio mordant with micro waves and re...

journal_title：Natural product research

authors： Arain RA,Ahmad F,Khatri Z,Peerzada MH

更新日期：2021-01-01 00:00:00

abstract：:Inula graveolens (L.) Desf. is an annual aromatic herb which has various uses on alternative medicine in many region of the world. In this study, antioxidant activities of ethanol and water extracts of the plant leaves were determined by in vitro DPPH method and phenolic composition of the plant sample was determined ...

journal_title：Natural product research

authors： Silinsin M,Bursal E

更新日期：2018-06-01 00:00:00

abstract：:A new HPLC-DAD method was developed and validated for simultaneous determination of six main phenylethanoid glycosides (calceolarioside D, neocalceolarioside D, verbascoside, isoverbascoside, leucoseptoside A and martynoside) in the aerial parts of four Scutellaria L. taxa from flora of Turkey. All standard compounds ...

journal_title：Natural product research

authors： Bardakci H,Türköz Acar E,Kırmızıbekmez H

更新日期：2019-07-01 00:00:00

abstract：:Immature dendritic cells (iDCs) play very important roles in the pathological process of rheumatoid arthritis (RA). Therefore, it is urgent to search for natural products with antiproliferative activity on iDCs for anti-RA drug discovery. Erycibe schmidtii, a traditional Chinese medicine, has been used to treat RA in ...

journal_title：Natural product research

authors： Ren W,Wang Y,He Q,Zhou Y,Li C,Wang W,Leng X,Zeng T,Zou Q,Li L

更新日期：2020-09-01 00:00:00

abstract：:Phytochemical study on the 95% ethyl alcohol extract of stems of Chenopodium ambrosioides resulted in the isolation of two new polyol monoterpenes, 4-hydroxy-4(α or β)-isopropyl-2-methyl-2-cyclohexen-1-one (1) and 1-methyl-4β- isopropyl-1-cyclohexene-4α,5α,6α-triol (2), together with five known compounds, (1S,2S,3R,4S...

journal_title：Natural product research

authors： Hou SQ,Li YH,Huang XZ,Li R,Lu H,Tian K,Ruan RS,Li YK

更新日期：2017-11-01 00:00:00

abstract：:Triterpene saponins are throught to be potential anti-tumour agents in many cell types. This study aims to evaluate the cytotoxic activity and mechanism of a triterpene saponin, macranthoside B (MB), isolated from Lonicera macranthoides Hand.-Mazz. (Caprifoliaceae). A cell viability assay showed that MB inhibited cell...

journal_title：Natural product research

authors： Guan F,Shan Y,Zhao X,Zhang D,Wang M,Peng F,Xia B,Feng X

更新日期：2011-02-01 00:00:00

abstract：:Two new monoterpene esters illigerates F and G (1 and 2) together with 5 know compounds illigerate A (3), illigerate C (4), actinodaphnine (5), N-methylactinodaphnine(6) and N-methyllaurotetanine(7) were isolated from Illigera aromatica S. Z. Huang et S. L. Mo. Their structures were identified by extensive NMR data an...

journal_title：Natural product research

authors： Pu XY,Tian K,Sun JX,Wang W,Liu HC,Yang J,Jiang MY,Huang XZ

更新日期：2019-05-28 00:00:00

abstract：:The search for bioactive compounds against diseases is imperative and the richness of the Amazon provides a large source to be explored. Current therapies for the treatment of parasitic infections have severe side effects and low efficacy, which makes the development of an effective chemotherapy extremely important. I...

journal_title：Natural product research

authors： Fernandes NS,Desoti VC,Dias A,da Silva YC,de Azevedo Dos Santos AP,Passarini GM,Nakamura CV,da Veiga Junior VF

更新日期：2020-01-25 00:00:00

abstract：:Trichosanthes dioica Roxb. (Cucurbitaceae), named 'pointed gourd' in English, is a dioecious climber grown in India. This study was aimed at evaluating the laxative activity of the aqueous extract of T. dioica root (TDA) in Swiss albino mice. The laxative activity of TDA (100 and 200 mg kg(-1) body weight per os) was ...

journal_title：Natural product research

authors： Bhattacharya S,Haldar PK

更新日期：2012-01-01 00:00:00