Bioactivity and chemistry of the genus Hortonia.

abstract：:The present study was designed to evaluate the herbicidal activity of Datura metel against the noxious weed parthenium (Parthenium hysterophorus L.). In a laboratory bioassay, the effect of aqueous, methanol and n-hexane shoot and root extracts of 5, 10, 15 and 20% w/v (on a fresh weight basis) concentration of D. met...

journal_title：Natural product research

authors： Javaid A,Shafique S,Shafique S

更新日期：2010-09-01 00:00:00

abstract：:A novel butenoate derivative, methyl (Z)-4-{[(Z)-1-(hydroxymethyl)-2-phenyl-1-ethenyl] amino}-4-oxo-2-butenoate (1), was isolated from the fermentation broth of an Aspergillus niger strain Ta1. The structure (1) was elucidated by spectral analysis. Bioassays showed that compound 1 had a weak antioxidant activity. ...

journal_title：Natural product research

authors： Yuan W,Zhu H,Cheng K,Huang Z,Qin Y,Yang J,Zhu P

更新日期：2006-05-20 00:00:00

abstract：:The stem-derived essential oil of Aglaia odorata Lour. was obtained by hydrodistillation using a Clevenger-type system. Gas chromatography-mass spectrometry analysis of the oil revealed the identification of 39 compounds, representing 76.4% of the oil; germacrene D (20.3%), α-humulene (17.1%), α-himachalene (12.7%) an...

journal_title：Natural product research

authors： Joycharat N,Thammavong S,Voravuthikunchai SP,Plodpai P,Mitsuwan W,Limsuwan S,Subhadhirasakul S

更新日期：2014-01-01 00:00:00

abstract：:Glaucocalyxin A is a natural ent-Kaurane diterpenoid. It has been widely studied for some important biological activities like cytotoxicity and anti-tumour, anti-bacterial, anti-oxidative, anti-coagulative, anti-thrombotic, immune and anti-neuroinflammatory activities. The aim of the present article is to review the a...

journal_title：Natural product research

authors： Xiang Z,Wu X,Liu X,Jin Y

更新日期：2014-01-01 00:00:00

abstract：:Here is reported the anti Leishmania infantum activity of 48 hexane, CH2Cl2 and MeOH extracts from 16 macroalgae collected on the Iberian Coast. Seven hexane and CH2Cl2Cystoseira baccata, Cystoseira barbata, Cystoseira tamariscifolia, Cystoseira usneoides, Dictyota spiralis and Plocamium cartilagineum extracts were ac...

journal_title：Natural product research

authors： Bruno de Sousa C,Lago JHG,Macridachis J,Oliveira M,Brito L,Vizetto-Duarte C,Florindo C,Hendrickx S,Maes L,Morais T,Uemi M,Neto L,Dionísio L,Cortes S,Barreira L,Custódio L,Alberício F,Campino L,Varela J

更新日期：2019-06-01 00:00:00

abstract：:Pressafonin A (1) and pressafonin B (2), two new Michelia monoterpenic esters, have been isolated from Michelia compressa (Maxim.) Sargent var. formosana Kanehira (Magnoliaceae), and their structures are determined on the basis of spectroscopic analysis. ...

journal_title：Natural product research

authors： Cheng MJ,Lo WL,Huang JC,Yeh YT,Hong ZL,Lu YC,Chang MS,Chen CY

更新日期：2010-04-01 00:00:00

abstract：:Two novel benzoquinones, uvarmicranones A (1) and B (2), along with 15 known compounds (3 - 17) were isolated from the stems of Uvaria micrantha (Annonaceae). Their structures were elucidated by analyses of NMR and high-resolution mass data. A plausible biosynthetic pathway of uvarmicranone A (1) via Diels-Alder cyclo...

journal_title：Natural product research

authors： Boonsombat J,Thongnest S,Kheawchaum S,Mahidol C,Ruchirawat S,Prawat H

更新日期：2020-09-22 00:00:00

abstract：:The stems of Cinnamomum reticulatum Hay (Lauraceae) were extracted with hexane and chloroform successively. A series of new esters, including a mixture of 4-hydroxy-3-methoxyphenethyl derivatives, along with two butanolides, isoobtusilactone A and obtusilactone A, two amides, N-trans-feruloylmethoxytyramine and N-cis-...

journal_title：Natural product research

authors： Lin IJ,Lo WL,Chia YC,Huang LY,Cham TM,Tseng WS,Yeh YT,Yeh HC,Wang YD,Chen CY

更新日期：2010-05-01 00:00:00

abstract：:The aerial portions of Cynara scolymus commonly have been eaten as vegetables or functional foods by the people lived in Mediterranean region. In preliminary antioxidant screening, the rhizome portions (CSR) of this species showed better potential than leaves ones. However, neither phytochemical nor pharmacology studi...

journal_title：Natural product research

authors： Lee CL,Liao KC,Chen CC,Lin YA,Wu TY,Jhan YL,Chen CJ,Yang JC,Wu YC

更新日期：2019-07-30 00:00:00

abstract：:Cultivation of the marine-derived Aspergillus versicolor MCCC 3A00080 with the addition of a histone deacetylase inhibitor, suberoylanilide hydroxamic acid (SAHA), significantly enhanced the diversity of secondary metabolites. From the culture treated, a new biphenyl derivative, named versiperol A (1), along with two ...

journal_title：Natural product research

authors： Zhu JX,Ding L,He S

更新日期：2019-04-01 00:00:00

abstract：:Terminalia bellerica has been used as a traditional medicine in a variety of ailments including anaemia, asthma, cancer, inflammation, rheumatism and hypertension. In this study, the free radical scavenging and antioxidant activities of methanol extract (ME) and its different solvent fractions (namely hexane (HE), eth...

journal_title：Natural product research

authors： Nampoothiri SV,Binil Raj SS,Prathapan A,Abhilash PA,Arumughan C,Sundaresan A

更新日期：2011-02-01 00:00:00

abstract：:The emphasis of the present study is to evaluate a natural product and the potential microbicide activity using a dual chamber infection method. Malva sylvestris extracts and fractions were screened for anti-HIV activity by measuring the virus-antibody neutralization. Plant extracts with strong antiviral activity work...

journal_title：Natural product research

authors： Benso B,Rosalen PL,Pasetto S,Marquezin MCS,Freitas-Blanco V,Murata RM

更新日期：2019-08-20 00:00:00

abstract：:SPME analysis of Zingiber officinale Roscoe and Curcuma longa L. were performed by using a DVB/CARB/PDMS fiber. The SPME analysis of Zingiber officinale showed that the main components found were camphene (7.27%), geranial (8.37%), α-zingiberene (14.50%), α-farnesene (9.14%), β-bisabolene (6.52%), and β-sesquiphelland...

journal_title：Natural product research

authors： D'Auria M,Racioppi R

更新日期：2019-07-01 00:00:00

abstract：:One new 14-membered ring cyclopeptide alkaloid, plenane A (1), along with six known compounds (2-7), was isolated from the roots of Clematis florida. Their structures were elucidated by means of NMR spectroscopic analysis and mass spectrometry. In addition, their anti- inflammatory effects on lipopolysaccharide-induce...

journal_title：Natural product research

authors： Wu Y,Zhang YF,Zhang HT,Ma XH,Yang NN,Feng SB,Zhong TH,Zhang YH

更新日期：2020-08-18 00:00:00

abstract：:Chromatographic fractionation of the chloroform extracts from the stem bark and stems of Guettarda grazielae resulted in the isolation of a new iridoid (guettardodiol, 1) and the secoiridoid sarracenin (2), described for the first time in this genus. The structural elucidation of these compounds was based on spectrosc...

journal_title：Natural product research

authors： Moura FS,Lima GS,Meneghetti MR,Lyra Lemos RP,Conserva LM

更新日期：2011-10-01 00:00:00

abstract：:The actinomycete strain FIM06-0036 was isolated from marine sponge sample collected from the East China Sea and identified as Verrucosispora sp. based upon the results of 16S rRNA sequence analysis. One new alkaloid, 2-ethylhexyl 1H-imidazole-4-carboxylate (1), together with a known alkaloid butyl 1H-imidazole-4-carbo...

journal_title：Natural product research

authors： Chen MH,Lian YY,Fang DS,Chen L,Jia J,Zhang WL,Lin R,Xie Y,Bi HK,Jiang H

更新日期：2019-11-15 00:00:00

abstract：:This study was designed to investigate possible antidepressant-like effects of the extract prepared from the flowers of Hypericum montbretti Spach. (Guttiferae, Clusiaceae). Phytochemical constituents of the methanolic extract were analysed by HPLC method. The main flavonoid component was detected as rutin, and anothe...

journal_title：Natural product research

authors： Can OD,Ismail IB,Oztürk Y,Oztürk N,Potoğlu-Erkara I,Sagratini G,Ricciutelli M,Vittori S,Maggi F

更新日期：2011-09-01 00:00:00

abstract：:Eurya acuminata DC and Croton caudatus Gieseler are two ethno-medicinal plants used by Kuki community of North East India. From these plants, we have characterized fifteen phytochemicals (1-15) by extensive use of chromatographic and spectroscopic methods. They were also tested for in vitro cytotoxic effects against A...

journal_title：Natural product research

authors： Neipihoi,Narzary B,Saikia S,Saikia S,Tamuli KJ,Sahoo RK,Dutta D,Bordoloi M

更新日期：2020-09-16 00:00:00

abstract：:Fuzhuan brick-tea (FBT) is unique for a fungal fermentation stage in its manufacture process and is classified in dark tea. A new acylated flavonol glycoside, kaempferol 3-O-[E-p-coumaroyl-(→2)][α-l-arabinopyranosyl-(1→3)][α-l-rhamnopyranosyl(1→6)]-β-d-glucopyranoside, which was trivially named as camellikaempferoside...

journal_title：Natural product research

authors： Tian YZ,Liu X,Liu W,Wang WY,Long YH,Zhang L,Xu Y,Bao GH,Wan XC,Ling TJ

更新日期：2016-12-01 00:00:00

abstract：:Two new triterpene saponins, albidosides H (1) and I (2), along with the three known saponins were isolated from the barks of Acacia albida. Their structures were elucidated on the basis of extensive 1D- and 2D-NMR studies and mass spectrometry. Albidosides H (1) and I (2) were assayed for their cytotoxicity against H...

journal_title：Natural product research

authors： Tchoukoua A,Kuiate Tabopda T,Konga Simo I,Uesugi S,Ohno M,Kimura KI,Kwon E,Momma H,Shiono Y,Ngadjui BT

更新日期：2018-04-01 00:00:00

abstract：:This study describes the in vitro inhibition of protein denaturation of extract/fractions of Withania somnifera and isolated withanolides including 20β hydroxy-1-oxo(22R)-witha-2,5,24 trienolide (1), (20R,22R-14α,20α)-dihydroxy-1-oxowitha-2,5,16,24 tetraenolide (2). The results showed that the extract/fractions of the...

journal_title：Natural product research

authors： Khan MA,Khan H,Rauf A,Ben Hadda T

更新日期：2015-01-01 00:00:00

abstract：:Triterpene saponins in medicinal plants attract scientific attentions for their structural diversity and significant bioactivities. In this work, a high-performance liquid chromatography coupled to electrospray ionisation and quadrupole time-of-flight mass spectrometry (HPLC-ESI-QTOF-MS/MS) method is used to rapidly s...

journal_title：Natural product research

authors： Zhang EF,Ling Y,Yin Z,Zhang Q

更新日期：2018-04-01 00:00:00

abstract：:Methanolic extracts of 18 Thai plants from Doi Tung, the north of Thailand, were examined for brine shrimp lethality and antioxidative activity using 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay. In brine shrimp lethality, the highly toxic plant extracts were Mitrephora wangii (LC(50) 14.8 µg mL(-1)) and Hydrocotyle jav...

journal_title：Natural product research

authors： Tanamatayarat P,Sotanaphun U,Poobrasert O

更新日期：2012-01-01 00:00:00

abstract：:An actinomycete strain 200-09, isolated from a soil sample collected from the coast of Hawaii, USA, was identified as Streptomyces antibioticus on the basis of its morphological, physiological and biochemical characteristics as well as 16S rDNA analysis. A new antimycin-type antibiotic, kitamycin C (1), together with ...

journal_title：Natural product research

authors： Wang F,Fu SN,Bao YX,Yang Y,Shen HF,Lin BR,Zhou GX

更新日期：2017-08-01 00:00:00

abstract：:Mangrove plants are endowed with various biologically active compounds which have potent antibacterial and antioxidant properties. In present study, a bioactivity-guided fractionation for antibacterial and antioxidant active metabolites from the twigs of Avicennia officinalis collected from Kuala Selangor Nature Park,...

journal_title：Natural product research

authors： Assaw S,Mohd Amir MIH,Khaw TT,Bakar K,Mohd Radzi SA,Mazlan NW

更新日期：2020-08-01 00:00:00

abstract：:Nerium oleander (NO), a member of the Apocynaceae family, is an ornamental plant. In this study, we evaluated the antiviral activity of hot and cold extract of NO against six different viruses such as herpes simplex virus type 1 (HSV-1), polio virus type 1 (Sb-1), vesicular stomatitis virus (VSV), reovirus type-1 (Reo...

journal_title：Natural product research

authors： Sanna G,Madeddu S,Serra A,Collu D,Efferth T,Hakkim FL,Rashan L

更新日期：2019-03-25 00:00:00

abstract：:Oxygen radical absorbance capacity (ORAC) is a widely used hydrogen atom transfer-based method which measures the antioxidant capacity of natural products. ORAC values of oleaster (Elaeagnus angustifolia L.), which was extracted with ethanol/acetone (7:3, v/v), ethanol/water (1:1, v/v) and methanol/water (1:1, v/v) in...

journal_title：Natural product research

authors： Yalcin G,Sogut O

更新日期：2014-01-01 00:00:00

abstract：:Nine lupeol derivatives were synthesised and assayed in vitro for their antitumour activities against three human tumour cells lines, A549, LAC and HepG2. Of lupeol derivaties, six were new compounds, and five compounds against A549 cells, four compounds against HepG2 cells and three compounds against LAC cells were e...

journal_title：Natural product research

authors： Li W,Xiao Y

更新日期：2018-01-01 00:00:00

abstract：:A continuous phytochemical study on the seeds of Senna obtusifolia (Syn.: Cassia obtusifolia) led to the isolation of a new anthraquinone analogue, obtusifolin-2-O-β-D-(6'-O-α,β-unsaturated butyryl)-glucopyranoside (1) and a new eurotinone analogue, epi-9-dehydroxyeurotinone-β-D-glucopyranoside (2). Their structures w...

journal_title：Natural product research

authors： Pang X,Wang LM,Zhang YC,Kang LP,Yu HS,Fan GW,Han LF

更新日期：2019-12-01 00:00:00

abstract：:The chemical composition of the essential oils isolated from the aerial parts of Anthemis arvensis L. subsp. arvensis, Anthemis cretica subsp. messanensis (Brullo) Giardina & Raimondo and from flowers and leaves of Anthemis cretica subsp. columnae (Ten.) Frezén were determinated by GC-FID and GC-MS analyses. Torreyol ...

journal_title：Natural product research

authors： Riccobono L,Maggio A,Bruno M,Spadaro V,Raimondo FM

更新日期：2017-12-01 00:00:00