Matrix solid-phase dispersion as a tool for phytochemical and bioactivities characterisation: Crataegus oxyacantha L._A case study.

abstract：:The use of natural products as a diet supplement is increasing worldwide but sometimes is not followed by adequate sanitary controls and analyses. Twenty samples of pills and capsules of lyophilised cyanobacteria (blue-green algae), commercialised in Italy as dietary supplements, were found positive at the Vibrio fisc...

journal_title：Natural product research

authors： Bruno M,Fiori M,Mattei D,Melchiorre S,Messineo V,Volpi F,Bogialli S,Nazzari M

更新日期：2006-07-20 00:00:00

abstract：:Comparison of an authentic sample of altertenuol with altenuisol obtained by total synthesis and analysis of nuclear magnetic resonance spectra unambiguously revealed that altertenuol and altenuisol are identical compounds. ...

journal_title：Natural product research

authors： Thomas R,Nemecek G,Podlech J

更新日期：2013-01-01 00:00:00

abstract：:The essential oil of Lippia microphylla (LM-OE) presents several pharmacological activities. This work evaluates the tocolytic effect of LM-OE on rats. LM-OE inhibited phasic contractions and relaxed tonic contractions on rat uterus. Considering that nitric oxide (NO) pathway regulates uterine contraction, LM-OE poten...

journal_title：Natural product research

authors： Silva MDCC,Souza ILL,Vasconcelos LHC,Ferreira PB,Araujo LCDC,Sampaio RS,Tavares JF,da Silva BA,Cavalcante FA

更新日期：2019-06-05 00:00:00

abstract：:A wide range of proteinaceous inhibitors are present in plants to protect themselves from hydrolytic enzymes. In this study, turmerin, a water-soluble peptide in turmeric rhizomes, was evaluated for its inhibitory potential against glucosidase and its antioxidant (AO) capacity. Turmerin inhibited α-amylase and α-gluco...

journal_title：Natural product research

authors： Lekshmi PC,Arimboor R,Raghu KG,Menon AN

更新日期：2012-01-01 00:00:00

abstract：:Two new ent-atisanediterpenoids, ent-atisane-16β, 17-isopropylidenedioxy-19-ol-3-one (1) and ent-atisane-16β, 17-isopropylidenedioxy-11β, 18-dihydroxyl-3-one (2) were isolated from the whole plants of Euphorbia wallichii. Their structures were elucidated on the basis of extensive spectroscopic analyses. ...

journal_title：Natural product research

authors： Kuang Y,Fu SY,Wang F,Ren FC,Yang DF,Yang SX,Gao Y

更新日期：2017-04-01 00:00:00

abstract：:Synsepalum dulcifificum is an evergreen shrub native of tropical West Africa. It is very effective against a variety of diseases. However, the phytochemical investigation on this plant is limited till now. In our current study, seventeen compounds were isolated and identified from the ethyl acetate extract of the leav...

journal_title：Natural product research

authors： Wang J,Shao S,Huang R,Wu S

更新日期：2020-10-09 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：:Alternanthera brasiliana is popularly known as 'penicillin' and used as an anti-inflammatory and for wound healing. The objective of this work was the phytochemical study of the species by analytical techniques such as LC-MS/MS and GC-MS. Twenty-seven compounds were identified, five by LC-MS and 22 by GC-MS analysis. ...

journal_title：Natural product research

authors： Alencar Filho JMT,Teixeira HAP,Sampaio PA,Pereira ECV,Amariz IAE,Rolim Neto PJ,Rolim LA,Araújo ECDC

更新日期：2020-02-01 00:00:00

abstract：:Two new, aramatosides A and B (1 and 2), together with seven known oleanane-type triterpene saponins (3-9) were isolated from the leaves of Aralia armata. Their structures were determined by combination of HR-ESI-MS, 1 D and 2 D NMR spectral data as well as comparison with the previous literature. Compounds 6-9 exhibi...

journal_title：Natural product research

authors： Yen PH,Chuong NTH,Lien GTK,Cuc NT,Nhiem NX,Thanh NTV,Tai BH,Seo Y,Namkung W,Park S,Kim SH,Minh CV,Kiem PV

更新日期：2020-05-22 00:00:00

abstract：:A facile, atom-economic synthesis of isoxazilidino withaferin, a novel hybrid of withaferin A, has been accomplished via two-step reaction of nitrone synthesis followed by nitrone 1,3-dipolar cycloaddition. The reaction is highly chemoselective (preferential reaction only on one of the two double bonds present on with...

journal_title：Natural product research

authors： Mandal R,Singh M,Krishnan AAV,Dahat YH,Bharitkar YP,Ravichandiran V,Hazra A

更新日期：2020-08-01 00:00:00

abstract：:Diphysidione (1), a new p-hydroxyphenyl anhydride, and vitexin (2) were isolated from the leaves of Diphysa carthagenensis. The structure of the new metabolite was characterised as 4-(4-hydroxy-phenyl)-3H-pyran-2,6-dione using 1D and 2D NMR spectroscopy. ...

journal_title：Natural product research

authors： Torres-Tapia LW,Sosa-Espinosa T,Peraza-Sánchez SR

更新日期：2013-01-01 00:00:00

abstract：:Six new compounds, including three terpenoids (1-3) and three lignans (4-6), were isolated from the 95% EtOH extract of the twigs of Tripterygium hypoglaucum. Their structures were determined on the basis of extensive spectroscopic analysis. 9'-O-benzoyl-lariciresinol (4) showed weak cytotoxicity against HepG2/Adr cel...

journal_title：Natural product research

authors： Zheng H,Wang L,Yang T,Liu D,Li HM,Chen XQ,Li RT

更新日期：2020-07-01 00:00:00

abstract：:The ethanolic extract of the stems of Viburnum fordiae Hance showed insecticidal and α-glucosidase inhibitory activities and then was fractionated by bioactivity-guided fractionation to obtain a rare C13-norisoprenoid (1), together with a new phenolic glycoside (2), and seven known compounds, alangionoside C (3), pisu...

journal_title：Natural product research

authors： Shao JH,Chen J,Zhao CC,Shen J,Liu WY,Gu WY,Li KH

更新日期：2019-09-01 00:00:00

abstract：:This study discusses the similarities and differences between the antioxidant activities of some essential oils: thyme (Thymus vulgaris), basil (Ocimum basilicum), peppermint (Mentha piperita), clove (Caryophyllus aromaticus), summer savory (Satureja hortensis), sage (Salvia hispanica) and lemon (Citrus limon (L.) Bur...

journal_title：Natural product research

authors： Dawidowicz AL,Olszowy M

更新日期：2014-01-01 00:00:00

abstract：:A new protostane-type triterpenoid bearing an oxetane ring in the side-chain, named alisol W (1), has been obtained from the dried rhizome of Alisma plantago-aquatica subsp. orientale. The structure and absolute configuration of compound 1 was determined from extensive spectroscopic analysis. In addition, the vasorela...

journal_title：Natural product research

authors： Li HM,Liu D,Dai WF,Chen XQ,Li RT

更新日期：2019-11-01 00:00:00

abstract：:From the fruit of Pandanus tectorius Parkinson ex Du Roi, one new dihydrofurocoumarin, named pandanusin A (1) and 15 known compounds, including one furanocoumarin (2), two coumarins (3, 4), four lignans (5-8), one neolignan (9), two flavonoids (10, 11), three phenolics (12-14), one monoglyceride (15) and one monosacch...

journal_title：Natural product research

authors： Nguyen TP,Le TD,Minh PN,Dat BT,Pham NK,Do TM,Nguyen DT,Mai TD

更新日期：2016-11-01 00:00:00

abstract：:The antiplasmodial active extract of Xanthium cavanillesii contains 3,4-dicaffeoyl quinic acid (3,4-DCQA), 3,5-dicaffeoyl quinic acid (3,5-DCQA) and 1,3,5-tricaffeoyl quinic acid (1,3,5-TCQA). These results inspired us to investigate the interaction of these molecules with a promising validated target of Plasmodium, P...

journal_title：Natural product research

authors： Taranto AG,Costa SC,Leite FH,de Sá MS,Soares MB,Mussi MM,Branco A

更新日期：2017-03-01 00:00:00

abstract：:A novel isoindole alkaloid named oleraisoindole (1), together with six known compounds, 7'-ethoxy-trans-feruloyltyramine (2), N-trans-feruloyltyramine (3), N-trans-feruloyl-3-methoxytyramine (4), N-trans-p-coumaroyltyramine (5) aurantiamide (6) and ferulic acid methyl ester (7) were isolated from Portulaca oleracea L....

journal_title：Natural product research

authors： Jiang M,Zhang W,Yang X,Xiu F,Xu H,Ying X,Stien D

更新日期：2018-10-01 00:00:00

abstract：:Six new compounds, colletobredins A-D (1-4) and colletomelleins A and B (5 and 6), along with 12 previously identified compounds, were isolated from the culture broth of Colletotrichum aotearoa BCRC 09F0161, a fungal endophyte residing in the leaves of an endemic Formosan plant Bredia oldhamii Hook. f. (Melastomatacea...

journal_title：Natural product research

authors： Hsiao Y,Cheng MJ,Chang HS,Wu MD,Hsieh SY,Liu TW,Lin CH,Yuan GF,Chen IS

更新日期：2016-01-01 00:00:00

abstract：:(+)-7-O-Methylisomiroestrol (MeI), a novel chromene, was discovered as a phytoestrogen in the Pueraria candollei var. mirifica (Airy Shaw & Suvat.) Niyomdham (PM) root having been used as an active agent against oestrogen depletion disorders. The identification of PM phytochemicals is crucial for the development of st...

journal_title：Natural product research

authors： Yusakul G,Juengsanguanpornsuk W,Sritularak B,Phaisan S,Juengwatanatrakul T,Putalun W

更新日期：2020-02-20 00:00:00

abstract：:The chemical composition of the volatile organic compounds (VOCs) released from the leaves and flowers of Artemisia fragrans Willd. (Asteraceae) was investigated using headspace solid-phase microextraction (HS-SPME) coupled to gas chromatography (GC) and/or GS/mass spectrometry (GC/MS). The efficiency and reliability ...

journal_title：Natural product research

authors： Movafeghi A,Djozan Dj,Torbati S

更新日期：2010-08-01 00:00:00

abstract：:A new 1,4-phenanthraquinone was isolated from the roots of Menispermum dauricum. The structure was elucidated as 7-hydroxy-3,6-dimethoxy-1,4-phenanthraquinone on the basis of spectral evidence. ...

journal_title：Natural product research

authors： Zhang ZJ,Zhang XQ,Ye WC,Wang Y,Che CT,Zhao SX

更新日期：2004-08-01 00:00:00

abstract：:Monoterpene glycosides have been isolated from the ethyl acetate soluble fraction of Indigofera hetrantha and their structures assigned to be 3,7-dimethyl-2(E),6-octadien-5-one-1-O-beta-D-6-O-acetylglucopyranoside (1) and 3,7-dimethyl-2(E), 6-octadien-5-one-1-O-[-beta-D-6''-O-acetylglucopyra-nosyl (1'' --> 6')-beta-D-...

journal_title：Natural product research

authors： Mehmood S,Aziz-Ur-Rahman,Ahmad Z,Afza N,Malik A,Ahmad H,Choudhary MI

更新日期：2008-01-01 00:00:00

abstract：:A new highly oxygenated germacranolide, carcerlane A (1), together with four known highly oxygenated germacranolides (2-5), was isolated from an ethanol extract of the whole plant of Carpesium nepalense var. lanatum (C.B.Clarke) Kitam. The structures were determined by HRESIMS and extensive analysis of their spectrosc...

journal_title：Natural product research

authors： Yu YF,Li YQ,Wang RY,Liu X,Cui WB,Chen XH,Zhao CM,Qi FM,Zhang ZX,Fei DQ

更新日期：2020-10-22 00:00:00

abstract：:In the present investigation, the anti-inflammatory activity of a polyphenolic enriched extract of Schima wallichii bark was evaluated in vitro using human peripheral blood mononuclear cells (PBMCs) and in vivo by carrageenan-induced paw oedema assay (acute study) and cotton pallet granuloma assay (chronic study). The...

journal_title：Natural product research

authors： Dewanjee S,Mandal V,Sahu R,Dua TK,Manna A,Mandal SC

更新日期：2011-04-01 00:00:00

abstract：:Investigation on the leaves of Melicope bonwickii (F.Muell.) T.Hartley (Rutaceae) afforded a new 7-(2'-hydroxy-3'-chloroprenyloxy)-4-methoxyfuroquinoline (1) together with the known 7-(2',3'-epoxyprenyloxy)-4-methoxyfuroquinoline (2), evellerine (3) kokusaginine (4) and an amide aurantiamide acetate (5). Compounds 1 a...

journal_title：Natural product research

authors： Komala I,Rahmani M,Sukari MA,Mohd Ismail HB,Cheng Lian GE,Rahmat A

更新日期：2006-04-01 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：:The ethanolic extract of the bulbs of Fritillaria imperialis was subjected to fractionation by solvent-solvent extraction. The nonpolar fraction showed inhibitory activity against prolyl endopeptidase (PEP) (EC.3.4.21.26), a large intracellular enzyme that preferentially hydrolyze proline-containing oligopeptidase at ...

journal_title：Natural product research

authors： Atta-ur-Rahman,Akhtar MN,Choudhary MI,Tsuda Y,Yasin A,Sener B,Parvez M

更新日期：2005-01-01 00:00:00

abstract：:From the deep-sea-derived fungus Aspergillus candidus, one novel (1) and three known (2-4) p-terphenyl derivates were isolated. The structure of the new compound was established mainly on the basis of extensive analysis of 1D and 2D NMR data. All four isolates were tested for in vitro anti-food allergic and antitumor ...

journal_title：Natural product research

authors： Lin YK,Xie CL,Xing CP,Wang BQ,Tian XX,Xia JM,Jia LY,Pan YN,Yang XW

更新日期：2019-06-24 00:00:00

abstract：:In this study, phenolic compounds of hazelnut leaves of 10 different cultivars with the same cultural, geographical, geological and climatic conditions were analyzed by HPLC/DAD and HPLC/DAD/MS/MS - ESI. Eight phenolic compounds (3-caffeoylquinic acid, 5-caffeoylquinic acid, caffeoyltartaric acid, p-coumaroyltartaric ...

journal_title：Natural product research

authors： Amaral JS,Ferreres F,Andrade PB,Valentão P,Pinheiro C,Santos A,Seabra R

更新日期：2005-02-01 00:00:00