Metabolites from the co-culture of nigranoic acid and Umbelopsis dimorpha SWUKD3.1410, an endophytic fungus from Kadsura angustifolia.

abstract：:A new cinnamolyglycoflavonoid 3-cinnamoyltribuloside (1), its precursor tribuloside and two known flavonoid glycosides afzelin and astilbin were isolated from Heritiera littoralis Dryand (Sterculiaceae) ethanolic leaf extract. The dichloromethane leaf extract afforded two known pentacyclic triterpenoids, 3β-taraxerol ...

journal_title：Natural product research

authors： Christopher R,Nyandoro SS,Chacha M,de Koning CB

更新日期：2014-01-01 00:00:00

abstract：:A new resin glycoside, named calysolin XVIII (1), was isolated from the leaves, stems and roots of Calystegia soldanella Roem. et Schult. (Convolvulaceae). The structure of 1 was defined as 11S-jalapinolic acid 11-O-β-d-glucopyranosyl-(1 → 3)-O-(2-O-2S-methylbutyryl,4-O-3-hydroxy-2-methylenebutyryl)-α-l-rhamnopyranosy...

journal_title：Natural product research

authors： Ono M,Kanemaru Y,Yasuda S,Okawa M,Kinjo J,Miyashita H,Yokomizo K,Yoshimitsu H,Nohara T

更新日期：2017-11-01 00:00:00

abstract：:Alkaloids and phenolic compounds are among the most biologically active natural products from the Jacobaea/Senecio genera (Asteraceae). To isolate original natural products directly from Jacobaea gigantea crude polar extracts, centrifugal partition chromatography (CPC) was used. Previously, we reported the phytochemic...

journal_title：Natural product research

authors： Mezache N,Derbré S,Laouer H,Richomme P,Séraphin D,Akkal S

更新日期：2019-08-01 00:00:00

abstract：:A screening of Chinese medicinal herbs and wild plants for agrochemicals was carried out; the essential oil of Glycosmis lucida leaves was found to possess significant repellent activity against Tribolium castaneum and Liposcelis bostrychophila. It was found that the main components included elixene (19.81%), spathule...

journal_title：Natural product research

authors： Guo SS,Zhang WJ,Yang K,Liang JY,You CX,Wang CF,Li YP,Geng ZF,Deng ZW,Du SS

更新日期：2017-05-01 00:00:00

abstract：:Phenolic acids, a sub-class of polyphenols, are widely studied. By contrary, 3,4-dihydroxyphenylacetic acid is scarcely studied. For this purpose, a series of 3,4-dihydroxyphenylacetic acid ester and amide derivatives/conjugates were synthesised for the first time. A systematic study has been performed to quantitative...

journal_title：Natural product research

authors： Pagoni A,Vassiliou S

更新日期：2018-06-01 00:00:00

abstract：:A new highly oxygenated pseudoguaianolide, rudbeckolide (1), was isolated from Rudbeckia hirta L. flowers. The structure of this terpenoid lactone was established on the basis of extensive 1D and 2D NMR spectroscopic analyses. The compound exhibited strong 5-lipoxygenase inhibitory activity (84.9% inhibition at 10 μg/...

journal_title：Natural product research

authors： Michael BR,Gedara SR,Amer MM,Stevenson L,Ahmed AF

更新日期：2013-01-01 00:00:00

abstract：:Today's world is increasingly seeking ways to replace the synthetic drugs with the therapeutic power of natural products. This study was designed to investigate the protective effects of Foeniculum vulgare (FV) and Salvia officinalis (SO) waters infusions against carcinogen chemical trichloroacetic acid (TCA)-exposure...

journal_title：Natural product research

authors： Celik I,Isik I

更新日期：2008-01-10 00:00:00

abstract：:One new naturally occurring quinone, 3',4'-dihydroxy-1,2,6-trimethoxy-[1,1'-biphenyl]-4(1H)-one (1), one new diarylpropane, emarginone A (2), and one new neolignan, emarginone B (3), along with eighteen known compounds have been isolated from the chemical investigation of the EtOAc-soluble fraction of the Vaccinium em...

journal_title：Natural product research

authors： Tu PC,Liang YC,Kao MC,Chao LK,Tseng MH,Lu TL,Sung PJ,Kuo YH

更新日期：2019-09-09 00:00:00

abstract：:The optimisation of nutritional requirements for dopamine (DA) synthesis by calcium alginate-entrapped mutant variant of Aspergillus oryzae EMS-6 using submerged fermentation technique was investigated. A total of 13 strains were isolated from soil. Isolate I-2 was selected as a better producer of DA and improved by e...

journal_title：Natural product research

authors： Ali S,Nawaz W

更新日期：2017-02-01 00:00:00

abstract：:The present study was aimed to isolate active constituents from Blumea axillaris (Lam.) DC (Asteraceae) against phytopathogenic fungi. Bioactivity guided fractionation of the successive n-hexane, chloroform and methanol extract led to the isolation of the monoterpene ester (4 R,5S)-4-hydroxy-7-tigloyloxycarvotanaceton...

journal_title：Natural product research

authors： Sivanandhan S,Pathalam G,Antony S,Michael GP,Balakrishna K,Boovaragamurthy A,Shirota O,Alwahibi MS,El-Shikh MS,Ignacimuthu S

更新日期：2020-10-16 00:00:00

abstract：:Novel derivatives of 4-oxo-3-methylcytisine with phenyl moiety bonded to starting molecule through various spacers were obtained from the 9-amino, -halo, -formyl and 11-halo precursors by reductive alkylation of amines, generation of amide, as well as thio- and carboxamide functions, cross-coupling reactions, aldehyde...

journal_title：Natural product research

authors： Tsypysheva I,Petrova P,Koval'skaya A,Lobov A,Sapozhnikova T,Makara N,Gabdrakhmanova S,Zarudii F

更新日期：2021-01-01 00:00:00

abstract：:Six compounds, benzyl 3-O-β-D-glucopyranosyl-7-hydroxybenzoate (1), spathulenol (2), 1,7,8-trihydroxy-2-naphtaldehyde (3), quercetin (4), astragalin (5) and 2-methoxy-4-(2-propenyl)phenyl β-D-glucoside (6), were isolated from the leaves of Melia azedarach L. The structure elucidation of compound 1 was discussed in det...

journal_title：Natural product research

authors： Zeng J,Ma RJ,Wang L,Zhang SN,Song HZ,Yang Y,Tan QG

更新日期：2019-10-01 00:00:00

abstract：:A new carotenoid glycoside, namely neo-rehmannioside (1), together with five known compounds, 6-O-seco-hydroxyaeginetoyl ajugol (2), oxyrehmaionoside B (3), ajugol (4), geniposidic acid (5) and geniposide (6) was isolated from the 95% ethanol extract of dry roots of Rehmannia glutinosa. The structure of the new compou...

journal_title：Natural product research

authors： Fu GM,Shi SP,Ip FC,Pang HH,Ip NY

更新日期：2011-08-01 00:00:00

abstract：:Chromatographic purification of the DCM sub-extract of Uvaria grandiflora led to the isolation and characterization of a new polyoxygenated cyclohexane derivative, grandifloranol (1), together with five known compounds. Among the compounds isolated, zeylenone (3) showed moderate antitubercular activity against Mycobac...

journal_title：Natural product research

authors： Macabeo APG,Flores AIG,Fernandez RAT,Budde S,Faderl C,Dahse HM,Franzblau SG

更新日期：2020-03-23 00:00:00

abstract：:One new briarane-type diterpenoid, dichotellide V (1), along with four known analogues, gemmacolide N (2), dichotellide J (3), junceelin A (4) and junceellolide A (5), was isolated from the South China Sea gorgonian Dichotella gemmacea. All of the isolated compounds (1-5) were established by comprehensive analysis of ...

journal_title：Natural product research

authors： Sun JF,Yang B,Zhou XF,Yang XW,Wang L,Liu Y

更新日期：2015-01-01 00:00:00

abstract：:Camptothecin (CPT), the derivatives of which are used clinically for the treatment of metastatic colon cancer, is isolated from intact plants that can be subjected to environmental fluctuations. In vitro cultures may be an alternate and continuous source for year-round production of CPT. Since CPT production by undiff...

journal_title：Natural product research

authors： Kamble S,Gopalakrishnan R,Eapen S

更新日期：2011-10-01 00:00:00

abstract：:A total of 205 bluefin and yellowfin tuna samples were examined for mercury detection in order to verify possible differences and have a detailed risk assessment of the two tuna species. The results showed significant higher mercury concentration in muscle tissue of bluefin tuna respect yellowfin tuna (p < 0.001) with...

journal_title：Natural product research

authors： Cammilleri G,Vazzana M,Arizza V,Giunta F,Vella A,Lo Dico G,Giaccone V,Giofrè SV,Giangrosso G,Cicero N,Ferrantelli V

更新日期：2018-02-01 00:00:00

abstract：:Since the last decades, socio-economic changes have a key role on eating habits affecting the nutritional status and health of people, in particular children and adolescents. The aim of this study was to compare the diet of student population both normal weight and overweight and obese in order to understand their eat...

journal_title：Natural product research

authors： Metro D,Tardugno R,Papa M,Bisignano C,Manasseri L,Calabrese G,Gervasi T,Dugo G,Cicero N

更新日期：2018-08-01 00:00:00

abstract：:In order to identify genes related to Taxol biosynthesis, the mRNA differential display method was employed to compare mRNA populations from suspension cultured Taxus chinensis cells before and after beginning to produce Taxol. From a total display of about 4000 PCR products, 104 were derived from cells during the Tax...

journal_title：Natural product research

authors： Hu G,Fan T,Mei X

更新日期：2004-08-01 00:00:00

abstract：:Two novel natural metabolites, 3-O-butyl-(-)-epicatechin (1) and 3-O-butyl-(-)-epigallocatechin (2), as well as several known substances, (-)-epicatechin (3), (+)-gallocatechin (4), (-)-epigallocatechin (5), azadirachtin A (6), trilinolein (7) and octadecanoic acid-tetrahydrofuran-3,4-diyl ester (8), were isolated fro...

journal_title：Natural product research

authors： Cen-Pacheco F,Ortiz-Celiseo A,Peniche-Cardeña A,Bravo-Ruiz O,López-Fentanes FC,Valerio-Alfaro G,Fernández JJ

更新日期：2020-12-01 00:00:00

abstract：:Leishmaniasis is caused by parasites of the genus Leishmania. Recent reports about leishmaniasis show a few number of drugs available, indicating the necessity of new drugs. In this study, the ethanol extract and fractions of Pityrogramma calomelanos (L.) link. (Pteridaceae) were assayed to verify the cytotoxicity and...

journal_title：Natural product research

authors： Souza TM,Morais-Braga MF,Saraiva AÁ,Rolón M,Vega C,de Arias AR,Costa JG,Menezes IR,Coutinho HD

更新日期：2013-01-01 00:00:00

abstract：:A new compound decomposed from ginkgolide B(GB) is discovered and identified by MS and UV spectrum. It is the dehydrate of GB, which was named as ginkgolide K before. Differently, it cannot exist independently, but only in equilibrium with GB. It is found first time that 3-hydroxy is active in some solvent. ...

journal_title：Natural product research

authors： Yuan C,Pan J,Hu X

更新日期：2008-01-01 00:00:00

abstract：:Two new C13-norsesquiterpenes claulanterpene A (1) and B (2), together with two known sesquiterpenes (3-4), were isolated from methanol extract of the stem and leaf of Clausena lansium collected from Qingyuan county, Guangdong Province, China. Their structures were elucidated on the base of extensive spectroscopic ana...

journal_title：Natural product research

authors： Liu XY,Fu XX,Li YY,Xiong ZH,Li BT,Peng WW

更新日期：2020-03-25 00:00:00

abstract：:Two new alkaloids, 4'-O-demethylhamatine (1) and ancistrotectoriline C (2), were isolated from the stems and leaves of Ancistrocladus tectorius. These two compounds represent one 5,1'-coupled and one 7,6'-coupled naphthylisoquinoline alkaloid, respectively. Their structures were elucidated by 1D- and 2D-NMR spectra an...

journal_title：Natural product research

authors： Tang CP,Xin ZQ,Li XQ,Ye Y

更新日期：2010-07-01 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：: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：:Oleiferoside B is a triterpenoid monomer compound, mainly isolated from roots of Camellia oleifera Abel, the underlying mechanism of its antitumour is not clear. In the present study, oleiferoside B potently inhibited SMMC-7721 and MCF-7 cells proliferation and cause cells apoptosis. In addition, it activated an autop...

journal_title：Natural product research

authors： Feng S,Zha Z,Wang Z,Yang P,Wu J,Li X,Xu Q,Liu Y

更新日期：2020-03-18 00:00:00

abstract：:Eight phenolic compounds, including two mixtures of two compounds, were isolated from the ethyl acetate extract of leaves and stems of Homalium brachybotrys. They were identified on the basis of spectroscopic data as quercetin-3-O-beta-glucopyranoside, luteolin-7-O-beta-glucopyranoside, 5,6-dihydro-6-beta-glucopyranos...

journal_title：Natural product research

authors： Mosaddik A,Forster PI,Waterman PG

更新日期：2007-11-01 00:00:00

abstract：:A new diterpenoid glycoside, 14,15-dinor-labdan-13-one-8-O-alpha-L-arabinopyranoside (1), was isolated from Conyza blinii. The structure of this new arabinoside was elucidated on the basis of extensive NMR and HRMS spectroscopy. In addition, the presence of 3R-hydroxyoctadecanoic acid in C. blinii was reported for the...

journal_title：Natural product research

authors： Su Y,Chen L,Wang D,Chai X,Guo D

更新日期：2008-04-15 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