A comparative analysis of essential oils of Goniothalamus macrocalyx Ban., Goniothalamus albiflorus Ban. and Goniothalamus tamirensis Pierre ex Fin. & Gagnep. from Vietnam.

abstract：:Phytochemical investigation of Strychnos nitida has led to the isolation of three new racemic pyridocarbazole alkaloids, (±)-stritidas A-C (1-3) and three known monoterpenoid indole alkaloids (4-6). Compounds 2 and 3 represent the first examples of pyridocarbazole alkaloids featuring an N-2-hydroxyethyl moiety. Their ...

journal_title：Natural product research

authors： Li W,Tang GH,Chen L,Tang YQ,Xu YK,Liu B,Yin S

更新日期：2018-07-01 00:00:00

abstract：:A new prenylated xanthone, mangostanaxanthone VIII (7) and six known metabolites: gartanin (1), 1,3,8-trihydroxy-2-(3-methyl-2-butenyl)-4-(3-hydroxy-3-methylbutanoyl)-xanthone (2), rubraxanthone (3), 1,3,6,7-tetrahydroxy-8-prenylxanthone (4), garcinone C (5), and xanthone I (9-hydroxycalabaxanthone) (6) were separated...

journal_title：Natural product research

authors： Ibrahim SRM,Abdallah HM,El-Halawany AM,Nafady AM,Mohamed GA

更新日期：2019-01-01 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 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：:Although Origanum vulgare (L.) has been deeply analysed at phytochemical level, poor knowledge is available regarding non-volatile compounds such as lipids. The aim of this work was to characterise five wild Sicilian Origanum ecotypes from an agronomic, metabolomic and lipidomic perspective. Serradifalco presented hig...

journal_title：Natural product research

authors： Tuttolomondo T,Martinelli F,Mariotti L,Leto C,Maggio A,La Bella S

更新日期：2016-01-01 00:00:00

abstract：:Salvia apiana (white sage, Lamiaceae family) plant is native to southern California and parts of Mexico. Some Native American tribes local to this region consider S. apiana to be sacred and burn the leaves as incense for purification ceremonies. The plant has been used to treat sore throats, coughs, chest colds, upper...

journal_title：Natural product research

authors： Srivedavyasasri R,Hayes T,Ross SA

更新日期：2017-09-01 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：:The present study was undertaken to investigate the antiproliferative action of isolated M1 (6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid) from Mucuna pruriens seeds using human hepatic carcinoma cell line (Huh-7 cells). Initially, docking studies was performed to find out the binding affinities of M...

journal_title：Natural product research

authors： Kumar P,Rawat A,Keshari AK,Singh AK,Maity S,De A,Samanta A,Saha S

更新日期：2016-01-01 00:00:00

abstract：:A new germacrenolide (1) and fourteen known terpenoids (2-15) were isolated from the barks of Magnolia maudiae (Dunn) Figlar (Magnoliaceae). The structure of (7αH,11βH)-2α,8α-dihydroxy-4α,5β-epoxy-germacr-1(10)-en-6α,12-olide (1) was elucidated by physical and spectroscopic data analysis, including 1D, 2D NMR and HR-E...

journal_title：Natural product research

authors： Xianjin S,Sha S,Qi M,Zhang Z,Yang Y,Wu H,Li L,Wang W,Huang A

更新日期：2018-07-01 00:00:00

abstract：:Artemisia alba Turra (Asteraceae) is an Euro-Mediterranean plant used in Veneto (North-East of Italy) as traditional medicine for the treatment of various diseases. A. alba is a taxonomically problematic species, characterised by common polymorphism leading to a quite high variability in secondary metabolites content....

journal_title：Natural product research

authors： Peron G,Baldan V,Sut S,Faggian M,Roccabruna L,Zanini D,Manzini P,Maggi F,Dall'Acqua S

更新日期：2017-08-01 00:00:00

abstract：:In this study, Box-Behnken Design was used to optimize the ultrasonic extraction of polysaccharides from quince peels (QPPs) by ascorbic acid and the effect of extraction temperature, extraction time and pH was evaluated. Under optimized conditions of temperature 90 °C, 60 min sonication time and pH = 3.26, the extrac...

journal_title：Natural product research

authors： Dammak MI,Mzoughi Z,Chakroun I,Mansour HB,Le Cerf D,Majdoub H

更新日期：2020-05-01 00:00:00

abstract：:A novel aromatic compound, grandiuvarone B (5-acetoxy-3-benzoyloxymethyl-5H-oxepin-4-one), along with a known compound grandiuvarone A (5-acetoxy-6-benzoyloxymethyl-5H-oxepin-4-one) were isolated from methanol extracts of Desmos chinensis leaves. Their structures were determined by various spectroscopic techniques inc...

journal_title：Natural product research

authors： Zhi QQ,Yan QH,Wang Q,Sun PF,Zhou HY,He ZM

更新日期：2020-04-01 00:00:00

abstract：:Machaerium, in the family Fabaceae, predominantly is a genus of a Neotropical distribution of trees, shrubs, and lianas occurring from southern Mexico to Brazil and northern Argentina and as far as South America. Several Machaerium species are widely used in traditional medicine and are considered to have multiple med...

journal_title：Natural product research

authors： Amen YM,Marzouk AM,Zaghloul MG,Afifi MS

更新日期：2015-01-01 00:00:00

abstract：:The phytochemical study of the aerial parts of Viburnum chinshanense Graebn., a species growing in Western and Central China, led to the isolation of six iridoid glucosides: the novel 10,2'-diacetylpatrinoside, 1, and the known 2'-acetyldihydropenstemide, 2'-trans- p-coumaroyl-dihydropenstemide, 2'-acetylpatrinoside, ...

journal_title：Natural product research

authors： Tomassini L,Gao J,Foddai S,Serafini M,Ventrone A,Nicoletti M

更新日期：2006-07-10 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：:Six known metabolites, two new isocoumarins 4 and 8, and one new highly substituted benzoic acid derivative 9 were isolated from the ethyl acetate culture extract of a fungal endophyte, Scytalidium sp. In addition, another new benzoic acid 10 with an unusual 1,2-dicarbonyl side chain was indirectly identified from its...

journal_title：Natural product research

authors： Krohn K,Sohrab MH,Aust HJ,Draeger S,Schulz B

更新日期：2004-06-01 00:00:00

abstract：:This study investigated the flavonoid constituents of a traditional Chinese medical plant Ziziphora clinopodioides Lam. by using ultra-performance liquid chromatography coupled with quadruple time-of-flight mass spectrometry and screened the active components in regulating autophagy.Normal rat kidney (NRK) cells trans...

journal_title：Natural product research

authors： Zhang XM,An DQ,Guo LL,Yang NH,Zhang H

更新日期：2019-09-01 00:00:00

abstract：:Phenolics were extracted from powdered pomegranate peel using water, methanol, acetone and ethyl acetate (EtOAc), respectively. The antiliperoxidant activity of the extracts on lard was studied by peroxide value method. All the extracts showed enhanced inhibitory effect on lard peroxidation with the increase of phenol...

journal_title：Natural product research

authors： Zhang Q,Jia D,Yao K

更新日期：2007-03-01 00:00:00

abstract：:A new phenol glycoside, physanguloside A (1), was isolated from Physalis angulata together with four known compounds. We report herein, for the first time, the presence of compounds 2-5 in the genus Physalis. The structures of all the compounds were established by NMR, IR, UV and HRESIMS spectroscopic analyses, and co...

journal_title：Natural product research

authors： Sun CP,Nie XF,Kang N,Zhao F,Chen LX,Qiu F

更新日期：2017-05-01 00:00:00

abstract：:α-Mangostin is the major prenylated xanthone from Garcinia mangostana and it has been used also in recent times as starting material for the semisynthetic preparation of various biologically active derivatives. Its structure is characterised by the presence of few functional groups amenable to chemical manipulations, ...

journal_title：Natural product research

authors： Morelli CF,Biagiotti M,Pappalardo VM,Rabuffetti M,Speranza G

更新日期：2015-01-01 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：:A phytochemical investigation of Ajuga forrestii Diels led to the isolation of 14 compounds, including eight neo-clerodane diterpenes (1-8), two phytoecdysteroids (9, 11), one stigmastane sterol (10) and three iridoid glycosides (12-14). The structures of these compounds were identified by spectroscopic methods and a ...

journal_title：Natural product research

authors： Chen T,Diao QY,Yu HZ,Jiao CL,Ruan J

更新日期：2018-04-01 00:00:00

abstract：:The ethanolic extract of the leaves of Eriobotrya japonica exhibited inhibitory activity against phosphodiesterase-4D (PDE4D), which is a therapeutic target of inflammatory disease. Subsequent bioassay-guided fractionation led to the isolation of a new triterpene (1), together with seven known triterpenoids, methyl co...

journal_title：Natural product research

authors： Tan BX,Yang L,Huang YY,Chen YY,Peng GT,Yu S,Wu YN,Luo HB,He XX

更新日期：2017-12-01 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：:New ent-trachylobane-3β-hydroperoxide (5) together with four known compounds, ricinine (1), trimethoxy ellagic acid (2), dimethoxy ellagic acid (3) and aleurotolic acid (4) were isolated from the methylene chloride fraction of the root bark of Chrozophora oblongifolia. The structures of these secondary metabolites wer...

journal_title：Natural product research

authors： Kamel MR,Nafady AM,Hassanein AMM,Hassan AR,Shimizu K,Ibrahim RR,Haggag EG

更新日期：2019-11-06 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：:Essential oils from aerial parts of Senecio nutans, Senecio viridis, Tagetes terniflora and Aloysia gratissima were analysed by GC-MS and their antifungal activities were assayed on toxigenic Fusarium and Aspergillus species. Sabinene (27.6 ± 0.1%), α-phellandrene (15.7 ± 0.3%), o-cymene (9.6 ± 0.2%) and β-pinene (6.1...

journal_title：Natural product research

authors： Galvez CE,Jimenez CM,Gomez ALA,Lizarraga EF,Sampietro DA

更新日期：2020-05-01 00:00:00

abstract：:32 medicinal plants that are unique to the Russian Pharmacopeia have 693 isolated natural products associated with them (an average of 21.66 compounds per plant). This is in contrast to the US Pharmacopeia plants that have delivered 2366 known natural products (an average of 42.25 compounds per plant). ...

journal_title：Natural product research

authors： Chupakhin E,Babich O,Prosekov A,Asyakina L,Gureev M,Krasavin M

更新日期：2020-02-21 00:00:00

abstract：:The Aedes aegypti mosquito is one of the major vectors of arboviruses. These diseases have re-emerged and the insecticides used nowadays are toxic to mammals and environment and have only been effective in the short-term. In this context, natural products are an alternative. The genus Piper has many active compounds a...

journal_title：Natural product research

authors： Macedo AL,Duprat RC,Moreira DL,Kaplan MAC,Vasconcelos TRA,Pinto LC,Montenegro RC,Ratcliffe NA,Mello CB,Valverde AL

更新日期：2018-11-01 00:00:00

abstract：:A new sesquiterpenoid, malayscaphiol (1), and three known compounds, lupeol (2), lupenone (3) and stigmasterol (4), were isolated from the methanolic extract of the stem bark of Scaphium macropodum. The structures of the isolated compounds were determined using several spectroscopic methods, including UV-vis, FT-IR, 1...

journal_title：Natural product research

authors： Al Muqarrabun LM,Ahmat N,Aris SR,Shamsulrijal N,Baharum SN,Ahmad R,Rosandy AR,Suratman MN,Takayama H

更新日期：2014-01-01 00:00:00