Chemical composition, allelopatic and cytotoxic effects of essential oils of flowering tops and leaves of Crambe orientalis L. from Iran.

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：: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：:A new eremophilane sesquiterpene, capnodiumone (1), along with five known eremophilane sesquiterpenes (2-6) and eight other compounds (7-14), have been isolated from a mangrove-associated fungus Capnodium sp. SZ-F22. The chemical structures were elucidated on the basis of extensive spectroscopic analysis. The broth ex...

journal_title：Natural product research

authors： He H,Ma Z,Wang Q,Liu Y,Xu H

更新日期：2016-07-01 00:00:00

abstract：:A new chromone glycoside, 8-O-β-D-Glucopyranosyl-2-methylchromone (1), together with eight known compounds (2-9) were isolated from the Tibetan medicine plant of Swertia punicea. All compounds of this plant were reported for the first time. The structures of these metabolites were elucidated by analysis of their HR-ES...

journal_title：Natural product research

authors： Mou LY,Wei M,Wu HY,Hu LJ,Li JL,Li GP

更新日期：2020-06-11 00:00:00

abstract：:β-Glucan, derived from Saccharomyces cerevisiae, is a biological response modifier which affects the innate and adaptive immune responses. The CCR5 chemokine receptor is crucial for immune cell responses. In this study, the effects of the carboxymethylated form of β-glucan (CM-G) on the lymphocyte population of CCR5 g...

journal_title：Natural product research

authors： Magnani M,Castro-Gomez RH,Aoki MN,Gregório EP,Libos F Jr,Morimoto HK,Reiche EM,Watanabe MA

更新日期：2012-01-01 00:00:00

abstract：:The objective of this study was to determine whether endophytic fungi, isolated from Kadsura angustifolia produce nigranoic acid and its highly oxygenated derivatives. From the 426 endophytic fungi screened, Trichoderma harzianum SWUKD3.1610 was detected to have a component with the same TLC R ...

journal_title：Natural product research

authors： Han M,Qin D,Ye T,Yan X,Wang J,Duan X,Dong J

更新日期：2019-07-01 00:00:00

abstract：:Two new flavanone glycosides have been isolated from the water soluble part of Veratrum nigrum L., belonging to the family Lilica. The structures of 3',4'-dimethoxyl-quercitrin and 4'-methoxyl-glucotricin have been established with the aid of extensive NMR spectroscopic studies. ...

journal_title：Natural product research

authors： Li HL,Tang J,Liu RH,Zhang C,Zhang WD

更新日期：2009-01-01 00:00:00

abstract：:The antioxidant, nitric oxide (NO) scavenging and malondialdehyde (MDA) scavenging activities of different Zataria multiflora (ZM) chemotype essential oils (EOs) were investigated. The main components are: ZM1 (carvacrol, p-cymene), ZM2 (carvacrol, p-cymene), ZM3 (carvacrol, p-cymene), ZM4 (linalool), ZM5 (carvacrol, ...

journal_title：Natural product research

authors： Karimian P,Kavoosi G,Saharkhiz MJ

更新日期：2012-01-01 00:00:00

abstract：:Two new compounds, one sesquiterpene lactone (1) and one phenylethanoid tautomer (2), together with eleven known compounds (3-13) were isolated from the leaves of Ixeridium dentatum. Their structures were determined by extensive spectroscopic methods, including 1D-, 2D-NMR, and mass spectrometry. All compounds were ev...

journal_title：Natural product research

authors： Park S,Nhiem NX,Park JH,Bhattarai KR,Chae HJ,Kim HR,Kim SH

更新日期：2019-04-10 00:00:00

abstract：:A new furanodihydrobenzoxanthone, artomandin (1), together with three other flavonoid derivatives, artoindonesianin C, artonol B, and artochamin A, as well as β-sitosterol were isolated from the stem bark of Artocarpus kemando. The structures of these compounds were determined on the basis of spectral evidence. All of...

journal_title：Natural product research

authors： Ee GC,Teo SH,Rahmani M,Lim CK,Lim YM,Go R

更新日期：2011-06-01 00:00:00

abstract：:As part of our continuing efforts to explore bioactive compounds from natural resources, a new iridoid glycoside, adoxosidic acid-6'-oleuroperic ester (1), together with one known phenylethanoid glycoside (2) and two known flavonoid glycosides (3-4) were isolated from the fruit of Forsythia suspensa. The structure of ...

journal_title：Natural product research

authors： Wei Q,Zhang R,Wang Q,Yan XJ,Yu QW,Yan FX,Li C,Pei YH

更新日期：2020-05-01 00:00:00

abstract：:Four new and seven known diterpenes have been isolated from the dichloromethane extract of the aerial parts of Calceolaria polifolia. The structures of the new compounds were established by spectroscopic evidence. ...

journal_title：Natural product research

authors： Garbarino JA,Piovano M,Chamy MC,Espinoza L

更新日期：2007-02-01 00:00:00

abstract：:A novel monoterpenoid indole alkaloid, melognine (1) possessing an unprecedented skeleton with a 6/6/5/5/6/6 hexatomic rearranged ring system was isolated from the stems of Melodinus fusiformis. The structure with absolute configuration of 1 was established by extensive spectroscopic analyses and quantum ECD calculati...

journal_title：Natural product research

authors： Zhou J,Du SY,Fang ZY,Feng JH

更新日期：2019-11-01 00:00:00

abstract：:Two new compounds including a new 3-arylcoumarin liquiritcoumarin (1), and a new flavonoid glycoside crotoliquiritin (2), together with twelve known compounds (3-14) were isolated from the radix and rhizome of Glycyrrhiza uralensis. Their structures were elucidated on the basis of extensive spectroscopic data analyses...

journal_title：Natural product research

authors： Wang M,Yang W,Liu X,Liu Q,Zheng H,Wang X,Shen T,Wang S,Ren D

更新日期：2020-01-30 00:00:00

abstract：:A new dehydrodigallic acid derivative (1), along with 19 known compounds, including 6 phenolic derivatives, 2 steroids and 11 triterpenoids were isolated from the ethanol extract of the root of Geum urbanum. Herein, there is the first report of steroid and triterpene in Geum urbanum. The purified metabolites were char...

journal_title：Natural product research

authors： Ton That Q,Nguyen Thien TV,Dang HP,Le Hoan N,Vo LKT,Nguyen MHD,Ngu NT,Nguyen TS,Hansen PE

更新日期：2018-11-01 00:00:00

abstract：:The aim of study was to compare the content of phenolic acids and flavonoids in two cultivars of Lavandula angustifolia: 'Blue River' and 'Ellagance Purple', including flowers and leafy stalks. Total phenolics and total flavonoids contents were determined by UV-Vis spectroscopy. The contents of total phenolics in leaf...

journal_title：Natural product research

authors： Adaszyńska-Skwirzyńska M,Dzięcioł M

更新日期：2017-11-01 00:00:00

abstract：:This research work involves the dyeing of acrylic fabric with natural dye extracted from date pits powders using Soxhlet extraction process. The effect of dye bath pH, salt concentration, dyeing time and temperature were studied. The optimal dyeing conditions where pH 4, 0 g/L salt, 60 min, and 80 °C. The COD and the ...

journal_title：Natural product research

authors： Dhahri H,Guesmi A,Ben Hamadi N

更新日期：2019-05-01 00:00:00

abstract：:The essential oils obtained by hydrodistillation from the leaves of Tabernaemontana catharinensis had their composition analysed by GC-MS. A total of 18 substances were identified, consisting of a complex mixture of sesquiterpenes (83.52%), monoterpenes (5.46%) and triterpenes (4.56%). The main components in the oil w...

journal_title：Natural product research

authors： Boligon AA,Schwanz TG,Piana M,Bandeira RV,Frohlich JK,de Brum TF,Zadra M,Athayde ML

更新日期：2013-01-01 00:00:00

abstract：:The lipid peroxidation inhibitory activities of four hydroxyxanthones, isolated from the whole plant Swertia decussata, were evaluated for the first time. The most promising antioxidant among the xanthones, 1,7,8-trihydroxy-3-methoxyxanthone (swertianine, 4) was also tested for its scavenging potential against DPPH an...

journal_title：Natural product research

authors： Patro BS,Chintalwar GJ,Chattopadhyay S

更新日期：2005-06-01 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：: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：:From the seed and leaf extracts of Eryngium species, two new compounds were isolated, along with an aliphatic ketone and several known terpenoids reported from a member of Umbelliferae for the first time. Their structures were elucidated by chemical methods and spectroscopic analysis. ...

journal_title：Natural product research

authors： Muckensturm B,Boulanger A,Farahi M,Reduron JP

更新日期：2010-03-01 00:00:00

abstract：:A new dolabellane diterpenoid (1R*,3E,7E,9S*,11S*,12Z)-9-hydroxydolabella-3,7,12-triene (1), along with seven known compounds (2-8), has been isolated from the Hainan soft coral Spongodes sp. Their structures were elucidated on the basis of spectroscopic analysis and compared with those previously reported in literatu...

journal_title：Natural product research

authors： Yan XH,Jia R,Shen X,Guo YW

更新日期：2007-08-01 00:00:00

abstract：:A novel Amaryllidaceae alkaloid, 6-O-methylkrigeine, has been isolated from Nerine huttoniae and the configuration was elucidated by 1-D and 2-D (1)H-NMR, (13)C-NMR, HRMS and optical rotation. ...

journal_title：Natural product research

authors： Molander M,Christensen SB,Jäger AK,Olsen CE,Rønsted N

更新日期：2012-01-01 00:00:00

abstract：:In the present study, the chemical composition of the essential oil from the aerial parts of Anthemis secundiramea Biv. subsp. secundiramea L. collected in Sicily was evaluated by GC and gas chromatography-mass spectrometry. The main components of A. secundiramea were (Z)-lyratyl acetate (14.6%), (Z)-chrysanthenyl ace...

journal_title：Natural product research

authors： Casiglia S,Bruno M,Senatore F,Rosselli S

更新日期：2019-04-01 00:00:00

abstract：:The present work describes the metabolites produced by a strain identified as Streptomyces youssoufiensis, whose secondary metabolites profile has not been studied so far. The crude ethyl acetate extract was analyzed by high performance liquid chromatography-electrospray ionization mass spectrometry, leading to the de...

journal_title：Natural product research

authors： Leulmi N,Sighel D,Defant A,Khenaka K,Boulahrouf A,Mancini I

更新日期：2019-01-01 00:00:00

abstract：:Tectona grandis Linn (Teak), is locally known as Sagwan, belongs to Lamiaceae family. It is one of the most valuable timber in the world, due to its beautiful surface and its resistance to termite and fungal damage. The main active ingredient compounds that are responsible for these action are tectoquinone, lapachol a...

journal_title：Natural product research

authors： Vyas P,Yadav DK,Khandelwal P

更新日期：2019-08-01 00:00:00

abstract：:A new oleanane triterpenoid (2) was isolated from the roots of Rubia philippinensis. The structure of 2 was determined by analysis of HRMS and NMR data and identified as a rubiprasin analogue, 16β-hydroxyrubiprasin B. Four related known compounds were also encountered which include rubiprasin B (1), maslinic acid (3),...

journal_title：Natural product research

authors： Quan KT,Min BG,Hwang IH,Choi YJ,Kim SK,Na M

更新日期：2019-07-25 00:00:00

abstract：:The chemical composition of the essential oil (EO) obtained from the aerial parts of Rydingia michauxii (Briq.) Scheen & V.A. Albert was analysed by gas chromatography and gas chromatography/mass spectrometry (GC/MS). Eighty components were identified in the oil with caryophyllene oxide (20.1%), trans-verbenol (10.2%)...

journal_title：Natural product research

authors： Karami A,Esmaeili H,Shahbazian D

更新日期：2018-01-01 00:00:00

abstract：:Lactoferrin (LF) is a member of the transferrin family of iron-binding glycoproteins. It is also a multifunctional protein of 80 kDa that is synthesized by glandular epithelial cells and secreted into mucosal fluid. High levels of LF are present in colostrom and milk and low levels in tears, saliva, and gastrointestin...

journal_title：Natural product research

authors： Lahoz E,Pisacane A,Iannaccone M,Palumbo D,Capparelli R

更新日期：2008-01-01 00:00:00