Simultaneous determination of six constituents in Mahuang Fuzi Xixin by UPLC-PDA-MS/MS.

abstract：:In our continuous search for cytotoxic compounds from the genus Zanthoxylum, chromatographic separation of the MeOH/CH2Cl2 (1:1) extract of Z. chalybeum yielded one new alkamide; 4-(isoprenyloxy)-3-methoxy-3,4-deoxymethylenedioxyfagaramide (1) and a known one; fagaramide (2). Similarly, from the MeOH/CH2Cl2 (1:1) extr...

journal_title：Natural product research

authors： Omosa LK,Mbogo GM,Korir E,Omole R,Seo EJ,Yenesew A,Heydenreich M,Midiwo JO,Efferth T

更新日期：2019-03-21 00:00:00

abstract：:Alphitobius diaperinus is an important pathogen with worldwide distribution that causes severe economic loss of efficiency in broilers. This study evaluates the potential of organic extracts of two strains entomopathogenic fungus Beauveria bassiana (CG71 and UNI40) as a biocontrol agent on A. diaperinus and promotes t...

journal_title：Natural product research

authors： Daniel JFS,Scalco AV,de Souza RM,Ocampos FMM,Barison A,Alves LFA,Neves PMOJ

更新日期：2019-10-01 00:00:00

abstract：:A new eremophilane sesquiterpene was isolated from the roots of Senecio nemorensis. Its structure was established as 10alpha-hydroxy-6beta-propionyloxy-1-oxoeremophila-7(11),8-dieno-12,8-lactone on the basis of spectral analysis. ...

journal_title：Natural product research

authors： Meng FJ,Xiao YN,Zhao RJ,Zhao H,Ma QL,Xie WD

更新日期：2009-01-01 00:00:00

abstract：:Two new cycloartane-type glycosides, caspicuside I and caspicuside II, were isolated along with two known saponins, cycloastragenol and astragaloside IV, from the roots of Astragalus caspicus. As the aglycon group, caspicuside I possesses 3beta,6alpha,16beta,(24S),25-pentahydroxycycloartane (cyclocanthagenol), while c...

journal_title：Natural product research

authors： Fathiazad F,Khosropanah MK,Movafeghi A

更新日期：2010-07-01 00:00:00

abstract：:This study was carried out to investigate the biomedicinal potential of aqueous extract (1.25 and 2.5%) of three henna ecotypes (Shahdad, Roodbar and Bam) against Two types of Gram positive and negative bacteria, Staphylococcus aureus (ATCC 25923), Streptococcus agalactiae (ATCC 29933), Bacillus cereus (ATCC 14579), C...

journal_title：Natural product research

authors： Pasandi Pour A,Farahbakhsh H

更新日期：2020-12-01 00:00:00

abstract：:A new sesquiterpeniod, 6alpha, 7alpha, 10alpha-trihydroxyisoducane (1), together with two known sesquiterpenoids, oplodiol (2) and oplopanone (3), were isolated from the chloroform extract of the rhizomes of Homalomena occulta. Their structures were elucidated by 1D and 2D NMR spectral interpretation. ...

journal_title：Natural product research

authors： Hu YM,Yang ZL,Wang H,Ye WC

更新日期：2009-01-01 00:00:00

abstract：:Fungi are important organisms related to the production of antibiotics, many of which are commercially available and used in the clinic to treat infections. Infectious diseases represent a leading cause of death worldwide, being a severe threat to public health, especially with the rise of multi-resistant microorganis...

journal_title：Natural product research

authors： Teles AP,Ataliba GS,Takahashi JA

更新日期：2013-01-01 00:00:00

abstract：:The chemical composition of the essential oil of Kurzamra pulchella (Lamiaceae) was determined. Twelve compounds were identified, with isomenthone (60.6%) and pulegone (37.1%) predominating. Chemotaxonomical considerations were discussed. ...

journal_title：Natural product research

authors： Echeverría J,Niemeyer HM

更新日期：2017-01-01 00:00:00

abstract：:A new chalcone named as balanochalcone (1) together with eight known compounds, methyl caffeate (2), β-hydroxydihydrochalcone (3), methyl gallate (4), dimethyl-6,9,10-trihydroxybenzo[kl]xanthene-1,2-dicarboxylate (5), p-coumaric acid (6), quercetin (7), scopoletin (8) and pinoresinol (9) have been isolated from the et...

journal_title：Natural product research

authors： Quang DN,So TC,Thanh NTP,Hoa LTP,Dien PH,Luong TM,Tung NQ,Long LD,Dai TD,Tien NQ

更新日期：2018-04-01 00:00:00

abstract：:A new xanthone, calothorexanthone, together with five known compounds, garbogiol, 1,4,8-trihydroxyxanthone, δ-tocotrienol, 1,7-dihydroxyxanthone and globuxanthone, was isolated from a petroleum ether extract of the bark of Calophyllum thorelii. Their structures were established on the basis of spectroscopic methods, m...

journal_title：Natural product research

authors： Nguyen LT,Nguyen DM,Nguyen LH

更新日期：2013-01-01 00:00:00

abstract：:A sesquiterpenoid quinone, epi-ilimaquinone (1), and two sesquiterpene amino quinones, smenospongine (2) and glycinylilimaquinone (3), were isolated from the Fijian marine sponge Hippospongia sp. The structures of these compounds were determined by spectroscopic analysis. Compounds 1 and 3 were reported for the first ...

journal_title：Natural product research

authors： Kumar R,Subramani R,Aalbersberg W

更新日期：2013-01-01 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：:In the present study, evaluation of the antiproliferative activity of Pachypodium lamerei Drake leaves (family Apocyaceae) against human breast cancer cell lines MDA-MB-231 was done for the total methanolic extract, crude alkaloidal mixture and ursolic acid using the MTT colorimetric assay. The methanolic extract show...

journal_title：Natural product research

authors： Mina SA,Mohamed SA,Melek FR,Abd El-Khalik SM

更新日期：2020-05-01 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：:Three new (1-3) and 17 known (4-20) iridoid and secoiridoid glycosides were isolated from a methanol extract of the rhizomes and roots of Gentiana scabra. Their chemical structures were elucidated from 1D and 2D NMR, IR absorption, and HR-ESI-MS spectra, as well as comparisons of these data with reported values. The e...

journal_title：Natural product research

authors： Li W,Zhou W,Kim S,Koo JE,Kim Y,Koh YS,Shim SH,Ma JY,Kim YH

更新日期：2015-01-01 00:00:00

abstract：:The first chemotaxonomic study based on volatile components of Porella viridissima (Mitt.) Grolle is reported. The GC-MS analysis of ether extract was performed; ten santalane and five pinguisane-type sesquiterpenes were identified together with perrottetianal A as major diterpene. Most of detected santalane-type sesq...

journal_title：Natural product research

authors： Métoyer B,Lebouvier N,Hnawia E,Thouvenot L,Wang F,Harinantenaina Rakotondraibe L,Raharivelomanana P,Asakawa Y,Nour M

更新日期：2019-08-23 00:00:00

abstract：:Two new 19-hydroxy bufadienolides, named bufohydrolide A (1) and bufohydrolide B (2), and four known analogs (3-6) were isolated from the aqueous extracts of the skins of Bufo melanosticus. Their structures were established by spectral data analyses, such as UV, IR, 1 D/2D NMR and mass spectra. Compounds 1-6 were eval...

journal_title：Natural product research

authors： Meng L,Li S,Kong Q,Wang M,Zhang X,Zhu X,Yu W,Jiang N,Chun Z,Li N,Liu Y

更新日期：2020-03-23 00:00:00

abstract：:The Stewartia koreana Nakai (SK) had been used in oriental traditional medicine as a remedy for acute gastroenteritis, liver diseases, quadriplegia and pain. The antioxidant activity guided isolation 80% methyl extract from stems of SK yielded eight phenolic compounds. We evaluated the anti-oxidative and anti-inflamma...

journal_title：Natural product research

authors： Kim MH,Jang JH,Oh MH,Heo JH,Lee MW

更新日期：2014-01-01 00:00:00

abstract：:Acetylcholinesterase (AChE) inhibitors have been used for the symptomatic treatment of Alzheimer's disease. Eleven whole plants from Panama belonging to the Lycopodiaceae family have been screened for their anticholinesterase inhibitory and antioxidant activities by a thin-layer chromatography (TLC) bioautography meth...

journal_title：Natural product research

authors： Calderón AI,Simithy-Williams J,Sanchez R,Espinosa A,Valdespino I,Gupta MP

更新日期：2013-03-01 00:00:00

abstract：:Four xanthones were isolated from Gentianopsis paludosa Ma and were identified by modern spectroscopic methods. Cytotoxicity of the four xanthones was tested on HepG2 cells and HL-60 cells by sulphorhodamine B (SRB) assay. Clonogenic survival assay, trypan blue exclusion method, AO/EB staining and DNA fragmentation as...

journal_title：Natural product research

authors： Ding L,Liu B,Zhang SD,Hou Q,Qi LL,Zhou QY

更新日期：2011-04-01 00:00:00

abstract：:Investigation of the aerial parts of Vernonia leopoldii (Sch. Bip.) Vatke afforded a new lanostane-type triterpene along with known hirsutinolide-type sesquiterpene lactones and flavonoid glycosides, all are identified for the first time in this species. The new compound was identified as lanost-3β, 23S-dihydroxy-22(3...

journal_title：Natural product research

authors： Marzouk AM,Abd Elhalim OB

更新日期：2016-01-01 00:00:00

abstract：:Six chemical constituents were isolated from Enicosanthum cupulare (King) Airy-Shaw. The structures of the isolated compounds were determined using 1D, 2D-NMR and were found to be identical to those previously reported for these compounds. Three aporphine alkaloids, O-methylmoschatoline, liriodenine and oxostephanine ...

journal_title：Natural product research

authors： Fujita S,Ninomiya M,Efdi M,Ohguchi K,Nozawa Y,Koketsu M

更新日期：2010-10-01 00:00:00

abstract：:The isolation from olive pulp of a diacylglycerol showing an oleic as well as an elenoic acid residue, the latter probably derived from a natural enzymatic oleuropein hydrolysis, is reported. The given structure is supported by 1H- and 13C-NMR data. ...

journal_title：Natural product research

authors： Marra C,Giordano ME

更新日期：2005-01-01 00:00:00

abstract：:Ocimum is a genus of aromatic herbs, undershurbs or shrubs distributed in the tropical and warm temperate regions of the world. Larvicidal activity of essential oils and different extracts of O. sanctum, O. basilicum and O. gratissimum were compared on laboratory reared and field collected larvae of Culex quinquefasci...

journal_title：Natural product research

authors： Rajamma AJ,Dubey S,Sateesha SB,Tiwari SN,Ghosh SK

更新日期：2011-12-01 00:00:00

abstract：:From analysis by gas chromatography/mass spectrometry (GC/MS), the presence of either 2,4,5-tribromo-1H-imidazole (1) or 3,4,5-tribromo-1H-pyrazole (2) was tentatively identified in lipophilic extracts from the egg masses of three muricid molluscs. Synthesis of these compounds, followed by comparison of the GC retenti...

journal_title：Natural product research

authors： Benkendorff K,Pillai R,Bremner JB

更新日期：2004-10-01 00:00:00

abstract：:Two new compounds, myrubol (1) and 3-oxo-11α-hydroxyfriedelane (2), were isolated from the roots of Myrica rubra along with eight known compounds (3-10). Their structures were determined through (1)H-NMR and (13)C-NMR spectral data, including 2-D experiments (HMBC, HMQC, (1)H-(1)H COSY and NOESY) and high-resolution m...

journal_title：Natural product research

authors： Li G,Wang D,Xu S

更新日期：2011-01-01 00:00:00

abstract：:Excessive accumulation of iron in the body can lead to organ injury. Some flavonoids which possess high affinity to iron can be used as iron chelators for curing iron overload diseases such as haemochromatosis. In this article, the effects of baicalin and quercetin on different mouse tissues (liver, kidney and heart) ...

journal_title：Natural product research

authors： Zhang Y,Gao Z,Liu J,Xu Z

更新日期：2011-07-01 00:00:00

abstract：:A phytochemical investigation of the MeOH extract of twigs and leaves of Tephrosia preussi was carried out to give a new kaempferol triglycoside, named tephrokaempferoside (1), together with five known compounds: tephrosin (2), betulinic acid (3), lupeol (4), β-sitosterol (5) and 3-O-β-d-glucopyranoside of β-sitostero...

journal_title：Natural product research

authors： Mba Nguekeu YM,Awouafack MD,Tane P,Nguedia Lando MR,Kodama T,Morita H

更新日期：2017-11-01 00:00:00

abstract：:Salvia x jamensis J. Compton is a hybrid between Salvia greggii A. Gray and Salvia microphylla Kunt. In this study, we describe three hair types identified by Scanning Electron Microscopy. In the essential oil of the aerial parts of S. jamensis 56 different compounds were identified. The two main constituents were β-c...

journal_title：Natural product research

authors： Fraternale D,Albertini MC,Rudov A,Flamini G,Ricci D,Bisio A,Battistelli M,Accorsi A

更新日期：2013-01-01 00:00:00

abstract：:Chemical diversity is vital to antitubercular drug discovery as it ensures a novel bioactivity profile. Marine sponges have so far provided more than 1000 new bioactive molecules. Ethyl acetate extract of the marine sponge Dendrilla nigra on bioactivity-guided screening yielded three new compounds denigrins A-C, with ...

journal_title：Natural product research

authors： Murali Krishna Kumar M,Devilal Naik J,Satyavathi K,Ramana H,Raghuveer Varma P,Purna Nagasree K,Smitha D,Venkata Rao D

更新日期：2014-01-01 00:00:00