Study of the effect of nickel heavy metals on some physiological parameters of Catharanthus roseus.

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：:Topical sunscreens have been used for many years on exposed areas to protect the skin from the damaging effects of ultraviolets. If the sunscreens were essential, it is suggested that they have adverse effects. We chose to study ferulic acid ethyl ester (FAEE) as agent which could potentially be used in sunscreen prod...

journal_title：Natural product research

authors： Choquenet B,Couteau C,Paparis E,Coiffard LJ

更新日期：2008-01-01 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：:Thirty semicarbazone and thiosemicarbazone derivatives (2a-w and 4a-g) from chalcones containing furan and thiophene ring were designed and synthesized. They were characterized by IR, 1H NMR, 13C NMR and HRMS. The crystal structure of compound 2r was characterized by single crystal X-ray diffraction. It crystallizes i...

journal_title：Natural product research

authors： Cheng W,Xiao T,Qian W,Lu T,Zhang T,Tang X

更新日期：2020-03-16 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：:The stems of Cinnamomum reticulatum Hay (Lauraceae) were extracted with hexane and chloroform successively. A series of new esters, including a mixture of 4-hydroxy-3-methoxyphenethyl derivatives, along with two butanolides, isoobtusilactone A and obtusilactone A, two amides, N-trans-feruloylmethoxytyramine and N-cis-...

journal_title：Natural product research

authors： Lin IJ,Lo WL,Chia YC,Huang LY,Cham TM,Tseng WS,Yeh YT,Yeh HC,Wang YD,Chen CY

更新日期：2010-05-01 00:00:00

abstract：:The aim of this study was to explore the extract/fractions and compounds of Diospyros lotus against various Gram-positive and Gram-negative bacteria strain. The results showed marked susceptibility of extract and its fractions against test pathogens. Among them, chloroform fraction was most dominant and effective agai...

journal_title：Natural product research

authors： Rauf A,Uddin G,Khan H,Arfan M,Siddiqui BS

更新日期：2016-01-01 00:00:00

abstract：:A new denudatine-type C20-diterpenoid alkaloid, designated as sinchianine (1), together with eight known diterpenoid alkaloids, 12-acetyl-12-epi-napelline (2), 12-epi-napelline (3), neoline (4), talatisamine (5), 14-O-acetylsenbusine A (6) and benzoylaconine (7), songorine (8) and aconitine (9), were isolated from the...

journal_title：Natural product research

authors： Samanbay A,Zhao B,Aisa HA

更新日期：2018-10-01 00:00:00

abstract：:A new triterpenic glucoside, lup-1,5,20(29)-trien-3-O-beta-D-glucopyranoside (4), along with three known phytoconstituents: n-octacosane, friedelin and beta-amyrin, has been isolated from the leaves of Clerodendrum inerme (L.) Gaertn. (Verbenaceae). Structure elucidation was carried out on the basis of chemical and ph...

journal_title：Natural product research

authors： Parveen M,Khanam Z,Ali M,Rahman SZ

更新日期：2010-01-01 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：:In this investigation, the effect of Matricaria chamomilla extract on linear incisional wound healing was studied. Thirty male Wistar rats were subjected to a linear 3 cm incision made over the skin of the back. The animals were randomly divided into three experimental groups, as control, olive oil, and treatment. Con...

journal_title：Natural product research

authors： Jarrahi M,Vafaei AA,Taherian AA,Miladi H,Rashidi Pour A

更新日期：2010-05-01 00:00:00

abstract：:The aim of this work was to provide information about kinetin effects on chemical volatile profile of Curcuma zedoaria (Christm.) Roscoe after several days of plant dormancy release. Rhizomes of C. zedoaria were immersed in four kinetin concentrations (0, 50, 100, 150 mg ml-1, n = 12 by each concentration) for 30 min....

journal_title：Natural product research

authors： Portella RO,Marques MOM,Ono EO,Silva PSSD,Fernandes AM,de Almeida LFR

更新日期：2020-02-21 00:00:00

abstract：:A new 20-membered macrolide named as levantilide C was isolated from the Micromonospora strain FIM07-0019 recovered from shallow coastal waters near the island of Chiloe, Chile. The chemical structure of levantilide C was elucidated on the basis of one- and two-dimensional NMR analysis. Two known indole derivatives we...

journal_title：Natural product research

authors： Fei P,Chuan-Xi W,Yang X,Hong-Lei J,Lu-Jie C,Uribe P,Bull AT,Goodfellow M,Hong J,Yun-Yang L

更新日期：2013-08-01 00:00:00

abstract：:A new propanamide analogue (1), along with one known alkaloid (2) and four known diketopiperazines (3-6), was isolated from a cultured broth of the actinomycete Streptomyces sp. Q24 that was obtained from a sample of mangrove soil. The structures of these isolates were characterised as 3-acetylamino-N-2-thienyl-propan...

journal_title：Natural product research

authors： Ye X,Chai W,Lian XY,Zhang Z

更新日期：2017-06-01 00:00:00

abstract：:A new 1,4-napthoquinone derivative, namely (S)-(-)-3-(8-hydroxy-1,4-dioxo-1,4-dihydro-naphthalen-2-yl)-3-(4-hydroxy-3-methoxyphenyl)-propionic acid methyl ester (1), was isolated from the roots of Juglans mandshurica Maxim. The structure was identified based on HR-ESI-MS, 1D and 2D NMR spectroscopic methods. ...

journal_title：Natural product research

authors： Jiang Z,Diao S,Li R,Zhou W,Sun J,Zhou Y,Jin Y,Jin M,Li G

更新日期：2018-05-01 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：: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：:A new isoflavone, 4'-prenyloxyvigvexin A (1) and a new pterocarpan, (6aR,11aR)-3,8-dimethoxybitucarpin B (2) were isolated from the leaves of Lonchocarpus bussei and the stem bark of Lonchocarpus eriocalyx, respectively. The extract of L. bussei also gave four known isoflavones, maximaisoflavone H, 7,2'-dimethoxy-3',4...

journal_title：Natural product research

authors： Adem FA,Kuete V,Mbaveng AT,Heydenreich M,Koch A,Ndakala A,Irungu B,Yenesew A,Efferth T

更新日期：2019-09-01 00:00:00

abstract：:Essential oils from the leaves, twigs and barks of Bocageopsis pleiosperma Maas were obtained by using hydrodistillation and analysed by using gas chromatography coupled to mass spectrometry. Several compounds (51) were detected and identified, being β-bisabolene the main component in all aerial parts of the plant, wi...

journal_title：Natural product research

authors： Soares ER,da Silva FM,de Almeida RA,de Lima BR,Koolen HH,Lourenço CC,Salvador MJ,Flach A,da Costa LA,de Souza AQ,Pinheiro ML,de Souza AD

更新日期：2015-01-01 00:00:00

abstract：:Armoracia rusticana (AR) was tested for antimicrobial and antioxidants power. The compound demonstrated to inhibit fish pathogens such as Vibrio anguillarum, V. harvey, V. alginolyticus, Aeromonas hydrophila, A. salmonicida, Photobacterium damselae subspecie piscicida, Tenacibaculum marinum and Pseudomonas anguillisep...

journal_title：Natural product research

authors： Manuguerra S,Caccamo L,Mancuso M,Arena R,Rappazzo AC,Genovese L,Santulli A,Messina CM,Maricchiolo G

更新日期：2020-06-01 00:00:00

abstract：:Dunaliine A (1), a new amino diketone, has been isolated from the leaves of Desmos dunalii together with four known dihydrochalcones: 2',4-dihydroxy-4',6'-dimethoxy-3',5'-dimethyldihydrochalcone (2), 2',4-dihydroxy-4',6'-dimethoxydihydrochalcone (3), 2',4-dihydroxy-4',5',6'-trimethoxydihydrochalcone (4) and 2',4-dihyd...

journal_title：Natural product research

authors： Awang K,Abdullah Z,Mukhtar MR,Litaudon M,Jaafar FM,Hadi AH,Thomas NF

更新日期：2009-01-01 00:00:00

abstract：:The methanolic extract of the aerial parts of Datura innoxia afforded a new withanolide, daturacin, the structure of which was elucidated as (20R, 22S)-21,24-epoxy-1,6-dioxo-14alpha-methoxy-5beta-witha-2,25(27)-dienolide (1) by an analysis of the spectroscopic data, including extensive NMR experiments. ...

journal_title：Natural product research

authors： Siddiqui BS,Arfeen S,Begum S,Sattar FA

更新日期：2005-09-01 00:00:00

abstract：:Oil content in sweet and bitter fennels was obtained 12.22% and 14.41%, respectively. The C(18:1 c6), C(18:2), C(18:1 c9) and C(16:0) acids corresponding to approximately 97% of total oil was recorded as principal fatty acids. The ratios of essential oil from sweet and bitter fennels were found similar (average 3.00%)...

journal_title：Natural product research

authors： Coşge B,Kiralan M,Gürbüz B

更新日期：2008-01-01 00:00:00

abstract：:Known diketopiperazine WIN 64821 and its asymmetric stereoisomers (1-3) had been isolated from the culture broth of a marine gut fungus Aspergillus sp. DX4H. The planar and stereochemistry for new compounds were determined by a suite of techniques including mass, NMR and CD spectra together with Marfey's method. Their...

journal_title：Natural product research

authors： Xu J,Hu Q,Ding W,Wang P,Di Y

更新日期：2018-04-01 00:00:00

abstract：:Colletia paradoxa (Spreng.) Esc. (Rhamnaceae, Colletieae) is a medicinal plant, threatened with extinction in Brazil, presenting great morphological variability. Our objective is to investigate the phytochemical components, antioxidant capacity and antimycobacterial activity of different morphotypes of C. paradoxa in ...

journal_title：Natural product research

authors： Bastos Záchia NR,Piana M,Dos Santos Siqueira F,da Silva Jesus R,Athayde ML,Essi L,de Campos MMA

更新日期：2019-04-16 00:00:00

abstract：:A new 24-membered macrolide, 5'-epi-SPA-6952A (1), was isolated from the cultured broth of Streptomyces diastatochromogenes. The structure was elucidated by means of spectroscopic methods and comparing with literature data of the known 24-membered macrolide SPA-6952A. Compound 1 was found to show significant insectici...

journal_title：Natural product research

authors： Cao H,Liu W,Chang Y,Chen H,Zhang Y,Xu W,Tao L

更新日期：2019-03-01 00:00:00

abstract：:Flavonoids have always attracted much attention due to their reversal activity on multidrug resistance (MDR). Eight flavonoids isolated from traditional Chinese medicine Sophora alopecuroides L. were applied to test their effect on MDR associated protein 1 (MRP1) through the established predicting assay. Three flavono...

journal_title：Natural product research

authors： Ni K,Yang L,Wan C,Xia Y,Kong L

更新日期：2014-01-01 00:00:00

abstract：:Physalis angulata is an annual herb which has tremendous medicinal uses. The antioxidant activity of the whole plant extract of Physalis angulata was investigated using DPPH radical scavenging activity. Purified compounds were isolated using column chromatography method. Their structures were determined using various ...

journal_title：Natural product research

authors： Odusina BO,Onocha PA

更新日期：2020-11-23 00:00:00

abstract：:Methylphophorbide a (MPa) has been isolated from the ethanol extract of the wheat grass plant. Its antioxidative efficacy is evaluated by hydroxyl radical scavenging activities and reducing capacity which are significantly up regulated in comparison with aqueous extract of the plant. The compound shows iron-binding ca...

journal_title：Natural product research

authors： Das P,Mandal S,Gangopadhyay S,Das K,Mitra AG,Dasgupta S,Mukhopadhyay S,Mukhopadhyay A

更新日期：2016-01-01 00:00:00

abstract：:(+) Benzomalvins E (1) and (-) Benzomalvins E (2), a pair of epimeric derivatives, together with three known benzomalvins (3-5), were isolated from solid cultures of a interrhizospheric fungus Penicillium sp. SYPF 8411. The planar structure of (+) Benzomalvins E (1) has been previously reported. While, the absolute co...

journal_title：Natural product research

authors： Feng QM,Feng Y,Zhang TY,Wang HF,Zhang MY,Wu YY,Chen G,Zhang YX,Pei YH

更新日期：2020-07-01 00:00:00