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：: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：:The phytochemical investigation of the stem bark of Tinospora cordifolia Miers (Menispermaceae) has afforded four new compounds, named tinosporafuranol, tinosporafurandiol, tinosporaclerodanol, and tinosporaclerodanoid, along with beta-sitosterol, and their stereostructures have been elucidated correspondingly as 4-se...

journal_title：Natural product research

authors： Ahmad F,Ali M,Alam P

更新日期：2010-06-01 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 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：:In this study, the ethanol extract of Momordica dioica fruit extract (200 mg kg(-1)) was studied for nephroprotective and curative activities. Chloroform, ethyl acetate, ethanol and aqueous extracts were prepared. In vitro antioxidant activity was made the basis for the selection of the ethanol extract for further stu...

journal_title：Natural product research

authors： Jain A,Singhai AK

更新日期：2010-05-01 00:00:00

abstract：:Pressafonin A (1) and pressafonin B (2), two new Michelia monoterpenic esters, have been isolated from Michelia compressa (Maxim.) Sargent var. formosana Kanehira (Magnoliaceae), and their structures are determined on the basis of spectroscopic analysis. ...

journal_title：Natural product research

authors： Cheng MJ,Lo WL,Huang JC,Yeh YT,Hong ZL,Lu YC,Chang MS,Chen CY

更新日期：2010-04-01 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：:In this study, the batch removal of copper(II) ions from an aqueous solution and wastewater using marine brown alga Sargassum sp. was investigated. Activated carbon prepared from Sargassum sp. by acid decomposition was also used for the removal of copper from the aqueous solution and wastewater. Activated carbon-prepa...

journal_title：Natural product research

authors： Esmaeili A,Ghasemi S,Sohrabipour J

更新日期：2010-03-01 00:00:00

abstract：:The subfamily Asclepiadoideae (Apocynaceae) and the closely-related Periplocoideae are sources of many indigenous Indian medicinal plants. We surveyed antioxidant properties and total phenolic and flavonoid contents of 15 samples, representing 12 Indian medicinal plant species from these subfamilies. Total antioxidant...

journal_title：Natural product research

authors： Surveswaran S,Cai YZ,Xing J,Corke H,Sun M

更新日期：2010-02-01 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：:New analogues of a long-chain secondary alcohol (1) and laserine (2) were isolated from the flowers of Tamarix hampeana L. The isolated compounds were identified using 1D and 2D NMR, LCMS/APCI, and chemical methods. Laserine was isolated for the first time from T. hampeana L. ...

journal_title：Natural product research

authors： Aykac A,Akgül Y

更新日期：2010-01-01 00:00:00

abstract：:From the fermentation broths of the actinomycete Micromonospora rhodorangea, four anthraquinone derivatives (1-4) were isolated, of which 2-ethyl-1,8-dihydroxy-3-methyl-anthraquinone (1) and 3,8-dihydroxy-1-propylanthraquinone (3) were determined as new compounds. Their structures were established by using extensive s...

journal_title：Natural product research

authors： Xue CM,Tian L,Lin WH,Deng ZW

更新日期：2009-01-01 00:00:00

abstract：:This study evaluates the presence, location and production source of tetrodotoxin (TTX) in two species of pufferfish, Diodon histrix and Arothron hispidus, common to Hawaiian waters. Organs from each fish were analysed for TTX and used to isolate bacteria for evaluation of possible TTX production. Comparative analyses...

journal_title：Natural product research

authors： Campbell S,Harada RM,DeFelice SV,Bienfang PK,Li QX

更新日期：2009-01-01 00:00:00

abstract：:Oldenlandia umbellata L., commonly known as 'chay root', belongs to the family Rubiaceae and is one of the unexplored dye-yielding plants. The roots from this plant are the sources of red dye. Extraction protocol and dye characterisation have not been completely studied so far in this plant. Hence, in this article we ...

journal_title：Natural product research

authors： Ramamoorthy S,Mudgal G,Rajesh D,Nawaz Khan F,Vijayakumar V,Rajasekaran C

更新日期：2009-01-01 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：:From the ethanolic extract of Lentinus edodes (Shiitake) eight known sterols were isolated and identified: ergosterol, ergosterol peroxide, (22E)-ergosta-5,7,9(11), 22-tetraen-3beta-ol, (22E)-ergosta-7,9(11),22-trien-3beta-ol, (22E)-ergosta-6,8,22-trien-3beta-ol, (22E)-norergosta-5,7,9,22-tetraen-3beta-ol, 3beta,5alph...

journal_title：Natural product research

authors： Rivera A,Benavides OL,Rios-Motta J

更新日期：2009-01-01 00:00:00

abstract：:Crambe orientalis L. (Brassicaceae), a perennial herb, is indigenous to Iran. The essential oils of flowering tops and leaves of the plant were evaluated by GC-MS. Our results showed that while 2-methyl-5-hexenitrile (19.5%) and benzyl cyanide (16.9%) were the major components of flowering tops oil, the oil of the lea...

journal_title：Natural product research

authors： Razavi SM,Nejad-Ebrahimi S

更新日期：2009-01-01 00:00:00

abstract：:In an attempt to establish the components responsible for the use of Enantia chlorantha against cutaneous leishmaniasis in local traditional medicine, a well-known palmatine has been isolated in substantial amounts from a methanolic bark extract of this plant species. Palmatine therein obtained exhibited a significant...

journal_title：Natural product research

authors： Nkwengoua ET,Ngantchou I,Nyasse B,Denier C,Blonski C,Schneider B

更新日期：2009-01-01 00:00:00

abstract：:Extracts from three Calophyllum species endemic to Sri Lanka were tested for antifungal and antioxidant activities. Of them, only the root methanol extract of Calophyllum thwaitesii showed activity, and the active extract on activity guided fractionation yielded four antifungal active and three inactive xanthones. Ant...

journal_title：Natural product research

authors： Dharmaratne HR,Napagoda MT,Tennakoon SB

更新日期：2009-01-01 00:00:00

abstract：:Two saponins: scrokoelziside A (1), scrokoelziside B (2), one iridoid glycoside, eurostoside (3), and two flavonoids: nepitrin (4) and homoplantaginin (5), were isolated from the leaves of Scrophularia ningpoensis for the first time. Moreover, eight known compounds: cane sugar (6), harpagide (7), aucubin (8), 6-O-meth...

journal_title：Natural product research

authors： Li J,Huang X,Du X,Sun W,Zhang Y

更新日期：2009-01-01 00:00:00

abstract：:A new oligostilbenoid, diptoindonesin C, has been isolated from the tree bark of Shorea pinanga Scheff., along with the two known oligostilbenoids gnetin H and hopeaphenol, and a known coumarin scopoletin. The new oligostilbenoid was moderately active against brine shrimps Artemia salina. ...

journal_title：Natural product research

authors： Syah YM,Hakim EH,Ghisalberti EL,Jayuska A,Mujahidin D,Achmad SA

更新日期：2009-01-01 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：: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：:The structure of pregnane oligoglycosides, namely rocinine (1) and marsdinine (11), which have been isolated from the chloroform soluble extract of the dried stem of Marsdenia roylei, were elucidated using MS, (1)H NMR, (13)C NMR, (1)H-(1)H COSY, HSQC and TOCSY experiments as well as chemical degradation and derivatis...

journal_title：Natural product research

authors： Gupta V,Kumar A,Khare A,Khare NK

更新日期：2009-01-01 00:00:00

abstract：:Four flavone compounds were isolated from the effective fractions inhibiting xanthine oxidase (XOD) of the medicinal plant Selaginella labordei with anti-virus activity, and the structures were elucidated as 4'-methylether robustaflavone (1), robustaflavone (2), eriodictyol (3) and amentoflavone (4). The 50% inhibitor...

journal_title：Natural product research

authors： Tan WJ,Xu JC,Li L,Chen KL

更新日期：2009-01-01 00:00:00

abstract：:Loliolide content was determined in 13 marine algae including red, brown and green algae collected from the Black Sea, the Dardanelles and the Aegean Sea. Identification and quantification were performed by gas chromatography-mass spectrometry. The loliolide content in green alga is 1.76 microg g(-1), ranges from 0.14...

journal_title：Natural product research

authors： Percot A,Yalcin A,Aysel V,Erduğan H,Dural B,Güven KC

更新日期：2009-01-01 00:00:00

abstract：:Lappaconitine is an important alkaloid of the aconite family and its biological activity is closely related to its structure. Through an X-ray structure analysis of hydrated lappaconitine hydrobromide, which was synthesised by us through a new method, the absolute configuration of lappaconitine was determined: monocli...

journal_title：Natural product research

authors： Sun W,Wang Y,Zhang J,Yu K

更新日期：2009-01-01 00:00:00

abstract：:The fungus showing homology with Nodulisporium by 28S ribosomal gene sequencing, which has been discovered as an endophyte on medicinal plant Nothapodytes foetida, was found to produce 45 and 5.5 microg of camptothecin (CPT) per gram of mycelia at bioreactor and at shake flask, respectively, which was further quantifi...

journal_title：Natural product research

authors： Rehman S,Shawl AS,Kour A,Sultan P,Ahmad K,Khajuria R,Qazi GN

更新日期：2009-01-01 00:00:00

abstract：:A flavanone has been isolated first time from the stem of Bauhinia variegata, and its structure was identified by colour reactions and spectral analysis. In a search for novel anticancer compounds from medicinal plants, the isolated flavanone was tested for cytotoxic activity against 57 human tumour lines, representin...

journal_title：Natural product research

authors： Rajkapoor B,Murugesh N,Rama Krishna D

更新日期：2009-01-01 00:00:00

abstract：:This review covers the literature published since the report of the first compound to December 2006, for marine natural 2,11-cyclized cembranoids isolated from Caribbean sources, with 30 citations, most of them from 2000 to 2006, referring to compounds isolated from the Caribbean gorgonian octocorals Briareum asbestin...

journal_title：Natural product research

authors： Cóbar OM

更新日期：2009-01-01 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：:Bioactivity guided fractionation of Echiochilon fruticosum Desf. (Boraginaceae) butanolic extract biautography assay against fungi led to the isolation of a new bioactive alkaloid, named saoussanabiloïde (1). Its structure was established on the basis of spectroscopic measurements, IR, MS and 2D NMR using COSY, HMQC a...

journal_title：Natural product research

authors： Hammami S,Mighri N,Ben Jannet H,Boughalleb N,Zardi-Bergaoui A,Nefzi A,Abreu P,Mighri Z

更新日期：2009-01-01 00:00:00

abstract：:Fourteen N,N'-diaryl unsymmetrically substituted thioureas were synthesised and their cytotoxic (in vitro), phytotoxic (in vitro), acetylcholinesterase and butrylcholinesterase activities were determined. Thiourea 16 exhibited high, and 1 and 3 showed significant phytotoxic activity. Thioureas 1, 3, 4, 6 and 10 showed...

journal_title：Natural product research

authors： Begum S,Choudhary MI,Khan KM

更新日期：2009-01-01 00:00:00

abstract：:Continued investigation of the marine alga Laurencia claviformis has led to the isolation of pacifenol, a halogenated sesquiterpene as the major metabolite. The microbial transformation of pacifenol is reported. It was cultivated with a marine strain of Penicillium brevicompactum yielding a new compound. The structure...

journal_title：Natural product research

authors： San-Martín A,Rovirosa J,Astudillo L,Sepúlveda B,Ruiz D,San-Martín C

更新日期：2008-12-01 00:00:00

abstract：:Seven pentacyclic triterpenoids including 3beta-O-(E)-coumaroyl-15alpha-hydroxy-beta-amyrin (1), 15alpha-hydroxy-beta-amyrin (2), 3beta-taraxerol (3), 3beta-taraxerol formate (4), 3beta-taraxerol acetate (5), 3beta-O-(E)-coumaroyl-taraxerol (6), and 3beta-O-(Z)-coumaroyl-taraxerol (7) were isolated and identified from...

journal_title：Natural product research

authors： Li DL,Li XM,Wang BG

更新日期：2008-06-15 00:00:00

abstract：:Several Mediterranean shrubs, both autochthonous and naturalized, have been traditionally used as food, flavouring and/or spicing agents, and as phytopharmaceuticals. The interest around 'natural' and 'biological' products is steadily increasing in developed countries. Therefore, it seems reasonable to screen some shr...

journal_title：Natural product research

authors： Sanjust E,Mocci G,Zucca P,Rescigno A

更新日期：2008-05-20 00:00:00

abstract：:The monoterpenoid fractions of three endemic Galium ssp. (Rubiaceae) from Sardinia Island were examined and compared with the iridoidic pattern yet known in Galium species. This comparison evidenced theirs endemic characters. In particular, in G.corsicum and in G. glaucophyllum loganic acid was isolated and identified...

journal_title：Natural product research

authors： Serrilli AM,Ramunno A,Amicucci F,Chicarella V,Santoni S,Ballero M,Serafini M,Bianco A

更新日期：2008-05-10 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：:In this computational study, geometric factors are calculated by applying semi-empirical methods (PM3) that support experimental evidence from this lab where bryostatins can bind trivalent iron with six Fe-O bonds forming an octahedral geometry. The geometric factors are calculated for all 20 structures (Fe3+ bound to...

journal_title：Natural product research

authors： Manning TJ,Thomas J,Osiro S,Smith J,Abadi G,Noble L,Phillips D

更新日期：2008-03-20 00:00:00