Two new eremophilanolides from Xanthium sibiricum.

abstract：:In this study, 12 compounds, which include a new flavanone 5-methoxy mundulin, were isolated from the leaves, stem bark and twigs of Mundulea sericea (Willd.) A. Chev. (Fabaceae; Papilionoideae). The structures of the compounds were identified based on spectral data analyses. The constituents of M. sericea also showed...

journal_title：Natural product research

authors： Mazimba O,Masesane IB,Majinda RR

更新日期：2012-01-01 00:00:00

abstract：:To search for possible cancer chemopreventive agents from natural sources, we performed primary screening of metabolites of Alternaria porri by examining their possible inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol-13-acetate (TPA) in Raji cells. The et...

journal_title：Natural product research

authors： Horiuchi M,Tokuda H,Ohnishi K,Yamashita M,Nishino H,Maoka T

更新日期：2006-02-01 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：:One new havanensin-type limonoid (1) named trisinlin A with two known compounds (4E,8E)-2-[2'-hydroxyhexadecanoyl amino]-4,8-octadecadiene-1,3-diol (2), 9-octadecenoic acid-2',3'-dihydroxypropyl ester (3) were isolated from the roots of Trichilia sinensis. The structure of the new compound was unambiguously determined...

journal_title：Natural product research

authors： Liu SB,Chen HQ,Feng G,Guo ZK,Cai CH,Wang J,Mei WL,Dai HF

更新日期：2018-12-01 00:00:00

abstract：:The aryltetralin lignans 6-methoxypodophyllotoxin, 5'-demethoxy-6-methoxypodophyllotoxin as well as the corresponding 8'-epimers 6-methoxypicropodophyllin, and 5'-demethoxy-6-methoxypicropodophyllin were isolated from suspension cultures of Linum cariense, and 4'-demethyl-6-methoxypodophyllotoxin together with 6-metho...

journal_title：Natural product research

authors： Konuklugil B,Ionkova I,Vasilev N,Schmidt TJ,Windhövel J,Fuss E,Alfermann AW

更新日期：2007-01-01 00:00:00

abstract：:Two new alkaloids 6-hydroxyethyldihydrochelerythrine (1) and 6-hydroxymethyl-7,8-demethylenedihydrochelerythrine (2) together with two analogues named maclekarpine E (3) and 6-hydroxymethyldihydrosanguinarine (4) were detected primarily from the leaves of Macleaya cordata by their characteristic mass spectrometry (MS)...

journal_title：Natural product research

authors： Qing ZX,Yang P,Yu K,Yang XY,Liu JH,Xiang F,Cao HL,Cheng P,Zeng JG

更新日期：2017-07-01 00:00:00

abstract：:Chromatographic fractionation of the chloroform extracts from the stem bark and stems of Guettarda grazielae resulted in the isolation of a new iridoid (guettardodiol, 1) and the secoiridoid sarracenin (2), described for the first time in this genus. The structural elucidation of these compounds was based on spectrosc...

journal_title：Natural product research

authors： Moura FS,Lima GS,Meneghetti MR,Lyra Lemos RP,Conserva LM

更新日期：2011-10-01 00:00:00

abstract：:A new benzophenone glycoside, mitraphenone A (1), together with three known compounds (2-4) were isolated from the leaves of the traditionally used medicinal plant Mitracarpus villosus (Rubiaceae) collected in Nigeria. A combination of one- and two-dimensional NMR spectroscopic and mass spectrometric measurements were...

journal_title：Natural product research

authors： Ngwoke KG,Orame N,Liu S,Okoye FBC,Daletos G,Proksch P

更新日期：2017-10-01 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：:A new protopine alkaloid, protomexicine and a new isoflavonoid, mexitin, together with 8-methoxydihydrosanguinarine, 13-oxoprotopine, rutin and quercetrin have been isolated from the aerial part of the methanolic extract of Argemone mexicana. The structures of these compounds have been established by various spectral ...

journal_title：Natural product research

authors： Singh S,Pandey VB,Singh TD

更新日期：2012-01-01 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：:The present study has been focused on the extraction of natural pigments from tomato industry waste. At first, different solvents and solvents mixture were compared to determine which one is the best for extracting carotenoids compounds from tomato by-products. A mixture of hexane and acetone gave the highest caroteno...

journal_title：Natural product research

authors： Baaka N,El Ksibi I,Mhenni MF

更新日期：2017-01-01 00:00:00

abstract：:Here is reported the anti Leishmania infantum activity of 48 hexane, CH2Cl2 and MeOH extracts from 16 macroalgae collected on the Iberian Coast. Seven hexane and CH2Cl2Cystoseira baccata, Cystoseira barbata, Cystoseira tamariscifolia, Cystoseira usneoides, Dictyota spiralis and Plocamium cartilagineum extracts were ac...

journal_title：Natural product research

authors： Bruno de Sousa C,Lago JHG,Macridachis J,Oliveira M,Brito L,Vizetto-Duarte C,Florindo C,Hendrickx S,Maes L,Morais T,Uemi M,Neto L,Dionísio L,Cortes S,Barreira L,Custódio L,Alberício F,Campino L,Varela J

更新日期：2019-06-01 00:00:00

abstract：:The leaves of Alchornea floribunda and Alchornea cordifolia are used traditionally as topical anti-inflammatory agents. In this study, two highly lipophilic fractions AFLF and ACLF isolated from A. floribunda and A. cordifolia leaves respectively were investigated for topical anti-inflammatory effects using xylene-ind...

journal_title：Natural product research

authors： Okoye FB,Osadebe PO,Nworu CS,Okoye NN,Omeje EO,Esimone CO

更新日期：2011-12-01 00:00:00

abstract：:Chemical investigation of an ethyl acetate soluble fraction of Sinularia polydactyla (Ehrenberg) led to the isolation of three known terpenoides, two of them sterols, 24-methylcholestane-3β,5α,6β,25-tetrol 25-monoacetate (1), 24-methylcholestane-5-en-3β,25-diol (2), in addition to a cembranoid diterpene, durumolide C ...

journal_title：Natural product research

authors： Aboutabl el-SA,Azzam SM,Michel CG,Selim NM,Hegazy MF,Ali AH,Hussein AA

更新日期：2013-01-01 00:00:00

abstract：:Botryodiplodia theobromae Pat. belongs to the endophytic fungi that live within the tissues of medicinal plants and produce bioactive natural products. The endophyte was isolated from the leaves of Dracaena draco L. The LC-MS-based metabolite fingerprinting of the ethyl acetate extract of B. theobromae with antibacter...

journal_title：Natural product research

authors： Zaher AM,Moharram AM,Davis R,Panizzi P,Makboul MA,Calderón AI

更新日期：2015-01-01 00:00:00

abstract：:Two new eremophilenolides, ligushicins A (1) and B (2), and two known compounds including β-sitosterol and ursolic acid were isolated from Ligulariopsis shichuana. The structures of new compounds were established on the basis of 1D and 2D NMR data and HRESIMS data interpretation. The absolute configuration of new comp...

journal_title：Natural product research

authors： Wu H,Liu T,Lian Y,Wang W

更新日期：2019-05-01 00:00:00

abstract：:The chemical composition and antioxidant activities of the essential oil from Nandina domestica fruits were studied for the first time. Twenty-two compounds, representing 82.79% of the oil, were identified from the oil. The major compounds were 3-hexen-1-ol (12.9%), linalool (12.3%), 2-methoxy-4-vinylphenol (9.9%), ol...

journal_title：Natural product research

authors： Bi SF,Zhu GQ,Wu J,Li ZK,Lv YZ,Fang L

更新日期：2016-01-01 00:00:00

abstract：:The aim of the study was comparing the chemical composition of the essential oils from five varieties of lavender (Lavandula angustifolia L.), and its biological activity against two pathogenic bacteria, Staphylococcus aureus and Pseudomonas aeruginosa. In the comparison we included the following varieties: 'Munstead'...

journal_title：Natural product research

authors： Adaszyńska M,Swarcewicz M,Dzięcioł M,Dobrowolska A

更新日期：2013-01-01 00:00:00

abstract：:An activity-guided isolation and purification process was used to identify the l,l-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging components of the food plant (Terminalia arjuna) of Antheraea mylitta. Dry leaves of T. arjuna were extracted with different solvents and tested for their antioxidant activity aga...

journal_title：Natural product research

authors： Singh PP,Chauhan SM

更新日期：2014-01-01 00:00:00

abstract：:Cumin (Cuminum cyminum) is an annual plant from Apiaceae family that is cultivated in Iran as landraces. The most important chemical composition of the cumin essential oil was cuminaldehyde. In this research, the effect of different landraces and growth regulators was evaluated on callus induction, and best callus was...

journal_title：Natural product research

authors： Farvardin A,Ebrahimi A,Hosseinpour B,Khosrowshahli M

更新日期：2017-09-01 00:00:00

abstract：:The comet assay-guided fractionation of the twigs of Manglietia hookeri resulted in the isolation of three sesquiterpene-neolignans, including a new one 5-allyl-2-(4-allyl-phenoxy)-3-[7-(1-hydroxy-1-methyl-ethyl)-1, 4a-dimethyl-decahydro-naphthalen-1-yloxy]-phenol (1), and eudesobovatol A (2) and eudesobovatol B (3), ...

journal_title：Natural product research

authors： Hu X,Sui X,Wang Y,Wang W,Wu H,Zhang F,Tan Y,Zhang F

更新日期：2016-07-01 00:00:00

abstract：:In this study the antioxidant and cytotoxicity activity of the Adonidia merrillii fruits were investigated using different solvent polarities (methanol, ethyl acetate and water). The results showed that the total phenolic and flavonoid contents of the methanolic extract was higher compare with other extract with respe...

journal_title：Natural product research

authors： Vafaei A,Bin Mohamad J,Karimi E

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：:One new neolignan glycoside, dolomiside A (1), together with 11 known phenylpropanoid glycosides were isolated from Dolomiaea souliei (Franch.) Shih. The structures of these isolates were determined by UV, CD, HR-ESI-TOFMS, 1D and 2D NMR analysis. ...

journal_title：Natural product research

authors： Yi M,Meng FC,Qu SY,Tao YY,Liao ZH,Chen M

更新日期：2020-04-01 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：: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：: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：:4-Methoxybenzene-1-ONN-azoxyformamide (1), 4-methoxybenzene-1-azoformamide (2), 4-hydroxyben-zene-1-azoformamide (3) and 4-hydroxybenzene-1-ONN-azoxyformamide (4) were isolated from the fruiting bodies of Calvatia craniiformis and Lycoperdon hiemale, respectively. Compounds 1 and 4 showed radicle growth inhibitory act...

journal_title：Natural product research

authors： Kamo T,Kashiwabara M,Tanaka K,Ando S,Shibata H,Hirota M

更新日期：2006-05-10 00:00:00

abstract：:Three allylbenzenes from Asiasarum heterotropoides, methyleugenol (1), elemicin (2) and gamma-asaron (3) showed suppressive effects on umu gene expression of the SOS response in the Salmonella typhimurium OY1001/1A2 umu test against the mutagen 2-amino-3,4-dimethylimidazo[4,5-f ]quinoline (MeIQ). Gene expression was s...

journal_title：Natural product research

authors： Miyazawa M,Kohno G,Okuno Y,Oda Y

更新日期：2006-06-01 00:00:00