Ursene type nortriterpene from Debregeasia salicifolia.

abstract：:Eight new flavonoids daemoflavans A-H, including two dimeric proanthocyanidins (1 and 2), four flavans (3-6), two 2-arylbenzofurans (7 and 8), along with nine known compounds (9-17), were isolated from the fruit of Daemonorops draco. Their structures, including the absolute configurations, were elucidated by extensive...

journal_title：Fitoterapia

authors： Wang YY,Dai YW,Cao J,Chen YT,Zhao CX,Jiang L

更新日期：2020-06-01 00:00:00

abstract：:Curcuminoids possess powerful antioxidant activity as demonstrated in many chemical in vitro tests and in several in vivo trials. Nevertheless, the mechanism of this activity is not completely elucidated and studies on the in vivo antioxidant effects are still needed. Metabolomics may be used as an attractive approach...

journal_title：Fitoterapia

authors： Dall'Acqua S,Stocchero M,Boschiero I,Schiavon M,Golob S,Uddin J,Voinovich D,Mammi S,Schievano E

更新日期：2016-03-01 00:00:00

abstract：:Chemical investigation of the liquid culture of the endophytic fungus Bipolaris sorokiniana A606, which was isolated from the medicinal plant Pogostemon cablin resulted in the isolation of four new cytotoxic compounds, named isocochlioquinones D-E (1-2) and cochlioquinones G-H (3-4), along with five known cochlioquino...

journal_title：Fitoterapia

authors： Wang M,Sun ZH,Chen YC,Liu HX,Li HH,Tan GH,Li SN,Guo XL,Zhang WM

更新日期：2016-04-01 00:00:00

abstract：:Three new furoquinoline alkaloids, leptanoines A-C (1-3) along with three known compounds (4-6) were isolated from the leaves of Evodia lepta. Their structures were identified by interpretation of their spectroscopic data as well as comparison with those reported in the literature. In addition, all isolated compounds ...

journal_title：Fitoterapia

authors： Sichaem J,Jirasirichote A,Sapasuntikul K,Khumkratok S,Sawasdee P,Do TM,Tip-pyang S

更新日期：2014-01-01 00:00:00

abstract：:The estrogenicity of different batches of red clover (Trifolium pratense L., Fabaceae; RCL) extracts and its relationship with the isoflavone content were assessed by measuring MCF-7 cell proliferation by flow cytometry and propidium iodide staining. RCL extracts were compared to estradiol (E2) and to the main RCL iso...

journal_title：Fitoterapia

authors： Spagnuolo P,Rasini E,Luini A,Legnaro M,Luzzani M,Casareto E,Carreri M,Paracchini S,Marino F,Cosentino M

更新日期：2014-04-01 00:00:00

abstract：:A series of novel myricetin derivatives containing benzimidazole skeleton were constructed. The structure of compound 4g was further corroborated via X-ray single crystal diffractometer. The antimicrobial bioassays showed that all compounds exhibited potent inhibitory activities against Xanthomonas axonopodis pv. Citr...

journal_title：Fitoterapia

authors： Chen M,Tang X,Liu T,Peng F,Zhou Q,Luo H,He M,Xue W

更新日期：2020-12-11 00:00:00

abstract：:An ethnobotanical and ethnopharmacognostic survey has been carried out in one of the most isolated mountainous area in Europe: the village of Lepushe and its surrounding territory, in the Northern Albanian Alps. Approximately 70 botanical taxa and 160 preparations, mainly derived from plants, but also derived from ani...

journal_title：Fitoterapia

authors： Pieroni A,Dibra B,Grishaj G,Grishaj I,Gjon Maçai S

更新日期：2005-06-01 00:00:00

abstract：:1,2-Dihydroxyanthraquinone (1) was isolated from the seed of Cassia obtusifolia through bioassay-guided fractionation. 1,2-Dihydroxyanthraquinone strongly inhibited the growth of Clostridium perfringens and Escherichia coli. Structure-activity relationship revealed that 1,4-dihydroxyanthraquinone (2) and 1,8-dihydroxy...

journal_title：Fitoterapia

authors： Sung BK,Kim MK,Lee WH,Lee DH,Lee HS

更新日期：2004-07-01 00:00:00

abstract：:Sardinian wild Euphorbia pithyusa, E. semiperfoliata, E. dendroides and E. characias seed oils were analyzed for their fatty acids, unsaponifiable and tocopherol content. Total tocopherol content showed a wide variability, ranging from 939 mg/kg in E. semiperfoliata seeds to its absence in E. characias. The results on...

journal_title：Fitoterapia

authors： Bruni R,Muzzoli M,Ballero M,Loi MC,Fantin G,Poli F,Sacchetti G

更新日期：2004-01-01 00:00:00

abstract：:Diabetes is a worldwide healthy concern, which affects approximately 9% of the population. Tetrahydrocurcumin (THC) is the main metabolite of curcumin, which exerts the anti-diabetic activity. However, the underlying mechanism has not been clarified. In the research, we investigated whether THC could improve diabetes ...

journal_title：Fitoterapia

authors： Yuan T,Yin Z,Yan Z,Hao Q,Zeng J,Li L,Zhao J

更新日期：2020-10-01 00:00:00

abstract：:The 10% ethanol extract of the aerial parts of Calligonum comosum (50--400 mg/kg, i.p.) significantly reduced the increase in hind paw oedema induced by carrageenan in rats. Following sub-acute oral administration of the extract (50 and 100 mg/kg, daily for 14 days), a significant anti-inflammatory activity in the cot...

journal_title：Fitoterapia

authors： Liu XM,Zakaria MN,Islam MW,Radhakrishnan R,Ismail A,Chen HB,Chan K,Al-Attas A

更新日期：2001-06-01 00:00:00

abstract：:Crocetin (5-20 microg/ml), quercetin (10-40 microg/ml), and cisplatin (60-180 microg/ml) used as a positive control drug, were tested against human rhabdomyosarcoma (RD) cells and African green monkey kidney (Vero) cells. The cell viability, morphological changes, and lactate dehydrogenase activity were assessed. RD c...

journal_title：Fitoterapia

authors： Jagadeeswaran R,Thirunavukkarasu C,Gunasekaran P,Ramamurty N,Sakthisekaran D

更新日期：2000-08-01 00:00:00

abstract：:Four known flavonoids were isolated from the aerial parts of Salvia moorcroftiana. ...

journal_title：Fitoterapia

authors： Ahmad VU,Ali Z,Zahid M,Alam N,Saba N,Khan T,Qaisar M,Nisar M

更新日期：2000-02-01 00:00:00

abstract：:Two new dimeric diarylheptanoids, named Alpinin C (1) and D (2), a new natural product of diarylheptanoid (3) along with three known diarylheptanoids (4-6) were isolated from the rhizomes of Alpinia officinarum Hance. Their structures were elucidated based on extensive spectroscopic analyses (1D and 2D NMR, HRTOFMS, I...

journal_title：Fitoterapia

authors： Liu D,Liu YW,Guan FQ,Liang JY

更新日期：2014-07-01 00:00:00

abstract：:Five pairs of new 2-oxoindole alkaloids, (±)-peganumalines A-E (1-5), and a new indole alkaloid, peganumaline F (6), along with two known analogues, were isolated from the seeds of Peganum harmala. Their structures and absolute configurations were elucidated through spectroscopic analyses and quantum chemistry calcula...

journal_title：Fitoterapia

authors： Wang KB,Hu X,Li SG,Li XY,Li DH,Bai J,Pei YH,Li ZL,Hua HM

更新日期：2018-03-01 00:00:00

abstract：:The gastrointestinal activity of hydroalcoholic extract (HE) of Salvia officinalis was evaluated in a model of ethanol-induced gastric lesion. HE showed excellent activity, with ID(50) 84.0 (54.8-128.9) mg/kg. The acetic acid-induced ulcer and the total acidity of the gastric secretion were also reduced by HE, and, in...

journal_title：Fitoterapia

authors： Mayer B,Baggio CH,Freitas CS,dos Santos AC,Twardowschy A,Horst H,Pizzolatti MG,Micke GA,Heller M,dos Santos EP,Otuki MF,Marques MC

更新日期：2009-10-01 00:00:00

abstract：:Five new sesquiterpenes (1-5) along with ten known ones were isolated from the heartwood of Dalbergia odorifrea T. Chen. Their structures were determined by spectroscopic techniques including MS, UV, IR, 1D and 2D NMR. Bioassay results showed that compounds 1 and 9 had inhibitory effect on Candida albicans, and compou...

journal_title：Fitoterapia

authors： Wang H,Dong WH,Zuo WJ,Liu S,Zhong HM,Mei WL,Dai HF

更新日期：2014-06-01 00:00:00

abstract：:This review reports the last decade acquisitions on grapefruit. New coumarins and limonoids were isolated and characterised. The bioavailability of many drugs was tested with grapefruit juice (GJ) coadministration; the inhibition on cytochrome P450 seems due to a synergic action between flavonoids and coumarins. Antim...

journal_title：Fitoterapia

authors： Tirillini B

更新日期：2000-08-01 00:00:00

abstract：:Oplopanax horridus or devil's club is a herbal medicine distributed in North America. The constituents and pharmacological activities of O. horridus (OPH) are largely unknown. In this study, we assayed OPH stem and berry extracts using high performance liquid chromatography (HPLC). The anticancer potentials of extract...

journal_title：Fitoterapia

authors： Wang CZ,Aung HH,Mehendale SR,Shoyama Y,Yuan CS

更新日期：2010-03-01 00:00:00

abstract：:Largely widespread in tropical countries, Ocimum gratissimum has been claimed for many uses in folk medicine. Recent research on its essential oils showed five chemotypes. An Indian chemotype, with a high level of ethyl cinnamate, presents, in vitro, an interesting spectrum of antifungal properties. ...

journal_title：Fitoterapia

authors： Dubey NK,Tiwari TN,Mandin D,Andriamboavonjy H,Chaumont JP

更新日期：2000-09-01 00:00:00

abstract：:The present study was aimed to investigate the possible interaction of the standardized extract of Acorus calamus (AC) with Cytochrome P450 enzyme, quantitative determination of the α-asarone in the AC rhizome was performed by RP-HPLC method. In vitro interaction of the plant extract was evaluated by CYP450-carbon mon...

journal_title：Fitoterapia

authors： Pandit S,Mukherjee PK,Ponnusankar S,Venkatesh M,Srikanth N

更新日期：2011-04-01 00:00:00

abstract：:Bioassay-directed separation of the chloroform extracts from the air-dried aerial part of Alhagi pseudalhagi (M.B.) led to the isolation of a new isoflavonolignan (1), together with five known isoflavones (2-6) (Fig. 1). Their structures were identified on the basis of spectral analysis of NMR, MS, IR, UV and CD spect...

journal_title：Fitoterapia

authors： Li N,Zhang G,Xiong Y,Makhabel B,Li X,Jia X

更新日期：2010-12-01 00:00:00

abstract：:The genus Cyclopia (Fabaceae family) includes a number of shrubs endemic to Cape Fynbos region of South Africa. The most common of these plants is Cyclopia intermedia E. Mey., used together with other Cyclopia species (mainly C. subternata and C. sessiliflora) to manufacture the honeybush herbal tea which has been pro...

journal_title：Fitoterapia

authors： Kokotkiewicz A,Luczkiewicz M

更新日期：2009-01-01 00:00:00

abstract：:One alkyl glycoside, saussurostelloside A (1), two phenolic glycosides, saussurostellosides B1 (2) and B2 (3), and 27 known compounds, including eleven flavonoids, seven phenolics, six lignans, one neolignan, one phenethyl glucoside and one fatty acid, were isolated from an ethanol extract of Saussurea stella (Asterac...

journal_title：Fitoterapia

authors： Wang TM,Wang RF,Chen HB,Shang MY,Cai SQ

更新日期：2013-07-01 00:00:00

abstract：:Chemical investigation of the n-butanol extract from the methanol extract of the root bark of Artocarpus nobilis furnished four new prenylated flavonoids together with artonin E 2'-methylether (4), isoartonin E 2'-methylether (5), dihydroisoartonin E 2'-methylether (6), artonin V 2'-methylether (7), artobiloxanthone (...

journal_title：Fitoterapia

authors： Jayasinghe UL,Samarakoon TB,Kumarihamy BM,Hara N,Fujimoto Y

更新日期：2008-01-01 00:00:00

abstract：:Ethanolic extract of Rungia repens aerials parts (300 and 600 mg/kg p.o) showed diuretic activity in rats. The acute toxicity, orally evaluated in mice, was found to be higher than 3000 mg/kg. ...

journal_title：Fitoterapia

authors： Basu SK,Arivukkarasu R

更新日期：2006-02-01 00:00:00

abstract：:Three new mixed terpenoids, tricycloalternarenes (TCAs) F-H (1-3), together with ten known tricycloalternarenes (4-13), were isolated from the Czapek's culture of an endophytic fungus Ulocladium sp. Their structures were identified by extensive spectroscopic experiments (NMR and MS) and comparison with literature data...

journal_title：Fitoterapia

authors： Wang QX,Bao L,Yang XL,Guo H,Ren B,Guo LD,Song FH,Wang WZ,Liu HW,Zhang LX

更新日期：2013-03-01 00:00:00

abstract：:The antioxidant activity of the methanol extract of Hypericum triquetrifolium Turra (Hypericaceae) aerial part and of flavonoids isolated therein, I3,II8-biapigenin, quercetin-3-O-galactoside, kaempferol-3-O-glycoside, (-)-epicatechin and hypericin, was evaluated. The IC(50) resulted between 0.062 and 1 mg/ml. ...

journal_title：Fitoterapia

authors： Conforti F,Statti GA,Tundis R,Menichini F,Houghton P

更新日期：2002-10-01 00:00:00

abstract：:Four new cycloartane triterpenoids, 1α,3β-dihydroxy-16-keto-24(31)-en-cycloartane (1), 31-methoxyl-passifloic acid (2), cyclopassifloside XIV (3), and cyclopassifloside XV (4), together with six known compounds (5-10) were isolated from Passiflora edulis Sims. Their structures were elucidated on the basis of extensive...

journal_title：Fitoterapia

authors： Xu FQ,Wang N,Fan WW,Zi CT,Zhao HS,Hu JM,Zhou J

更新日期：2016-12-01 00:00:00

abstract：:Two novel 2-arylbenzofuran dimers, shandougenines A (1) and B (2), and two new polyisoprenylated flavanones 3 (shandougenine C) and 4 (shandougenine D) were isolated from the 95% EtOH extract of Sophora tonkinensis, together with 18 known compounds. Their structures were determined on the basis of spectral data interp...

journal_title：Fitoterapia

authors： Luo G,Yang Y,Zhou M,Ye Q,Liu Y,Gu J,Zhang G,Luo Y

更新日期：2014-12-01 00:00:00