Five new cycloartane triterpenoids from Beesia calthifolia.

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：:More attention was paid to the anti-tumor activity of Rhizoma Paridis (RP) recently, of which the wild resource was decreased significantly. This study was aimed to elucidate the chemical characteristics of Paris fargesii var. brevipetala (PFB) that may be administrated as alternate resource of legal RP. A HPLC-ELSD m...

journal_title：Fitoterapia

authors： Wen F,Yin H,Chen C,Liu X,Xue D,Chen T,He J,Zhang H

更新日期：2012-06-01 00:00:00

abstract：:Phytochemical investigation on the stem bark of Toona sinensis was carried out by various chromatographic techniques resulting in the isolation and elucidation of two novel tirucallane triterpenoids, named (20S)-3-oxo-tirucalla-25-nor-7-en-24-oic acid (1) and (20S)-5α,8α-epidioxy-3-oxo-24-nor-6.9(11)-dien-23-oic acid ...

journal_title：Fitoterapia

authors： Tang J,Xu J,Zhang J,Liu WY,Xie N,Chen L,Feng F,Qu W

更新日期：2016-07-01 00:00:00

abstract：:Besides the unquestionable positive effects of solar exposure for human health, UV rays have been widely investigated for toxicology aspects related to excessive UVB and UVA doses, which involve sunburns, skin aging, DNA skin damage and tumorigenesis. At present, synthetic and mineral sunscreens are used to protect ag...

journal_title：Fitoterapia

authors： Radice M,Manfredini S,Ziosi P,Dissette V,Buso P,Fallacara A,Vertuani S

更新日期：2016-10-01 00:00:00

abstract：:Two prenylated isoflavanones (1) and (2) were isolated from the stem bark of Lespedeza bicolor along with the known compounds ethyl caffeate, caffeic acid, protocatechuic acid, betulinic acid, betulin, beta-sitosterol and from the stem heartwood daidzein and isoliquiritigenin. ...

journal_title：Fitoterapia

authors： Maximov OB,Kulesh NI,Stepanenko LS,Dmitrenok PS

更新日期：2004-01-01 00:00:00

abstract：:The purpose of this study is to elucidate the bioactive components responsible for the the α-glucosidase inhibitory activity detected in the EtOAc extract of the mushroom Hydnellum concrescens. Two new p-terphenyl derivatives, concrescenins A (1) and B (2), in along with six known compounds thelephantins L (3), I (4),...

journal_title：Fitoterapia

authors： Wang SM,Han JJ,Ma K,Jin T,Bao L,Pei YF,Liu HW

更新日期：2014-10-01 00:00:00

abstract：:A new coumestan, 1,3,9-trihydroxy-8-methoxycoumestan, named flemicoumestan A 1 together with nine isoflavone-related compounds were isolated from the ethyl acetate extract of the roots of Flemingia philippinensis. Their structures were elucidated and confirmed by spectroscopic methods and literature data. Compounds 3 ...

journal_title：Fitoterapia

authors： Li L,Deng X,Zhang L,Shu P,Qin M

更新日期：2011-06-01 00:00:00

abstract：:Phytochemical investigation of methanolic extract of the whole plants of Vaccinium emarginatum allowed for the characterization of one epicatechin derivative (1) that was isolated from a natural source for the first time and three new flavonoids, emarginin A (2), emarginin B (3), and emarginin C (4), together with 11 ...

journal_title：Fitoterapia

authors： Tu PC,Liang YC,Huang GJ,Huang HC,Kao MC,Lu TL,Kuo YH

更新日期：2020-03-01 00:00:00

abstract：:Fractions prepared from the methanol extract of Buchholzia coriacea stem bark exhibited a high concentration-dependent antibacterial and antifungal activity compared to the standard antibiotics, ampicillin and tioconazole. In the brine shrimp lethality (BSL) assay, the methanol extract was found to be non-toxic with a...

journal_title：Fitoterapia

authors： Ajaiyeoba EO,Onocha PA,Nwozo SO,Sama W

更新日期：2003-12-01 00:00:00

abstract：:A fast and efficient method for the isolation of the C-glucosidated xanthones mangiferin and isomangiferin from the South-African plant Cyclopia genistoides was developed for the first time. The procedure involved extraction, liquid-liquid partitioning with ethyl acetate and subsequent precipitation of mangiferin and ...

journal_title：Fitoterapia

authors： Kokotkiewicz A,Luczkiewicz M,Pawlowska J,Luczkiewicz P,Sowinski P,Witkowski J,Bryl E,Bucinski A

更新日期：2013-10-01 00:00:00

abstract：:Seven new lignan glycosides (1-3, 8-10, and 14) and 17 known compounds were isolated from the branches of Alangium kurzii Craib var. laxifolium. Their structures were established by spectroscopic analysis and circular dichroism (CD) and X-ray analysis. The isolated compounds were evaluated for their antibacterial acti...

journal_title：Fitoterapia

authors： Ren J,Xie YG,Huang YY,Zhu SL,Yan SK,Jin HZ,Zhang WD

更新日期：2017-09-01 00:00:00

abstract：:Three new cycloartane triterpenoids (1-3) and two known compounds (4, 5) were isolated from the whole plant of Beesia calthaefolia. Their structures were elucidated by 1D and 2D NMR, HRESIMS and optical rotation spectral data. All isolates were investigated for their inhibitory effects on the classical pathway of the ...

journal_title：Fitoterapia

authors： Mu LH,Li HJ,Guo DH,Zhao JY,Liu P

更新日期：2014-01-01 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：: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 methanol extract and four triterpenoids isolated from the seeds of Caesalpinia bonducella showed a wide range of inhibiting activity against both gram-positive and gram-negative bacteria. ...

journal_title：Fitoterapia

authors： Saeed MA,Sabir AW

更新日期：2001-11-01 00:00:00

abstract：:A sensitive and specific HPLC method was developed to analyze baicalin in rat plasma. The author had compared the pharmacokinetics of baicalin after oral administration of HLJDT decoction or pure baicalin in MCAO and sham-operated rats. All the rats were divided into two groups, MCAO and sham-operated rats. Each group...

journal_title：Fitoterapia

authors： Zeng MF,Pan LM,Zhu HX,Zhang QC,Guo LW

更新日期：2010-09-01 00:00:00

abstract：:Four new taraxerane triterpenoids, 1β,3β-dihydroxy-11α,12α-oxidotaraxerane (1), 28-hydroxy-11α,12α-oxidotaraxerane-3-one (2), 3β-hydroxy-11α,12α-oxidotaraxerane-28-al (3), and 3-O-acetyl-11α,12α-oxidotaraxerane-28-al (4), together with three known compounds 3β-hydroxy-11α,12α-oxidotaraxerane (5), 3β,28-dihydroxy-11α,1...

journal_title：Fitoterapia

authors： Hu J,Shi X,Chen J,Huang H,Zhao C

更新日期：2012-01-01 00:00:00

abstract：AIM:The current study was designed to explore the mechanism of the prokinetic activity of Gentiopicroside (Ge), from Gentiana macrophylla Pall which is widely used to strengthen gastric motility in clinic. METHODS:Gastrointestinal motility disorder rats were induced by stress stimulation and the rats were treated with...

journal_title：Fitoterapia

authors： Ruan M,Yu B,Xu L,Zhang L,Long J,Shen X

更新日期：2015-06-01 00:00:00

abstract：:Caper (Capparis L.), a shrub plant with a large natural distribution, is used in traditional medicines to cure various illnesses. Phytochemicals studies have shown the presence of many beneficial compounds such as spermidine, rutin, quercetin, kaempferol, stigmasterol, campesterol, tocopherols, and carotenoids. Biolog...

journal_title：Fitoterapia

authors： Tlili N,Elfalleh W,Saadaoui E,Khaldi A,Triki S,Nasri N

更新日期：2011-03-01 00:00:00

abstract：:The antinociceptive properties of the aqueous extract of Eupatorium buniifolium aerial parts were investigated in chemical and thermal models of nociception in mice. Oral doses of 250 and 500 mg/kg produced an inhibition of 42.3% and 73.9%, respectively, of the abdominal writhes induced by acetic acid in mice. This an...

journal_title：Fitoterapia

authors： Miño J,Muschietti L,Ferraro G,Martino V,Acevedo C

更新日期：2005-01-01 00:00:00

abstract：:Citotoxicity (inhibition of cell division in fertilized eggs of Loxechinus albus) and general toxicity (using embryos of Artemia salina) of plants belonging to the genera Senecio, Deschampsia, Alstroemeria, Anarthrophyllum, Chloraea and Geranium were investigated. ...

journal_title：Fitoterapia

authors： Cuadra P,Furrianca M,Oyarzún A,Yáñez E,Gallardo A,Fajardo V

更新日期：2005-12-01 00:00:00

abstract：:Different lines of experimental evidence indicate that treatment with extracts from and derivatives of Phaseolus vulgaris reduces intake of food, including highly palatable foods and beverages, in rats. The present study was designed to extend to mice these lines of evidence. To this end, CD1 mice were treated acutely...

journal_title：Fitoterapia

authors： Loi B,Fantini N,Colombo G,Gessa GL,Riva A,Bombardelli E,Morazzoni P,Carai MA

更新日期：2013-03-01 00:00:00

abstract：:The methanol extract of Leucas aspera flowers, its fractions, the alkaloidal residue and the expressed flower juice, tested for antimicrobial activity, showed good antibacterial activity for methanol extract and methanol fraction with maximum activity for the alkaloidal residue. ...

journal_title：Fitoterapia

authors： Mangathayaru K,Lakshmikant J,Shyam Sundar N,Swapna R,Grace XF,Vasantha J

更新日期：2005-12-01 00:00:00

abstract：:The methanol extracts of leaves, root and stem barks of Horsfieldia helwigii and Melia azedarach showed a broad spectrum of antibacterial activity. The activity was increased on fractionation (petrol, dichloromethane, ethyl acetate), particularly in the petrol fraction of the leaves of H. helwigii and dichlorometane f...

journal_title：Fitoterapia

authors： Khan MR,Kihara M,Omoloso AD

更新日期：2001-05-01 00:00:00

abstract：:StAPs are potato aspartic proteases with cytotoxic activity against plant pathogens and spermatozoa. StAPs cytotoxic activity is selective, since these proteins do not exert toxic effect on plant cells and erythrocytes. In this work, we investigated the capacity of StAPs to exert cytotoxicity on human leukaemia cells....

journal_title：Fitoterapia

authors： Mendieta JR,Fimognari C,Daleo GR,Hrelia P,Guevara MG

更新日期：2010-07-01 00:00:00

abstract：:The isolation of five flavonol glycosides (1-5) from the flowers of Aconitum vulparia is reported, together with the 1H- and 13C-NMR spectral data in CD(3)OD of compound 3 and 5. ...

journal_title：Fitoterapia

authors： Fico G,Braca A,Morelli I,Tomè F

更新日期：2003-06-01 00:00:00

abstract：:Antibacterial screening of petroleum ether, chloroform, ethyl acetate, methanol and aqueous extracts of Eupatorium glandulosum leaves exhibited a broad spectrum of inhibitory activity against Gram (+) and Gram (-) pathogenic bacteria. ...

journal_title：Fitoterapia

authors： Sasikumar JM,Doss AP,Doss A

更新日期：2005-03-01 00:00:00

abstract：:Solanum nigrum L. (also called as European black nightshade) has been traditionally used as folk medicine and food in some regions. Phytochemical investigations of the immature fruits of S. nigrum yielded five steroidal alkaloid glycosides (1-5), including an unprecedented nor-spirosolane type steroidal alkaloid with ...

journal_title：Fitoterapia

authors： Xiang L,Wang Y,Yi X,He X

更新日期：2019-09-01 00:00:00

abstract：:A new triterpene glycoside (1) along with the known intercedenside B (2) was isolated from the sea cucumber Pseudocolochirus violaceus. Glycoside 1 was elucidated as 3-O-{6-O-sodiumsulfate-3-O-methyl-beta-D-glucopyranosyl-(1-->3)-beta-D-xylopyranosyl-(1-->4)-[beta-D-xylopyranosyl(1-->2)]-beta-D-quinovopyranosyl-(1-->2...

journal_title：Fitoterapia

authors： Zhang SY,Tang HF,Yi YH

更新日期：2007-06-01 00:00:00

abstract：:Dragon's blood is a rare and precious traditional medicine used by different cultures since ancient times. However, studies on enhancing the rapid accumulation of dragon's blood in Dracaena cambodiana and determining its formation mechanism are unavailable. In this study, the activities of two fungi, namely, BJDC01 an...

journal_title：Fitoterapia

authors： Cui JL,Wang CL,Guo SX,Xiao PG,Wang ML

更新日期：2013-06-01 00:00:00