New oxypregnane glycosides from Caralluma penicillata.

abstract：:A phytochemical study of the roots of Pongamia pinnata afforded 29 flavanones and flavanols, including 7 previously undescribed compounds. The structures of the isolated compounds were determined by 1D and 2D NMR and mass spectroscopy data. The absolute configurations of the compounds were assigned via analysis of the...

journal_title：Planta medica

authors： Wen R,Lv H,Jiang Y,Tu P

更新日期：2018-11-01 00:00:00

abstract：:The culture medium of Beauveria amorpha Hohn. exhibited strong radical scavenging properties. Activity-directed fractionation assisted by a radical scavenging assay on TLC afforded two active compounds which were identified as 6-methyl-2,4-dihydroxyphenyl 4-O-methyl-beta-D-glucopyranoside (1) and (-)-terredionol (2). ...

journal_title：Planta medica

authors： Hu F,Schmidt K,Stoyanova S,Zengzhi L,Gräfe U,Hamburger M

更新日期：2002-01-01 00:00:00

abstract：:We previously reported that total coumarins, the major active components of Urtica dentata Hand, exhibited substantial protection against the development of autoimmune diabetes. Diabetic nephropathy is one of the most serious complications of diabetes and is closely correlated with end-stage renal disease. We used the...

journal_title：Planta medica

authors： Cao H,Ji Y,Li W,Liu Y,Fu R,Xiang M

更新日期：2015-10-01 00:00:00

abstract：:Purification of a cytotoxic crude alkaloid extract of Cassytha filiformis led to the isolation of four known aporphine alkaloids: neolitsine, dicentrine, cassythine (= cassyfiline) and actinodaphnine. Their structures were determined by analysis of spectroscopic data. All isolated alkaloids were tested for their cytot...

journal_title：Planta medica

authors： Stévigny C,Block S,De Pauw-Gillet MC,de Hoffmann E,Llabrès G,Adjakidjé V,Quetin-Leclercq J

更新日期：2002-11-01 00:00:00

abstract：:The essential oil composition of three Zingiberaceae widely used as medicinal aromatic plants from S. Tomé and Príncipe: Aframomum danielli (Hook. f.) K. Schum., Curcuma longa L. and Zingiber officinale Rosc. was studied. Two samples of the essential oils from fruit of A. danielli and from rhizomes of the other two sp...

journal_title：Planta medica

authors： Martins AP,Salgueiro L,Gonçalves MJ,da Cunha AP,Vila R,Cañigueral S,Mazzoni V,Tomi F,Casanova J

更新日期：2001-08-01 00:00:00

abstract：:A total of 18 purified lignans was evaluated for antiviral activity against murine cytomegalovirus (CMV) and Sindbis virus, by means of different treatment regimens. Podophyllotoxin and alpha-peltatin were the most potent compounds, and they apparently inhibited murine CMV at an essential early step in the replication...

journal_title：Planta medica

authors： MacRae WD,Hudson JB,Towers GH

更新日期：1989-12-01 00:00:00

abstract：:Treatment of 28-hydroxyolean-12-enes with N-bromosuccinimide (NBS) in acetonitrile at room temperature afforded 12 alpha-bromooleanan-13beta, 28-epoxides in high yield. This reaction resulted in the formation of olean-9 (11), 12-diene-18alpha, 29-epoxides from 29-hydroxy isomers but recovered only starting materials f...

journal_title：Planta medica

authors： Woo WS,Kang SS,Jew SS

更新日期：1985-12-01 00:00:00

abstract：:Micellar electrokinetic capillary chromatography (MECC), using a phosphate buffer pH 7.0 and sodium dodecyl sulfate as the surfactant, was found suitable for the separation of structurally similar flavan-3-ols and related dimeric proanthocyanidins. A total of 20 substances has been tested, 17 of which were successfull...

journal_title：Planta medica

authors： Kreimeyer J,Petereit F,Nahrstedt A

更新日期：1998-02-01 00:00:00

abstract：:Leaves of Ligustrum vulgare (common privet) have been used for treatment of oropharyngeal inflammations or as antirheumatic, diuretic, and hypotensive agents in folk medicine in southern Europe. Taking into account that neutrophils are involved in the inflammation, the aim of the study was to determine the effect of a...

journal_title：Planta medica

authors： Czerwińska ME,Granica S,Kiss AK

更新日期：2013-07-01 00:00:00

abstract：:From Polygonum hydropiper L., a C13-norisoprenoid glucoside was isolated and its absolute configuration was established to be (6S,9S)-roseoside (1) by spectroscopic evidence and X-ray crystallographic analysis of its acetate derivative (2). In addition, the stereostructure of roseoside from Canthium subcordatum was re...

journal_title：Planta medica

authors： Murai Y,Kashimura S,Tamezawa S,Hashimoto T,Takaoka S,Asakawa Y,Kiguchi K,Murai F,Tagawa M

更新日期：2001-07-01 00:00:00

abstract：:Bioactivity-guided fractionations for ACAT inhibitor led to the isolation of guineensine from the CHCl (3) extract of Piper longum. Its structure was identified by spectroscopic means (IR, UV, MS and NMR). Guineensine inhibited ACAT activity in a dose-dependent manner with an IC (50) value of 3.12 micro M. ...

journal_title：Planta medica

authors： Lee SW,Rho MC,Nam JY,Lim EH,Kwon OE,Kim YH,Lee HS,Kim YK

更新日期：2004-07-01 00:00:00

abstract：:Echinacea purpurea cell cultures have been established for the production of secondary and possibly bioactive compounds using elicitation techniques. Different elicitors including yeast elicitor, methyl jasmonate, glutathione, and manganese ions were used and compared for their effects on the formation of phenolics in...

journal_title：Planta medica

authors： Li WW,Barz W

更新日期：2006-02-01 00:00:00

abstract：:Variability in the oil content in natural populations of Cymbopogon jawarancusa is discussed. Races rich in piperitone, phellandrene and other chemical constituents have been identified. The oil producing ability was largely genetic and showed heritability of 79.0 percent. ...

journal_title：Planta medica

authors： Dhar AK,Thappa RK,Atal CK

更新日期：1981-04-01 00:00:00

abstract：:Andrographis paniculata contains four major active diterpenoids, including andrographolide (1), 14-deoxy-11, 12-didehydroandrographolide (2), neoandrographolide (3), and 14-deoxyandrographolide (4), which exhibit differences in types and/or degrees of their pharmacological activity. Previous pharmacokinetic studies in...

journal_title：Planta medica

authors： Pholphana N,Panomvana D,Rangkadilok N,Suriyo T,Ungtrakul T,Pongpun W,Thaeopattha S,Satayavivad J

更新日期：2016-01-01 00:00:00

abstract：:We have previously reported that saiboku-to, an Oriental herbal remedy composed of a mixture of 10 different herbal extracts, possesses anti-histamine release effect on mast cells in rats. This effect may be due mainly to the extract of the bark of Magnolia obovata (M. obovata), a constituent herb of saiboku-to. In th...

journal_title：Planta medica

authors： Ikarashi Y,Yuzurihara M,Sakakibara I,Nakai Y,Hattori N,Maruyama Y

更新日期：2001-11-01 00:00:00

abstract：:The water extract of Biota orientalis showed a potent inhibitory effect on platelet activating factor (PAF) binding to rabbit platelets using [3H]PAF as a ligand in our previous screening studies for Korean medicinal antagonists by the activity-guided purification studies. Another active compound, compound 1 (IC50 = 2...

journal_title：Planta medica

authors： Yang HO,Han BH

更新日期：1998-02-01 00:00:00

abstract：:The specific physiological responses induced by inhaling R-(-)- as well as S-(+)-linalool in 24 human subjects undergoing experimental stress were investigated in this study. Various physiological parameters of the autonomous nervous system (heart rate, blood pressure, electrodermal activity) as well as the endocrine ...

journal_title：Planta medica

authors： Höferl M,Krist S,Buchbauer G

更新日期：2006-10-01 00:00:00

abstract：:When added to suspension cultures of CATHARANTHUS ROSEUS, abscisic acid (ABA) stimulated intracellular accumulation of the indole alkaloids catharanthine and ajmalicine in both flask and 30 litre fermenter-scale systems. The response varied, and depended upon the cell line, the concentration and source of the ABA, and...

journal_title：Planta medica

authors： Smith JI,Smart NJ,Kurz WG,Misawa M

更新日期：1987-10-01 00:00:00

abstract：:New protostane-type triterpenes, 11-deoxyalisol C and alisol D, have been isolated from the rhizomes of ALISMA PLANTAGO-AQUATICA, and their structures have been elucidated on the basis of spectral and chemical data. ...

journal_title：Planta medica

authors： Fukuyama Y,Pei-Wu G,Rei W,Yamada T,Nakagawa K

更新日期：1988-10-01 00:00:00

abstract：:Transient receptor potential channels and cannabinoid receptors are deputed to the regulation of sensory, homeostatic, and inflammatory events in the human organism. Therefore, their modulation promises to have relevant applications in important therapeutic areas such as inflammation, pain, and cancer. This review sum...

journal_title：Planta medica

authors： Rigano D,Formisano C,Taglialatela-Scafati O

更新日期：2016-06-01 00:00:00

abstract：:The essential oils of Salvia ringens (samples A and B), were analyzed by means of GC and GC/MS. From the seventy-five identified constituents representing 99.82 and 99.86% of the oils, 1,8-cineole and alpha-pinene were the major components. Furthermore, sample B exhibited a very interesting antimicrobial profile after...

journal_title：Planta medica

authors： Tzakou O,Pitarokili D,Chinou IB,Harvala C

更新日期：2001-02-01 00:00:00

abstract：:The methanol extract of the defatted roots of Asparagus adscendens Roxb. yielded beta-sitosterol beta-D-glucoside, two new spirostanol glycosides (asparanin C and asparanin D) and two new furostanol glycosides (asparoside C and asparoside D). ...

journal_title：Planta medica

authors： Sharma SC,Chand R,Bhatti BS,Sati OP

更新日期：1982-09-01 00:00:00

abstract：:Indole alkaloid contents were investigated in leaves of Tabernaemontana pachysiphon (Apocynaceae) trees in the natural habitat, Shimba Hills National Reserve, Kenya. The contents of the major alkaloids apparicine, tubotaiwine, tubotaiwine- N-oxide, and isovoacangine varied with site, leaf age, leaf growth form, positi...

journal_title：Planta medica

authors： Höft M,Verpoorte R,Beck E

更新日期：1998-03-01 00:00:00

abstract：:A total of 37 commercial samples of Ginseng Radix, the origins of which belonged to Panax ginseng C. A. Meyer, P. quinquefolia Linn. (American ginseng), and P. notoginseng Burkill (sanchi-ginseng), respectively, were collected from the Taiwan herbal markets. The contents of nine ginsenosides, Rb(1), Rb(2), Rc, Rd, Re,...

journal_title：Planta medica

authors： Chuang WC,Wu HK,Sheu SJ,Chiou SH,Chang HC,Chen YP

更新日期：1995-10-01 00:00:00

abstract：:Silybum marianum Gaertn. (Milk thistle) has been used since ancient times for the relief of liver diseases characterized by intense oxidative stress such as inflammatory liver disease and cirrhosis. As oxidative stress by hyperglycemia is involved in micro- and macrovascular complications of type 2 diabetes, our aim w...

journal_title：Planta medica

authors： Palomino OM,Gouveia NM,Ramos S,Martín MA,Goya L

更新日期：2017-01-01 00:00:00

abstract：:Cordatolide A and B were re-isolated from Calophyllum cordato-oblongum, an endemic species of Sri Lanka, and found to inhibit HIV-1 reverse transcriptase with IC50 values of 12.3 and 19.0 microM, respectively. ...

journal_title：Planta medica

authors： Dharmaratne HR,Wanigasekera WM,Mata-Greenwood E,Pezzuto JM

更新日期：1998-06-01 00:00:00

abstract：:Both borneol and menthol are bioactive substances derived from Chinese herbal medicines. In order to understand the pharmacokinetics of borneol and menthol in Qingyan drop pills, a rapid, sensitive, and simple gas chromatographic (GC) method with flame ionization detection (FID) was developed for the simultaneous dete...

journal_title：Planta medica

authors： Xu X,Li Y,Hou J,Zhang S,Xu Y,Wang Y,Zhang Y,Liu C,He X

更新日期：2011-09-01 00:00:00

abstract：:In obese adipose tissue, tumor necrosis factor-α secreted from macrophages plays an important role in the adipocyte dysfunctions, including insulin resistance, lipolytic acceleration, and changes of adipokines, which promote the development of obesity-related complications. Phillyrin, an active ingredient found in man...

journal_title：Planta medica

authors： Kong P,Zhang L,Guo Y,Lu Y,Lin D

更新日期：2014-07-01 00:00:00

abstract：:Five new compounds (1-5), including two limonoids, one triterpenoid, one steroid, and one sesquiterpenoid, along with nine known limonoids (6-14), were isolated from the bark of Melia azedarach. The structures of the new compounds were elucidated by 2D NMR spectroscopy and mass spectrometry. The isolated compounds as ...

journal_title：Planta medica

authors： Yuan CM,Zhang Y,Tang GH,Li Y,He HP,Li SF,Hou L,Li XY,Di YT,Li SL,Hua HM,Hao XJ

更新日期：2013-01-01 00:00:00

abstract：:Medicinal herbs are increasingly used in the search for safe and efficient drug candidates for hepatitis C virus infection. In this study, we have investigated the anti-HCV effect of compounds from Mori Cortex Radicis. During a screening for extracts with anti-HCV affinity from medicinal plants (173 species), the meth...

journal_title：Planta medica

authors： Lee HY,Yum JH,Rho YK,Oh SJ,Choi HS,Chang HB,Choi DH,Leem MJ,Choi EJ,Ryu JM,Hwang SB

更新日期：2007-11-01 00:00:00