Formation of Digitalis lanata Clone Lines by Shoot Tip Culture.

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：:The anti-inflammatory effects of boldine and reticuline isolated from Litsea cubeba were evaluated by using xylene-induced ear edema and carrageenan-induced paw edema in mice and rats. Our results demonstrated that intragastric administration with boldine and reticuline significantly mitigated ear weight in mice and d...

journal_title：Planta medica

authors： Yang X,Gao X,Cao Y,Guo Q,Li S,Zhu Z,Zhao Y,Tu P,Chai X

更新日期：2018-01-01 00:00:00

abstract：:Three new dammar-type triterpenoid caffeates (1-3) were isolated from the stalks of Celastrus rosthornianus Loes. Their structures were established through various spectral studies as 3beta,20(S),24(S)-trihydroxyldammar-25-ene 3-caffeate (1), 3beta,20(S),24(R)-trihydroxyldammar-25-ene 3-caffeate (2) and 3beta,20(S),25...

journal_title：Planta medica

authors： Wang KW,Sun CR,Wu XD,Pan YJ

更新日期：2006-03-01 00:00:00

abstract：:The inhibitory activity of stilbenes isolated from medicinal plants on cell adhesion molecules on the surface of THP-1 human monocytic cell lines was investigated. Among ten stilbenes tested, four stilbenes displayed a significant inhibitory activity on the expression of both intercellular adhesion molecule-1 (ICAM-1)...

journal_title：Planta medica

authors： Ahn KS,Kim JH,Oh SR,Ryu SY,Lee HK

更新日期：2000-10-01 00:00:00

abstract：:The antihyperglycemic action of andrographolide, an active principle in the leaves of Andrographis paniculata (Burm. f.) Nees, was investigated in streptozotocin-induced diabetic rats (STZ-diabetic rats). Oral treatment of andrographolide decreased the plasma glucose concentrations of STZ-diabetic rats in a dose-depen...

journal_title：Planta medica

authors： Yu BC,Hung CR,Chen WC,Cheng JT

更新日期：2003-12-01 00:00:00

abstract：:An arabinogalactan-protein (AGP) from suspension culture medium of Malva sylvestris was isolated by precipitation with beta-glucosyl Yariv reagent, followed by gel-permeation chromatography. It revealed characteristic features of AGPs: a high amount of polysaccharide with a ratio of galactose to arabinose of 1.9 : 1, ...

journal_title：Planta medica

authors： Classen B,Blaschek W

更新日期：2002-03-01 00:00:00

abstract：:Seven flavonol 3- O-glycosides were isolated from the flowers of CALENDULA OFFICINALIS L. Their structures were elucidated as isorhamnetin 3- O-glucoside, rutinoside, neohesperidoside, 2 (G)-rhamnosylrutinoside, quercetin glucoside, neohesperidoside, and 2 (G)-rhamnosylrutinoside by paper and thin layer chromatography...

journal_title：Planta medica

authors： Vidal-Ollivier E,Elias R,Faure F,Babadjamian A,Crespin F,Balansard G,Boudon G

更新日期：1989-02-01 00:00:00

abstract：:We previously reported the isolation of eleven new cardiac glycosides called cheiranthosides I-XI together with two known ones (olitoriside and erysimoside) from the seeds of Erysimum cheiranthoides L. The glycosides were evaluated for their inhibitory activity against Na+,K(+)-ATPase by comparing with typical cardiac...

journal_title：Planta medica

authors： Lei ZH,Kuniyasu A,Tai BS,Nakayama H,Nohara T

更新日期：2001-06-01 00:00:00

abstract：:Hepatocellular carcinoma is one of the leading causes of malignancy-related death in China. Its therapy in clinics is a big challenge. Ginsenoside Rh2 is one of the most notable cancer-preventing components from red ginseng and it has been reported that ginsenoside Rh2 exhibited potent cytotoxicity against human hepat...

journal_title：Planta medica

authors： Lv Q,Rong N,Liu LJ,Xu XL,Liu JT,Jin FX,Wang CM

更新日期：2016-05-01 00:00:00

abstract：:Many herbs, and recently their biomass from in vitro cultures, are essential for the treatment of diseases. The aim of this study was to determine the optimal growth of Bacopa monnieri (water hyssop) in an in vitro culture and to examine if extracts of the B. monnieri biomass from the in vitro culture would affect hyd...

journal_title：Planta medica

authors： Łojewski M,Pomierny B,Muszyńska B,Krzyżanowska W,Budziszewska B,Szewczyk A

更新日期：2016-02-01 00:00:00

abstract：:Six new triterpenoids including four new secodammarane triterpenoid glycosides (1-4), an epoxydammarane triterpenoid glycoside (5), and a new secodammarane triterpenoid (6) were isolated from the ethanolic extract of the leaves of Cyclocarya paliurus. The structures of these compounds were elucidated by spectroscopic ...

journal_title：Planta medica

authors： Li S,Cui B,Liu Q,Tang L,Yang Y,Jin X,Shen Z

更新日期：2012-02-01 00:00:00

abstract：:Poncirus trifoliata (Rutaceae) extracts have been known to possess anti-allergic, anti-inflammatory and antiviral activities. However, other biological activities, especially, the anticancer potential of extracts of P. trifoliata or its constituents, have not been fully investigated yet. In this study, we have evaluat...

journal_title：Planta medica

authors： Hong J,Min HY,Xu GH,Lee JG,Lee SH,Kim YS,Kang SS,Lee SK

更新日期：2008-02-01 00:00:00

abstract：:In this study the first supercritical fluid based protocol for the extraction, analysis, and isolation of six polar compounds, i.e., o-vanillin (1), styracin (2), vanillin (3), trans-cinnamic acid (4), vanillic acid (5), and shikimic acid (6), was developed. First, eight styrax resin products (R1-R8) obtained from var...

journal_title：Planta medica

authors： Scheuba J,Wronski VK,Rollinger JM,Grienke U

更新日期：2017-08-01 00:00:00

abstract：:The dietary intake of flavonoids seems to be inversely related to cardiovascular mortality. The consumption of isoflavonoids is increasing in the general population, especially due to the use of food supplements and a variety of isoflavonoid-rich foods. However, detailed studies on the vascular influence of individual...

journal_title：Planta medica

authors： Migkos T,Pourová J,Vopršalová M,Auger C,Schini-Kerth V,Mladěnka P

更新日期：2020-07-01 00:00:00

abstract：:Ten clones of dark-leaved willows ( Salix myrsinifolia Salisb.) were grown for two years on two different sites, Luikonlahti and Punkaharju, using various combinations of soil cultivation, fertilization and mulch treatments, with the objective of comparing the effect of different cultivation methods on the growth and ...

journal_title：Planta medica

authors： Heiska S,Rousi M,Turtola S,Meier B,Tirkkonen V,Julkunen-Tiitto R

更新日期：2005-12-01 00:00:00

abstract：:We have previously shown that 11 ent-kauranes isolated from the stems of Annona squamosa exhibited immunomodulating effects in leukocytes. In this study, a cellular model using isolated human neutrophils, which are important in the pathogenesis of rheumatoid arthritis, ischemia-reperfusion injury, chronic obstructive ...

journal_title：Planta medica

authors： Yeh SH,Chang FR,Wu YC,Yang YL,Zhuo SK,Hwang TL

更新日期：2005-10-01 00:00:00

abstract：:Some enzymes of the terminal steps of phenylalanine and tyrosine biosyntheses were investigated in various alkaloid-forming ergot strains. All strains studied utilize both arogenate and phenylpyruvate as an intermediate in L-phenylalanine synthesis. L-Tyrosine is preferentially or exclusively synthesized via the aroge...

journal_title：Planta medica

authors： Schmauder HP,Gröger D

更新日期：1986-10-01 00:00:00

abstract：:Extracts from Pygeum africanum, Serenoa repens and Cucurbita pepo are used in the treatment of benign prostatic hyperplasia (BPH) and prostate cancer (PCa). The activity of the androgen receptor (AR) is known to control growth of the prostate. Here, we examined extracts of these plants for their antiandrogenic activit...

journal_title：Planta medica

authors： Schleich S,Papaioannou M,Baniahmad A,Matusch R

更新日期：2006-07-01 00:00:00

abstract：:A new BIS-1-oxaquinolizidine alkaloid, 9'- EPI-3 β,3' β-dimethylxestospongin C (2), and three known related analogues have been isolated from the Hainan sponge Neopetrosia exigua. ...

journal_title：Planta medica

authors： Li Y,Qin S,Guo YW,Gu YC,van Soest RW

更新日期：2011-01-01 00:00:00

abstract：:Thirty-five flavonoids of seven different types, namely isoflavonoids, chalcones, dihydroflavonols, flavanols, flavanones, flavones, and flavonols were investigated for their ability to inhibit ascorbate-induced microsomal lipid peroxidation and their cytotoxicity. For each activity a structure-activity relationship w...

journal_title：Planta medica

authors： Cos P,Calomme M,Sindambiwe JB,De Bruyne T,Cimanga K,Pieters L,Vlietinck AJ,Vanden Berghe D

更新日期：2001-08-01 00:00:00

abstract：:The content of ursolic acid and oleanolic acid was determined in different plant parts of two Glechoma species, G. hederacea and G. hirsuta. To achieve optimal extraction conditions of ursolic acid and oleanolic acid from plant material, several methods including maceration, heat reflux, Soxhlet, and ultrasonic extrac...

journal_title：Planta medica

authors： Grabowska K,Żmudzki P,Wróbel-Biedrawa D,Podolak I

更新日期：2021-01-15 00:00:00

abstract：:From the rhizomes of HYPOXIS OBTUSA two monoglucosides having the same aglycone as hypoxoside, 1-(3',4'- dihydroxyphenyl)-5-(3'',4''-dihydroxyphenyl)-1-pen-ten-4-yne, have been obtained. By methylation followed by hydrogenation they have been transformed into the same compound, 1-(3'-methoxy-4'- O-beta- D-glucopyranos...

journal_title：Planta medica

authors： Galeffi C,Multari G,De Vicente Y,Messana I,Nicoletti M,Marini-Bettolo GB

更新日期：1989-06-01 00:00:00

abstract：:Three pyrrolizidine alkaloids were isolated from Eupatorium portoricense and their structures elucidated by spectroscopic methods as (-)-viridifloryl-supinidine (amabiline), (-)-viridifloryl-heliotridine (echinatine), and C12- O-acetyl-(-)-viridifloryl-heliotridine (O(12)-acetylechinatine). ...

journal_title：Planta medica

authors： Wiedenfeld H,Guerrero R,Roeder E

更新日期：1995-08-01 00:00:00

abstract：:Allicin has been synthesized and was purified by liquid chromatography. HPLC chromatograms recorded at different wavelengths reveal pure allicin at similar retention times. The purity of the allicin peak could be confirmed by diode array detection. Pure synthetic allicin has been identified by infrared and mass spectr...

journal_title：Planta medica

authors： Jansen H,Müller B,Knobloch K

更新日期：1987-12-01 00:00:00

abstract：:Ulcerative colitis is a chronic inflammatory condition whose treatment includes aminosalicylates, corticosteroids, and immunomodulators. Medicinal plants seem to be an important alternative treatment for this condition. They have been the subject of a great number of studies in recent years. This study was conducted t...

journal_title：Planta medica

authors： Santana MT,Cercato LM,Oliveira JP,Camargo EA

更新日期：2017-05-01 00:00:00

abstract：:Geraniol dehydrogenase, the specific enzyme involved in geraniol to citral TRANS (geranial) transformation, activity was monitored in various lemongrass cultivars differing in amounts and relative percentages of citral and geraniol in their essential oils. The enzyme activity had a positive and significant association...

journal_title：Planta medica

authors： Singh-Sangwan N,Sangwan RS,Luthra R,Thakur RS

更新日期：1993-04-01 00:00:00

abstract：:Bioassay-guided fractionation of the H(2)O extract of the seeds of Psoralea corylifolia furnished one hepatoprotective compound, bakuchiol (1), together with two moderately active compounds, bakuchicin (2) and psoralen (3), on tacrine-induced cytotoxicity in human liver-derived Hep G2 cells. The EC(50) values of compo...

journal_title：Planta medica

authors： Cho H,Jun JY,Song EK,Kang KH,Baek HY,Ko YS,Kim YC

更新日期：2001-11-01 00:00:00

abstract：:We describe in this paper that the alkaloid 4-methylaaptamine, isolated from the marine sponge Aaptos aaptos, inhibited HSV-1 infection. We initially observed that 4-methylaaptamine inhibited HSV-1 replication in Vero cells in a dose-dependent manner with an EC50 value of 2.4 microM. Moreover, the concentration requir...

journal_title：Planta medica

authors： Souza TM,Abrantes JL,de A Epifanio R,Leite Fontes CF,Frugulhetti IC

更新日期：2007-03-01 00:00:00

abstract：:Thyme extract is known to posses spasmolytic effects on isolated trachea and to increase ciliary activity. A small part of this effect is mediated via beta (2) receptors, but other receptors are supposed to be involved. Endothelin has a pathophysiological impact in asthma with respect to hyper-reagibility and contract...

journal_title：Planta medica

authors： Engelbertz J,Schwenk T,Kinzinger U,Schierstedt D,Verspohl EJ

更新日期：2008-10-01 00:00:00

abstract：:Bioactivity-guided fractionation of Saururus chinensis (Saururaceae) using a lymphoproliferation assay led us to isolate 5 lignans (compounds 1 - 5). Compounds 1 - 5 were identified as sauchinone, (-)-saucerneol, saucerneol C, manassantin A, and manassantin B, respectively, by spectroscopic analyses. The immunosuppres...

journal_title：Planta medica

authors： Park SY,Lee SH,Choi WH,Koh EM,Seo JH,Ryu SY,Kim YS,Kwon DY,Koh WS

更新日期：2007-06-01 00:00:00