Phthalides in the essential oil from roots of Levisticum officinale.

abstract：:Teak ( Tectona grandis L.f., Verbenaceae) sawdust extract inhibited the growth of Aspergillus niger. Centrifugal partition chromatography was used to isolate the active compounds. By (1)H-NMR the active compounds were identified as deoxylapachol and tectoquinone. Two A. niger transgenic strains which show induction of...

journal_title：Planta medica

authors： Sumthong P,Damveld RA,Choi YH,Arentshorst M,Ram AF,van den Hondel CA,Verpoorte R

更新日期：2006-08-01 00:00:00

abstract：:The genetic barcode ITS2 (ITS: internal transcribed spacer) and pollen morphology were used for the identification of the pharmacologically valuable wild Araliaceae species Panax ginseng, Oplopanax elatus, Aralia elata, Aralia continentalis, Eleutherococcus senticosus, and Eleutherococcus sessiliflorus inhabiting the ...

journal_title：Planta medica

authors： Reunov A,Reunova G,Atopkin D,Reunova Y,Muzarok T,Zakharov E,Zhuravlev Y

更新日期：2018-01-01 00:00:00

abstract：:The chemical analyses of two Cynara species: C. humilis and C.cornigera revealed various combinations of flavones, flavonols, flavanones, coumarins, phenolic acids, and an aurone. All the identified constituents are reported for the first time from the two species, while the presence of the aurone is reported for the ...

journal_title：Planta medica

authors： Chinou I,Harvala C

更新日期：1997-10-01 00:00:00

abstract：:The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. The extract of the herb of Ch.majus als...

journal_title：Planta medica

authors： Vavrecková C,Gawlik I,Müller K

更新日期：1996-10-01 00:00:00

abstract：:From the leaves of DIGITALIS LANATA Ehrh. two new Cardenolides have been found and structurally elucidated as Digoxigenin-3-O-beta- D-digitoxosido-beta- D-digitoxosido-beta- D-xyloside bei TLC and spectroscopic methods. ...

journal_title：Planta medica

authors： Krüger D,Wichtl M

更新日期：1984-06-01 00:00:00

abstract：:Paeoniae Radix (the roots of Paeonia lactiflora Pallas) is a crude drug that is used in Asia and Europe to improve blood flow. We studied its vasodilator effect and mechanisms of action in vitro. The extract from Paeoniae Radix (PRE) relaxed prostaglandin F2a-precontracted aortic ring preparations of isolated rat aort...

journal_title：Planta medica

authors： Goto H,Shimada Y,Akechi Y,Kohta K,Hattori M,Terasawa K

更新日期：1996-10-01 00:00:00

abstract：:Tuberculosis is the main cause of death from a single infectious agent. Globally, according to the World Health Organization, in 2018, there were an estimated 1.2 million tuberculosis deaths. Moreover, there is a continuous appearance of drug-resistant strains. Thus, development of new antituberculosis medicines shoul...

journal_title：Planta medica

authors： Guzmán-Gutiérrez SL,Silva-Miranda M,Krengel F,Huerta-Salazar E,León-Santiago M,Díaz-Cantón JK,Espitia Pinzón C,Reyes-Chilpa R

更新日期：2020-05-11 00:00:00

abstract：:The ripe berries of Harrisonia abyssinica yielded two new prenylated acetophenones, namely 5-(ethan-1'''-one)-4,6-dihydroxy-7-(3'',3''-dimethylallyl)-2 S-(1' S-hydroxy-1',5'-dimethylhex-4'-enyl)-2,3-dihydrobenzofuran (1) and 5-(2'''-hydroxyethan-1'''-one)-4,6-dihydroxy-7-(3'',3''-dimethylallyl)-2 S-(1' S-hydroxy-1',5'...

journal_title：Planta medica

authors： Mayaka RK,Langat MK,Omolo JO,Cheplogoi PK

更新日期：2012-03-01 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：:A new isoquinoline alkaloid (6), along with nine known ones (1-5, 7-10), was isolated from the plateau plant Corydalis hendersonii, which is used as a traditional Tibetan medicine. The structure of the new compound was elucidated as 9-methyldecumbenine C by spectroscopic evidence. ...

journal_title：Planta medica

authors： Fu Y,Zhou Y,Liao X,Bai B,Peng S,Ding L

更新日期：2009-04-01 00:00:00

abstract：:From an extract of the whole plant of Ligularia virgaurea ssp. oligocephala, three new eremophilane sesquiterpene lactones, 10alpha-hydroxy-1-oxoeremophila-7(11),8(9)-dien-12,8-olide (1), 6alpha,10alpha-dihydroxy-1-oxoeremophila-7(11),8(9)-dien-12,8-olide (2), 6beta,10beta-dihydroxyeremophila-7(11),8(9)-dien-12,8-olid...

journal_title：Planta medica

authors： Wu QX,Shi YP,Yang L

更新日期：2004-05-01 00:00:00

abstract：:The roots of HAPLOPAPPUS FREEMONTII afforded in addition to the known 8-oxo-beta-cyperone two further derivatives. The structures were elucidated by highfield (1)H-NMR spectroscopy. ...

journal_title：Planta medica

authors： Jakupovic J,Boeker R,King RM

更新日期：1986-10-01 00:00:00

abstract：:The composition and the antimicrobial activity of the essential oil from the leaves of Peumus boldus is investigated. Analyses of the oil obtained by hydrodistillation were carried out by GC and GC-MS using columns of two different stationary phases. Fractionation of the essential oil by column chromatography on silic...

journal_title：Planta medica

authors： Vila R,Valenzuela L,Bello H,Cañigueral S,Montes M,Adzet T

更新日期：1999-03-01 00:00:00

abstract：:Nano-encapsulation of several natural products has become an important tool in enhancing the bioavailability of some modern drugs against many diseases. Pelargonidin is an anthocyanidin found in many fruits and vegetables. Pelargonidin is loaded with poly-lactide-co-glycolic-acid, a non-toxic biodegradable polymer, to...

journal_title：Planta medica

authors： Samadder A,Tarafdar D,Abraham SK,Ghosh K,Khuda-Bukhsh AR

更新日期：2017-03-01 00:00:00

abstract：:Eight compounds were isolated from the CH (2)Cl (2) extracts of ERYTHRINA SENEGALENSIS to assess HIV-1 protease (PR) activity inhibition. The prenylated isoflavone structures, identified by spectroscopic analysis, were 8-prenylluteone ( 1), auriculatin ( 2), erysenegalensein O ( 3), erysenegalensein D ( 4), erysenegal...

journal_title：Planta medica

authors： Lee J,Oh WK,Ahn JS,Kim YH,Mbafor JT,Wandji J,Fomum ZT

更新日期：2009-02-01 00:00:00

abstract：:We have identified kamebakaurin as an inhibitor of NF-KB and elucidated its molecular mechanism as a specific inhibitor in the DNA-binding activity of the p50 subunit of NF-KB. Here, we describe its anti-inflammatory activity in in vitro and in vivo models. Kamebakaurin dose-dependently inhibited not only the expressi...

journal_title：Planta medica

authors： Lee JH,Choi JK,Noh MS,Hwang BY,Hong YS,Lee JJ

更新日期：2004-06-01 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 effects of gallic acid on the gene expressions of inducible nitric oxide synthase (iNOS) and the cytokines interleukin (IL)-1, IL-10, IL-12, IL-18, TNF-alpha, and interferon (IFN)-gamma were investigated by reverse-transcription polymerase chain reaction (RT-PCR). The experiments were performed in parallel in non-...

journal_title：Planta medica

authors： Radtke OA,Kiderlen AF,Kayser O,Kolodziej H

更新日期：2004-10-01 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：: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：:Extracellular polysaccharides (ECP) were isolated in yields of up to 4 mg/ml from the culture media of suspension-cultured cells from Digitalis lanata Ehrh. ECP content was increasing continuously over the first ten days of cultivation and then stayed constant until day 20. ECP were fractionated by ion-exchange chroma...

journal_title：Planta medica

authors： Hensel A,Schmidgall J,Kreis W

更新日期：1997-10-01 00:00:00

abstract：:The Mexican species GALPHIMIA GLAUCA (Cav.) Kuntze (Malphigiaceae) synthesises a family of sedative and anxiolytic nor-secofriedelanes, designated as galphimines. These active principles accumulate at low concentration in the aerial parts of plants from wild populations. Transformed calluses and cell suspension cultur...

journal_title：Planta medica

authors： Ortíz A,Cardoso-Taketa A,Monroy MR,Arellano J,Hernández G,Villarreal ML

更新日期：2010-03-01 00:00:00

abstract：:Two new acylated secoiridoid glycosides were isolated from the aqueous acetone extract of the whole herb of Gentiana algida. The structures of these new products were established by spectral and chemical methods as 6'-(2,3-dihydroxybenzoyl)sweroside and 6'-(2,3-dihydroxybenzoyl)swertiamarin, respectively. ...

journal_title：Planta medica

authors： Tan RX,Hu J,Dong LD,Wolfender JL,Hostettmann K

更新日期：1997-12-01 00:00:00

abstract：:The chemical composition of the three essential oils obtained by steam distillation of the mastic gum, leaves and twigs of Pistacia lentiscus var. chia, was studied by GC/MS. Sixty nine constituents were identified from the oils. alpha-Pinene, myrcene, trans-caryophyllene and germacrene D were found to be the major co...

journal_title：Planta medica

authors： Magiatis P,Melliou E,Skaltsounis AL,Chinou IB,Mitaku S

更新日期：1999-12-01 00:00:00

abstract：:The major alkaloids of PAPAVER TRINIIFOLIUM collected in two different parts of Anatolia have proved to be of the aporphine, morphinane and rhoeadine types. The two collections possessed different major alkaloids and the existence of chemical strains is indicated. In addition to the aporphine-(floripavidine), the morp...

journal_title：Planta medica

authors： Sariyar G

更新日期：1983-09-01 00:00:00

abstract：:Immune complex binding to macrophages was enhanced by treatment with an E. kansui extract. Systematic fractionation of the extract led to the characterization of 3-O-(2'E,4'Z-decadienoyl)- and 3-O-(2,3-dimethylbutyryl)-13- O-n-dodecanoyl-13-hydroxyingenol as the active principles. Immune complex binding to macrophages...

journal_title：Planta medica

authors： Matsumoto T,Cyong JC,Yamada H

更新日期：1992-06-01 00:00:00

abstract：:Plectranthus barbatus Andr. is one of the most important species of the genus Plectranthus L' Herit. (Lamiaceae), with a wide variety of traditional medicinal uses in Hindu and Ayurvedic traditional medicine as well as in the folk medicine of Brazil, tropical Africa and China. The plant has therefore been an attractiv...

journal_title：Planta medica

authors： Alasbahi RH,Melzig MF

更新日期：2010-05-01 00:00:00

abstract：:The nature of gene action for biomass yield and tropane alkaloid content was ascertained through diallel analysis in Egyptian henbane, HYOSCYAMUS MUTICUS L. Dominance variation was preponderant over additive genetic variance, dominance being in the overdominance range for both traits. On an overall basis, recessive al...

journal_title：Planta medica

authors： Misra HO,Sharma JR,Lal RK

更新日期：1992-02-01 00:00:00

abstract：:Eleven sesquiterpenoids have been isolated from the whole plants of Youngia japonica (Asteraceae). Among these sesquiterpenoids, five were identified as new compounds on the basis of spectroscopic methods and chemical analysis. Their structures were 3-oxo-8alpha-(4-hydoxyphenyl)acetoxy-10(14),11(13)-guaiadien-12,6-oli...

journal_title：Planta medica

authors： Chen W,Liu Q,Wang J,Zou J,Meng D,Zuo J,Zhu X,Zhao W

更新日期：2006-02-01 00:00:00

abstract：:TLC autographic assays revealed in the CH(2)Cl(2) extract of Tinospora crispa Miers (Menispermaceae) the presence of three compounds exhibiting antioxidant and radical scavenging properties towards beta-carotene and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical. They were isolated and identified as N-CIS-feruloyltyrami...

journal_title：Planta medica

authors： Cavin A,Hostettmann K,Dyatmyko W,Potterat O

更新日期：1998-06-01 00:00:00