The structure and the stereochemistry of atractyliretin.

abstract：:Croton caudatus is an important species in Dai folk medicine. Some other Croton species, in particular, C. kongensis, C. cascarilloides, C. crassifolius, C. lachnocarpus and C. olivaceus are often marketed as C. caudatus, and thus, the therapeutic effects of C. caudatus are not achieved. The respective morphological f...

journal_title：Planta medica

authors： Xue HG,Zhou SD,He XJ,Yu Y

更新日期：2007-06-01 00:00:00

abstract：:Two new 8-oxotetrahydroprotoberberine alkaloids, gusanlung A(1) and B(2), together with known isoquinoline alkaloids, berberine and jatrorrhizine, were isolated from the Chinese medicinal plant Acangelisia gusanlung H. S. Lo (Menispermaceae). Their structures were elucidated mainly by spectroscopic analysis. ...

journal_title：Planta medica

authors： Zhang JS,Chen ZL

更新日期：1991-10-01 00:00:00

abstract：:Extraction of PIPER RIBESOIDES Wall, furnished the new linalool derivative (+)-3,7-dimethyl-3-hydroxy-4-( P-coumaryloxy)-1,6-octadiene, the lignans (-)-hinokinin and (-)-cubebin, N-isobutyl-2 E,4 E-deca-2,4-dienamide, methyl piperate, methyl 2 E,4 E,6 E-7-phenyl-2,4,6-heptatrienoate, palmitic acid, stearic acid, and b...

journal_title：Planta medica

authors： Kijjoa A,Pinto MM,Tantisewie B,Herz W

更新日期：1989-04-01 00:00:00

abstract：:Two diterpenoids were prepared from hexane anti-inflammatory extracts of the Spanish herb Sideritis javalambrensis: ent-13-epi-12 alpha-acetoxymanoyl oxide (= "manoyl oxide F1") and ent-8 alpha-hydroxy-labda-13(16), 14-diene (= "labdane F2"). They were evaluated for possible anti-inflammatory actions in vitro in the c...

journal_title：Planta medica

authors： de las Heras B,Hoult JR

更新日期：1994-12-01 00:00:00

abstract：:The neuroprotective effects of spiramine T, an atisine-type diterpenoid alkaloid isolated from the Chinese herbal medicine Spiraea japonica var. acuta (Rosaceaee), on cerebral ischemia-reperfusion injury produced by 10-min bilateral occlusion of the common carotid arteries followed by 5-day reperfusion in gerbils were...

journal_title：Planta medica

authors： Li L,Nie J,Shen Z,Wu W,Chen Z,Hao X

更新日期：2001-03-01 00:00:00

abstract：:Eight new lupane triterpenes, including 7beta-cis-coumaroylbetulinic acid (1), 7beta-trans-coumaroylbetulinic acid (2), 7beta-cis-coumaroyl-3-epi-betulinic acid (3), 7beta-trans-coumaroyl-3-epi-betulinic acid (4), 7beta-cis-coumaroylbetulonic acid (5), 7beta-trans-coumaroylbetulonic acid (6), 7beta-hydroxybetulinaldeh...

journal_title：Planta medica

authors： Du YC,Lin AS,Wu CC,Hsieh PW,Chen YH,Chen IH,Chen SL,Yen HF,Lübken T,Chang FR,Wu YC

更新日期：2009-06-01 00:00:00

abstract：:EGFR, as a critical signaling pathway in many human tumors, has become an important target of cancer drug design. Taspine has shown meaningful angiogenesis activity in previous studies. This paper is to investigate the antitumor action of taspine by modulating the EGFR signaling pathway. The study determined the expre...

journal_title：Planta medica

authors： Zhang Y,Zheng L,Zhang J,Dai B,Wang N,Chen Y,He L

更新日期：2011-11-01 00:00:00

abstract：:A museum collection of Cinchonae cortex samples (n = 117), from the period 1850-1950, was extracted with a mixture of chloroform-d1, methanol-d4, water-d2, and perchloric acid in the ratios 5 : 5 : 1 : 1. The extracts were directly analyzed using 1H NMR spectroscopy (600 MHz) and the spectra evaluated using principal ...

journal_title：Planta medica

authors： Yilmaz A,Nyberg NT,Jaroszewski JW

更新日期：2012-11-01 00:00:00

abstract：:Phytochemical investigation of the dichloromethane extract of the leaves of Peltophorum pterocarpum, a tropical ornamental tree, led to the isolation of twelve compounds (1-12). One new derivative of peltogynoid ophioglonin (1) and a new 2-phenoxychromone (2) with its 3'-O-β-D-glucoside derivative (3) are described he...

journal_title：Planta medica

authors： Polasek J,Queiroz EF,Marcourt L,Meligova AK,Halabalaki M,Skaltsounis AL,Alexis MN,Prajogo B,Wolfender JL,Hostettmann K

更新日期：2013-04-01 00:00:00

abstract：:HPLC determinations of the aescin contents in calli and embryoids from leaf explants of AESCULUS HIPPOCASTANUM L. were carried out in order to determine whether it was possible to obtain aescin-forming proliferations IN VITRO. The results indicate that embryogenic calli and embryoids derived from them produce an amoun...

journal_title：Planta medica

authors： Profumo P,Caviglia AM,Gastaldo P,Dameri RM

更新日期：1991-02-01 00:00:00

abstract：:Since the beginning of this century, Goji berries and juice are being sold as health food products in western countries and praised in advertisements and in the media for well-being and as an anti-aging remedy. The popularity of Goji products has rapidly grown over the last years thanks to efficient marketing strategi...

journal_title：Planta medica

authors： Potterat O

更新日期：2010-01-01 00:00:00

abstract：:Three new coumarin derivatives, compounds 1-3, three new furanocoumarins, compounds 4-6, and a novel dioxocane derivative, compound 7, were isolated from the fern Cyclosorus interruptus (Willd.) H. Itô. Based on spectrometric and spectroscopic analysis (FAB or El mass spectrometry as well as 1D and 2D NMR experiments)...

journal_title：Planta medica

authors： Quadri-Spinelli T,Heilmann J,Rali T,Sticher O

更新日期：2000-12-01 00:00:00

abstract：:Baicalein, berberine, curcumin and hesperidin are the major components derived from Scutellaria baicalensis, Coptis japonica, Curcuma longa and Poncirus trifoliata, respectively. These plants have been used for the treatment of diverse chronic inflammatory diseases including respiratory disease in oriental medicine an...

journal_title：Planta medica

authors： Lee CJ,Lee JH,Seok JH,Hur GM,Park YC,Seol IC,Kim YH

更新日期：2003-06-01 00:00:00

abstract：:Three new lycopodium alkaloids, 11alpha-hydroxyphlegmariurine B (2), 7alpha-hydroxyphlegmariurine B (3) and 7alpha,11alpha-dihydroxyphlegmariurine B (4) along with a known compound, phlegmariurine B (1), were isolated from the herb Huperzia serrata. The structures of the above compounds were elucidated based on spectr...

journal_title：Planta medica

authors： Tan CH,Wang BD,Jiang SH,Zhu DY

更新日期：2002-02-01 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：:A new indole alkaloid, galanthindole, was isolated from Galanthus plicatus ssp. byzantinus (Amaryllidaceae), a plant native to northwestern Turkey. Incorporating a non-fused indole ring, galanthindole may represent the prototype of a new subgroup of the Amaryllidaceae alkaloids. Two other bases, (+)-11-hydroxyvittatin...

journal_title：Planta medica

authors： Unver N,Kaya GI,Werner C,Verpoorte R,Gözler B

更新日期：2003-09-01 00:00:00

abstract：:Two new sesquiterpenes, (E)-(2S,3S,6R)-atlantone-2,3-diol (1) and (E)-(2S,3S,6S)-atlantone-2,3,6-triol (2), along with two known sesquiterpenes, atlantolone (3) and (E)-α-atlantone (4), were isolated from Cedrus deodara Loud. The structures of the new compounds were elucidated on the basis of UV, IR, NMR, HR‑ESI-QTOF‑...

journal_title：Planta medica

authors： Chaudhary A,Sood S,Kaur P,Kumar N,Thakur A,Gulati A,Singh B

更新日期：2012-01-01 00:00:00

abstract：:The formation of lactonic amines 3 and 4 from alpha-methylene-gamma-butyrolactone (tulipalin A) 1 is described. ...

journal_title：Planta medica

authors： Lounasmaa M,Tolvanen A,Jokela R,Hiltunen L

更新日期：1985-12-01 00:00:00

abstract：:The traditional therapeutic indications for the use of Morinda citrifolia L. (Rubiaceae) have been investigated. The lyophilised aqueous extract of roots of M. citrifolia was evaluated for analgesic and behavioural effects in mice. The extract did not exhibit any toxic effects but did show a significant, dose-related,...

journal_title：Planta medica

authors： Younos C,Rolland A,Fleurentin J,Lanhers MC,Misslin R,Mortier F

更新日期：1990-10-01 00:00:00

abstract：:The aerial parts of JUNGIA SETERIANA afforded in addition to known compounds two pairs of isomeric C (17)-acetylenes which differ in the number of triple bonds and in the configuration of the 9,10-double bond. The structures and configurations followed from the UV and the (1)H-NMR spectra, especially from those of the...

journal_title：Planta medica

authors： Bohlmann F,Zdero C,King RM,Robinson H

更新日期：1984-04-01 00:00:00

abstract：:Despite the huge diversity of antibacterial compounds, bacterial resistance to first-choice antibiotics has been drastically increasing. Moreover, the association between multiresistant microorganisms and nosocomial infections highlight the problem, and the urgent need for solutions. Natural resources have been exploi...

journal_title：Planta medica

authors： Alves MJ,Ferreira IC,Dias J,Teixeira V,Martins A,Pintado M

更新日期：2012-11-01 00:00:00

abstract：:Alpinia galanga, or galangal, has been a popular condiment used in Thai and Asian cuisine for many years. However, relatively little is known of the potential beneficial or adverse health effects of this spice. This study was conducted to analyze the capacity of galangal extract to induce cytotoxicity and DNA damage i...

journal_title：Planta medica

authors： Muangnoi P,Lu M,Lee J,Thepouyporn A,Mirzayans R,Le XC,Weinfeld M,Changbumrung S

更新日期：2007-07-01 00:00:00

abstract：:Propagation of DIGITALIS LANATA by shoot tip culture made possible (a) the rapid multiplication of elite plants with the formation of plant clones and (b) the long-term cultivation of these plants which under normal growth conditions would die at the end of the second vegetation period. Optimum conditions were establi...

journal_title：Planta medica

authors： Diettrich B,Mertinat H,Luckner M

更新日期：1990-02-01 00:00:00

abstract：:Mammea-type coumarins are a particular type of secondary metabolites biosynthesized by the tropical rainforest tree Calophyllum Brasiliense, which is distributed from South America to Mexico. Particularly, mammea A/BA and A/BB (alone or as a mixture) possess biological properties such as cytotoxic and antitumoral acti...

journal_title：Planta medica

authors： Gómez-Verjan JC,Rivero-Segura NA,Estrella-Parra E,Rincón-Heredia R,Madariaga-Mazón A,Flores-Soto E,González-Meljem M,Cerbón M,Reyes-Chilpa R

更新日期：2019-01-01 00:00:00

abstract：:A series of mainly marine derived natural products were tested for their activities against Mycobacterium tuberculosis and M. avium. Of the thirty-nine compounds tested fifteen demonstrated minimum inhibition concentrations (MICs) of 32 micrograms/ml or less, and eleven had MICs of 16 micrograms/ml or less. The most a...

journal_title：Planta medica

authors： König GM,Wright AD,Franzblau SG

更新日期：2000-05-01 00:00:00

abstract：:DNA sequence analysis of the rDNA internal transcribed spacer 1 (ITS1) and TaqMan real-time polymerase chain reaction were exploited for their applications in the differentiation of the traditional chinese medicinal plants euphorbia humifusa and e. maculata from three related adulterants e. hypericifolia, E. atoto and...

journal_title：Planta medica

authors： Xue HG,Wang H,Li DZ,Xue CY,Wang QZ

更新日期：2008-02-01 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：:Ginkgetin, a biflavone isolated from Ginkgo biloba leaves, was previously reported as an inhibitor of group II phospholipase A2. In this study, ginkgetin was evaluated for in vivo antiarthritic and analgesic activities. Ginkgetin (10-20 mg/kg/day) strongly reduced arthritic inflammation in an animal model of rat adjuv...

journal_title：Planta medica

authors： Kim HK,Son KH,Chang HW,Kang SS,Kim HP

更新日期：1999-06-01 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：:The methanolic extract of the fruits of Torilis japonica showed a potent inhibition against 5 alpha-reductase activity in vitro. Bioassay-guided fractionation of the methanol extract of the fruits followed by repeated silica gel chromatography led to the isolation of an active principle and its structure was identifie...

journal_title：Planta medica

authors： Park WS,Son ED,Nam GW,Kim SH,Noh MS,Lee BG,Jang IS,Kim SE,Lee JJ,Lee CH

更新日期：2003-05-01 00:00:00