Separations of flavan-3-ols and dimeric proanthocyanidins by capillary electrophoresis.

abstract：:Calozeyloxanthone ( 1) was re-isolated from the root bark of Calophyllum moonii, an endemic species of Sri Lanka, and found to be active against vancomycin-resistant Enterococci (VRE) and vancomycin-sensitive Enterococci (VSE) with MIC values of 6.25 microg/ml and 12.5 microg/ml, respectively. Further, a marked synerg...

journal_title：Planta medica

authors： Sakagami Y,Kajimura K,Wijesinghe WM,Dharmaratne HR

更新日期：2002-06-01 00:00:00

abstract：:Three new depsidones, parmosidones F - G (1 - 2), and 8'-O-methylsalazinic acid (3), and 3 new diphenylethers, parmetherines A - C (4 - 6), together with 2 known congeners were isolated from the whole thalli of Parmotrema dilatatum, a foliose chlorolichen. Their structures were unambiguously determined by extensive sp...

journal_title：Planta medica

authors： Devi AP,Duong TH,Ferron S,Beniddir MA,Dinh MH,Nguyen VK,Pham NK,Mac DH,Boustie J,Chavasiri W,Pogam PL

更新日期：2020-11-01 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：:Capsaicin and 6-gingerol, pungent components of chilli pepper and ginger, are known as dietary agonists of transient receptor potential vanilloid-1. Transient receptor potential vanilloid-1 nerve fibers are recognized to play a role in gastric mucosal integrity in rats. In the present studies, we examined the acute ef...

journal_title：Planta medica

authors： Okumi H,Tashima K,Matsumoto K,Namiki T,Terasawa K,Horie S

更新日期：2012-11-01 00:00:00

abstract：:Andrographolide (Andro) is a potentially anti-inflammatory diterpenoid lactone isolated from the traditional herbal medicine ANDROGRAPHIS PANICULATA, which has been effectively used for the treatment of infection, inflammation, cold, fever and diarrhea in China for centuries. In the current study, we found that Andro ...

journal_title：Planta medica

authors： Ji L,Liu T,Liu J,Chen Y,Wang Z

更新日期：2007-10-01 00:00:00

abstract：:Two indole alkaloids were isolated from the culture of Aspergillus fumigatus (strain No. CY018), an endophytic fungus harboring inside the elder leaf of Cynodon dactylon. These two chemicals were identified as fumigaclavine C and fumitremorgin C. In screening the bioactivity of these two indole alkaloids, their vasore...

journal_title：Planta medica

authors： Ma HY,Song YC,Mao YY,Jiang JH,Tan RX,Luo L

更新日期：2006-04-01 00:00:00

abstract：:Amphotericin B (AmB) is a representative antibiotic for the control of serious fungal infections, and its fungicidal activity was greatly enhanced by allicin, an allyl-sulfur compound from garlic. In addition to the plasma membrane permeability change, AmB induced vacuole membrane damage so that the organelles were vi...

journal_title：Planta medica

authors： Ogita A,Fujita K,Taniguchi M,Tanaka T

更新日期：2006-10-01 00:00:00

abstract：:Extracts from Bupleurum fruticescens were examined for oral and topical anti-inflammatory activities. The BuOH extract proved to be active against carrageenan and tetradecanoylphorbol acetate acute edemas and allowed the isolation of three saponins identified by spectroscopic techniques as 3 beta-O-(O-alpha-L-rhamnopy...

journal_title：Planta medica

authors： Just MJ,Recio MC,Giner RM,Cuéllar MJ,Máñez S,Bilia AR,Ríos JL

更新日期：1998-06-01 00:00:00

abstract：:An Alkanna orientalis leaf and flower extract inhibited the growth of Staphylococcus aureus, a pathogen that causes an estimated 478 000 hospitalizations in the US annually. Bioassay-guided fractionation of A. orientalis resulted in isolation of the flavonoid sarothrin (5,7,4'-trihydroxy-3,6,8-trimethoxyflavone), whic...

journal_title：Planta medica

authors： Bame JR,Graf TN,Junio HA,Bussey RO 3rd,Jarmusch SA,El-Elimat T,Falkinham JO 3rd,Oberlies NH,Cech RA,Cech NB

更新日期：2013-03-01 00:00:00

abstract：:Effects of passage of subculture and several culture conditions, nutritional, hormonal and light conditions on 3,4-dihydroxyphenylalanine (DOPA) content were examined in callus of STIZOLOBIUM HASSJOO P IPER and T RACY. The favourable conditions for DOPA accumulation were found to be suboptimal conditions for growth, i...

journal_title：Planta medica

authors： Obata-Sasamoto H,Komamine A

更新日期：1983-10-01 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：:Increased osteoclastic bone resorption plays a central role in the pathogenesis of many bone diseases. Ganoderma lucidum is known for medicinal effects such as anti-inflammatory and anti-bone resorption activities. In this study, we investigated the inhibitory effects of ganoderic acids isolated from G. lucidum on ost...

journal_title：Planta medica

authors： Liu J,Shiono J,Shimizu K,Kondo R

更新日期：2010-02-01 00:00:00

abstract：:This study aimed to elucidate the mechanisms of nuciferine (a main aporphine alkaloid of lotus leaf extract), which can induce relaxation in contracted tracheal rings. Under Ca2+-free and 2 mM Ca2+ conditions, we found that nuciferine had no effect on the resting muscle tone of tracheal rings. In contrast, nuciferine ...

journal_title：Planta medica

authors： Yang X,Yu MF,Lei J,Peng YB,Zhao P,Xue L,Chen W,Ma LQ,Liu QH,Shen J

更新日期：2018-01-01 00:00:00

abstract：:A simultaneous separation of the enantiomers of kawain, dihydrokawain, methysticin, and dihydromethysticin as well as the achiral dienolides yangonin and demethoxyyangonin was carried out on a ChiraSpher NT column. This HPLC method can be used for the investigation of the enantiomeric purity of plant material and herb...

journal_title：Planta medica

authors： Häberlein H,Boonen G,Beck MA

更新日期：1997-02-01 00:00:00

abstract：:Investigation of Podachaenium eminens afforded nine sesquiterpene lactones (Sls) from which costunolide, 7-hydroxycostunolide, santamarin as well as 3-chlorodehydroleucodin are new for this plant and 3,4-dehydro-4-dehydroxypodachaenin (= 3-costoyloxydehydroleucodin) is found for the first time in nature. All isolated ...

journal_title：Planta medica

authors： Castro V,Murillo R,Klaas CA,Meunier C,Mora G,Pahl HL,Merfort I

更新日期：2000-10-01 00:00:00

abstract：:The purpose of this study was to observe the protective effects of α-boswellic acids on hypoxia-induced pulmonary vascular structural remodeling in pulmonary arterial smooth muscle cells in a hypertensive rat model. Pulmonary arterial smooth muscle cells were cultured and then randomly divided into four groups: normox...

journal_title：Planta medica

authors： Xiao B,Zhang G,Ali Sheikh MS,Shi R

更新日期：2017-01-01 00:00:00

abstract：:Two new beta-carboline alkaloids, hedyocapitelline and hedyocapitine, were isolated from Hedyotis capitellata var. mollis (Rubiaceae). Their structures were elucidated by spectroscopic data (1)H- and (13)C-NMR, MS, IR, UV). ...

journal_title：Planta medica

authors： Phuong NM,Van Sung T,Porzel A,Schmidt J,Adam G

更新日期：1999-12-01 00:00:00

abstract：:High molecular compounds from Chinese herbal medicines, including ribosome-inactivating proteins and polysaccharides from both fungi and high plants have been tested for the treatment of malignant diseases. Polysaccharides possessing immunostimulating activities can be used as adjuvants in tumor treatment. The fungi c...

journal_title：Planta medica

authors： Tang W,Hemm I,Bertram B

更新日期：2003-03-01 00:00:00

abstract：:From the fresh, undried, and uncrushed leaves of NERIUM OLEANDER a new triterpenoid, kanerocin, has been isolated along with known ursolic and oleanolic acids and its structure established through chemical and spectroscopic methods as 3alpha-hydroxy-urs-18,20-dien-28-oic acid. ...

journal_title：Planta medica

authors： Siddiqui S,Siddiqui BS,Begum S,Hafeez F

更新日期：1989-06-01 00:00:00

abstract：:Cuttings of a clone of A. annua L. (Asteraceae), grown under 16 h photoperiod for 55 days were transferred to six photoperiod treatments in the greenhouse. Under short photoperiods (8, 10, or 12 h), plants flowered after two weeks; plants under long photoperiods (16, 20, or 24 h) remained vegetative until termination ...

journal_title：Planta medica

authors： Ferreira JF,Simon JE,Janick J

更新日期：1995-04-01 00:00:00

abstract：:A new furoclerodane, croblongifolin, together with one known clerodane, crovatin and one known labdane, nidorellol, were isolated from the stem bark of Croton oblongifolius. Structures were established based on spectroscopic and X-ray analysis. Croblongifolin showed a significant cytotoxicity against various human tum...

journal_title：Planta medica

authors： Roengsumran S,Musikul K,Petsom A,Vilaivan T,Sangvanich P,Pornpakakul S,Puthong S,Chaichantipyuth C,Jaiboon N,Chaichit N

更新日期：2002-03-01 00:00:00

abstract：:Activity-guided fractionation of the dichloromethane extract from leaves of Piper fulvescens, using an agar overlay bioautographic method, led to the isolation of three antifungal neolignans identified as conocarpan, eupomatenoid 5 and eupomatenoid 6. The minimal inhibitory concentration of these three neolignans agai...

journal_title：Planta medica

authors： Freixa B,Vila R,Ferro EA,Adzet T,Cañigueral S

更新日期：2001-12-01 00:00:00

abstract：:Jujuboside A (JuA) is a glycoside extracted from the seed of Ziziphus jujuba Mill var. spinosa (Bunge) Hu ex H F Chou, a Chinese herbal medicine, which has long been known as a sedative-hypnotic drug. The present study used the method of intracerebroventricular (i.c.v.) JuA in vivo to detect the effect of JuA on paire...

journal_title：Planta medica

authors： Shou C,Feng Z,Wang J,Zheng X

更新日期：2002-09-01 00:00:00

abstract：:Chromatographically purified fractions of aqueous-ethanolic extracts from Baptisia tinctoria roots contained a strong lymphocyte DNA synthesis-stimulating activity. Electrophoretic analysis of these fractions revealed four distinct protein bands with molecular masses of P1 = 58 kD; P4 = 31 kD; P5 = 26 kD; and P6 = 14 ...

journal_title：Planta medica

authors： Beuscher N,Scheit KH,Bodinet C,Kopanski L

更新日期：1989-08-01 00:00:00

abstract：:Many compounds of plant origin have been identified that inhibit different stages in the replication cycle of human immunodeficiency virus (HIV): 1) virus adsorption: chromone alkaloids (schumannificine), isoquinoline alkaloids (michellamines), sulphated polysaccharides and polyphenolics, flavonoids, coumarins (glycoc...

journal_title：Planta medica

authors： Vlietinck AJ,De Bruyne T,Apers S,Pieters LA

更新日期：1998-03-01 00:00:00

abstract：:Sesquiterpene lactones 1-5 were isolated for the first time from the ethyl acetate of Vernonia fastigiata (Asteraceae). Compounds 3, 4 and 5 are new, compounds 1 and 2 have been found earlier in other Vernonia species but not in V. fastigiata. ...

journal_title：Planta medica

authors： Roos G,Prawat H,Walter CU,Klaiber I,Vogler B,Guse JH,Kraus W

更新日期：1998-10-01 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：:A method was developed to distinguish Vaccinium species based on leaf extracts using nuclear magnetic resonance spectroscopy. Reference spectra were measured on leaf extracts from several species, including lowbush blueberry (Vaccinium angustifolium), oval leaf huckleberry (Vaccinium ovalifolium), and cranberry (Vacci...

journal_title：Planta medica

authors： Markus MA,Ferrier J,Luchsinger SM,Yuk J,Cuerrier A,Balick MJ,Hicks JM,Killday KB,Kirby CW,Berrue F,Kerr RG,Knagge K,Gödecke T,Ramirez BE,Lankin DC,Pauli GF,Burton I,Karakach TK,Arnason JT,Colson KL

更新日期：2014-06-01 00:00:00

abstract：:Water-soluble and alkaline-soluble polysaccharide fractions, prepared from roots and leaves of PANAX GINSENG C.A. Meyer, were fractionated into strongly acidic, weakly acidic, and neutral polysaccharide fractions by cetyltrimethyammonium bromide, respectively. The roots contained a larger amount of crude polysaccharid...

journal_title：Planta medica

authors： Gao QP,Kiyohara H,Cyong JC,Yamada H

更新日期：1989-02-01 00:00:00

abstract：:The steam distilled oils both from flowers and leaves, as well as from total aerial parts of CHRYSANTHEMUM INDICUM L. (small-flowered form), were obtained and analyzed by GC and GC/MS. Their main components are borneol, chrysanthenone and bornyl acetate. ...

journal_title：Planta medica

authors： Stoianova-Ivanova B,Budzikiewicz H,Koumanova B,Tsoutsoulova A,Mladenova K,Brauner A

更新日期：1983-12-01 00:00:00