Quantitative analysis of strychnine and Brucine in Strychnos nux-vomica using 1H-NMR.

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：: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：:Angelicae Sinensis Radix is commonly used in traditional Chinese medicine. Pharmacological studies show that Angelicae Sinensis Radix has clear anticoagulant activity. Therefore, in this study, the anticoagulant activity of crude Angelicae Sinensis Radix extracts was investigated by measuring the thrombin times of the...

journal_title：Planta medica

authors： Wang L,Huang S,Chen B,Zang XY,Su D,Liang J,Xu F,Liu GX,Shang MY,Cai SQ

更新日期：2016-03-01 00:00:00

abstract：:Three new steroidal saponins were isolated from the fruits of Tribulus terrestris, and their structures were elucidated as (25R,S)-5 alpha-spirostane-12-one-3 beta-ol-3-O-beta-xylopyranosyl(1-->2)- [beta-xylopyranosyl(1-->3)]-beta-glucopyranosyl(1-->4)-[alpha-rhamno- pyranosyl(1-->2)]-beta-galactopyranoside; 26-O-beta...

journal_title：Planta medica

authors： Cai L,Wu Y,Zhang J,Pei F,Xu Y,Xie S,Xu D

更新日期：2001-03-01 00:00:00

abstract：:Sangre de Grado extract used by Peruvian natives as a cicatrizant agent, was collected from trees of the species Croton lechleri growing in the Peruvian jungle. The Sangre de Grado was found to contain one alkaloid identified as taspine and which was shown to be the active cicatrizant principle by an in vivo test in m...

journal_title：Planta medica

authors： Vaisberg AJ,Milla M,Planas MC,Cordova JL,de Agusti ER,Ferreyra R,Mustiga MC,Carlin L,Hammond GB

更新日期：1989-04-01 00:00:00

abstract：:Malaria is a parasitic disease endemic to tropical and subtropical regions responsible for hundreds of millions of clinical cases and hundreds of thousands of deaths yearly. Its agent, the Plasmodium sp., has a highly variable antigenicity, which accounts for the emergence and spread of resistance to all available tre...

journal_title：Planta medica

authors： Mamede L,Ledoux A,Jansen O,Frédérich M

更新日期：2020-06-01 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：:The quantification of free and total alkannins in 13 endemic Anatolian Alkanna species is described for the first time. Extraction of the samples was performed by sonication with hexane, followed by hydrolysis in 1 N NaOH. For analysis, a new HPLC method, utilizing reversed phase material (Synergi Max RP), was develop...

journal_title：Planta medica

authors： Pekin G,Ganzera M,Senol S,Bedir E,Korkmaz KS,Stuppner H

更新日期：2007-03-01 00:00:00

abstract：:The phytochemical investigation of the aerial parts of LACTUCA SALIGNA L. revealed the presence of lactucin, lactucopicrin, and a new guaianolide named 11beta,13-dihydrolactucopicrin. The structural configuration was established through spectral data. ...

journal_title：Planta medica

authors： Khalil AT,El-Fattah HA,Mansour ES

更新日期：1991-04-01 00:00:00

abstract：:A new tetrahydrofuran lignan, named henricine ( 1), was isolated from the stems of SCHISANDRA HENRYI. High resolution COSY spectrum was used in the structural elucidation. ...

journal_title：Planta medica

authors： Lian-Niang L,Hong X

更新日期：1986-12-01 00:00:00

abstract：:A new resveratrol dimer, (+)-vitisinol E (1) which demonstrated inhibitory activity on BACE-1 (beta-site APP-cleaving enzyme 1) in vitro, was isolated from the stembark extract of Vitis vinifera (Vitaceae) together with four known resveratrol oligomers, (+)-epsilon-viniferin (2), (+)-ampelopsin A (3), (+)-vitisin A (4...

journal_title：Planta medica

authors： Choi YH,Yoo MY,Choi CW,Cha MR,Yon GH,Kwon DY,Kim YS,Park WK,Ryu SY

更新日期：2009-04-01 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：: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

abstract：:Products of lipoxygenase metabolism play a role in the pathogenesis of psoriasis. Four protoberberine alkaloids, berberine, oxyberberine, jatrorrhizine, columbamine, and two aporphine alkaloids, magnoflorine, and corytuberine, isolated from Mahonia aquifolium, were tested for lipoxygenase inhibition. Oxyberberine, cor...

journal_title：Planta medica

authors： Misík V,Bezáková L,Máleková L,Kostálová D

更新日期：1995-08-01 00:00:00

abstract：:An analytical method using HPLC with UV detection was developed to investigate the quassinoid content of Eurycoma longifolia Jack (Simaroubaceae) collected from various sources. Eurycomanone (1), longilactone (2), 14,15beta-dihydroxyklaineanone (3), 15beta-acetyl-14-hydroxyklaineanone (4), 6alpha-hydroxyeurycomalacton...

journal_title：Planta medica

authors： Chan KL,Choo CY,Morita H,Itokawa H

更新日期：1998-12-01 00:00:00

abstract：:Recently, an increasing number of pharmacists had to supply medicinal products based on Cannabis sativa L. (Cannabaceae), prescribed by physicians to individual patients. Cannabis olive oil preparation is the first choice as a concentrated extract of cannabinoids, even though standardized operative conditions for obta...

journal_title：Planta medica

authors： Casiraghi A,Roda G,Casagni E,Cristina C,Musazzi UM,Franzè S,Rocco P,Giuliani C,Fico G,Minghetti P,Gambaro V

更新日期：2018-03-01 00:00:00

abstract：:The indole alkaloid content of RAUWOLFIA SERPENTINA roots from regenerated plants (from stem-and root-callus) was compared with the parental stock. Although the total alkaloid content seems to be slightly higher in the roots from regenerated plants, HPLC-analysis of individual alkaloids indicated that the contents of ...

journal_title：Planta medica

authors： Ruyter CM,Akram M,Illahi I,Stöckigt J

更新日期：1991-08-01 00:00:00

abstract：:The anti-inflammatory activity of alpha-viniferin, a trimer of resveratrol, has been demonstrated in an animal model of carrageenin-induced paw edema, and inhibitory effects of the compound on cyclooxygenase (COX) and inducible nitric oxide synthase (iNOS) have been investigated in order to understand the mode of the ...

journal_title：Planta medica

authors： Chung EY,Kim BH,Lee MK,Yun YP,Lee SH,Min KR,Kim Y

更新日期：2003-08-01 00:00:00

abstract：:We report a sensitive method for the estimation of quinine (Qn), cinchonine (Cn), and cinchonidine (Cnd) and a new method based on fluorescence enhancement and detection and quantification of quinidine (Qnd) from Cinchona stem bark and its formulations, using HPTLC. Standard solutions of Qn, Qnd, Cn, and Cnd were appl...

journal_title：Planta medica

authors： Ravishankara MN,Shrivastava N,Padh H,Rajani M

更新日期：2001-04-01 00:00:00

abstract：:A new cytotoxic cyclopenta[b]benzofuran derivative, aglaiformosanin (1) and three known cyclopenta[b]benzofuran derivatives (2 - 4) were isolated from the stem bark of Aglaia formosana. Compounds 1 - 4 exhibited potent cytotoxicity against the P-388, KB, HT-29, HL-60, and A549 cell lines. The structure of compound 1 w...

journal_title：Planta medica

authors： Wang SK,Duh CY

更新日期：2001-08-01 00:00:00

abstract：:The aim of this study was to investigate the protective effect of (S)-bakuchiol isolated from the seed of Psoralea corylifolia, on liver injury. Primary rat hepatocyte intoxication was induced by tert-butyl hydroperoxide (tBH), carbon tetrachloride (CCl4) or D-galactosamine (D-GalN). Liver injury was induced by either...

journal_title：Planta medica

authors： Park EJ,Zhao YZ,Kim YC,Sohn DH

更新日期：2005-06-01 00:00:00

abstract：:The inhibition of butyrylcholinesterase activity in human serum by protoberberine, benzophenanthridine and aporphine alkaloids as well as four model compounds has been studied. The mechanism of the inhibition is discussed on the basis of the different types of interaction of these compounds with butyrylcholinesterase ...

journal_title：Planta medica

authors： Ulrichová J,Walterová D,Preininger V,Simánek V

更新日期：1983-07-01 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：:Fresh Nagami kumquats (Fortunella margarita) were subjected to hydrodistillation using a Clevenger-type apparatus to obtain volatile oil. The chemical composition of the volatile oil was analyzed by GC-MS using Rtx-5 Sil MS and DB Wax columns. A total of 25 volatile compounds were identified by mass spectra, retention...

journal_title：Planta medica

authors： Jayaprakasha GK,Murthy KN,Demarais R,Patil BS

更新日期：2012-06-01 00:00:00

abstract：:In natural product chemistry, it is often crucial to determine sugar composition as well as the absolute configuration of each monosaccharide in glycosides. An ultra-performance liquid chromatography method using both photodiode array (PDA) and mass spectrometry detectors (UPLC-UV/MS) was developed for qualitative ana...

journal_title：Planta medica

authors： Wang YH,Avula B,Fu X,Wang M,Khan IA

更新日期：2012-05-01 00:00:00

abstract：:A novel stilbene glucoside was isolated from the root bark of Morus alba L. (Moraceae), along with mulberroside A, cis-mulberroside A, oxyresveratrol. The structure of the novel stilbene glucoside was determined as oxyresveratrol 3'-O-beta-glucopyranoside. ...

journal_title：Planta medica

authors： Qiu F,Komatsu K,Kawasaki K,Saito K,Yao X,Kano Y

更新日期：1996-12-01 00:00:00

abstract：:Seven coumarins were isolated from the aerial parts of Tordylium apulum; their structures were established by spectroscopic means. All compounds were tested in vitro for their cytotoxicity against two cell line systems. The antiproliferative effects for three of them were studied at the level of the cell cycle in asyn...

journal_title：Planta medica

authors： Kofinas C,Chinou I,Loukis A,Harvala C,Roussakis C,Maillard M,Hostettmann K

更新日期：1998-03-01 00:00:00

abstract：:A MeOH extract prepared from culture of an actinomycete Streptomyces sp. HZP-2216E isolated from marine green algae Ulva pertusa was found to significantly inhibit proliferation of human glioma cells. Two different media were applied to culture this marine actinomycete, which produced two new compounds of 23-O-butyryl...

journal_title：Planta medica

authors： Zhang Z,Chen L,Zhang X,Liang Y,Anjum K,Chen L,Lian XY

更新日期：2017-12-01 00:00:00

abstract：:The in vitro antiprotozoal activity of 18 natural flavonoids has been determined against Entamoeba histolytica and Giardia lamblia. (-)-Epicatechin, (-)-epigallocatechin and kaempferol were the most active flavonoids against both protozoa. ...

journal_title：Planta medica

authors： Calzada F,Meckes M,Cedillo-Rivera R

更新日期：1999-02-01 00:00:00

abstract：:Shoot-tips from several genotypes of the cardenolide-producing perennial shrub Digitalis obscura L. were successfully cryopreserved using the encapsulation-dehydration technique. Precultivation on MS medium containing 0.5 M sucrose, followed by 2.5 h dehydration (final weight 30 %) induced shoot regrowth in 42 % of cr...

journal_title：Planta medica

authors： Sales E,Nebauer SG,Arrillaga I,Segura J

更新日期：2001-12-01 00:00:00