[Formation of allicin from dried garlic (Allium sativum): a simple HPTLC method for simultaneous determination of allicin and ajoene in dried garlic and garlic preparations].

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：: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：:A systematic structure-activity relationship of 3beta-hydroxy-27- P- E-coumaroyloxyurs-12-en-28-oic acid ( 7), a triterpene ester isolated from UNCARIA RHYNCHOPHYLLA as a phospholipase Cgamma1 inhibitor, was undertaken with a view toward elucidating its chemical mode of action on PLCgamma1. Related derivatives and ana...

journal_title：Planta medica

authors： Lee JS,Yoo H,Suh YG,Jung JK,Kim J

更新日期：2008-10-01 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：:Products derived from Noni fruit (Morinda citrifolia) have been commercialised in the USA since the 1990s and are increasingly distributed all over the world. A large number of beneficial effects have been claimed for Noni. Fruit juice of Noni has been approved as a Novel Food by the European Commission in 2003. This ...

journal_title：Planta medica

authors： Potterat O,Hamburger M

更新日期：2007-03-01 00:00:00

abstract：:The present study assessed the absolute and relative bioavailabilities of dodeca-2 E,4 E,8 Z,10 E/ Z-tetraenoic acid isobutylamides (tetraenes), the main bioactive constituents in Echinacea, administered as pure compounds or in the form of an Echinacea purpurea root extract preparation. Tetraenes were administered ora...

journal_title：Planta medica

authors： Ardjomand-Woelkart K,Kollroser M,Magnes C,Sinner F,Frye RF,Derendorf H,Bauer R,Butterweck V

更新日期：2011-11-01 00:00:00

abstract：:Activator protein 1 (AP-1) is a transcription factor which plays a critical role in inflammation and carcinogenesis. The present study was conducted to investigate the effect of berberine, an isoquinoline alkaloid present in plants of the genera Berberis and Coptis, on the activity of AP-1 using a reporter gene assay ...

journal_title：Planta medica

authors： Fukuda K,Hibiya Y,Mutoh M,Koshiji M,Akao S,Fujiwara H

更新日期：1999-05-01 00:00:00

abstract：:Two new C(18) dibenzocyclooctadiene lignans named heteroclitalignans A and B (1 and 3), one new C(19) homolignan named heteroclitalignan C(4) and one new natural product named heteroclitalignan D(2), together with the four known lignans kadsurarin (5), kadsulignan E (6), d-epigalbacin, and meso-dihydroguaiaretic acid ...

journal_title：Planta medica

authors： Wang W,Liu J,Liu R,Xu Z,Yang M,Wang W,Liu P,Sabia G,Wang X,Guo D

更新日期：2006-02-01 00:00:00

abstract：:The olive (Olea europaea) leaf is considered an important traditional herbal medicine utilized against infectious diseases, and for the treatment of diabetes and hypertension. Moreover, olive leaf constituents have been related to cardioprotection, probably due to their association with cellular redox modulating effec...

journal_title：Planta medica

authors： Efentakis P,Iliodromitis EK,Mikros E,Papachristodoulou A,Dagres N,Skaltsounis AL,Andreadou I

更新日期：2015-06-01 00:00:00

abstract：:Lipophilic extracts of Isatis tinctoria L. exhibit significant activity against several clinically relevant targets of inflammation. The alkaloid tryptanthrin was identified as one of the active principles in woad and characterised as a potent dual inhibitor of COX-2 and 5-LOX. Here, the anti-inflammatory efficacy of ...

journal_title：Planta medica

authors： Heinemann C,Schliemann-Willers S,Oberthür C,Hamburger M,Elsner P

更新日期：2004-05-01 00:00:00

abstract：:A new isoprenylated xanthone, cudrafrutixanthone A, was isolated from the roots of Cudrania fruticosa, together with 18 known compounds. Their structures were elucidated by spectroscopic methods. Most isoprenylated xanthones exhibited cytotoxicity against HCT-116, SMMC-7721, SGC-7901, and BGC-823 cell lines with IC (5...

journal_title：Planta medica

authors： Wang YH,Hou AJ,Zhu GF,Chen DF,Sun HD

更新日期：2005-03-01 00:00:00

abstract：:Based on rDNA ITS sequences of D. officinale and the other 37 species of Dendrobium, a pair of allele-specific diagnostic primers, TP-JB01S and TP-JB01X, were designed to authenticate D. officinale from the other species. Before the diagnostic PCR, the primer pair, P1 and P2, for amplifying the whole ITS region was us...

journal_title：Planta medica

authors： Ding X,Wang Z,Zhou K,Xu L,Xu H,Wang Y

更新日期：2003-06-01 00:00:00

abstract：:Casearin X (CAS X) is the major clerodane diterpene isolated from the leaves of Casearia sylvestris and has been extensively studied due to its powerful cytotoxic activity at low concentrations. Promising results for in vivo antitumor action have also been described when CAS X was administered intraperitoneally in mic...

journal_title：Planta medica

authors： Moreira da Silva R,de Gaitani CM,Marques LMM,Fraige Baraco K,Cavalheiro AJ,de Moraes LAB,Lopes NP,de Oliveira ARM

更新日期：2019-03-01 00:00:00

abstract：:Recently, we showed that intravenous (i.v.) treatment with the essential oil of Mentha x villosa (EOMV) in pentobarbitone-anaesthetised rats decreased blood pressure; the effect occurred independently of the presence of an operational central autonomic drive to the cardiovascular system. This finding suggested that th...

journal_title：Planta medica

authors： Lahlou S,Magalhães PJ,Carneiro-Leão RF,Leal-Cardoso JH

更新日期：2002-08-01 00:00:00

abstract：:Six new neo-clerodane diterpenoids (1: -6: ), scutebatas X - Z, A1-C1, along with twelve known ones (7: -18: ) were obtained via the phytochemical investigation of the aerial parts of Scutellaria barbata. Their structures were established by detailed spectroscopic analysis. The absolute configurations of 1: and 2: , a...

journal_title：Planta medica

authors： Yang GC,Hu JH,Li BL,Liu H,Wang JY,Sun LX

更新日期：2018-11-01 00:00:00

abstract：:(3R,6R)-4-methyl-6-(1-methylethyl)-3-phenylmethylperhydro-1,4-oxazine-2,5-dione (1) was isolated from the fruiting bodies of Isaria japonica as an apoptosis-inducing agent. The complete structural assignment of the compound was accomplished on the basis of spectroscopic methods and chemical transformations. Compound 1...

journal_title：Planta medica

authors： Oh H,Kim T,Oh GS,Pae HO,Hong KH,Chai KY,Kwon TO,Chung HT,Lee HS

更新日期：2002-04-01 00:00:00

abstract：:The inhibitory action of the major constituent of Sebastiania schottiana (Euphorbiaceae), 2-hydroxy-4,6-dimethoxyacetophenone (xanthoxyline) on contractions induced by agonists and electrical stimulation of smooth and cardiac muscle preparations was analysed. Xanthoxyline (30 to 300 microM) inhibited contractions of t...

journal_title：Planta medica

authors： Calixto JB,Miguel OG,Yunes RA,Rae GA

更新日期：1990-02-01 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：: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：:Antioxidants such as vitamin E may act differently on skin cells depending on the age of the skin and the level of oxidative damage induced. The effects of alpha-tocopherol (ATF) on H(2)O(2)-induced DNA damage and telomere shortening of normal human skin fibroblast cells derived from young and old individual donors we...

journal_title：Planta medica

authors： Makpol S,Zainuddin A,Rahim NA,Yusof YA,Ngah WZ

更新日期：2010-06-01 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：:Ent-11alpha-hydroxy-16-kauren-15-one (1) induced apoptosis in a human leukemia cell line (HL-60 cells), however, the apoptosis-inducing properties of 1 and its related compounds remain to be proved. We examined the involvement of caspases, a family of cysteine aspartic proteases, which play a central role in induction...

journal_title：Planta medica

authors： Nagashima F,Kondoh M,Kawase M,Simizu S,Osada H,Fujii M,Watanabe Y,Sato M,Asakawa Y

更新日期：2003-04-01 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：:This paper studies the effect of different concentrations of ethephon on the levels of the sesquiterpene, nootkatone, and of the flavanones, naringin and narirutin, in grapefruit fruits. The results show that nootkatone synthesis and/or accumulation was stimulated by all the concentrations of ethephon assayed, while t...

journal_title：Planta medica

authors： Puig DG,Pérez ML,Fuster MD,Ortuño A,Sabater F,Porras I,Lidón AG,Del Río JA

更新日期：1995-06-01 00:00:00

abstract：:Herpes simplex virus infections persist throughout the lifetime of the host and affect more than 80 % of the humans worldwide. The intensive use of available therapeutic drugs has led to undesirable effects, such as drug-resistant strains, prompting the search for new antiherpetic agents. Although diverse bioactivitie...

journal_title：Planta medica

authors： Nocchi SR,Companhoni MV,de Mello JC,Dias Filho BP,Nakamura CV,Carollo CA,Silva DB,Ueda-Nakamura T

更新日期：2017-04-01 00:00:00

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：:Menopause is characterized by deep metabolic disturbances, including decreased insulin sensitivity, adiposity, and changes in lipid profiles. Estrogen replacement therapy can partially reverse these changes, and while it is safe in most healthy postmenopausal women, there are still existing concerns regarding an incre...

journal_title：Planta medica

authors： Jeremic I,Petricevic S,Tadic V,Petrovic D,Tosic J,Stanojevic Z,Petronijevic M,Vidicevic S,Trajkovic V,Isakovic A

更新日期：2019-04-01 00:00:00

abstract：:Cell Suspension cultures of THAMNOSMA MONTANA were grown in Gamborg B5 medium which was best suited for acridone alkaloid formation. From the lyophilized cell material nine acridones and three acridone-monoglucosides have been isolated which were found for the first time in the genus THAMNOSMA. Moreover, N-methylacrid...

journal_title：Planta medica

authors： Baumert A,Maier W,Matern U,Schmidt J,Schumann B,Gröger D

更新日期：1994-04-01 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：: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