Bioactive compounds from the buds of Platanus orientalis and isolation of a new kaempferol glycoside.

abstract：:Transient receptor potential channels and cannabinoid receptors are deputed to the regulation of sensory, homeostatic, and inflammatory events in the human organism. Therefore, their modulation promises to have relevant applications in important therapeutic areas such as inflammation, pain, and cancer. This review sum...

journal_title：Planta medica

authors： Rigano D,Formisano C,Taglialatela-Scafati O

更新日期：2016-06-01 00:00:00

abstract：:A study of secondary metabolites from the bark of Alnus glutinosa led to the isolation of fourteen diarylheptanoids: oregonin (1), platyphylloside (2), rubranoside A (3), rubranoside B (4), hirsutanonol (5), hirsutenone (6), hirsutanonol-5-O-β-D-glucopyranoside (7), platyphyllonol-5-O-β-D-xylopyranoside (8), aceroside...

journal_title：Planta medica

authors： Novaković M,Stanković M,Vučković I,Todorović N,Trifunović S,Tešević V,Vajs V,Milosavljević S

更新日期：2013-04-01 00:00:00

abstract：:Verbascoside is a phenylethanoid glycoside widely distributed in nature, especially among the order Lamiales, occurring in numerous plants that are constituents of folk medicine preparations. This natural compound, previously isolated by our group from the ethyl acetate extract of Lantana trifolia using the gradient a...

journal_title：Planta medica

authors： Leitão GG,Pinto SC,de Oliveira DR,Timoteo P,Guimarães MG,Cordova WH,Leitão SG

更新日期：2015-11-01 00:00:00

abstract：:Callus extracts of Crocus sativus exhibited the ability to transform all-trans-crocetin into its related glycosides between pH 7.0 and 7.6 in the presence of uridine-diphospho-glucose. The reactions involved the step-wise addition of a glucose moiety to a free carboxyl function and the 1-->6 addition of a glucose moie...

journal_title：Planta medica

authors： Dufresne C,Cormier F,Dorion S

更新日期：1997-04-01 00:00:00

abstract：:Picroliv, a standardized extract from the plant Picrorhiza kurrooa containing active constituents, showed a significant dose dependent (3-12 mg/kg p.o. x 7) protective activity against galactosamine-induced hepatic damage in rat as evaluated on the isolated hepatocytes (ex vivo) preparation. It markedly increased the ...

journal_title：Planta medica

authors： Visen PK,Shukla B,Patnaik GK,Dhawan BN

更新日期：1993-02-01 00:00:00

abstract：:Compelling evidence suggests that infiltrating CD4+ type I helper T (Th1) cells in the pancreatic islets play a pivotal role in the progression of diabetes in non-obese diabetic (NOD) mice. We demonstrate in the present report that a butanol fraction of B. pilosa suppressed the development of diabetes, helped maintain...

journal_title：Planta medica

authors： Chang SL,Chang CL,Chiang YM,Hsieh RH,Tzeng CR,Wu TK,Sytwu HK,Shyur LF,Yang WC

更新日期：2004-11-01 00:00:00

abstract：:Two phenolic triterpenoids, pristimerol (30 µg/mL) and 8- EPI-6-deoxoblepharodol (20 µg/mL), obtained by catalytic reduction of pristimerin, exhibited bacteriostatic action against Staphylococcus epidermidis. This activity was not dependent on the inoculum size and the growth phase although it showed a stronger effect...

journal_title：Planta medica

authors： López MR,de León L,Moujir L

更新日期：2011-05-01 00:00:00

abstract：:We have previously reported that saiboku-to, an Oriental herbal remedy composed of a mixture of 10 different herbal extracts, possesses anti-histamine release effect on mast cells in rats. This effect may be due mainly to the extract of the bark of Magnolia obovata (M. obovata), a constituent herb of saiboku-to. In th...

journal_title：Planta medica

authors： Ikarashi Y,Yuzurihara M,Sakakibara I,Nakai Y,Hattori N,Maruyama Y

更新日期：2001-11-01 00:00:00

abstract：:In this study we investigated the effects of concomitant food intake on the bioavailability of distinct boswellic acids (BAs) from the test preparation BSE-018, a dry extract from Boswellia serrata gum resin. In a randomised, open, single-dose, two-way crossover study, healthy male subjects received three capsules of ...

journal_title：Planta medica

authors： Sterk V,Büchele B,Simmet T

更新日期：2004-12-01 00:00:00

abstract：:Isovitexin exhibits potent antioxidant activities. In this study, the activity of nitric oxide synthase (iNOS) in lipopolysaccharide (LPS)-activated RAW264.7 macrophages after incubation with isovitexin was investigated. Isovitexin was able to reduce the production of hydrogen peroxide induced by LPS in mouse macropha...

journal_title：Planta medica

authors： Lin CM,Huang ST,Liang YC,Lin MS,Shih CM,Chang YC,Chen TY,Chen CT

更新日期：2005-08-01 00:00:00

abstract：:Ocimum basilicum L. is an aromatic herb used in Brazil to treat illnesses such as respiratory and rheumatic problems, vomiting, and pain. In the present study, the chemical composition, acute toxicity, and antinociceptive effects of the essential oil (EO) of the cultivar "Maria Bonita" obtained from O. basilicum L. PI...

journal_title：Planta medica

authors： Venâncio AM,Onofre AS,Lira AF,Alves PB,Blank AF,Antoniolli AR,Marchioro M,Estevam Cdos S,de Araujo BS

更新日期：2011-05-01 00:00:00

abstract：:From the rhizomes of HYPOXIS OBTUSA two monoglucosides having the same aglycone as hypoxoside, 1-(3',4'- dihydroxyphenyl)-5-(3'',4''-dihydroxyphenyl)-1-pen-ten-4-yne, have been obtained. By methylation followed by hydrogenation they have been transformed into the same compound, 1-(3'-methoxy-4'- O-beta- D-glucopyranos...

journal_title：Planta medica

authors： Galeffi C,Multari G,De Vicente Y,Messana I,Nicoletti M,Marini-Bettolo GB

更新日期：1989-06-01 00:00:00

abstract：:Stellera chamaejasme, also known as "Langdu", has been traditionally used for the management of skin-related diseases such as psoriasis and skin ulcers. The aim of this study was to determine whether S. chamaejasme and its major component, luteolin 7-O-glucoside, have a preventive effect on the development of atopic d...

journal_title：Planta medica

authors： Jo BG,Park NJ,Jegal J,Choi S,Lee SW,Yi LW,Kim SN,Yang MH

更新日期：2019-05-01 00:00:00

abstract：:Propolis has been reported to display a broad spectrum of biological activities such as anticancer, antioxidant, anti-inflammatory, antibiotic and antifungal properties, among others. There is great interest not only in the determination of the chemical composition of propolis but also in the understanding of the mech...

journal_title：Planta medica

authors： Tavares DC,Lira WM,Santini CB,Takahashi CS,Bastos JK

更新日期：2007-12-01 00:00:00

abstract：:The investigation of the roots and aerial parts of EUPATORIUM CANNABIUM afforded, in addition to the sesquiterpene lactones eupatolide, eupatoriopicrin, and eucannabinolide isolated previously, eight further lactones, three of which are new. Furthermore, in addition to known compounds, a new clerodane derivative and t...

journal_title：Planta medica

authors： Zdero C,Bohlmann F

更新日期：1987-04-01 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：:Several synthetic aromatase inhibitors are currently in clinical use for the treatment of postmenopausal women with hormone-receptor positive breast cancer. However, these treatments may lead to untoward side effects and so the search for new aromatase inhibitors continues, especially those for which the activity is p...

journal_title：Planta medica

authors： Balunas MJ,Kinghorn AD

更新日期：2010-08-01 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：:Thyme extract is known to posses spasmolytic effects on isolated trachea and to increase ciliary activity. A small part of this effect is mediated via beta (2) receptors, but other receptors are supposed to be involved. Endothelin has a pathophysiological impact in asthma with respect to hyper-reagibility and contract...

journal_title：Planta medica

authors： Engelbertz J,Schwenk T,Kinzinger U,Schierstedt D,Verspohl EJ

更新日期：2008-10-01 00:00:00

abstract：:Phytochemical investigations of the stem of Kadsura heteroclita (Roxb) Craib (Schizandraceae) resulted in the isolation and structure elucidation of six new triterpenoidal compounds named heteroclitalactones A-E (1-5) as well as heteroclic acid (6) and heteroclitalactone F (7), which was isolated for the first time fr...

journal_title：Planta medica

authors： Wang W,Liu J,Han J,Xu Z,Liu R,Liu P,Wang W,Ma X,Guan S,Guo D

更新日期：2006-04-01 00:00:00

abstract：:Ten new polyhydroxyolean-12-ene pentacyclic triterpenoidal saponins, named rogchaponins 1-10, were isolated from the methanolic extract of the roots of Camellia sinensis by a series of chromatographic methods (silica gel flash column and C18 MPLC followed by C18 HPLC). Their structures were established by 1D and 2D-NM...

journal_title：Planta medica

authors： Varughese T,Manir MM,Rahaman M,Kim JK,Lee BG,Moon SS

更新日期：2011-12-01 00:00:00

abstract：:A new strain of Claviceps was isolated from a blokked mutant of Claviceps purpurea. This strain accumulates substantial amounts of clavine alkaloids (2 g/l). The alkaloid fraction is composed of chanoclavine-I ( approximately 10%) and a mixture of agroclavine/elymoclavine (90%). Most suitable for alkaloid production i...

journal_title：Planta medica

authors： Schumann B,Erge D,Maier W,Gröger D

更新日期：1982-05-01 00:00:00

abstract：:The accumulation of two dihydrofuroquinoline alkaloids has been studied in seventeen strains of Choisya ternata (Rutaceae) initiated from the same tree. The contents of platydesminium and balfourodinium vary in heavy proportions. The effect of some factors (age of the culture, NAA or glucose concentrations of the medi...

journal_title：Planta medica

authors： Gras M,Crèche J,Chénieux JC,Rideau M

更新日期：1982-12-01 00:00:00

abstract：:Four p-terphenyl derivatives named curtisians I-L (1-4) were isolated from the MeOH extract of the fruit bodies of Paxillus curtisii. Their structures were elucidated by 2D NMR, MS, IR and UV spectroscopy and chemical reaction. The absolute configurations of curtisians were determined by GC-MS on a chiral column of th...

journal_title：Planta medica

authors： Quang DN,Hashimoto T,Nukada M,Yamamoto I,Tanaka M,Asakawa Y

更新日期：2003-11-01 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：:From Polygonum hydropiper L., a C13-norisoprenoid glucoside was isolated and its absolute configuration was established to be (6S,9S)-roseoside (1) by spectroscopic evidence and X-ray crystallographic analysis of its acetate derivative (2). In addition, the stereostructure of roseoside from Canthium subcordatum was re...

journal_title：Planta medica

authors： Murai Y,Kashimura S,Tamezawa S,Hashimoto T,Takaoka S,Asakawa Y,Kiguchi K,Murai F,Tagawa M

更新日期：2001-07-01 00:00:00

abstract：:The solid dispersion of a poorly water-soluble Silybum marianum extract (SME) was prepared by a one-step fluid-bed coating technique depositing onto non-pareil pellets. In vitro evaluation indicated that this technique was highly efficient and reproducible producing pellets with acceptable appearance, flowability, fri...

journal_title：Planta medica

authors： Sun N,Zhang X,Lu Y,Wu W

更新日期：2008-02-01 00:00:00

abstract：:Bioactivity-guided fractionations for ACAT inhibitor led to the isolation of guineensine from the CHCl (3) extract of Piper longum. Its structure was identified by spectroscopic means (IR, UV, MS and NMR). Guineensine inhibited ACAT activity in a dose-dependent manner with an IC (50) value of 3.12 micro M. ...

journal_title：Planta medica

authors： Lee SW,Rho MC,Nam JY,Lim EH,Kwon OE,Kim YH,Lee HS,Kim YK

更新日期：2004-07-01 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：: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