Geraniol dehydrogenase: a determinant of essential oil quality in lemongrass1.

abstract：:The ether fraction of the defatted ethanol extract of the aerial parts of Caralluma penicillata (defl) M. E. Br. (Asclepiadaceae) yielded four new oxypregnane glycosides, penicillosides D-G. The structures of the isolated compounds were established by different spectroscopic methods. ...

journal_title：Planta medica

authors： Abdel-Sattar E,Meselhy MR,Al-Yahya MA

更新日期：2002-05-01 00:00:00

abstract：:The present study is aimed at evaluating the effects of luteolin on the scratching behavior associated with an allergic cutaneous reaction in mice. Elicitation of passive cutaneous anaphylaxis, and intradermal injections of compound 48/80, histamine or serotonin induced scratching behavior in ICR mice. Models of irrit...

journal_title：Planta medica

authors： Baolin L,Weiwei W,Ning T

更新日期：2005-05-01 00:00:00

abstract：:[6]-Gingerol potently inhibits peroxynitrite-induced oxidation and nitration reactions, but its mechanism of action is unclear. In order to discover the mechanism of inhibition, [6]-gingerol was reacted with peroxynitrite and the reaction mixture was analyzed using HPLC. The HPLC chromatogram showed one novel peak, in...

journal_title：Planta medica

authors： Ippoushi K,Ito H,Horie H,Azuma K

更新日期：2005-06-01 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：: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：:The medicinal properties of curcumin obtained from Curcuma longa L. cannot be utilised because of poor bioavailability due to its rapid metabolism in the liver and intestinal wall. In this study, the effect of combining piperine, a known inhibitor of hepatic and intestinal glucuronidation, was evaluated on the bioavai...

journal_title：Planta medica

authors： Shoba G,Joy D,Joseph T,Majeed M,Rajendran R,Srinivas PS

更新日期：1998-05-01 00:00:00

abstract：:The gamma-amino butyric acid (GABA) type A (GABA(A)) receptor represents a crucial target for clinical agents in the treatment of anxiety and insomnia. Using the two-microelectrode voltage clamp technique on recombinant α₁β₂γ(2S) GABA (A) receptors, effusol (1) and dehydroeffusol (2) were isolated in a bioactivity-gui...

journal_title：Planta medica

authors： Singhuber J,Baburin I,Khom S,Zehl M,Urban E,Hering S,Kopp B

更新日期：2012-03-01 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：:Praziquantel is the drug of choice for the treatment of schistosomiasis. However, several strains of Schistosoma mansoni are resistant to praziquantel, making it necessary to discover new drugs that might be used for its treatment. With this in mind, the properties of a schistosomicidal ethanolic extract of Garcinia b...

journal_title：Planta medica

authors： Castro AP,de Mattos AC,Pereira NA,Anchieta NF,Silva MS,Dias DF,Silva CA,Barros GV,Souza RL,Dos Santos MH,Marques MJ

更新日期：2015-06-01 00:00:00

abstract：:One new triterpene, kudinchalactone A (1), and four new triterpenoid saponins, ilekudinchosides A-D (2- 5), were isolated from the leaves of Ilex kudincha C. J. Tseng along with eight known triterpenoids. These new compounds were elucidated by spectroscopic methods including 1D and 2D NMR, HR-TOF-MS, and CD spectra. C...

journal_title：Planta medica

authors： Zuo WJ,Dai HF,Chen J,Chen HQ,Zhao YX,Mei WL,Li X,Wang JH

更新日期：2011-11-01 00:00:00

abstract：:Extract of Tan-Shen (Salvia miltiorrhiza, Labiatae), a Chinese traditional crude drug, was reported to show beneficial activity for heart disease. Chemical examination on the extract was performed on the basis of screening for protective action on the ischemic myocardium. Isolated hearts were subjected to hypoxic perf...

journal_title：Planta medica

authors： Yagi A,Fujimoto K,Tanonaka K,Hirai K,Takeo S

更新日期：1989-02-01 00:00:00

abstract：:Novel therapies are needed to address the public health problem posed by methicillin-resistant STAPHYLOCOCCUS AUREUS (MRSA). In this study, we determined the effects of combinations of antibiotics and plant polyphenols against 20 clinical isolates of MRSA. The IN VITRO activities of 10 antibiotics and 15 natural polyp...

journal_title：Planta medica

authors： Lin RD,Chin YP,Hou WC,Lee MH

更新日期：2008-06-01 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：: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：:Blood fluke of the genus Schistosoma are the etiological agents of human schistosomiasis, an important neglected tropical disease that afflicts over 200 million people worldwide. The treatment for this disease relies heavily on a single drug, praziquantel. Recent reports of praziquantel resistance raise concerns about...

journal_title：Planta medica

authors： Moraes Jd,Almeida AA,Brito MR,Marques TH,Lima TC,Sousa DP,Nakano E,Mendonça RZ,Freitas RM

更新日期：2013-03-01 00:00:00

abstract：:Bioassay-guided isolation of two new compounds, 3,4-methylenedioxy-3'-O-methyl-4'-O-glucoside ellagic acid (1) and the pteleoellagic acid derivative (2), from the stem bark of Pteleopsis hylodendron is reported along with 3,4-methylenedioxy-3'-O-methyl ellagic acid (3), 3,3'-di-O-methyl ellagic acid (4) and 3,3',4'-tr...

journal_title：Planta medica

authors： Atta-Ur-Rahman,Ngounou FN,Choudhary MI,Malik S,Makhmoor T,Nur-E-Alam M,Zareen S,Lontsi D,Ayafor JF,Sondengam BL

更新日期：2001-06-01 00:00:00

abstract：:The configurations of the component amino acids in ginseng tetrapeptide 1 isolated from Panax ginseng were determined by HPLC with an optical resolution column and the structure of 1 was established to be H-L-Val-gamma-D-Glu-D-Arg- Gly-OH. Synthesis of the ginseng tetrapeptide, 1, and of the configuration and conjugat...

journal_title：Planta medica

authors： Yagi A,Ishizu T,Okamura N,Noguchi S,Itoh H

更新日期：1996-04-01 00:00:00

abstract：:The effect of nitrogen and carbon sources on growth and diosgenin production was studied with Dioscorea deltoidea cells which were grown under defined conditions in a chemostat, and transferred to batch cultures. Both ammonium and nitrate nitrogen were required for growth and steroid production; diosgenin production w...

journal_title：Planta medica

authors： Tal B,Gressel J,Goldberg I

更新日期：1982-02-01 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：:Juniperus (Cupressaceae, Pinales) plants are widely distributed in the Qinghai-Tibet Plateau of China. The leaves and twigs of at least 8 Juniperus species (J. pingii, J. pingii var. wilsonii, J. squamata, J. recurva var. coxii, J. saltuaria, J. indica, J. tibetica and J. convallium var. microsperma) have been used as...

journal_title：Planta medica

authors： Yang YT,De J,Fu ZL,Wang XL,Chen DF,Xie H,Lu Y

更新日期：2020-11-01 00:00:00

abstract：:The dietary intake of flavonoids seems to be inversely related to cardiovascular mortality. The consumption of isoflavonoids is increasing in the general population, especially due to the use of food supplements and a variety of isoflavonoid-rich foods. However, detailed studies on the vascular influence of individual...

journal_title：Planta medica

authors： Migkos T,Pourová J,Vopršalová M,Auger C,Schini-Kerth V,Mladěnka P

更新日期：2020-07-01 00:00:00

abstract：:We aimed to find antiallergic agents from natural sources using mast cells activated during allergic reaction. We screened over 2000 plants for blockade of histamine release and identified two of them, S. baicalenesis and P. edulis. Bioassay-guided fractionation led to two main constituent flavonoids, baicalin from S....

journal_title：Planta medica

authors： Kim DS,Son EJ,Kim M,Heo YM,Nam JB,Ro JY,Woo SS

更新日期：2010-05-01 00:00:00

abstract：:Two new triterpenoid saponins, along with five known ones, were isolated from the EtOH extract of the whole plants of Androsace umbellata. The structures of the new triterpenoid saponins were identified as 3- O-[ beta- D-xylopyranosyl-(1-->2)- beta- D-glucopyranosyl-(1-->4)-[ beta- D-glucopyranosyl-(1-->2)]- alpha- L-...

journal_title：Planta medica

authors： Wang Y,Zhang D,Ye W,Yin Z,Fung KP,Zhao S,Yao X

更新日期：2008-08-01 00:00:00

abstract：:Three previously undescribed natural products, phomopsinin A - C (1:  - 3: ), together with three known compounds, namely, cis-hydroxymellein (4: ), phomoxanthone A (5: ) and cytochalasin L-696,474 (6: ), were isolated from the solid culture of Phomopsis sp. CAM212, an endophytic fungus obtained from Garcinia xanthoch...

journal_title：Planta medica

authors： Jouda JB,Njoya EM,Fobofou SAT,Zhou ZY,Qiang Z,Mbazoa CD,Brandt W,Zhang GL,Wandji J,Wang F

更新日期：2020-09-01 00:00:00

abstract：:The effects of four fractions, a hexane fraction, an ethyl acetate fraction, an N-butanol fraction and a water fraction, from a water extract of Herba Visci were investigated to find the fraction, in IN VITRO experiments, with the greatest ability to inhibit the formation of osteoclast-like multinucleated cells from m...

journal_title：Planta medica

authors： Yin J,Han N,Xu X,Liu Z,Zhang B,Kadota S

更新日期：2008-02-01 00:00:00

abstract：:The special extract of Cimicifuga racemosa (CR) BNO 1055 was shown to have bone protective effects without exerting estrogenic effects in the uterus or mammary gland. Whether the effects of CR BNO 1055 would be exerted in other organs that also express estrogen receptors (ERs) but in which the effects of estrogens and...

journal_title：Planta medica

authors： Seidlova-Wuttke D,Jarry H,Wuttke W

更新日期：2009-10-01 00:00:00

abstract：:Strictosidine synthase was partially purified from Catharanthus roseus cell suspension cultures and immobilized on CNBr-activated Sepharose. The immobilized enzyme exhibits a thermostability increased 300 fold over that of the soluble enzyme and catalyses exclusively the formation of the 3alpha(S)-isomer, strictosidin...

journal_title：Planta medica

authors： Pfitzner U,Zenk MH

更新日期：1982-09-01 00:00:00

abstract：:Treatment of 28-hydroxyolean-12-enes with N-bromosuccinimide (NBS) in acetonitrile at room temperature afforded 12 alpha-bromooleanan-13beta, 28-epoxides in high yield. This reaction resulted in the formation of olean-9 (11), 12-diene-18alpha, 29-epoxides from 29-hydroxy isomers but recovered only starting materials f...

journal_title：Planta medica

authors： Woo WS,Kang SS,Jew SS

更新日期：1985-12-01 00:00:00

abstract：:Three pyrrolizidine alkaloids were isolated from Eupatorium portoricense and their structures elucidated by spectroscopic methods as (-)-viridifloryl-supinidine (amabiline), (-)-viridifloryl-heliotridine (echinatine), and C12- O-acetyl-(-)-viridifloryl-heliotridine (O(12)-acetylechinatine). ...

journal_title：Planta medica

authors： Wiedenfeld H,Guerrero R,Roeder E

更新日期：1995-08-01 00:00:00

abstract：:Bioactivity-directed separation led to the identification of four compounds, viz. denbinobin (1), 3,7-dihydroxy-2,4-dimethoxyphenanthrene (2), 3-methylgigantol (3), and erianthridin (4) from the ethanolic extract of Ephemerantha lonchophylla. Antiplatelet tests were carried out using 4 different aggregation inducers, ...

journal_title：Planta medica

authors： Chen CC,Huang YL,Teng CM

更新日期：2000-05-01 00:00:00