A lower content of de-methylesterified homogalacturonan improves enzymatic cell separation and isolation of mesophyll protoplasts in Arabidopsis.

abstract：:Four tetracyclic oxindole alkaloids, 7(R)- and 7(S)-geissoschizol oxindole (1 and 2), 7(R),16(R)- and 7(S),16(R)-19(E)-isositsirikine oxindole (3 and 4), in addition to a taberpsychine derivative, N(4)-demethyltaberpsychine (5), were isolated from the Malayan Tabernaemontana corymbosa and the structures were establish...

journal_title：Phytochemistry

authors： Lim KH,Sim KM,Tan GH,Kam TS

更新日期：2009-06-01 00:00:00

abstract：:Brugmansia arborea is a woody plant species that produces tropane alkaloids (TAs). The gene encoding tropine-forming reductase or tropinone reductase I (BaTRI) in this plant species was functionally characterised. The full-length cDNA of BaTRI encoded a 272-amino-acid polypeptide that was highly similar to tropinone r...

journal_title：Phytochemistry

authors： Qiang W,Xia K,Zhang Q,Zeng J,Huang Y,Yang C,Chen M,Liu X,Lan X,Liao Z

更新日期：2016-07-01 00:00:00

abstract：:Ganoderma lucidum is a white rot fungus widely used as a tonic for the promotion of longevity and health. Extracts of G. lucidum have been recognized as an alternative adjuvant treatment for diabetes. Among the many biologically active constituents of G. lucidum, polysaccharides, proteoglycans, proteins and triterpeno...

journal_title：Phytochemistry

authors： Ma HT,Hsieh JF,Chen ST

更新日期：2015-06-01 00:00:00

abstract：:The seeds of 36 pigeonpea [Cajanus cajan (L) Millsp.] cultivars, resistant and susceptible to pests and pathogens and 17 of its wild relatives were analysed for inhibitors of trypsin, chymotrypsin, and insect gut proteinases to identify potential inhibitors of insect (Helicoverpa armigera) gut enzymes. Proteinase inhi...

journal_title：Phytochemistry

authors： Chougule NP,Hivrale VK,Chhabda PJ,Giri AP,Kachole MS

更新日期：2003-10-01 00:00:00

abstract：:From the dried roots of Cephaelis acuminata, five tetrahydroisoquinoline-monoterpene glycosides, 2-O-beta-D-glucopyranosyldemethylalangiside, demethylisoalangiside, 6"-O-beta-D-glucopyranosylipecoside, 6"-O-alpha-D-glucopyranosylipecoside and (4R)-4-hydroxyipecoside, were isolated. The structures of these glycosides w...

journal_title：Phytochemistry

authors： Itoh A,Baba Y,Tanahashi T,Nagakura N

更新日期：2002-01-01 00:00:00

abstract：:Seven pyranocoumarins, clauemarmarins A-G, along with 6 known analogues were isolated from the stems of Clausena emarginata. Their structures were elucidated by extensive spectroscopic analyses, and the absolute stereochemistries at C-6″ of clauemarmarin B, C and D and the absolute configurations of clauemarmarin E, F...

journal_title：Phytochemistry

authors： Xia HM,Li CJ,Yang JZ,Ma J,Li Y,Li L,Zhang DM

更新日期：2016-10-01 00:00:00

abstract：:Three C-17 diacetylenic compounds (1-3), one monoterpenoid (4), seven ceramides (leucoceramides A-G, 5a-g), six cerebrosides (leucocerebrosides A-F, 6a-f) and nine known compounds were isolated from the methanolic extract of Hydrocotyle leucocephala. Their structures were established by spectroscopic methods. The isol...

journal_title：Phytochemistry

authors： Ramos F,Takaishi Y,Kawazoe K,Osorio C,Duque C,Acuña R,Fujimoto Y,Sato M,Okamoto M,Oshikawa T,Ahmed SU

更新日期：2006-06-01 00:00:00

abstract：:Four dimeric chalcone derivatives, 8″,9″-dihydrowelwitschin H, uvarins A-C, a naphthalene derivative, 2-hydroxy-3-methoxy-6-(4'- hydroxyphenyl)naphthalene, and the known dimeric chalcones, dependensin and welwitschin E, flavonoids, a cyclohexane oxide derivative, an aromatic aldehyde were isolated from the roots of Uv...

journal_title：Phytochemistry

authors： Salae AW,Chairerk O,Sukkoet P,Chairat T,Prawat U,Tuntiwachwuttikul P,Chalermglin P,Ruchirawat S

更新日期：2017-03-01 00:00:00

abstract：:Four lactone diterpenes and two related glucosides with a labdane skeleton have been isolated from the aquatic plant Potamogeton natans. The structures of three new compounds were determined as 19-acetoxy-20-oxo-8(17),13-ent-labdadien-15-->16 lactone, 8(17), 13-ent-labdadien-15-->16,19-->20 dilactone and 6'-acetyl-19-...

journal_title：Phytochemistry

authors： Cangiano T,DellaGreca M,Fiorentino A,Isidori M,Monaco P,Zarrelli A

更新日期：2001-03-01 00:00:00

abstract：:Cultured cells of Eucalyptus perriniana biotransformed (+)-menthol to its gentiobioside and triglucoside [2,6-di-O-(beta-D-glucopyranosyl)-beta-D-glucopyranoside]. The structures of these compounds were determined by means of NMR techniques. ...

journal_title：Phytochemistry

authors： Orihara Y,Miyatake H,Furuya T

更新日期：1991-01-01 00:00:00

abstract：:ent-Abietane diterpenoids, hebeiabinins A-F (1-5), together with seven known diterpenoids were isolated from leaves of Isodon rubescens var. rubescens. The structures of 1-5 were established on the basis of spectroscopic analyses, including application of 2D NMR spectroscopic techniques. The diterpenoids isolated were...

journal_title：Phytochemistry

authors： Huang SX,Pu JX,Xiao WL,Li LM,Weng ZY,Zhou Y,Han QB,Peng SL,Ding LS,Lou LG,Sun HD

更新日期：2007-03-01 00:00:00

abstract：:Biotransformation of 20(S)-protopanaxatriol (1) by the fungus Mucor spinosus AS 3.3450 gave 10 metabolites (2-10), of which 2-5 were previously known. On the basis of NMR and MS analyses, structures 6-10 were established as 12-oxo-23beta-hydroxyl-20(S)-protopanaxatriol (6), 20S,24R-epoxy-dammaran-3beta,6alpha,25-triol...

journal_title：Phytochemistry

authors： Zhang J,Guo H,Tian Y,Liu P,Li N,Zhou J,Guo D

更新日期：2007-10-01 00:00:00

abstract：:Epoxide hydrolases (EH, EC 3.3.2.3) have been proposed to be key enzymes in the biosynthesis of polyether (PE) ladder compounds such as the brevetoxins which are produced by the dinoflagellate Karenia brevis. These enzymes have the potential to catalyze kinetically disfavored endo-tet cyclization reactions. Data minin...

journal_title：Phytochemistry

authors： Sun P,Leeson C,Zhi X,Leng F,Pierce RH,Henry MS,Rein KS

更新日期：2016-02-01 00:00:00

abstract：:As part of a project to characterise plant-derived natural products that modulate bacterial multidrug resistance (MDR), bioassay-guided fractionation of a chloroform extract of the aerial parts of Rosmarinus officinalis led to the characterisation of the known abietane diterpenes carnosic acid (1), carnosol (2) and 12...

journal_title：Phytochemistry

authors： Oluwatuyi M,Kaatz GW,Gibbons S

更新日期：2004-12-01 00:00:00

abstract：:The genuine major benzylisoquinoline alkaloid occurring in the traditional medicinal plant greater celandine (Chelidonium majus L.) is 13,14-dihydrocoptisine and not - as described previously - coptisine. Structure of 13,14-dihydrocoptisine was elucidated. The discrepancy between the alkaloid pattern of the living pla...

journal_title：Phytochemistry

authors： Paulsen J,Yahyazadeh M,Hänsel S,Kleinwächter M,Ibrom K,Selmar D

更新日期：2015-03-01 00:00:00

abstract：:Contemporary glycobiology reflects the intense interest in glycoproteins and their biological roles. Addition of saccharides by N- or O-glycosylation is precise rather than random and forms a uniquely interactive molecular surface. We designate these well conserved glycomotifs as glycomodules to emphasize their functi...

journal_title：Phytochemistry

authors： Kieliszewski MJ

更新日期：2001-06-01 00:00:00

abstract：:Adaptation to aridity is considered a major factor in the evolution of the genus Eucalyptus. For the first time, targeted metabolite profiling has uncovered a quantitative yet discrete phytochemical link with eucalypt taxonomy. The distribution of cyclitols among Eucalyptus species, and a range of other Australian tre...

journal_title：Phytochemistry

authors： Merchant A,Richter A,Popp M,Adams M

更新日期：2006-02-01 00:00:00

abstract：:Two pimarane diterpenes structurally related to sphaeropsidins were isolated from the liquid culture of Sphaeropsis sapinea f. sp. cupressi, a plant pathogenic fungus causing a form of canker disease of Italian cypress (Cupressus sempervirens L.). The two metabolites, characterised by spectroscopic methods, were named...

journal_title：Phytochemistry

authors： Evidente A,Sparapano L,Bruno G,Motta A

更新日期：2002-04-01 00:00:00

abstract：:Osteoarthritis (OA) is a major disability of elderly people. Sesamin is the main compound in Sesamun indicum Linn., and it has an anti-inflammatory effect by specifically inhibiting Δ5-desaturase in polyunsaturated fatty acid biosynthesis. The chondroprotective effects of sesamin were thus studied in a porcine cartila...

journal_title：Phytochemistry

authors： Phitak T,Pothacharoen P,Settakorn J,Poompimol W,Caterson B,Kongtawelert P

更新日期：2012-08-01 00:00:00

abstract：:Herbivory and wounding upregulate a large suite of defense genes in hybrid poplar leaves. A strongly wound- and herbivore-induced gene with high similarity to Arabidopsis vegetative storage proteins (VSPs) and acid phosphatase (AP) was identified among genes strongly expressed during the poplar herbivore defense respo...

journal_title：Phytochemistry

authors： Veljanovski V,Major IT,Patton JJ,Bol E,Louvet S,Hawkins BJ,Constabel CP

更新日期：2010-04-01 00:00:00

abstract：:Small molecules (xenobiotics) that inhibit cell-wall-localised enzymes are valuable for elucidating the enzymes' biological roles. We applied a high-throughput fluorescent dot-blot screen to search for inhibitors of Petroselinum xyloglucan endotransglucosylase (XET) activity in vitro. Of 4216 xenobiotics tested, with ...

journal_title：Phytochemistry

authors： Chormova D,Franková L,Defries A,Cutler SR,Fry SC

更新日期：2015-09-01 00:00:00

abstract：:In recent years, different classes of proteins have been reported to promote toxic effects when ingested. Type-2 ribosome-inactivating proteins (RIPs) are a group of chimeric proteins built up of an A-chain with RNA N-glycosidase activity and a B-chain with lectin activity. These proteins are thought to play a role in...

journal_title：Phytochemistry

authors： Shahidi-Noghabi S,Van Damme EJ,Smagghe G

更新日期：2008-12-01 00:00:00

abstract：:Carrot (Daucus carota subsp. sativus) is a widely cultivated root vegetable of high economic importance. The aroma of carrot roots and aboveground organs is mainly defined by terpenes. We found that leaves of orange carrot cultivar also produce considerable amounts of the phenylpropenes methyleugenol and methylisoeuge...

journal_title：Phytochemistry

authors： Yahyaa M,Berim A,Nawade B,Ibdah M,Dudareva N,Ibdah M

更新日期：2019-03-01 00:00:00

abstract：:Alkaline nitrobenzene oxidation, ozonation and methoxyl content determinations were applied to decomposing leaf litter of Ginkgo biloba L., Cinnamomum camphora sieb., Zelkova serrata Makino and Firmiana simplex W. F. Wight, respectively, during mulching to investigate the properties and estimate changes in lignin comp...

journal_title：Phytochemistry

authors： Jin Z,Akiyama T,Chung BY,Matsumoto Y,Iiyama K,Watanabe S

更新日期：2003-11-01 00:00:00

abstract：:Glucosinolates are sulphur-containing glycosides found in brassicaceous plants that can be hydrolysed enzymatically by plant myrosinase or non-enzymatically to form primarily isothiocyanates and/or simple nitriles. From a human health perspective, isothiocyanates are quite important because they are major inducers of ...

journal_title：Phytochemistry

authors： Williams DJ,Critchley C,Pun S,Chaliha M,O'Hare TJ

更新日期：2009-07-01 00:00:00

abstract：:The A-type proanthocyanidin, epigallocatechin-(2beta-->7,4beta-->8)-epicatechin, together with the known epicatechin, luteolin 3'beta-D-glucopyranoside, chrysoeriol 7beta-D-glucopyranoside and 2-methylpentan-2,4-diol, were isolated from leaves of Dioclea lasiophilla. The structures were established on the basis of the...

journal_title：Phytochemistry

authors： Barreiros AL,David JP,de Queiroz LP,David JM

更新日期：2000-12-01 00:00:00

abstract：:Passiflora morifolia, which under natural conditions contains cyanohydrin glucosides linamarin, lotaustralin and epilotaustralin, converted cyclopentanecarbonitrile, 2-cyclopentenecarbonitrile and 3-methylbutanenitrile into the corresponding cyanohydrin glucosides. Turnera angustifolia, which normally produces glucosi...

journal_title：Phytochemistry

authors： Jaroszewski JW,Rasmussen AB,Rasmussen HB,Olsen CE,Jørgensen LB

更新日期：1996-06-01 00:00:00

abstract：:Three monoamine oxidase (MAO) inhibitors were isolated from Gentiana lutea. Their structures were elucidated to be 3-3''linked-(2'-hydroxy-4-O-isoprenylchalcone)-(2'''-hydroxy-4''-O-isoprenyldihydrochalcone) (1), 2-methoxy-3-(1,1'-dimethylallyl)-6a,10a-dihydrobenzo(1,2-c)chroman-6-one and 5-hydroxyflavanone. These com...

journal_title：Phytochemistry

authors： Haraguchi H,Tanaka Y,Kabbash A,Fujioka T,Ishizu T,Yagi A

更新日期：2004-08-01 00:00:00

abstract：:Flavonoids are polyphenolic compounds that are widespread in the plant kingdom, and structure-activity relationships (SAR) for vascular relaxation effects were examined for 17 of them using porcine coronary arteries. Density functional theory was employed to calculate the chemical parameters of these compounds. The or...

journal_title：Phytochemistry

authors： Xu YC,Leung SW,Yeung DK,Hu LH,Chen GH,Che CM,Man RY

更新日期：2007-04-01 00:00:00

abstract：:The combination of the hyphenated techniques LC-MS and LC-SPE-NMR constitutes a powerful platform for the rapid isolation and identification of minor components from natural sources. Electronic circular dichroism (ECD) is a useful tool to determine the absolute configuration of small quantities of chiral molecules. In...

journal_title：Phytochemistry

authors： Xu YJ,Foubert K,Dhooghe L,Lemière F,Maregesi S,Coleman CM,Zou Y,Ferreira D,Apers S,Pieters L

更新日期：2012-07-01 00:00:00