Profile and quantification of glucosinolates in Pentadiplandra brazzeana Baillon.

abstract：:The secondary metabolites in the roots, leaves and flowers of the common dandelion (Taraxacum officinale agg.) have been studied in detail. However, little is known about the specific constituents of the plant's highly specialized laticifer cells. Using a combination of liquid and gas chromatography, mass spectrometry...

journal_title：Phytochemistry

authors： Huber M,Triebwasser-Freese D,Reichelt M,Heiling S,Paetz C,Chandran JN,Bartram S,Schneider B,Gershenzon J,Erb M

更新日期：2015-07-01 00:00:00

abstract：:Maytenus aquifolium (Celastraceae) and Salacia campestris (Hippocrateaceae) species accumulate friedelane and quinonemethide triterpenoids in their leaves and root bark, respectively. Enzymatic extracts obtained from leaves displayed cyclase activity with conversion of the substrate oxidosqualene to the triterpenes, 3...

journal_title：Phytochemistry

authors： Corsino J,de Carvalho PR,Kato MJ,Latorre LR,Oliveira OM,Araújo AR,Bolzani VD,França SC,Pereira AM,Furlan M

更新日期：2000-12-01 00:00:00

abstract：:ent-19-Hydroxykaur-16-en-15-one is transformed to ent-3 beta,16 beta,19-trihydroxykauran-15-one by Cephalosporium aphidicola. The structure of this metabolite was established by X-ray crystallography. ...

journal_title：Phytochemistry

authors： Boaventura MA,Hanson JR,Hitchcock PB,Takahashi JA

更新日期：1994-09-01 00:00:00

abstract：:An approach, using well characterized procedures, is presented that should be of general applicability for the structural elucidation of complex sugar moieties of natural products. The methods used are exemplified by the structure elucidation of a new gitogenin-based steroidal saponin that has a strong leishmanicidal ...

journal_title：Phytochemistry

authors： Plock A,Beyer G,Hiller K,Gründemann E,Krause E,Nimtz M,Wray V

更新日期：2001-06-01 00:00:00

abstract：:Caralluma sinaica is sold on local markets of Saudi Arabia for various health benefits however no phytochemical study has specifically been performed on this species. NMR and UHPLC-ESI-TOF-MS profilings of the ethanolic extract of the whole plant reveal a very complex phytochemical composition dominated by pregnanes. ...

journal_title：Phytochemistry

authors： Al-Massarani SM,Bertrand S,Nievergelt A,El-Shafae AM,Al-Howiriny TA,Al-Musayeib NM,Cuendet M,Wolfender JL

更新日期：2012-07-01 00:00:00

abstract：:Haplophyllum buxbaumii has yielded a new diphyllin glycoside, which was characterized as 4-O-{bis-alpha-L-xylopyranosyl (1-->2, 1-->5) beta-D-apiofuranosyloxy}-6,7-dimethoxy-1-(3,4-methylenedioxyphenyl)-3-hydroxymethyl naphthalene-2-carboxylic acid lactone. Taiwanin-H is also reported for the first time from a member ...

journal_title：Phytochemistry

authors： Al-Abed Y,Abu-Zarga M,Sabri S,Atta-Ur-Rahman,Voelter W

更新日期：1998-11-20 00:00:00

abstract：:Plant defensive serine proteinase inhibitors (PIs) are known to have negative impact on digestive physiology of herbivore insects and thus have a crucial role in plant protection. Here, we have assessed the efficacy and specificity of three previously characterized inhibitory repeat domain (IRD) variants from Capsicum...

journal_title：Phytochemistry

authors： Joshi RS,Gupta VS,Giri AP

更新日期：2014-05-01 00:00:00

abstract：:The ubiquitous glycolipid 1,2-dilinolenoyl-3-galactopyranosylglycerol and a new protolimonoid glucoside, named prieurianoside, were isolated from the leaves of Trichilia prieuriana. The structure of the latter was established, by spectroscopic techniques, as 12beta,21-diacetoxy-29-beta-D-glucopyranosyloxy-23zeta -hydr...

journal_title：Phytochemistry

authors： Olugbade TA,Adesanya SA

更新日期：2000-08-01 00:00:00

abstract：:Withania somnifera, known in India as Asghawhanda, is used traditionally to treat many medical problems including diabetes and has demonstrated therapeutic activity in various animal models as well as in diabetic patients. While much of W. somnifera's therapeutic activity is attributed to withanolides, their role in t...

journal_title：Phytochemistry

authors： Gorelick J,Rosenberg R,Smotrich A,Hanuš L,Bernstein N

更新日期：2015-08-01 00:00:00

abstract：:Sorghum SbSTS1, a pathogen inducible gene, was previously demonstrated to encode an enzyme with stilbene synthase activity. In this study, we attempt to identify the stilbene derivatives that accumulate in infected sorghum seedlings after inoculation with the anthracnose pathogen Colletotrichum sublineolum. Scanning f...

journal_title：Phytochemistry

authors： Yu CK,Shih CH,Chu IK,Lo C

更新日期：2008-02-01 00:00:00

abstract：:Telomeres are nucleoprotein structures ensuring the stability of eukaryotic chromosome ends. Two protein families, TRFL (TFL-Like) and SMH (Single-Myb-Histone), containing a specific telobox motif in their Myb domain, have been identified as potential candidates involved in a functional nucleoprotein structure analogo...

journal_title：Phytochemistry

authors： Mozgová I,Schrumpfová PP,Hofr C,Fajkus J

更新日期：2008-06-01 00:00:00

abstract：:A high purity of β-D-glucan (80.8%) from hull-less barley (Hordeum vulgare L. var. nudum Hook. f.) (HBBG) was isolated by alkali extraction and multi-precipitation with ethanol. The molecular weight (Mw) of HBBG was determined as 571.4 kDa with a broad distribution (Mw/Mn = 1.6) by using HPSEC. According to methylatio...

journal_title：Phytochemistry

authors： Zhang H,Zhang N,Xiong Z,Wang G,Xia Y,Lai P,Ai L

更新日期：2018-11-01 00:00:00

abstract：:A new triterpenoid, 22,29xi-epoxy-30-norhopane-13beta-ol (1) was isolated together with six known compounds viz., fern-9(11)-en-6alpha-ol. fern-9(11)-ene, fern-9(11)-en-25-oic acid, fern-9(11)-en-28-ol, filicenol-B, adiantone and oxidation product of fern-9(11)-en-6alpha-ol obtained as 6-oxofern-9(11)-ene from the who...

journal_title：Phytochemistry

authors： Reddy VL,Ravikanth V,Rao TP,Diwan PV,Venkateswarlu Y

更新日期：2001-01-01 00:00:00

abstract：:A truncated history of the contribution of plants to medicine is given with reference to some of the less well known ancestors of the Harborne family. Six of the top 20 prescriptions dispensed in 1996 were natural products and the clinical use of drugs such as artemisinin, etoposide and taxol has once more focussed at...

journal_title：Phytochemistry

authors： Phillipson JD

更新日期：2001-02-01 00:00:00

abstract：:The role and fate of Jasmonoyl-Phenylalanine (JA-Phe), an understudied conjugate in the jasmonate pathway remain to be unraveled. We addressed here the possibility of JA-Phe oxidative turnover by cytochrome P450s of the CYP94 family. Leaf wounding or fungal infection in Arabidopsis resulted in accumulation of JA-Phe, ...

journal_title：Phytochemistry

authors： Widemann E,Grausem B,Renault H,Pineau E,Heinrich C,Lugan R,Ullmann P,Miesch L,Aubert Y,Miesch M,Heitz T,Pinot F

更新日期：2015-09-01 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：:A phytochemical investigation of the roots of Symplocos caudata Wall (Symplocaceae) resulted in isolation and characterization of four optical isomers of a neolignan glycoside (1-4), a lignan lactone glycoside (5), a phenylpropanoid glycoside (6), as well as two known compounds (7, 8). Their structures were elucidated...

journal_title：Phytochemistry

authors： Huo C,Liang H,Zhao Y,Wang B,Zhang Q

更新日期：2008-02-01 00:00:00

abstract：:Two new flavone glucosides, nevadensin 5-O-beta-D-glucoside and nevadensin 5-O-beta-D-glucosyl(1-->6)beta-D-glucoside, have been isolated from the aerial parts of Lysionotus pauciflorus. The structures have been determined by means of UV, mass spectral and one- and two-dimensional 1H and 13C NMR techniques. ...

journal_title：Phytochemistry

authors： Liu Y,Wagner H,Bauer R

更新日期：1996-07-01 00:00:00

abstract：:Three neogrifolin derivatives, 3-hydroxyneogrifolin, 1-formylneogrifolin and 1-formyl-3-hydroxyneogrifolin along with grifolin and neogrifolin were isolated from the Japanese mushroom Albatrellus ovinus belonging to Scutigeraceae. Their structures were established by a combination of two-dimensional NMR spectroscopic ...

journal_title：Phytochemistry

authors： Nukata M,Hashimoto T,Yamamoto I,Iwasaki N,Tanaka M,Asakawa Y

更新日期：2002-04-01 00:00:00

abstract：:This work demonstrates the presence of hyoscyamine and scopolamine at different stages of shoot regeneration from non-organogenic and organogenic calli. The 11-week-old non-organogenic calli contained 0.41+/-0.03 and 0.23+/-0.02 microg g(-1) dry wt hyoscyamine and scopolamine respectively. However, no root meristem wa...

journal_title：Phytochemistry

authors： Khanam N,Khoo C,Close R,Khan AG

更新日期：2001-01-01 00:00:00

abstract：:A benzil, calophione A, 1-(6'-Hydroxy-1',3'-benzodioxol-5'-yl)-2-(6''-hydroxy-2''-isopropenyl-2'',3''-dihydro-benzofuran-5''-yl)-ethane-1,2-dione and three coumestan derivatives, tephcalostan B, C and D were isolated from the roots of Tephrosia calophylla. Their structures were deduced from spectroscopic data, includi...

journal_title：Phytochemistry

authors： Ganapaty S,Srilakshmi GV,Pannakal ST,Rahman H,Laatsch H,Brun R

更新日期：2009-01-01 00:00:00

abstract：:Society demands chemicals from sustainable sources. Identification of commercially important chemicals in crops increases value in biorefineries and reduces reliance on petrochemicals. Miscanthus sinensis and Miscanthus sacchariflorus are high-yielding distinct plants, which are sources of high-value chemicals and bio...

journal_title：Phytochemistry

authors： Parveen I,Wilson T,Donnison IS,Cookson AR,Hauck B,Threadgill MD

更新日期：2013-08-01 00:00:00

abstract：:The widespread secondary metabolite usnic acid, a dibenzofuran derivative, is the principal acetone-soluble compound in the lichen Flavocetraria nivalis. Seasonal variation in concentrations were studied in four populations of this lichen, three from Arctic-alpine habitats in the Northern Hemisphere, and one from Pata...

journal_title：Phytochemistry

authors： Bjerke JW,Elvebakk A,Domínguez E,Dahlback A

更新日期：2005-02-01 00:00:00

abstract：:Five undescribed xanthones, 4-methoxypyranojacareubin, 4-hydroxy-3-prenylpyranoxanthone, 1-hydroxy-5,7-dimethoxyxanthone, 5-hydroxy-1,6,7-trimethoxyxanthone and 2-hydroxy-1,5-dimethoxyxanthone, together with thirty-three known xanthones were isolated from the roots of Mesua ferrea L. The structures of all isolated xan...

journal_title：Phytochemistry

authors： Chukaew A,Saithong S,Chusri S,Limsuwan S,Watanapokasin R,Voravuthikunchai SP,Chakthong S

更新日期：2019-01-01 00:00:00

abstract：:The thiol redox-sensitive and the total proteome in harvest-ripe grains of closely related genotypes of wheat (Triticum aestivum L.), with either a dormant or a non-dormant phenotype, were investigated using hybrid lines of spring wheat double haploid population segregating transgressively, to gain further insight int...

journal_title：Phytochemistry

authors： Bykova NV,Hoehn B,Rampitsch C,Hu J,Stebbing JA,Knox R

更新日期：2011-07-01 00:00:00

abstract：:While a long shelf life for fruit products is highly desired, enzymatic browning is the main cause of quality loss in fruits and is therefore a main problem for the food industry. In this study polyphenol oxidase (PPO), the main enzyme responsible for browning was isolated from mamey fruit (Pouteria sapota) and charac...

journal_title：Phytochemistry

authors： Palma-Orozco G,Ortiz-Moreno A,Dorantes-Alvarez L,Sampedro JG,Nájera H

更新日期：2011-01-01 00:00:00

abstract：:Petunia hybrida and Citrus paradisi have significantly different flavonoid accumulation patterns. Petunia sp. tend to accumulate flavonol glycosides and anthocyanins while Citrus paradisi is known for its accumulation of flavanone diglycosides. One possible point of regulation of flavanone metabolism is flavanone 3-hy...

journal_title：Phytochemistry

authors： Pelt JL,Downes WA,Schoborg RV,McIntosh CA

更新日期：2003-09-01 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：:In plants, it has been proposed that hexacoordinate (class 1) non-symbiotic Hbs (nsHb-1) function in vivo as peroxidases. However, little is known about peroxidase activity of nsHb-1. We evaluated the peroxidase activity of rice recombinant Hb1 (a nsHb-1) by using the guaiacol/H2O2 system at pH 6.0 and compared it to ...

journal_title：Phytochemistry

authors： Violante-Mota F,Tellechea E,Moran JF,Sarath G,Arredondo-Peter R

更新日期：2010-01-01 00:00:00

abstract：:A polynucleotide (or a fragment of RNA) was purified to apparent homogeneity by HPLC from mycelium of the wild strain 74A of the mould Neurospora crassa, after growth on sucrose and in the presence of saturating amounts of inorganic phosphate (Pi) for 72 hr at 30 degrees. The M(r) was ca 20,000 as determined by HPLC a...

journal_title：Phytochemistry

authors： Carmona EC,Han SW,Palma MS,Rossi A

更新日期：1996-02-01 00:00:00