Seco diterpenoids from Excoecaria agallocha L.

abstract：:Ragi bifunctional α-amylase-trypsin inhibitor (RBI) of Eleusine coracana (L.) Gaertn. (finger millet) simultaneously inhibits α-amylase and trypsin. In continuation of previous work on the cloning, expression and characterization of RBI, a bidirectional promoter from finger millet was explored on the basis of experime...

journal_title：Phytochemistry

authors： Sen S,Dutta SK

更新日期：2016-09-01 00:00:00

abstract：:Two isoflavanones (5,7-dihydroxy-2',3',4'-trimethoxy-isoflavanone and 5,7-dihydroxy-2'-methoxy-3',4'-methylenedioxy-isoflavanone), four isoflavanone O-glycosides (5,7-dihydroxy-2',3',4'-trimethoxy-isoflavanone 7-O-beta-glucopyranoside, 5,7-dihydroxy-2'-methoxy-3',4'-methylenedioxy-isoflavanone 7-O-beta-glucopyranoside...

journal_title：Phytochemistry

authors： Zhao M,Duan JA,Che CT

更新日期：2007-05-01 00:00:00

abstract：:Seven pairs of undescribed enantiomeric bis-coumarins, (±)-dievodialetins A-G, were separated from the roots of Evodia lepta Merr. Two coumarin nuclei were linked via a 1,4-dimethyl4-vinylcyclohexene moiety in (±)-dievodialetins C-G. The structures of the undescribed compounds, including their absolute configurations ...

journal_title：Phytochemistry

authors： Huang GY,Cui H,Lu XY,Zhang LD,Ding XY,Wu JJ,Duan LX,Zhang SJ,Liu Z,Zhang RR

更新日期：2021-02-01 00:00:00

abstract：:Six acylated delphinidin glycosides (pigments 1-6) and one acylated kaempferol glycoside (pigment 9) were isolated from the blue flowers of cape stock (Heliophila coronopifolia) in Brassicaceae along with two known acylated cyanidin glycosides (pigments 7 and 8). Pigments 1-8, based on 3-sambubioside-5-glucosides of d...

journal_title：Phytochemistry

authors： Saito N,Tatsuzawa F,Toki K,Shinoda K,Shigihara A,Honda T

更新日期：2011-12-01 00:00:00

abstract：:Individual leaves of the three most common chemotypes of Melaleuca alternifolia were examined both quantitatively and qualitatively for volatile constituents from the emergence of the first true leaves, through to 6-week-old tenth leaf set material. The 1,8-cineole and terpinolene chemotypes were investigated and comp...

journal_title：Phytochemistry

authors： Russell MF,Southwell IA

更新日期：2003-03-01 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：:Thevetia cardiac glycosides can lead to intoxication, thus they are important indicators for forensic and pharmacologic surveys. Six thevetia cardiac glycosides, including two with unknown structures, were isolated from the seeds of the Yellow Oleander (Thevetia peruviana (Pers.) K. Shum., Apocynaceae). LC-ESI⁺-MS(/MS...

journal_title：Phytochemistry

authors： Kohls S,Scholz-Böttcher BM,Teske J,Zark P,Rullkötter J

更新日期：2012-03-01 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：:Due to their pronounced cytotoxic activity, a number of aryltetralin lignans (ATLs), such as podophyllotoxin (PTOX), are used as antitumor compounds. The production of such molecules from entire plants or plant cell-tissue-organ cultures is thus of interest to the pharmaceutical industry. Hairy root cultures constitut...

journal_title：Phytochemistry

authors： Cong LH,Dauwe R,Lequart M,Vinchon S,Renouard S,Fliniaux O,Colas C,Corbin C,Doussot J,Hano C,Lamblin F,Molinié R,Pilard S,Jullian N,Boitel M,Gontier E,Mesnard F,Laberche JC

更新日期：2015-07-01 00:00:00

abstract：:The leaf essential oils of Cistus monspeliensis plants growing wild on calcareous and siliceous soils in Provence (South of France) were analysed by GC and GC-MS. Qualitative and quantitative differences are noted in the essential oil composition between the Cistus populations from the two soil types. For chemotaxonom...

journal_title：Phytochemistry

authors： Robles C,Garzino S

更新日期：2000-01-01 00:00:00

abstract：:In a study of 62 plant species of the Cretan flora for their phytotoxic activity, plants were extracted successively with CH2Cl2, MeOH and H2O. Phytotoxicity evaluation of the 240 extracts was performed against Lactuca sativa L. and Agrostis stolonifera L.. The MeOH extract of Bellis longifolia was the most phytotoxic...

journal_title：Phytochemistry

authors： Stavropoulou MI,Angelis A,Aligiannis N,Kalpoutzakis E,Mitakou S,Duke SO,Fokialakis N

更新日期：2017-12-01 00:00:00

abstract：:The inhibition of wheat Ca(2+)-dependent protein kinase (CDPK) by substituted acridines and substituted 5-, 6-, 7- and 8-azaacridines (5-AA, 6-AA, 7-AA and 8-AA) was examined. Of a total of 71 substituted acridines and azaacridines examined, only 20 have IC50 values for wheat CDPK of less than 200 microM. Of these, ef...

journal_title：Phytochemistry

authors： Chen Q,Deady LW,Polya GM

更新日期：1994-07-01 00:00:00

abstract：:Two novel triterpenoid saponins, dianchinenoside C [23-O-beta-D-glucopyranosyl 3 beta, 16 alpha-dihydroxyolean-12-ene 23 alpha, 28 beta-dioic acid 28-O-beta-D-glucopyranoside] and dianchinenoside D [3 beta, 16 alpha-dihydroxyolean-12-ene 23 alpha, 28 beta-dioic acid 28-O-beta-D-glucopyranosyl [1-->6)-beta-D-glucopyran...

journal_title：Phytochemistry

authors： Li HY,Koike K,Ohmoto T

更新日期：1994-02-01 00:00:00

abstract：:Three new ent-kaurene diterpenoids, oreskaurins A-C (1-3), together with ten known ent-kaurene diterpenoids, enmenin monoacetate (4), effusanin E (5), adenolin B (6), maoecrystal G (7), enmelol (8), trichokaurin (9), sodoponin (10), trichorabdal A (11), nodosin (12), enmein (13), and a flavonoid, vitexin (14), were is...

journal_title：Phytochemistry

authors： Xiang W,Li RT,Wang ZY,Li SH,Zhao QS,Zhang HJ,Sun HD

更新日期：2004-04-01 00:00:00

abstract：:Leaves, stem bark and root of Lonchocarpus xuul and Lonchocarpus yucatanensis were studied separately. A chalcone, 2',4-dimethoxy-6'-hydroxylonchocarpin (), and the flavones 5,4'-dihydroxy-3'-methoxy-(6:7)-2,2-dimethylpyranoflavone (2) and 5,4'-dimethoxy-(6:7)-2,2-dimethylpyrano-flavone (3), together with the known ca...

journal_title：Phytochemistry

authors： Borges-Argáez R,Peña-Rodríguez LM,Waterman PG

更新日期：2002-07-01 00:00:00

abstract：:The two Arabidopsis basic-helix-loop-helix transcription factors GLABRA3 (GL3) and ENHANCER OF GLABRA3 (EGL3) are positive regulators of anthocyanin biosynthesis, and form protein complexes (MBW complexes) with various R2R3 MYB transcription factors and a WD40 repeat protein TRANSPARENT TESTA GLABROUS1 (TTG1). In earl...

journal_title：Phytochemistry

authors： Nemie-Feyissa D,Heidari B,Blaise M,Lillo C

更新日期：2015-03-01 00:00:00

abstract：:Three new spirostanol saponins and two new furostanol saponins were isolated from the fresh leaves of Cordyline stricta. Their structures were elucidated on the basis of spectroscopic analysis, including various 2D NMR techniques, hydrolysis, and by comparison of spectral data of known compounds. Two of the isolated s...

journal_title：Phytochemistry

authors： Mimaki Y,Kuroda M,Takaashi Y,Sashida Y

更新日期：1998-01-01 00:00:00

abstract：:Three phenylpropanoid glycosides named ningposides A (3-O-acetyl-2-O-feruloyl-alpha-L-rhamnopyranose), B (4-O-acetyl-2-O-feruloyl-alpha-L-rhamnopyranose) and C (3-O-acetyl-2-O-p-hydroxycinnamoyl-alpha-L-rhamnopyranose) along with the known compounds sibirioside A, cistanoside D, angoroside C, acteoside, decaffeoylacte...

journal_title：Phytochemistry

authors： Li YM,Jiang SH,Gao WY,Zhu DY

更新日期：2000-08-01 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：:The present study presents comprehensive chemical analyses of cuticular wax mixtures of the bamboo Phyllostachys aurea. The epicuticular and intracuticular waxes were sampled selectively from the adaxial side of leaves on young and old plants and investigated by gas chromatography-mass spectrometry and flame ionizatio...

journal_title：Phytochemistry

authors： Racovita RC,Jetter R

更新日期：2016-10-01 00:00:00

abstract：:Seven dammarane glycosides, gypenosides GC1 to GC7, together with ten known compounds, gypenosides V, XIV, XLII-XLVI, gynosaponins TN-1, -2, and gymnemaside VI, were isolated from the methanol extract of the aerial parts of Gynostemma pentaphyllum. Their structures were elucidated by both analysis of 1D and 2D NMR spe...

journal_title：Phytochemistry

authors： Kim JH,Han YN

更新日期：2011-08-01 00:00:00

abstract：:Two furanoditerpenoid lactones, were isolated from the seeds of Caesalpinia minax Hance. Their structures and stereochemistry have been established by spectral data and single crystal X-ray analysis. ...

journal_title：Phytochemistry

authors： Jiang RW,But PP,Ma SC,Mak TC

更新日期：2001-06-01 00:00:00

abstract：:Two neolignan glycosides (junipercomnosides A and B) were isolated from aerial parts of Juniperus communis var. depressa along with two known neolignan glycosides and seven flavonoid glycosides. The structures of the isolated compounds were determined by spectral analysis, in particular by 2D-NMR analysis. The signifi...

journal_title：Phytochemistry

authors： Nakanishi T,Iida N,Inatomi Y,Murata H,Inada A,Murata J,Lang FA,Iinuma M,Tanaka T

更新日期：2004-01-01 00:00:00

abstract：:Two new oleanene glycosides (1-2) possessing hederagenin as the aglycone were isolated from the methanolic extract of the aerial parts of Caltha polypetala together with four known glycosides. The saccharide portion linked to C-3 of the aglycone is made up of alpha-L-arabinopyranose, alpha-L-rhamnopyranose and galacto...

journal_title：Phytochemistry

authors： Baykal T,Bedir E,Calis I,Aquino R,Piacente S,Pizza C

更新日期：1999-08-01 00:00:00

abstract：:In plant terpene biosynthesis, oxidation of the hydrocarbon backbone produced by terpene synthases is typically carried out by cytochrome P450 oxygenases (CYPs). The modifications introduced by CYPs include hydroxylations, sequential oxidations at one position and ring rearrangements and closures. These reactions sign...

journal_title：Phytochemistry

authors： Bathe U,Tissier A

更新日期：2019-05-01 00:00:00

abstract：:Two new flavanoids, 5,7-dimethoxy-3',4'-methylenedioxyflavanone and isobonducellin along with 2'-hydroxy-2,3,4',6'-tetramethoxychalcone, 5,7-dimethoxyflavone and bonducellin were isolated from the aerial parts of Caesalpinia pulcherrima. The structures of the compounds were settled mainly by interpretation of their 1D...

journal_title：Phytochemistry

authors： Srinivas KV,Koteswara Rao Y,Mahender I,Das B,Rama Krishna KV,Hara Kishore K,Murty US

更新日期：2003-08-01 00:00:00

abstract：:Five novel polyphenols have been isolated from the air-dried herb of Cistus salvifolius; they were characterized as epigallocatechin-3-O-(4-hydroxybenzoate), epigallocatechin-(4 beta-->8)-epigallocatechin, epigallocatechin-3-O- gallate-(4 beta-->8)-epigallocatechin, epigallocatechin-(4 beta-->6)-epigallocatechin-3-O-g...

journal_title：Phytochemistry

authors： Danne A,Petereit F,Nahrstedt A

更新日期：1994-09-01 00:00:00

abstract：:Five undescribed compounds were separated from Abrus mollis leaves, including two truxillate forms (abrusamide D, H) and three truxinate forms (abrusamide E, F, G). The absolute configuration of abrusamide D was determined by X-ray crystallography. Abrusamide A was reassessed and corrected to be β-truxinate configurat...

journal_title：Phytochemistry

authors： Yuan X,Liu Y,Zhao H,Men L,He C,Qiu Y,Yu Q,Li K,Qi L,Chen D

更新日期：2021-01-01 00:00:00

abstract：:Six phragmalin limonoids, named tabulalin and tabulalides A-E, were isolated from the root bark of Chukrasia tabularis (Meliaceae). Their structures were determined by spectroscopic methods, and their antifeedant properties evaluated. ...

journal_title：Phytochemistry

authors： Nakatani M,Abdelgaleil SA,Saad MM,Huang RC,Doe M,Iwagawa T

更新日期：2004-10-01 00:00:00

abstract：:Proteomic analyses of soybean seedlings responding to flooding were conducted to identify key proteins involved. The seeds were germinated on a spongy matrix for two days, and then subjected to flooding for three days. After flooding, the total number of roots, the length of the main root, the lengths of the lateral a...

journal_title：Phytochemistry

authors： Shi F,Yamamoto R,Shimamura S,Hiraga S,Nakayama N,Nakamura T,Yukawa K,Hachinohe M,Matsumoto H,Komatsu S

更新日期：2008-04-01 00:00:00