Main glucosidase conversion products of the gluco-alkaloids dolichantoside and palicoside.

abstract：:A new sterol with a non-conventional side chain has been isolated from the whole plant of Anoectochilus koshunensis, together with four known sterols, a megastigmane glucoside and 2'-deoxyadenosine. The structure of the new sterol was elucidated as 26-methylstigmasta-5,22,25, (27)-trien-3 beta-ol based on chemical and...

journal_title：Phytochemistry

authors： Ito A,Yasumoto K,Kasai R,Yamasaki K

更新日期：1994-08-01 00:00:00

abstract：:Five tirucallane-type triterpenes were isolated along with nine known triterpenes from the bark of Juliania adstringens. The structures of the five triterpenes were determined by analysis of their 1H and 13C NMR and mass spectral data, and each compound exhibited growth inhibitory activity against leukemia cells (L-12...

journal_title：Phytochemistry

authors： Makino M,Motegi T,Fujimoto Y

更新日期：2004-04-01 00:00:00

abstract：:Chemical investigation of the vines and leaves of Momordica charantia resulted in isolation of fourteen cucurbitane triterpenoids, kuguacins F-S (1-14), including two pentanorcucurbitacins (6 and 7), one octanorcucurbitacin (8), and two trinorcucurbitacins (11 and 12), along with six known analogues. Their structures ...

journal_title：Phytochemistry

authors： Chen JC,Liu WQ,Lu L,Qiu MH,Zheng YT,Yang LM,Zhang XM,Zhou L,Li ZR

更新日期：2009-01-01 00:00:00

abstract：:The dichloromethane extract of the wood of Carissa lanceolata R.Br. (Apocynaceae) afforded the eudesmanes carissone, dehydrocarissone and carindone. This is the first account of carissone being isolated from the wood of C. lanceolata, and of carindone being isolated from this Carissa species. Dehydrocarissone has not ...

journal_title：Phytochemistry

authors： Lindsay EA,Berry Y,Jamie JF,Bremner JB

更新日期：2000-11-01 00:00:00

abstract：:A new bidesmosidic triterpenoidal saponin 3-O-[beta-D-glucopyranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->4)-alpha-L - arabinopyranosyl]-hederagenin-28-O-[alpha-L-rhamnopyranosyl- (1-->4)-beta-D- glucopyranosyl-(1-->6)-beta-D-glucopyranosyl] ester, was isolated from the roots of Symphytum officinale. The structure was a...

journal_title：Phytochemistry

authors： Mohammad FV,Noorwala M,Ahmad VU,Sener B

更新日期：1995-09-01 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：:Using a bioassay for inhibition of plant growth and a combination of two countercurrent chromatographies: rotation locular countercurrent chromatography and droplet countercurrent chromatography, two biologically active glycosidal alkaloids, solasonine and solamargine were isolated from fresh ripe fruit of Solanum inc...

journal_title：Phytochemistry

authors： Fukuhara K,Kubo I

更新日期：1991-01-01 00:00:00

abstract：:Silene species are known for their use in traditional medicine in treating several diseases. To the authors' knowledge there is no report on the chemical composition of S. odontopetala. Therefore, the phytochemical investigation of the methanol extract of S. odontopetala was carried out, leading to the isolation of si...

journal_title：Phytochemistry

authors： Ün RN,Masullo M,Karayildirim T,Nalbantsoy A,Alankus O,Piacente S

更新日期：2020-08-01 00:00:00

abstract：:Benzoxazinoids are secondary metabolites that are effective in defence and allelopathy. They are synthesised in two subfamilies of the Poaceae and sporadically found in single species of the dicots. The biosynthesis is fully elucidated in maize; here the genes encoding the enzymes of the pathway are in physical proxim...

journal_title：Phytochemistry

authors： Frey M,Schullehner K,Dick R,Fiesselmann A,Gierl A

更新日期：2009-10-01 00:00:00

abstract：:An extract of leaves and stems of Peperomia villipetiola has been found to contain myristicin (3-methoxy-4,5-methylenedioxy-allylbenzene) and seven chromenes, whose structures are methyl 5-hydroxy-7-methyl-2,2-dimethyl-2H-1-chromene-6-carboxylate (1), methyl 5-methoxy-7-methyl-2,2-dimethyl-2H-1-chromene-8-carboxylate ...

journal_title：Phytochemistry

authors： Malquichagua Salazar KJ,Delgado Paredes GE,Lluncor LR,Young MC,Kato MJ

更新日期：2005-03-01 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：: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：: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：:The Arabidopsis thaliana irregular xylem4 (irx4) cinnamoyl-CoA reductase 1 (CCR1) mutant was reassessed for its purported exclusive rate-limiting or key effects on lignification. Analyses of gross growth characteristics and stem cross-section anatomy, from seedling emergence to senescence, revealed that stunted irx4 m...

journal_title：Phytochemistry

authors： Patten AM,Cardenas CL,Cochrane FC,Laskar DD,Bedgar DL,Davin LB,Lewis NG

更新日期：2005-09-01 00:00:00

abstract：:Nine cycloartane triterpenoids, including two new derivatives 22,25-dihydroxy-cycloart-23E-en-3-one and 24-methylenecycloartane-3 beta,22-diol have been isolated from leaves of Guarea macrophylla. The structures were elucidated by interpretation of spectral data, mainly 1H and 13C NMR, including bidimensional analysis...

journal_title：Phytochemistry

authors： Lago JH,Roque NF

更新日期：2002-06-01 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：:The CH(2)Cl(2) extract of dried leaves of Helianthus annuus L. cv. Peredovick(R) has yielded, in addition to the known sesquiterpene lactones annuolide E and leptocarpin, and the sesquiterpenes heliannuols A, C, D, F, G, H, I, the new bisnorsesquiterpene, annuionone E, and the new sesquiterpenes heliannuol L, helibisa...

journal_title：Phytochemistry

authors： Macías FA,Torres A,Galindo JL,Varela RM,Alvarez JA,Molinillo JM

更新日期：2002-11-01 00:00:00

abstract：:Two new triterpenoid glycosides, quinovic acid-3 beta-O-beta-D- glucopyranosyl-(1-->4)-alpha-L-rhamnopyranoside and quinovic acid-3 beta-O-beta-D-glucopyranosyl-(1-->3)-beta-D-fucopyranoside (named rubelloside A and B, respectively), were isolated from roots of Adina rubella. Their structures were elucidated by spectr...

journal_title：Phytochemistry

authors： Fang SY,He ZS,Gao JH,Wang P

更新日期：1995-07-01 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：:Two new cytotoxic mono-tetrahydrofuran acetongenins, annosenegalin and annogalene, have been isolated from the cytotoxic methanolic extract of Annona senegalensis and A. cherimolia seeds. Their structures were established on the basis of 1D and 2D NMR spectroscopic techniques. Annosenegalin belongs to the rare type of...

journal_title：Phytochemistry

authors： Sahpaz S,González MC,Hocquemiller R,Zafra-Polo MC,Cortes D

更新日期：1996-05-01 00:00:00

abstract：:Soluble and microsomal glutathione S-transferase activities for five model xenobiotics (nitrobenzene derivatives), two pesticidal xenobiotics (atrazine and fluorodifen), and a natural substrate (cinnamic acid), were determined in 59 different plant species and four plant cell suspension cultures. These enzyme activiti...

journal_title：Phytochemistry

authors： Pflugmacher S,Schröder P,Sandermann H Jr

更新日期：2000-06-01 00:00:00

abstract：:OREB1 is a rice ABRE binding factor characterized by the presence of multiple highly-conserved phosphorylation domains (C1, C2, C3, and C4) and two kinase recognition motifs, RXXS/T and S/TXXE/D, within different functional domains. An in vitro kinase assay showed that OREB1 is phosphorylated not only by the SnRK2 kin...

journal_title：Phytochemistry

authors： Hong JY,Chae MJ,Lee IS,Lee YN,Nam MH,Kim DY,Byun MO,Yoon IS

更新日期：2011-01-01 00:00:00

abstract：:Phytochemical investigation of the roots and aerial parts of Andrographis paniculata Nees yielded a new flavone, 5-hydroxy-7,2',6'-trimethoxyflavone and an unusual 23-carbon terpenoid, 14-deoxy-15-isopropylidene-11,12-didehydroandrographolide together with five known flavonoids and four known diterpenoids. The structu...

journal_title：Phytochemistry

authors： Reddy MK,Reddy MV,Gunasekar D,Murthy MM,Caux C,Bodo B

更新日期：2003-04-01 00:00:00

abstract：:Coumarins exhibit many biological activities and are the main specialised metabolites of Peucedanum praeruptorum Dunn, an important plant used in traditional Chinese medicine. In preliminary studies, we cloned several genes involved in coumarin biosynthesis in P. praeruptorum, such as 4-coumarate: CoA ligase (4CL), p-...

journal_title：Phytochemistry

authors： Sui Z,Luo J,Yao R,Huang C,Zhao Y,Kong L

更新日期：2019-02-01 00:00:00

abstract：:The essential oil of the east African sandalwood Osyris tenuifolia was investigated by chromatographic and spectroscopic methods. Beside several already known sesquiterpenes four new compounds could be isolated by preparative gas chromatography and their structures investigated by mass spectroscopy and NMR techniques....

journal_title：Phytochemistry

authors： Kreipl AT,König WA

更新日期：2004-07-01 00:00:00

abstract：:Lychnophora ericoides is a Brazilian medicinal plant used in folk medicine as an anti-inflammatory and analgesic agent. The essential oils from leaves of two populations with and without scent, collected at 2-month intervals during an 1-year period, were analysed by GC-MS. The results were submitted to principal compo...

journal_title：Phytochemistry

authors： Curado MA,Oliveira CB,Jesus JG,Santos SC,Seraphin JC,Ferri PH

更新日期：2006-11-01 00:00:00

abstract：:Three flavonoids and three saponins have been isolated from Oxytropis species. Their structures were determined as isorhamnetin-3-O-beta-D-glucoside, rhamnetin-3-O-beta-D-galactoside, apigenin, 3-O-[alpha-L-rhamnopyranosyl (1----2)-beta-D-glucopyranosyl(1----4)-beta-D-glucuronopyranosyl]+ ++soyasapogenol B, 3-O-[beta-...

journal_title：Phytochemistry

authors： Sun RQ,Jia ZJ,Cheng DL

更新日期：1991-01-01 00:00:00

abstract：:The degradation of the beta-conglycinin protein reserves in soybean seeds during germination and early growth begins with the proteolysis of its alpha and alpha' subunits by an enzyme called Protease C1. In the pathway, a number of proteolytic intermediates are produced and subsequently degraded. Determination of the ...

journal_title：Phytochemistry

authors： Tan-Wilson AL,Liu X,Chen R,Qi X,Wilson KA

更新日期：1996-05-01 00:00:00

abstract：:Stereumins Q-U, together with known stereumins A, B, K, L, and N, as well as ent-strobilols E and G were isolated from the culture of Stereum cf. sanguinolentum BCC 22926. Their structures were elucidated by extensive spectroscopic analyses. The absolute configurations of stereumins A and Q, as well as ent-strobilol E...

journal_title：Phytochemistry

authors： Bunyapaiboonsri T,Yoiprommarat S,Nopgason R,Komwijit S,Veeranondha S,Puyngain P,Boonpratuang T

更新日期：2014-09-01 00:00:00

abstract：:Five new compounds (three esters and two glycosides) and seven previously reported compounds were isolated as biotransformation products of digitoxigenin by ginseng hairy root cultures. The new esters and glycosides were elucidated as digitoxigenin stearate, digitoxigenin palmitate, digitoxigenin myristate, 3-epidigit...

journal_title：Phytochemistry

authors： Kawaguchi K,Hirotani M,Yoshikawa T,Furuya T

更新日期：1990-01-01 00:00:00