Artomandin, a new xanthone from Artocarpus kemando (Moraceae).

abstract：:Essential oils from aerial parts of Senecio nutans, Senecio viridis, Tagetes terniflora and Aloysia gratissima were analysed by GC-MS and their antifungal activities were assayed on toxigenic Fusarium and Aspergillus species. Sabinene (27.6 ± 0.1%), α-phellandrene (15.7 ± 0.3%), o-cymene (9.6 ± 0.2%) and β-pinene (6.1...

journal_title：Natural product research

authors： Galvez CE,Jimenez CM,Gomez ALA,Lizarraga EF,Sampietro DA

更新日期：2020-05-01 00:00:00

abstract：:An activity-guided isolation and purification process was used to identify the l,l-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging components of the food plant (Terminalia arjuna) of Antheraea mylitta. Dry leaves of T. arjuna were extracted with different solvents and tested for their antioxidant activity aga...

journal_title：Natural product research

authors： Singh PP,Chauhan SM

更新日期：2014-01-01 00:00:00

abstract：:A new γ-pyrone derivative, acrepyrone A (1), and three known sorbicillinoids, trichodimerol (2), dihydrotrichodimerol (3) and tetrahydrotrichodimerol (4) were isolated from an endophytic fungus, Acremonium citrinum SS-g13, harboured in the roots of the Chinese medicinal plant Fructus mori. Their structures were determ...

journal_title：Natural product research

authors： Peng XP,Li G,Ji LX,Li YX,Lou HX

更新日期：2020-04-01 00:00:00

abstract：:Ocimum is a genus of aromatic herbs, undershurbs or shrubs distributed in the tropical and warm temperate regions of the world. Larvicidal activity of essential oils and different extracts of O. sanctum, O. basilicum and O. gratissimum were compared on laboratory reared and field collected larvae of Culex quinquefasci...

journal_title：Natural product research

authors： Rajamma AJ,Dubey S,Sateesha SB,Tiwari SN,Ghosh SK

更新日期：2011-12-01 00:00:00

abstract：:The hexane fraction from the roots of Echinops ellenbeckii O. Hoffm. from Ethiopia yielded seven acetylenic thiophenes of which five compounds (1, 3, 4, 6, 7) are reported for the first time in this species: the monothiophenes 5-(penta-1,3-diynyl)-2-(but-3-en-1-ynyl)-thiophene (1), 5-(penta-1,3-diynyl)-2-(4-acetoxy-bu...

journal_title：Natural product research

authors： Hymete A,Rohloff J,Kjøsen H,Iversen TH

更新日期：2005-12-01 00:00:00

abstract：:Five phenanthrene and two dihydrophenanthrene derivatives were isolated from the diethyl ether extract of fresh rhizomes of Dioscorea communis (L.), among them a phenanthrentriol 1 reported for the first time from Dioscoreaceae family and two dihydrophenanthrene derivatives 6 and 7 reported also for the first time fro...

journal_title：Natural product research

authors： Boudjada A,Touil A,Bensouici C,Bendif H,Rhouati S

更新日期：2019-11-01 00:00:00

abstract：:Investigation of the roots of Lotus polyphyllos Clarke resulted in the isolation of two new isoflavone derivatives; 4'-O-methylerythrinin C (3) and 4'-O-methyl-2''-hydroxydihydroalpinumisoflavone (4). In addition, the three known isoflavone derivatives 4'-O-methylalpinumisoflavone (1) lupinalbin F (5), 4',7-dimethoxy-...

journal_title：Natural product research

authors： Abdel-Kader MS,Amer ME,Tang S,Kingston DG

更新日期：2006-08-01 00:00:00

abstract：:A series of isoquinoline alkaloids including tetrahydroprotoberberines, N-methyl tetrahydroprotoberberines and protoberberines were facile synthesised with protopines as the starting material. All compounds were evaluated for their antibacterial activities against four pathogenic bacteria Escherichia coli, Staphylocco...

journal_title：Natural product research

authors： Cheng P,Wang B,Liu X,Liu W,Kang W,Zhou J,Zeng J

更新日期：2014-01-01 00:00:00

abstract：:New isoquinoline alkaloid hypepontine (1) together with a five known compounds, were identified in Hypecoum ponticum Velen, the partial synonym of Hypecoum procumbens L. The structure of the new substance was elucidated based on spectroscopic evidence. The tertiary and quaternary alkaloid mixtures as well as the isola...

journal_title：Natural product research

authors： Doncheva T,Kostova N,Valcheva V,Toshkovska R,Vutov V,Philipov S

更新日期：2020-03-01 00:00:00

abstract：:A new denudatine-type C20-diterpenoid alkaloid, designated as sinchianine (1), together with eight known diterpenoid alkaloids, 12-acetyl-12-epi-napelline (2), 12-epi-napelline (3), neoline (4), talatisamine (5), 14-O-acetylsenbusine A (6) and benzoylaconine (7), songorine (8) and aconitine (9), were isolated from the...

journal_title：Natural product research

authors： Samanbay A,Zhao B,Aisa HA

更新日期：2018-10-01 00:00:00

abstract：:The chemical composition of the volatile organic compounds (VOCs) released from the leaves and flowers of Artemisia fragrans Willd. (Asteraceae) was investigated using headspace solid-phase microextraction (HS-SPME) coupled to gas chromatography (GC) and/or GS/mass spectrometry (GC/MS). The efficiency and reliability ...

journal_title：Natural product research

authors： Movafeghi A,Djozan Dj,Torbati S

更新日期：2010-08-01 00:00:00

abstract：:The oral squamous cell carcinoma (OSCC) is the eighth more common cancer in men. The development of new and more efficient drugs is needed. Plants of the genus Piper are popularly used in the treatment of many diseases. This study evaluated the antitumor effect of extract, fraction and isolated compounds from leaves o...

journal_title：Natural product research

authors： Fonseca ACCD,de Queiroz LN,Sales Felisberto J,Jessé Ramos Y,Mesquita Marques A,Wermelinger GF,Pontes B,de Lima Moreira D,Robbs BK

更新日期：2020-10-14 00:00:00

abstract：:A new alkynol, platycodynol (1), identified as 2, 3, 9, 13, 14-pentahydroxy-4, 6-tetradecadiyne, along with six known compounds (2-7) were obtained from Platycodins folium for the first time. Their structures were elucidated with infrared (IR), ultraviolet (UV), 1D and 2D nuclear magnetic resonance (NMR) spectroscopic...

journal_title：Natural product research

authors： Wang C,Dong Q,Wu F,Li Z,Li P,Liu J,Wang F

更新日期：2020-01-17 00:00:00

abstract：:A new phenolic glycoside, 6-O-(4'-hydroxy-3',5'-dimethoxybenzoyl)-d-glucopyranose (4), and nine known compounds (1-3 and 5-10) were isolated from Juglans mandshurica Maxim. Compound structures were elucidated by NMR, HR-ESI-MS and acid hydrolysis. Compounds 5 and 6 are reported from this genus for the first time. Amon...

journal_title：Natural product research

authors： Yao D,Jin M,Zhang C,Luo J,Li R,Zheng M,Cui J,Li G

更新日期：2014-01-01 00:00:00

abstract：:One new naturally occurring quinone, 3',4'-dihydroxy-1,2,6-trimethoxy-[1,1'-biphenyl]-4(1H)-one (1), one new diarylpropane, emarginone A (2), and one new neolignan, emarginone B (3), along with eighteen known compounds have been isolated from the chemical investigation of the EtOAc-soluble fraction of the Vaccinium em...

journal_title：Natural product research

authors： Tu PC,Liang YC,Kao MC,Chao LK,Tseng MH,Lu TL,Sung PJ,Kuo YH

更新日期：2019-09-09 00:00:00

abstract：:Colletia paradoxa (Spreng.) Esc. (Rhamnaceae, Colletieae) is a medicinal plant, threatened with extinction in Brazil, presenting great morphological variability. Our objective is to investigate the phytochemical components, antioxidant capacity and antimycobacterial activity of different morphotypes of C. paradoxa in ...

journal_title：Natural product research

authors： Bastos Záchia NR,Piana M,Dos Santos Siqueira F,da Silva Jesus R,Athayde ML,Essi L,de Campos MMA

更新日期：2019-04-16 00:00:00

abstract：:A new flavonol glycoside named Sabiapside A (1), along with four known compounds, quercetin-3-O-gentiobioside (2), camellianoside (3), isobariclisin-3-O- rutinoside (4), tsubakioside A (5), was isolated from Sabia parviflora. Their structures were elucidated by extensive spectroscopic analysis including MS, UV, IR and...

journal_title：Natural product research

authors： Sun Q,Pan G,Xu W,Lu X,Bai C,Liu M,Chen Y

更新日期：2019-10-29 00:00:00

abstract：:Three new diterpenoids, liquidambolide A (1) and liquiditerpenoic acids A (2) and B (3), together with 10 known diterpenes were isolated from the resin of Liquidambar formosana Hance, whose structures were elucidated by detailed analysis on the NMR and HR-ESI-MS spectra. ...

journal_title：Natural product research

authors： Shang HJ,Li DY,Wang WJ,Li ZL,Hua HM

更新日期：2014-01-01 00:00:00

abstract：:Our laboratories have been investigating biological effects of a sesquiterpenoid polygodial and its natural and synthetic analogues. Herein, we report the evaluation of these compounds against the three forms of Trypanosoma cruzi, amastigotes, trypomastigotes and epimastigotes. Although polygodial was found to be poor...

journal_title：Natural product research

authors： Turner DN,Just J,Dasari R,Smith JA,Bissember AC,Kornienko A,Rogelj S

更新日期：2019-04-28 00:00:00

abstract：:Four fractions were prepared from the crude extract of Caesalpinia minax Hance and the inhibitory activity of nitric oxide (NO) production release of RAW 264.7 cells stimulated by lipopolysaccharide (LPS) was evaluated. The ethyl acetate (EtOAc) fraction showed obvious inhibitory effect. Bioassay-guided fractionation ...

journal_title：Natural product research

authors： Liu Q,Bai B,Yang DP,Peng SY,Zhu LP,Luo MH,Zhao ZM

更新日期：2018-04-01 00:00:00

abstract：:Triterpene saponins in medicinal plants attract scientific attentions for their structural diversity and significant bioactivities. In this work, a high-performance liquid chromatography coupled to electrospray ionisation and quadrupole time-of-flight mass spectrometry (HPLC-ESI-QTOF-MS/MS) method is used to rapidly s...

journal_title：Natural product research

authors： Zhang EF,Ling Y,Yin Z,Zhang Q

更新日期：2018-04-01 00:00:00

abstract：:Ten compounds (1-10) were purified from the extract of lichens C. faveomaculata, and among these one new triterpenoid, cryptothecin A (1) was characterized through mass spectrometric and 2D NMR spectroscopic analyses. Some of the isolated compounds were assessed for their antimicrobial (1, 6, and 8) and cytotoxic acti...

journal_title：Natural product research

authors： Ngoc Tuan N,Kuo PC,Trung Hieu T,Tuong Vi LN,Tong Hung Q,Dunge LT,Duy Trinh N,Quang Trung N,Cuu Khoa N,Viet Hai H,Thang TD

更新日期：2019-08-02 00:00:00

abstract：:Both enantiomers of the polyketide-derived lactone citreofuran (4) have been prepared. The enantiopure building blocks were obtained on a chemoenzymatic route ((S)-6) and by a chiral pool synthesis ((R)-6). The crucial step in the synthesis, a macrolactonization, was accomplished under Mitsunobu conditions. ...

journal_title：Natural product research

authors： Bracher F,Schulte B

更新日期：2003-08-01 00:00:00

abstract：:An alternative method for the synthesis of the 8-methyl-1-tetralone from the commercially available 5-methoxy-1-tetralone has been developed. The transformation involves eight steps and affords an overall yield 25%. ...

journal_title：Natural product research

authors： Poon PS,Bedoya L,Churio GJ,Banerjee AK

更新日期：2014-01-01 00:00:00

abstract：:Alzheimer's disease (AD) is a multifactorial health problem widespread over the world. Regarding the historical importance of the alkaloids in the central nervous system pharmacology they remain as promising drug candidates against AD. Seven alkaloids from Amaryllidaceae and Fabaceae were evaluated in vivo, in vitro a...

journal_title：Natural product research

authors： de Almeida WAM,de Andrade JP,Chacon DS,Lucas CR,Mariana E,de Santis Ferreira L,Guaratini T,Barbosa EG,Zuanazzi JA,Hallwass F,de Souza Borges W,de Paula Oliveira R,Giordani RB

更新日期：2020-02-18 00:00:00

abstract：:Nerium oleander (NO), a member of the Apocynaceae family, is an ornamental plant. In this study, we evaluated the antiviral activity of hot and cold extract of NO against six different viruses such as herpes simplex virus type 1 (HSV-1), polio virus type 1 (Sb-1), vesicular stomatitis virus (VSV), reovirus type-1 (Reo...

journal_title：Natural product research

authors： Sanna G,Madeddu S,Serra A,Collu D,Efferth T,Hakkim FL,Rashan L

更新日期：2019-03-25 00:00:00

abstract：:The purpose of this study is the determination of chemical composition and antioxidant activity of essential oils (EOs) from Saussurea costus (Falc.) Lipsch. Roots have been collected on December of the first plant year (IY) and in April, August and December of the third plant year (I, 6B, D7). A GC analysis was carri...

journal_title：Natural product research

authors： Benedetto C,D'Auria M,Mecca M,Prasad P,Singh P,Singh S,Sinisgalli C,Milella L

更新日期：2019-08-01 00:00:00

abstract：:The present study was designed to evaluate the herbicidal activity of Datura metel against the noxious weed parthenium (Parthenium hysterophorus L.). In a laboratory bioassay, the effect of aqueous, methanol and n-hexane shoot and root extracts of 5, 10, 15 and 20% w/v (on a fresh weight basis) concentration of D. met...

journal_title：Natural product research

authors： Javaid A,Shafique S,Shafique S

更新日期：2010-09-01 00:00:00

abstract：:From the aerial parts of Citharexylum spinosum L., one new iridoid glucoside, the 7-ss-O-acetate (1) of lamiide, along with four known iridoid glucosides, lamiide (2), lamiidoside (3), duranterectoside C (4), 8-epiloganin (5) and one known lignan glucoside (+)-lyonirenisol-3a-O-ss-D-glucopyranoside (6) were isolated. ...

journal_title：Natural product research

authors： Balázs B,Tóth G,Duddeck H,Soliman HS

更新日期：2006-02-01 00:00:00

abstract：:A new eremophilane sesquiterpene, capnodiumone (1), along with five known eremophilane sesquiterpenes (2-6) and eight other compounds (7-14), have been isolated from a mangrove-associated fungus Capnodium sp. SZ-F22. The chemical structures were elucidated on the basis of extensive spectroscopic analysis. The broth ex...

journal_title：Natural product research

authors： He H,Ma Z,Wang Q,Liu Y,Xu H

更新日期：2016-07-01 00:00:00