Articles with "isolation structure" as a keyword



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Profiling, isolation and structure elucidation of specialized acylsucrose metabolites accumulating in trichomes of Petunia species

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Published in 2017 at "Metabolomics"

DOI: 10.1007/s11306-017-1224-9

Abstract: IntroductionAcylsugar specialized metabolites function as defenses against insect herbivores, and are the most abundant specialized metabolites produced in Solanaceous trichomes. Metabolite profiling provides the foundation for determining the genetic basis of specialized metabolism and its… read more here.

Keywords: specialized metabolites; structure elucidation; elucidation specialized; profiling isolation ... See more keywords
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Isolation, structure, and potential biotechnological applications of the exopolysaccharide from Paenibacillus polymyxa 92.

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Published in 2020 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2019.115780

Abstract: Paenibacillus polymyxa 92, isolated from wheat roots, produced large amounts (38.4 g L-1) of exopolysaccharide (EPS) in a liquid nutrient medium containing 10 % (w/v) sucrose. The EPS was precipitated from the culture broth with cold… read more here.

Keywords: structure potential; biotechnological applications; applications exopolysaccharide; potential biotechnological ... See more keywords
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Advance in Cordyceps militaris (Linn) Link polysaccharides: Isolation, structure, and bioactivities: A review.

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Published in 2019 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2019.04.020

Abstract: Cordyceps militaris is a unique and precious medical fungus in Chinese Cordyceps, which has been widely used as the traditional medicines or as biocontrol agents against pests in China for centuries. Polysaccharides are one of… read more here.

Keywords: structure bioactivities; advance cordyceps; cordyceps militaris; structure ... See more keywords
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Isolation and structure characterization of a polysaccharide from Crataegus pinnatifida and its bioactivity on gut microbiota.

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Published in 2020 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2020.03.058

Abstract: A glucose rich heteroglycan named HAW1-2 was isolated and purified from fruit of Crataegus pinnatifida by hot-water extraction, ethanol precipitation, DEAE-cellulose anion exchange and gel permeation chromatography. HAW1-2 was proved as a homogenous polysaccharide with… read more here.

Keywords: haw1; bioactivity; crataegus pinnatifida; crataegus ... See more keywords
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Isolation and structure characterization of cytotoxic alkaloids from Micromelum integerrimum.

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Published in 2020 at "Phytochemistry"

DOI: 10.1016/j.phytochem.2020.112463

Abstract: Ten undescribed alkaloids, named integerrines A-J, including one racemic heterodimer of carbazole and indole, two racemic, two scalemic, and one enantiomerically enriched biscarbazoles, two aldoximes, and one racemic pyrrolone, were isolated from the dried leaves… read more here.

Keywords: cytotoxic alkaloids; characterization cytotoxic; alkaloids micromelum; micromelum integerrimum ... See more keywords
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Isolation and structure elucidation of siliendines A‒D, new β-carboline alkaloids from Silene seoulensis

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Published in 2020 at "Phytochemistry Letters"

DOI: 10.1016/j.phytol.2020.01.010

Abstract: Abstract Four new β-carboline alkaloids, siliendines A–D (1‒4), and four known metabolites (5–8) were isolated from the ethanolic extract of the aerial parts of Silene seoulensis using various chromatographic methods. The structures of the new… read more here.

Keywords: structure elucidation; silene seoulensis; new carboline; carboline alkaloids ... See more keywords
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Isolation, Structure Elucidation, and Absolute Configuration of Germacrane Isomers from Carpesium divaricatum

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Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-30782-2

Abstract: Five sets of germacrane isomers (1/8/17, 2/7/10/11/13/16/18, 3/4/5/14/20, 6/12/15, and 9/19) with different skeletal types, including seven new ones (1–3, 8–9, and 15–16) were isolated from the whole plant of Carpesium divaricatum. Among them, there… read more here.

Keywords: carpesium divaricatum; structure elucidation; elucidation absolute; germacrane isomers ... See more keywords
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Isolation and structure elucidation of anti-tyrosinase compounds from the seeds of Crotalaria pallida

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Published in 2020 at "Journal of Asian Natural Products Research"

DOI: 10.1080/10286020.2020.1782386

Abstract: Abstract Three new compounds, crotalariapallins A-C (1-3), were isolated from the 95% EtOH extract of the seeds of Crotalaria pallida. Their structures were established based on extensive spectroscopic methods, including HRESIMS, UV, 1D and 2D… read more here.

Keywords: crotalaria pallida; structure elucidation; tyrosinase compounds; elucidation anti ... See more keywords
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Isolation and structure elucidation of antioxidant compounds from stem and root barks of Daphne giraldii.

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Published in 2023 at "Journal of Asian natural products research"

DOI: 10.1080/10286020.2023.2195106

Abstract: Two new compounds, aphegiractin A1/A2 (1a/1b), and seven known compounds were isolated by phytochemical work on EtOAc-soluble ingredients extracted from stem and root barks of Daphne giraldii. Their structures were established based on extensive spectroscopic… read more here.

Keywords: root barks; daphne giraldii; stem root; barks daphne ... See more keywords
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Isolation and structure determination of a new indene derivative from endophytic fungus Aspergillus flavipes Y-62

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Published in 2018 at "Natural Product Research"

DOI: 10.1080/14786419.2018.1510399

Abstract: Abstract As part of the search for naturally derived secondary metabolites, a novel indene derivative, compound 1, together with nine known metabolites (2–10) have been purified from an ethyl acetate extract of the plant-associated fungus… read more here.

Keywords: fungus aspergillus; structure determination; aspergillus flavipes; isolation structure ... See more keywords
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Isolation and structure of an 18-membered macrocycle containing two diselenide linkages and its precursor.

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Published in 2019 at "Acta crystallographica. Section C, Structural chemistry"

DOI: 10.1107/s2053229619002341

Abstract: The structures of the 18-membered diselenide-linked macrocycle 10,27-di-tert-butyl 11,28-dioxo-2,3,19,20-tetraselena-10,12,27,29-tetraazapentacyclo[28.4.0.04,9.013,18.021,26]tetratriaconta-1(30),4(9),5,7,13,15,17,21,23,25,31,33-dodecaene-10,27-dicarboxylate, C36H34N4O6Se4, and its precursor di-tert-butyl 2,2'-[diselane-1,2-diylbis(2,1-phenylene)]dicarbamate, C22H28N2O4Se2, are reported. The precusor to the macrocycle contains two tert-butyl phenylcarbamate arms connected to a diselenide group, with Se-C… read more here.

Keywords: diselenide linkages; isolation structure; tert butyl; macrocycle ... See more keywords