Articles with "characterization antioxidant" as a keyword



Chemical characterization, antioxidant activity and activation of macrophages RAW264.7 via MAPK signaling pathway of the exopolysaccharide from Penicillium EF‐2

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Published in 2025 at "Journal of the Science of Food and Agriculture"

DOI: 10.1002/jsfa.14171

Abstract: Microbial exopolysaccharides represent a significant source of polysaccharides, with their production unconstrained by temporal or spatial limitations. Penicillium, a filamentous fungus widely recognized for its medicinal food applications, is known to produce exopolysaccharides that exhibit… read more here.

Keywords: chemical characterization; antioxidant activity; activation macrophages; characterization antioxidant ... See more keywords
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Isolation and characterization of an antioxidant exopolysaccharide produced by Bacillus sp. S-1 from Sichuan Pickles.

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Published in 2019 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2018.09.069

Abstract: It is urgent to explore food-grade EPSs from edible microorganism. In this study, a new type of exopolysaccharide (EPS) secreted by Bacillus sp. S-1 from Sichuan Pickles was isolated and fractioned on anion-exchange and gel-filtration… read more here.

Keywords: isolation characterization; antioxidant exopolysaccharide; characterization antioxidant; bacillus sichuan ... See more keywords

Structural characterization and antioxidant activity of polysaccharide from four auriculariales.

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Published in 2020 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2019.115407

Abstract: The structural characterization and antioxidant activity of four Auricularia polysaccharides (A.cornea ACP)、A.auricula(AAP)、A.polytricha (APP) and M.fungus(MFP)) were studied in this paper. The results shown: polysaccharides of four Auricularia were mainly composed of mannose and galactose, all… read more here.

Keywords: antioxidant activity; structural characterization; polysaccharide four; characterization antioxidant ... See more keywords

Preparation, characterization and antioxidant properties of curcumin encapsulated chitosan/lignosulfonate micelles.

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Published in 2022 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2021.119080

Abstract: In this work, chitosan/lignosulfonate composite micelles (CS-LS) were successfully prepared through polyelectrolyte self-assembly. Curcumin was encapsulated in CS-LS to obtain CUR-CS-LS. The results showed that the average diameter of CS-LS and CUR-CS-LS were 239 nm and… read more here.

Keywords: chitosan lignosulfonate; characterization antioxidant; preparation characterization; hydrophobic core ... See more keywords
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Synthesis, characterization and antioxidant activities of highly functionalized cyclopentadienes catalyzed by ZnO-nanorod as economic and efficient heterogeneous nano catalyst

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Published in 2017 at "Chinese Chemical Letters"

DOI: 10.1016/j.cclet.2016.09.011

Abstract: Abstract A three-component condensation was applied for the preparation of cyclopentadiene derivatives through the reaction of primary amines, alkyl propiolate and dialkyl acetylenedicarboxylate in the presence of catalytic amount of ZnO-nanorods (Zn-NR) under solvent-free conditions… read more here.

Keywords: antioxidant activities; zno; radical scavenging; characterization antioxidant ... See more keywords
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Physicochemical characterization, antioxidant capacity, total phenolic and proanthocyanidin content of flours prepared from pequi (Caryocar brasilense Camb.) fruit by-products.

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Published in 2017 at "Food chemistry"

DOI: 10.1016/j.foodchem.2017.01.027

Abstract: The potential of pequi by-products as substrates for the production of flours rich in antioxidant dietary fibers was evaluated. Dietary fiber contents ranged from 39.8 to 43.3g/100g with pectic polysaccharide fraction constituted of rhamnogalacturonans and… read more here.

Keywords: phenolic proanthocyanidin; total phenolic; antioxidant capacity; capacity total ... See more keywords
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Synthesis, characterization and antioxidant activity of selenium modified polysaccharides from Hohenbuehelia serotina.

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Published in 2018 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2018.09.139

Abstract: In order to search the optimal pathway to supplement organic selenium and solve the water-solubility of polysaccharides, selenylation was preformed to modify the polysaccharides isolated from Hohenbuehelia serotina (Se-HSP). The physicochemical properties and morphology of… read more here.

Keywords: hohenbuehelia serotina; characterization antioxidant; spectroscopy; selenium ... See more keywords
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Structural characterization and antioxidant potential of a novel anionic exopolysaccharide produced by marine Microbacterium aurantiacum FSW-25.

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Published in 2019 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2019.03.016

Abstract: An exopolysaccharide (EPS) producing strain FSW-25 was isolated from the Rasthakaadu beach Kanyakumari, Tamil Nadu India. Based on polyphasic taxonomy, the strain FSW-25 was assigned to the genus Microbacterium and found to be the closest… read more here.

Keywords: potential novel; novel anionic; characterization antioxidant; structural characterization ... See more keywords
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Isolation, purification, characterization, and antioxidant activity of low-molecular-weight polysaccharides from Sparassis latifolia.

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Published in 2019 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2019.06.177

Abstract: Six polysaccharides (SF-FB11, SF-HW21, SF-CA31, SF-HA41, SF-FF51, and SF-FR61) of similar molecular weights (MW) (30-50 kDa) were extracted from the fermentation liquor, mycelia, and basidiomata of Sparassis latifolia by different methods. Structural analyses of these purified… read more here.

Keywords: yield antioxidant; antioxidant activities; isolation purification; sparassis latifolia ... See more keywords
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Phytochemical characterization, antioxidant, antimicrobial and pharmacological activities of Feijoa sellowiana leaves growing in Tunisia

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Published in 2018 at "Industrial Crops and Products"

DOI: 10.1016/j.indcrop.2017.12.051

Abstract: Abstract In this study, headspace solid-phase microextraction coupled to GC–MS was applied to identify the volatile bioactive compounds in the leaves of Feijoa sellowiana growing in Tunisia. Thirty-one components were identified, representing 99.9% of the… read more here.

Keywords: phytochemical characterization; growing tunisia; sellowiana leaves; inhibition ... See more keywords

Anthocyanins characterization and antioxidant activities of sugarcane (Saccharum officinarum L.) rind extracts

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Published in 2018 at "Industrial Crops and Products"

DOI: 10.1016/j.indcrop.2018.01.015

Abstract: Abstract Anthocyanins in rind extracts of three sugarcane cultivars, ROC 22, Haitang 22 and Guitang 21, were characterized using ultra performance liquid chromatography (UPLC) combined with electrospray ionization quadrupole-time-of-flight tandem mass spectrometry (ESI-QTOF-MS/MS). A total… read more here.

Keywords: rind extracts; anthocyanins characterization; antioxidant activities; sugarcane ... See more keywords