Antioxidant Activities of Hydroxylated Naphthalenes: The Role of Aryloxyl Radicals.
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DOI: 10.1002/cplu.202200449
Abstract: Herein is delineated a first systematic framework for the definition of structure-antioxidant property relationships in the dihydroxynaphthalene (DHN) series. The results obtained by a combined experimental and theoretical approach revealed that 1,8-DHN is the best… read more here.
Keywords: activities hydroxylated; hydroxylated naphthalenes; aryloxyl radicals; antioxidant activities ... See more keywords
Fatty acid profile, secondary compounds and antioxidant activities in the fresh forage, hay and silage of sainfoin ( Onobrychis viciifolia ) and sulla ( Hedysarum coronarium )
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DOI: 10.1002/jsfa.11834
Abstract: Abstract Background Sainfoin (Onobrychis viciifolia) and sulla (Hedysarum coronarium) are forage legumes usually preserved to optimize their utilization as feedstuffs. However, the method of preservation modifies the chemical composition differently in both legume species. Secondary… read more here.
Keywords: sainfoin onobrychis; onobrychis viciifolia; sulla; secondary compounds ... See more keywords
Antioxidant activities of major tryptophyllin L peptides: A joint investigation of Gaussian‐based 3D‐QSAR and radical scavenging experiments
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DOI: 10.1002/psc.3295
Abstract: The red tree frog Litoria rubella from Australia has been studied for several decades showing that their dorsal skin glands secrete a number of small peptides containing a Pro–Trp sequence, known as tryptophyllin L peptides.… read more here.
Keywords: tryptophyllin peptides; antioxidant activities; investigation; radical scavenging ... See more keywords
Extraction of polysaccharides under vacuum condition from Lentinus edodes stipe and their antioxidant activities in vitro
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DOI: 10.1007/s10068-018-0513-z
Abstract: To improve the efficiency of polysaccharide extraction, vacuum technology was used to breakdown the cell wall to extract polysaccharides from Lentinus edodes stipe, and the optimal parameters were optimized by response surface methodology. Then the… read more here.
Keywords: edodes stipe; activities vitro; lentinus edodes; extraction polysaccharides ... See more keywords
Effect of Ferric Chloride Concentration on the Type of Magnetite (Fe3O4) Nanoparticles Biosynthesized by Aqueous Leaves Extract of Artemisia and Assessment of Their Antioxidant Activities
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DOI: 10.1007/s10876-020-01868-7
Abstract: In this study, green synthesis of iron oxide magnetite (Fe 3 O 4 -NPs) was successfully prepared from Artemisia leaves extract and Assessment of Their Antioxidant Activities. The effect of different ferric chloride concentrations 0.01-0.1 M… read more here.
Keywords: assessment antioxidant; antioxidant activities; leaves extract; magnetite ... See more keywords
Profiling of phenolic compounds and antioxidant activities of Cissus rotundifolia (Forssk.) as influenced by ultrasonic-assisted extraction conditions
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DOI: 10.1007/s11694-018-9976-0
Abstract: Cissus rotundifolia (Forssk.) is a wild plant belongs to the Vitaceae family, containing high levels of minerals, vitamins and amino acids. It has been used as a traditional medicine for the treatment of several diseases.… read more here.
Keywords: extraction; antioxidant activities; assisted extraction; phenolic compounds ... See more keywords
Determination of the various extraction solvent effects on polyphenolic profile and antioxidant activities of selected tea samples by chemometric approach
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DOI: 10.1007/s11694-020-00376-6
Abstract: In this study, the effect of solvent type and solvent concentration on the ultrasound assisted extraction (UAE) of polyphenols from popular tea samples (black, green, mate, blackberry and black mulberry) which have high antioxidant activities… read more here.
Keywords: solvent; tea samples; antioxidant activities; extraction solvent ... See more keywords
Synthesis and bioevaluation of α,α’-bis(1H-1,2,3-triazol-5-ylmethylene) ketones
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DOI: 10.1007/s11696-019-00908-5
Abstract: Abstract Curcumin is an active component of turmeric that has poor solubility, stability and bioavailability. The monocarbonyl curcumin analogues were modified from curcumin to achieve more stable and active compounds as compared to curcumin. Therefore,… read more here.
Keywords: bis triazol; antioxidant activities; ylmethylene ketones; triazol ylmethylene ... See more keywords
Chemical constituents from Viburnum fordiae Hance and their anti-inflammatory and antioxidant activities
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DOI: 10.1007/s12272-018-1026-2
Abstract: Three new neolignans, fordianoles A-C (1–3), characterized as (7S,8R)-4-hydroxy-3,3′,5′-trimethoxy-8′,9′-dinor-8,4′-oxyneolignan-7,7′,9-triol, (7R,8R)-4-hydroxy-3,3′,5′-trimethoxy-8′,9′-dinor-8,4′-oxyneolignan-7,7′,9-triol, and (7R,8R)-4-hydroxy-3,3′,5′-trimethoxy-8,4′-oxyneolignan-7,9,9′-triol-7′-one, together with an unusual γ-lactone, 3-(3,4-dihydroxyphenyl)-4-pentanolide (4), and twenty-five known compounds (5–29) were isolated from the aerial parts of Viburnum fordiae Hance. Their… read more here.
Keywords: viburnum fordiae; anti inflammatory; antioxidant activities; inflammatory antioxidant ... See more keywords
Effects of superfine grinding on the physicochemical properties and antioxidant activities of Sanchi (Panax notoginseng) flower powders
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DOI: 10.1007/s13197-020-04514-2
Abstract: Sanchi flowers were traditionally used as functional medicinal ingredient in materials. The study was aimed at evaluating superfine powder product of Sanchi flower, hence in this study, five fractions of dried Sanchi flower powders (SFP)… read more here.
Keywords: effects superfine; antioxidant activities; particle; superfine grinding ... See more keywords
The physicochemical properties, total phenolic, antioxidant activities, and phenolic profile of fermented olive cake
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DOI: 10.1016/j.arabjc.2012.07.002
Abstract: Abstract Fermentation of olive cake during 60 days by evaluating the physicochemical properties, total phenolic, antioxidant activities and phenolic profile was investigated. The chemical composition showed that olive cake is rich in crude fiber and carbohydrates… read more here.
Keywords: olive cake; total phenolic; antioxidant activities; physicochemical properties ... See more keywords