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Free-radical-scavenging and antioxidant activities of secondary metabolites from reddened cv. Annurca apple fruits.
TLDR
Forty-three secondary metabolites were isolated and characterized from Annurca apple fruit, an apple variety cultivated in the south of Italy, by measuring their capacity to scavenge DPPH*, H2O2, and NO and to inhibit the formation of methyl linoleate conjugated diene hydroperoxides or TBARS.
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Isolation and structure elucidation of antioxidant polyphenols from quince (Cydonia vulgaris) peels.
Thirteen new compounds, as well as 16 already known, have been isolated from organic extracts of peels of Cydonia vulgaris, a fruit of a shrub belonging to the same tribe as the apple. All of the…
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Antioxidant efficacy of iridoid and phenylethanoid glycosides from the medicinal plant Teucrium chamaedris in cell-free systems.
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LC-MS/MS profiling of a mastic leaf phenol enriched extract and its effects on H2O2 and Aβ(25-35) oxidative injury in SK-B-NE(C)-2 cells.
TLDR
P hypothesize the use of Pistacia lentiscus leaves, a broadly available and renewable source, as an alternative strategy for the enrichment of food matrices with polyphenol bioactives, and defines Pl-M extract safety and efficacy.
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Spectroscopic identification and antioxidant activity of glucosylated carotenoid metabolites from Cydonia vulgaris fruits.
TLDR
Three new carotenoid derivatives, as well as three known compounds, have been isolated from the ethanolic extract of peels of Cydonia vulgaris, the fruit of a shrub belonging to the same family as the apple.
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Structural determination of the complex exopolysaccharide from the virulent strain of Cryphonectria parasitica.
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Elucidation of two O-chain structures from the lipopolysaccharide fraction of Agrobacterium tumefaciens F/1.
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Acetyl substitution of the O-specific polysaccharide caryophyllan from the phenol phase of Pseudomonas (Burkholderia) caryophylli.
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Observed and calculated 1H- and 13C-NMR chemical shifts of substituted 5H-pyrido[3,2-a]- and 5H-pyrido[2,3-a]phenoxazin-5-ones and of some 3H-phenoxazin-3-one derivatives.
TLDR
The calculated shifts reproduce well the experiment results; thus, the computational procedure represents a feasible and useful complement to multidimensional NMR experiments in the assignment process.
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A 13C-NMR study of lipids extracted from meat of different animal species
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