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Profiling and accurate quantification of Rubus ellagitannins and ellagic acid conjugates using direct UPLC-Q-TOF HDMS and HPLC-DAD analysis.
TLDR
This survey of ellagitannins and ellagic acid conjugates provides evidence for the existence of significant differences in the pattern between and within blackberry and raspberry cultivars.
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A new solution for an old problem: the regiochemical distribution of the acyl chains in galactolipids can be established by electrospray ionization tandem mass spectrometry.
TLDR
Electrospray ionization-quadrupole ion trap mass spectrometry (ESI-QITMS), either in positive- or in negative-ion mode, has been used to establish the chemical structures of the fatty acids attached to the primary and secondary hydroxyl groups of the glycerol moiety of natural monogalactosyl- (MGDG) and DGDG mixtures.
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Evolution of ellagitannin content and profile during fruit ripening in Fragaria spp.
TLDR
It was shown that there are major qualitative and quantitative differences in the amount and profile of ellagitannins and ellagic acid conjugates between Fragaria spp.
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Environmental controls of epilithic diatom depth-distribution in an oligotrophic lake characterized by marked water-level fluctuations
TLDR
The results indicate that depth-distribution patterns should be considered when performing lake diatom biodiversity inventories and integrity evaluations because water-level fluctuations are likely to increase in many lakes due to increased withdrawal of water and climate change in the future.
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Lipid profiles of oil from trout (Oncorhynchus mykiss) heads, spines and viscera: trout by-products as a possible source of omega-3 lipids?
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New insights on the mechanism of palladium-catalyzed hydrolysis of sodium borohydride from 11B NMR measurements.
TLDR
The results indicate that in the palladium-catalyzed process the rate constants of the exchange processes are higher than those of the corresponding hydrolysis reactions.
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Pore Formation by Equinatoxin II, a Eukaryotic Protein Toxin, Occurs by Induction of Nonlamellar Lipid Structures*
TLDR
Evidence is provided that toroidal pore concept, a general mechanism of pore formation for various membrane-interacting proteins or peptides, may be used also by larger toxins.
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Abscisic Acid Is a Major Regulator of Grape Berry Ripening Onset: New Insights into ABA Signaling Network
TLDR
It is highlighted that a small amount of ABA triggered its own biosynthesis and had a transcriptome-wide effect (1893 modulated genes) characterized by the amplification of the transcriptional response over time that contributes to the understanding of berry ripening regulation.
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Fate of microbial metabolites of dietary polyphenols in rats: is the brain their target destination?
TLDR
The brain was found to be a specific target organ for 10 of the 23 polyphenol metabolites injected, which significantly increased in the treated animals, providing new perspectives for understanding the role of diet on brain chemistry.
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Profiling of resveratrol oligomers, important stress metabolites, accumulating in the leaves of hybrid Vitis vinifera (Merzling × Teroldego) genotypes infected with Plasmopara viticola.
TLDR
The isolation of a dimer deriving from the condensation of (+)-catechin with trans-caffeic acid also indicated that other preformed phenolics are structurally modified in tissues infected with P. viticola.
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