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Characterization of an acetylated heteroxylan from Eucalyptus globulus Labill.
A heteroxylan was isolated from Eucalyptus globulus wood by extraction of peracetic acid delignified holocellulose with dimethyl sulfoxide and contained galactosyl and glucosyl units attached at O-2 of MeGlcA originating from rhamnoarabinogalactan and glucan backbones, respectively. Expand
Oxidation mechanisms occurring in wines
Abstract The present review aims to show the state of the art on the oxidation mechanisms occurring in wines, as well as the methods to monitor, classify and diagnose wine oxidation. Wine oxidationExpand
Extraction and quantification of pigments from a marine microalga: a simple and reproducible method
A comparison of different methods to quantify pigments was done, using as selection criteria the simplicity, the amount of pigments identified and the time required for the analysis, and found the freezing/unfreezing technique with liquid N2 was found to be more efficient than the use of ultrasounds for 15 min. Expand
Identification of anthocyanin-flavanol pigments in red wines by NMR and mass spectrometry.
Three newly formed Port wine pigments were isolated by Toyopearl HW-40(s) gel chromatography and semipreparative HPLC and NMR data of these pigments are reported for the first time. Expand
Simultaneous characterization and quantification of phenolic compounds in Thymus x citriodorus using a validated HPLC–UV and ESI–MS combined method
Abstract Thymus x citriodorus is a Lamiaceae plant extensively cultivated in the Mediterranean region and used for centuries in culinary and in traditional medicine. The present work describes theExpand
Identification of phenolic constituents of Cytisus multiflorus
The phenolic composition of the ethanolic extract obtained from the flowers of the medicinal plant Cytisus multiflorus has been elucidated by high performance liquid chromatography, electrospray massExpand
Pyranoanthocyanin dimers: a new family of turquoise blue anthocyanin-derived pigments found in Port wine.
Two new families of compounds with unique spectroscopic characteristics are revealed, one of which displays an attractive and rare turquoise blue color at acidic conditions and has never been reported in the literature. Expand
Triterpenes from Acacia Dealbata
Abstract From the leaves, flowers and seeds of A. dealbata four lupene type triterpenes, lupenone, lupeol, lupenyl palpimate and lupenyl cinnamate, not previously reported in this genus, have beenExpand
Phenolic constituents of Lamium album: Focus on isoscutellarein derivatives
article i nfo Lamium album L. is an edible plant which is consumed raw or cooked, in particular in the Mediterranean and sur- rounding areas. It is also consumed as tea infusions and as a mainExpand
Sartorymensin, a new indole alkaloid, and new analogues of tryptoquivaline and fiscalins produced by Neosartorya siamensis (KUFC 6349)
Seven new indole alkaloids including a new indoloazepinone derivative (2), two new quinazolinone derivatives (7, 8) and four new pyrazinoquinazolinone derivatives: epi-fiscalin C (10), epi-fiscalin AExpand