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Pyranoanthocyanin dimers: a new family of turquoise blue anthocyanin-derived pigments found in Port wine.
In the present work, several compounds bearing similar spectroscopic features were found to occur in aged Port wines and respective sediments (lees). The data obtained revealed two new families ofExpand
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Structural features of copigmentation of oenin with different polyphenol copigments.
The copigmentation binding constants (K) for the interaction of different copigments with oenin (major red wine anthocyanin) were determined. All tests were performed in a 12% ethanol citrate bufferExpand
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A review of the current knowledge of red wine colour
Anthocyanins are the main compounds present in young red wines, being responsible for their intense red colour. These pigments are mainly located in grape skins and their extractability duringExpand
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A gas chromatography-mass spectrometry multi-target method for the simultaneous analysis of three classes of metabolites in marine organisms.
In this work a fast and simple multi-target gas chromatography-mass spectrometry (GC-MS) method for the simultaneous detection and absolute quantification of amino acids, fatty acids, sterols andExpand
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Detecção de adulterações em produtos alimentares contendo leite e/ou proteínas lácteas
A critical review of the most relevant analytical methodologies for quality and authenticity control of dairy products and foods containing milk proteins is presented. Chromatographic,Expand
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Apoptosis and Autophagy in Breast Cancer Cells following Exemestane Treatment
Aromatase inhibitors (AIs), which block the conversion of androgens to estrogens, are used for hormone-dependent breast cancer treatment. Exemestane, a steroidal that belongs to the third-generationExpand
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Separation and quantification of the major casein fractions by reverse-phase high-performance liquid chromatography and urea-polyacrylamide gel electrophoresis. Detection of milk adulterations.
The separation and quantification of bovine kappa-, alpha- and beta-caseins by HPLC-UV using an RP column which contained polystyrene-divinilbenzene copolymer based packing was optimized andExpand
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Amino acids, fatty acids and sterols profile of some marine organisms from Portuguese waters.
Marine organisms have been increasingly regarded as good sources of new drugs for human therapeutics and also as nutrients for human diet. The amino acids, fatty acids and sterols profiles of theExpand
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Induction and subcellular redistribution of progesterone receptor A and B by tamoxifen in the hypothalamic ventromedial neurons of young adult female Wistar rats
The ventrolateral division of the hypothalamic ventromedial nucleus (VMNvl) is a brain center for estrogen-dependent triggering of female sexual behavior upon progesterone receptor (PR) activation.Expand
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Effects of steroidal aromatase inhibitors on sensitive and resistant breast cancer cells: Aromatase inhibition and autophagy
Several therapeutic approaches are used in estrogen receptor positive (ER(+)) breast cancers, being one of them the use of aromatase inhibitors (AIs). Although AIs demonstrate higher efficacy thanExpand
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