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Optimization of polyphenol extraction from grape skin, seed, and pulp was performed on Vitis vinifera L. cv. Pinot Noir, by response surface methodology using a Doehlert design. An acidified mixture… Continue Reading
BackgroundProanthocyanidins (PAs), or condensed tannins, are flavonoid polymers, widespread throughout the plant kingdom, which provide protection against herbivores while conferring organoleptic and… Continue Reading
Vitamin E is a scavenger molecule trapping free radicals in biological membranes. However, it has also been shown to elicit the formation of reactive oxygen species and apoptosis in cancer cells. In… Continue Reading
Gallotannins extracted from gallnuts are commonly added to wine to improve its properties. They consist of mixtures of galloylester derivatives of glucose. However, their composition and properties… Continue Reading
Mesembryanthemum edule (Aizoaceae family) is an edible halophyte widely used as a food ingredient and in traditional medicine. This study was intended to characterize the phenolic compounds of M.… Continue Reading
The genotoxicity of diesel particles has been widely documented, and their tumor promoting effect has been reported recently using the gap junction intercellular communication (GJIC) assay. In the… Continue Reading