cis piceid/vitis vinifera

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Stilbenes and tyrosol as target compounds in the assessment of antioxidant and hypolipidemic activity of Vitis vinifera red wines from southern Brazil.

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The contents of stilbene monomers, cis-resveratrol, trans-resveratrol, cis-piceid, trans-piceid, and tyrosol, were quantified in Vitis vinifera red wines, cvs. Cabernet Franc, Merlot, Sangiovese, and Syrah, 2006 and 2007 vintages, from the São Joaquim region, a new grape-growing region at southern

Production of highly 13C-labeled polyphenols in Vitis vinifera cell bioreactor cultures.

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The use of Vitis vinifera cells grown in a 2 l-stirred tank bioreactor for producing isotopically 13C-labeled phenolic substances is presented. Several culture parameters were optimized to achieve characteristics of growth and polyphenol metabolism similar to that recorded in shake flasks.

Chitosan treatment induces changes of protein expression profile and stilbene distribution in Vitis vinifera cell suspensions.

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Polyphenols, including stilbenes and flavonoids, are an essential part of human diet and constitute one of the most abundant and ubiquitous groups of plant secondary metabolites, and their level is inducible by stress, fungal attack or biotic and abiotic elicitors. Proteomic analysis of Vitis

Stilbene production in cell cultures of Vitis vinifera L. cvs Red Globe and Michele Palieri elicited by methyl jasmonate.

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Cell cultures obtained from Vitis vinifera cvs Michele Palieri and Red Globe were cultured in order to stimulate stilbene production. In the calli, stilbene production peaked at day 22 of culture for both cultivars; the main compound was trans-piceid, followed by cis-piceid. Methyl jasmonate, which

Pancreatic lipase inhibitory stilbenoids from the roots of Vitis vinifera.

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Bioassay-guided isolation of an aqueous methanolic extract of Vitis vinifera using pancreatic lipase inhibitory activity led to isolation of seven stilbenoids, wilsonol C (1), heyneanol A (2), ampelopsin A (3), pallidol A (4), cis-piceid (5), trans-piceid (6) and trans-resveratrol (7). The

Potential cancer-chemopreventive activities of wine stilbenoids and flavans extracted from grape (Vitis vinifera) cell cultures.

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Moderate consumption of wine is associated with a reduced risk of cancer. Grape plant cell cultures were used to purify 12 phenols: the stilbenoids trans-astringin, trans-piceid (2), trans-resveratroloside, trans-resveratrol, trans-piceatannol, cis-resveratroloside, cis-piceid, and cis-resveratrol;

A Focused Multiple Reaction Monitoring (MRM) Quantitative Method for Bioactive Grapevine Stilbenes by Ultra-High-Performance Liquid Chromatography Coupled to Triple-Quadrupole Mass Spectrometry (UHPLC-QqQ).

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Grapevine stilbenes are a family of polyphenols which derive from trans-resveratrol having antifungal and antimicrobial properties, thus being considered as phytoalexins. In addition to their diverse bioactive properties in animal models, they highlight a strong potential in human health maintenance

Determination of stilbene derivatives in Burgundy red wines by ultra-high-pressure liquid chromatography.

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The polyphenols, for example stilbenes and flavonoids, are an important family of compounds present in grapes and wines. Several studies have shown that stilbenes are antioxidants and cancer-preventing agents. For the first time, eight natural stilbenes (trans-resveratrol, trans-piceid, cis-piceid,

Stilbene compounds and stilbene synthase expression during ripening, wilting, and UV treatment in grape cv. Corvina.

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The content of selected phenolic compounds including resveratrol (trans-3,5,4'-trihydroxystilbene) and its cis-isomer and glucosides (piceides) were monitored in grape (Vitis vinifera L. cv. Corvina) berry skin during ripening in the vineyard and in response to the post-harvest drying process

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