Viniferin

Last updated April 15, 2019

Viniferin may refer to:

alpha-Viniferin, a resveratrol trimer
beta-Viniferin, a resveratrol cyclic tetramer
delta-Viniferin, a resveratrol dehydrodimer
epsilon-Viniferin, a resveratrol dimer
gamma-Viniferin, a more highly polymerised oligomer of resveratrol
R-Viniferin, a synonym for the stilbenoid vitisin B
R2-Viniferin, a synonym for the stilbenoid vitisin A

<i>alpha</i>-Viniferin chemical compound

α-Viniferin is a stilbene trimer. It can be isolated from Caragana chamlagu and from Caragana sinica and from the stem bark of Dryobalanops aromatica. It is also present in relation to resistance to Botrytis cinerea and Plasmopara viticola in Vitis vinifera and Vitis riparia.

<i>delta</i>-Viniferin chemical compound

δ-Viniferin is a resveratrol dehydrodimer. It is an isomer of epsilon-viniferin. It can be isolated from stressed grapevine leaves. It is also found in plant cell cultures. or in wine. It can also be found in Rheum maximowiczii.

<i>epsilon</i>-Viniferin chemical compound

ε-Viniferin is a naturally occurring phenol, belonging to the stilbenoids family. It is a resveratrol dimer.

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Related Research Articles

Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or, when the plant is under attack by pathogens such as bacteria or fungi. Sources of resveratrol in food include the skin of grapes, blueberries, raspberries, mulberries, and peanuts.

Stilbenoids are hydroxylated derivatives of stilbene. They have a C₆–C₂–C₆ structure. In biochemical terms, they belong to the family of phenylpropanoids and share most of their biosynthesis pathway with chalcones. Stilbenoids can be produced by plants and bacteria.

Pterostilbene is a stilbenoid chemically related to resveratrol. In plants, it serves a defensive phytoalexin role.

The molecular formula C₂₈H₂₂O₆ (molar mass: 454.47 g/mol, exact mass: 454.141638 u) may refer to :

Diptoindonesin A is a C-glucoside of ε-viniferin isolated from the two Dipterocarpaceae Shorea seminis and Dryobalanops aromatica.

Kobophenol A is a stilbenoid. It is a tetramer of resveratrol. It can be isolated from Caragana chamlagu, from Caragana sinica and from Carex folliculata seeds.

Astringin is a stilbenoid, the 3-β-D-glucoside of piceatannol. It can be found in the bark of Picea sitchensis or Picea abies.

Vitisin A may refer to:

The molecular formula C₅₆H₄₂O₁₂ (molar mass: 906.92 g/mol, exact mass: 906.267627 u) may refer to:

Vitisin B may refer to:

Vitisin A is a resveratrol tetramer found in plants of the genus Vitis. It is a complex of two resveratrol dimers, (+)-epsilon-viniferin and ampelopsin B.

Vitisin B is a resveratrol tetramer found in plants of the genus Vitis.

Vitisin may refer to several substances extracted from grapevines:

Vitisin C is a hydroxystilbenoid. It is a resveratrol tetramer found in plants of the genus Vitis (grapevines).

Hopeaphenol is a stilbenoid. It is a resveratrol tetramer. It has been first isolated from Dipterocarpaceae like Shorea ovalis. It has also been isolated from wines from North Africa.

Shorea laeviforia is a plant species in the genus Shorea.

Oligostilbenoid class of chemical compound

Oligostilbenoids are oligomeric forms of stilbenoids. Some molecules are large enough to be considered polyphenols and constitute a class of tannins.