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.
Stilbenoids are hydroxylated derivatives of stilbene and have a C6–C2–C6 structure. They belong to the family of phenylpropanoids and share most of their biosynthesis pathway with chalcones. Under UV irradiation, stilbene and its derivatives undergo intramolecular cyclization, called Stilbene photocyclization to form dihydrophenanthrenes. Oligomeric forms are known as oligostilbenoids.
- Piceatannolin the roots of Norway spruces
- Pinosylvin is a fungal toxin protecting wood from fungal infection, found in trees of the pine family
- Pterostilbene in almonds, pine and vaccinium berries
- Resveratrol in grapes
Stilbenoids are produced in various plants, for example they are secondary products of heartwood formation in trees that can act as phytoalexins. Another example is resveratrol, an antifungal which is found in grapes and which has been suggested to have health benefits. Ampelopsin A and Ampelopsin B are resveratrol dimers produced in porcelain berry.
Phytoalexins have been suggested by some studies to be responsible for resistance to some tree diseases, such as pine wilt.
- Combretastatins, many are stilbenoids
- Dihydrostilbenoids, no double bond on the bridge
- List of antioxidants in food
- List of phytochemicals in food
- Secondary metabolites
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