- Stilbenoid
Stilbenoids are secondary products of
heartwood formation in trees that can act asphytoalexins . Chemically they arehydroxylated derivatives ofstilbene . Biochemically they belong to the family ofphenylpropanoids and share most of theirbiosynthesis pathway withchalcone s. [cite journal
author = V. S. Sobolev, B. W. Horn, T. L. Potter, S. T. Deyrup, J. B. Gloer
title = Production of Stilbenoids and Phenolic Acids by the Peanut Plant at Early Stages of Growth
journal = J. Agric. Food Chem.
year = 2006
volume = 54
issue = 10
pages = 3505–3511
doi = 10.1021/jf0602673 S0021-8561(06)00267-6 ]An example of stilbenoids is
reservatrol which is found ingrape s and which has been suggested to have many health benefits. [cite journal
author = Jang MS, Cai EN, Udeani GO
title = Cancer chemopreventive activity of resveratrol, a natural product derived from grapes
journal = Science
year = 1997
volume = 275
issue = 5297
pages = 218–220
url =
doi = 10.1126/science.275.5297.218 ]Phytoalexin properties
They have been suggested by some studies to be responsible for resistance to some tree diseases, such as pine wilt.
ee also
*
Pinosylvin
*Resveratrol
*Pterostilbene
*Piceatannol References
1. Hillis WE (1987) Heartwood and tree exudates. Springer, Berlin Heidelberg New York.2. Yamada T, Ito S (1993) Chemical defense responses of wilt-resistant pine species, Pinus strobus and P. taeda, against Bursaphelenchus xylophilus infection. Ann Phytopathol Soc Jpn 59:666–672.
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