'Flavan 3' diaporamas de présentation

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Wood Chemistry PSE 406

Wood Chemistry PSE 406. Lecture 15 Stilbenes, Flavonoids, Condensed and Hydrolysable Tannins, other Miscellaneous Extractives and Inorganic Compounds. Stilbenes. Phenolic extractive found in the heartwood of softwoods Particularly prevalent in Pinus

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Flavonoids. Largest class of the phenolic substances* Plant pigments (yellow and red) Glycosides are naturally (mostly O - glyc but some C - gly ) Differ in: Oxidation stage of the heterocyclic ring Differ in: Substituents (mostly OH or OCH 3 )

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