Fortschritte der Chemie organischer Naturstoffe formatIsbn:Hardcover - 9783211832646 Proceedings of the Fourth International

Proceedings of the Fourth International Symposium on Athalassic (inland) Saline Lakes

Zeolithe als Ionentauscher oder zum Cracken von Erdöl

gefolgt von den notwendigen

is aca demic and nonpartisan but otherwise very heterogeneous

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Fortschritte der Chemie organischer Naturstoffe formatIsbn:Hardcover - 9783211832646 Proceedings of the Fourth InternationalThe condensed tannins (syn. polymeric proanthocyanidins) represent a major group of phenolic compounds in woody and some herbaceous plants (1 3). Their exceptional concentrations in the barks and heartwoods of a variety of tree species have resulted in their commercial extraction with the initial objective of applying the extracts in leather manufacture (4). Essentially all of their biological significance, e. g. the protection of plants from insects,