Enzymology of gallotannin and ellagitannin biosynthesis
โ Scribed by Ruth Niemetz; Georg G. Gross
- Book ID
- 108242367
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 340 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0031-9422
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Cell-free extracts from leaves of Rhus typhina L. (sumach) were found to transfer the 1-O-galloyl moiety of 1,6-di-O-galloyl-fl-o-glucose to the 2-position of the same compound, yielding 1,2,6-tri-O-galloyl-fl-Dglucose and leaving 6-O-galloylglucose as the deacylated by-product. The enzyme catalyzin
The Cotton effects around 235, 265 and 285 nm in the CD spectra of twenty hydrolysable tannins and related compounds were emplncally correlated with the stereostructures of ellagl-