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Glyoxal as Single Crosslinker for Mechanically Blown, Condensed and Hydrolyzable Tannin Foams. [PDF]

open access: yesPolymers (Basel)
Eckardt J   +6 more
europepmc   +1 more source
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Synthesis of gallotannins

Carbohydrate Research, 2001
As a contribution to the synthesis of gallotannins, four O-galloyl-D-glucoses (3-O-, 6-O-, 3,6-di-O-, 3,4,6-tri-O-galloyl-D-glucose) have been prepared by the reaction of tri-O-benzylgalloyl chloride and partially protected glucose derivatives (1,2-O-, and 1,2:5,6-di-O-isopropylidene-alpha-D-glucofuranose), followed successively by catalytic ...
Q, He, B, Shi, K, Yao, Y, Luo, Z, Ma
openaire   +3 more sources

Determination of gallotannin with rhodanine

Analytical Biochemistry, 1988
A reliable method for quantitative analysis of gallotannin in plants has been devised. Gallotannin is hydrolyzed with acid, and gallic acid in the hydrolysate is then assayed using rhodanine. This method is very specific; no interferences from other plant phenolics, including ellagic acid and condensed tannin, have been observed.
K H, Inoue, A E, Hagerman
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Biodegradation of gallotannins and ellagitannins

Journal of Basic Microbiology, 2006
AbstractNowadays, many researches have been made on gallotannin biodegradation and have gained great success in further utilization. Some of industrial applications of these findings are in the production of tannase, the biotransformation of tannic acid to gallic acid or pyrogallol and detannification of food and fodder. Although ellagitannins have the
Mingshu, Li   +3 more
openaire   +2 more sources

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