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Enzyme-coupled assay of acetylxylan esterases on monoacetylated 4-nitrophenyl beta-D-xylopyranoside
Three different monoacetates of 4-nitrophenyl beta-D-xylopyranoside were tested as substrates for beta -xylosidase and for microbial carbohydrate esterases and a series of non-hemicellulolytic esterases. The acetyl group ...
A Chromogenic substrate for a β-xylosidase-coupled assay of α-glucuronidase
-Nitrophenyl 2-(4-O-methyl-α- -glucopyranuronosyl)-β- -xylopyranoside obtained on deesterification of 4-nitrophenyl 2-O-(methyl 4-O-methyl-α- -glucopyranosyluronate)-β- -xylopyranoside (Hirsch et al., Carbohydr. Res. 310, ...