Elution profile of α-l-arabinopyranosidase and α-l-arabinofuranosidase activities from butyl Toyopearl column. Diamonds, α-l-arabinopyranosidase activity; circles, α-l-arabinopyranosidase activity; unmarked line, absorbance at 280 nm. AS, ammonium sulfate. The enzyme activities were indicated as absorbance at 405 nm. Fr-a and Fr-b, fractions a and b, respectively.