... 2 h and 20 h to determine the substratespecificity of the enzyme. The degradation of the polymer and subsequent oligosaccharide formation was analyzed byHPAEC and MALDI-TOF MS. HPAEC analysis ... Maldi-TOF MS analysis of the hydrolysis of arabinogalactans by GALA. Three different arabinogalactans were used: potato (A), onion (B), and soy (C). Spectra were taken after 15 min (1) and 2 h (2) of ... Genetics, Biochemistry and Ecology of Cellulose Degradation. (Ohmiya, K., Sakka, K., Karita,S., Hayashi, H., Kobayashi, Y. & Kimura, T., eds), pp. 134–143.Uni Publishers Co Ltd, Tokyo.38. Schopplein,...