Oligosaccharides and associated glycosidases in aspen tissues

{H. V. Street, unpublished work). This is not in agreement with the work of McGeachin et al. (1957). These workers used the method of Van Loon et al. (1952), which is similar to the method of Street & Close (1956), the main difference being that starch is used as substrate instead of amylose as in the present method.