Abstract
The Role of Glycolic Acid Oxidase in the Respiration of Leaves
Highlights
If hot water was substituted for hot sodium bisulfite solution in order to kill and extract the leaf disks in such an experiment, recoveries of added glycolate were 65 and 73 per cent, respectively
A maximal level is reached in approximately 2 hours, and, if the leaves are placed in darkness, the glycolic acid concentration returns to its normal lower level within 3 hours
If a leaf is kept in continuous sunlight, there is no diminution of the high level of glycolic acid concentration for at least 5 hours, the longest period that was tried
Summary
If hot water was substituted for hot sodium bisulfite solution in order to kill and extract the leaf disks in such an experiment, recoveries of added glycolate were 65 and 73 per cent, respectively. It was found that when leaves were placed with their bases in 0.01 M sodium bisulfite solution, a large increase in the amount of glycolic acid present was observed, provided that the experiment was carried out in sunlight.
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