Enzymatic activities of starch synthesis in potato tubers of different sizes [phosphorylase, sucrose synthetase, UDPG pyrophosphorylase, ADPG pyrophosphorylase, starch synthetase]
1980
Tsay, J.S. | Kuo, C.G. (Asian Vegetable Research and Development Center, Shanhua, Taiwan (China))
The objective of this study was to determine the relationship between tuber weight and enzymatic activities involved in tuber starch synthesis. As tuber weight increased, the activities of sucrose synthetase, UDPG pyrophosphorylase, and granular starch synthetase escalated, whereas the activities of soluble starch synthetase and ADPG pyrophosphorylase stayed constant and that of phosphorylase declined. This suggests that when samples are taken to determine specific enzymatic activities, the sampling procedure should ensure that results do not vary because of differences in the tuber weight or size distribution
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