参与甜菜根组织中蔗糖采后降解的酶。
Enzymes Involved in the Postharvest Degradation of Sucrose in Beta vulgaris L. Root Tissue.
机构信息
United States Department of Agriculture, Agricultural Research Service, Crops Research Laboratory, Utah State University, Logan, Utah 84322.
出版信息
Plant Physiol. 1974 Mar;53(3):507-8. doi: 10.1104/pp.53.3.507.
Abstract
The reducing sugar content of sugar beet (Beta vulgaris L.) roots increased during 30 days of storage at 21 C and 160 days at 5 C as a result of an increase in acid invertase activity. Sucrose synthetase and neutral invertase activities were high at harvest but declined during storage, thus showing no relationship with postharvest reducing sugar accumulation in sugar beet roots. Acid alpha-glucosidase activity was detected in fresh roots but showed no activity with sucrose as a substrate.
摘要
在 21°C 下储存 30 天和在 5°C 下储存 160 天期间，由于酸性转化酶活性的增加，糖甜菜（Beta vulgaris L.）根中的还原糖含量增加。蔗糖合酶和中性转化酶活性在收获时较高，但在储存过程中下降，因此与糖甜菜根中收获后还原糖的积累没有关系。在新鲜的根中检测到酸性α-葡萄糖苷酶活性，但它不以蔗糖作为底物表现出活性。
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