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J Integr Plant Biol, 1994, 36 (Suppl.): -, Research Article
Effects of Trehalose on Mg2+, K+-ATPase Activities and TTC Reduction in Frozen and Freeze-Dried Seedlings of Mung Bean
Pei Yan, Deng Ru-fu, Wang Yu-ning and Xia Yu-xian
doi:
Abstract
Mung Bean (Phaseolus aureus) seedlings treated with trehalose were frozen and freezedried. Mg2+, K+-ATPase activities from the purified protoplasmic membranes and the tetrazolium (TTC) reduction from the freeze-dried seedlings were investigated, The freeze-dried seedlings treated with trehalose showed higher enzyme activities than those of the control. As the concentration of trehalose increased, Mg2+, K+-ATPase activities and the TTC reduction were increased too. At 30 ℃, the Mg2+, K+-ATPase activities in frozen seedlings were about twice higher than those of the control. The results indicated that trehalose is a good protectant for the frozen or freeze-dried plant materials.
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