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Effects of Low-temperature on Biophysiological and Biochemical Indicators of Yam
Author(s): 
Pages: 57-60
Year: Issue:  2
Journal: JOURNAL OF GANSU SCIENCES

Keyword:  薯蓣储藏期多酚氧化酶褐变度;
Abstract: 研究了低温对薯蓣储藏期间含水量、褐变度、总酚含量、多酚氧化酶(PPO)、过氧化物酶(POD)、超氧化物歧化酶(SOD)和丙二醛(MDA)等生理生化指标的影响.结果表明:室温储藏下的薯蓣褐变度和PPO活性均呈上升趋势;PPO活性与褐变度呈正相关(r=0.891).和室温储藏相比,冷藏下的薯蓣褐变度、PPO活性和MDA含量较低,而SOD活性较高,说明低温有利于薯蓣的储藏.
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