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OALib Journal期刊
ISSN: 2333-9721
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甘薯块根储藏过程中的淀粉含量变化
DOI: 10.3724/SP.J.1145.2010.00741, PP. 741-744
Keywords: 甘薯,储藏,淀粉含量,徐薯18,淀粉酶
Abstract:
为比较不同甘薯品种的块根在储藏过程中淀粉含量的变化趋势，对四川地区栽培的4个甘薯品种（系）在不同储藏期的鲜薯淀粉含量、还原糖含量以及淀粉酶活性进行测定.结果表明：川薯34、南薯88和力源1号在储藏过程中淀粉含量变化较大，1个月时的淀粉含量下降量超过10%，3个月时可下降30%以上；徐薯18的淀粉含量在前期下降很慢，在2个月内淀粉含量下降仅5%，整个储藏期（97d）结束时下降量也明显低于其他3个品种.徐薯18的淀粉酶含量和酶活性在整个储存期的变化不明显，而还原糖含量在储藏期的第2个月内最高.因此，与其他3个甘薯品种（系）相较，目前广泛栽培的甘薯品种――徐薯18表现出很好的淀粉耐储藏性.图6参18
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