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| 光照强度昼变化对烟叶蔗糖转化酶和蛋白酶活性的影响 | |
| 引用本文： | 王丹,杨虹琦,周冀衡,柳立,彭艳.光照强度昼变化对烟叶蔗糖转化酶和蛋白酶活性的影响[J].湖南农业大学学报(自然科学版),2007,33(3):294-297. |
| 作者姓名： | 王丹 杨虹琦 周冀衡 柳立 彭艳 |
| 作者单位： | 1. 湖南农业大学,生物科学技术学院,湖南,长沙,410128 2. 湖南农业大学,生物科学技术学院,湖南,长沙,410128;湖南农业大学,烟草工程技术研究中心,湖南,长沙,410128 3. 湖南农业大学,烟草工程技术研究中心,湖南,长沙,410128 |
| 基金项目： | 国家烟草专卖局资助项目 |
| 摘 要： | 为探索光照强度昼变化对植物叶片水解酶活性的影响,以烟草叶片为材料,对蔗糖转化酶和可溶性糖含量,蛋白酶活性和蛋白质、游离氨基酸含量与光照强度昼变化之间的关系进行研究.结果表明,光照强度的昼变化对蔗糖转化酶和蛋白酶活性有较大影响,随光照强度增强,蔗糖转化酶活性在11:00达到最高点3.933 mg/(g.h),之后开始逐步下降;蛋白酶活性在午后大幅度上升,17:00达到最大值125.33 mg/(g.h),之后迅速下降.对烟叶蔗糖转化酶和蛋白酶活性进行分析时,前者应在11:00左右取样测定;后者应在15:00之后取样测定. |
| 关 键 词： | 光照强度 昼变化 烟叶 蔗糖转化酶 蛋白酶 |
| 文章编号： | 1007-1032（2007）03-0294-04 |
| 修稿时间： | 2006-11-20 |
Effect of the daytime change of sunlight intensity on invertase and proteinase in tobacco leaves |
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| WANG Dan,YANG Hong-qi,ZHOU Ji-heng,LIU Li,PENG Yan.Effect of the daytime change of sunlight intensity on invertase and proteinase in tobacco leaves[J].Journal of Hunan Agricultural University,2007,33(3):294-297. | |
| Authors: | WANG Dan YANG Hong-qi ZHOU Ji-heng LIU Li PENG Yan |
| Institution: | a.College of Bioscience and Technology; b.Research Center of Tobcco Engineering and Technology, HNAU, Changsha 410128, China |
| Abstract: | In order to explore efffect of the daytime change of sunlight intensity on hydrolase activity,invertase,proteinase and some compounds in tobacco leaves.The results show that the daytime change of sunlight intensity effects on invertase and proteinase greatly.The invertase activity is up to 3.933 mg/(g.h) which increases with sunlight intensity enhancing in the morning,but decreases stage by stage in the afternoon.The proteinase activity increases in evidence until afternoon and decreases quickly after reaching the greatest level 125.33 mg/(g.h) at 17:00.When activity of invertase and proteinase are analysed,it is better to take samples at 11:00 for invertase,but at 15:00 for proteinase. |
| Keywords: | sunlight intensity daytime change tobacco leave invertase proteinase |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |