期刊文献+

不同成熟度香料烟叶生理生化特征研究 预览 被引量:6

Physiological-biological Characters of Oriental Tobacco at the Different Maturity
在线阅读 免费下载
分享 导出
摘要 随着烟叶的成熟,烟株体内进行着复杂的生理生化变化,使烟叶向品质方向发展,因而成熟度是决定烟叶品质的关键.为此,研究用分光光度法在不同成熟期分别测定与烟叶生理活性、品质及抗逆能力相关的主要生理生化特征,探索其动态与规律.结果表明:随着叶片成熟与衰老进程不断加深,硝酸还原酶、多酚氧化酶、过氧化酶活性和叶绿体色素、脯氨酸含量及比叶重都成下降趋势,而丙二醛含量却上升,根据各相关酶活性的动态及相关物质含量变化规律,可正确把握烟叶的采收成熟度标准和各部位叶片的采收特点,即下部叶宜早采,中、上部叶宜适熟采收. The dynamic of main physiological-biochemical indicators on leaf physiological activity, quality and resistant ability had been studied by using spectrophotometry in diferent ripe period of Xanthi Basma which is the main variety of Oriental tobacco in Baoshan. The results showed that the activity of NR, PPO and POD, content of CHL and PRO decreased as well as the specific gravity, while the content of MDA increased with the ripeness of leaf. According to dynamic of the enzyme activity and the content of CHL, PRO and MAD, the standard and characters on leaves' ripeness had been suggested that the leaves in lower position of stalk should be havested earlier, while the leaves in middle and upper position harvested when they are in the time of ripe.
作者 屈生彬 兰应海 杨世波 李光西 殷端 张晨东 刘敬业 杨志新 QU Sheng-bin~1, LAN Ying-hai~1, YANG Shi-bo~1, LI Guang-xi~1, YIN Duan~2, ZHANG Cheng-dong~2, LIU Jing-ye~3, YANG Zhi-xing~4 ( 1. Institute of Tobacco Science, Baoshan Oriental Tobacco Compay, Baoshan 678000, China; 2. Institute of Tobacco Science of Yunnan Province, Yuxi 653100, China; 3. Department of Biology, Kunming Teachers College, Kunming 650201, China; 4. College of Tobacco Science, Y A U, Kunming 650201, China )
出处 《云南农业大学学报》 CAS CSCD 2004年第4期 405-408,共4页 Journal of Yunnan Agricultural University
基金 中国烟草总公司资助项目
关键词 香料烟 成熟度 酶活性 生理生化 Oriental tobacco maturity enzyme activity physiology and biochemistry
  • 相关文献

参考文献15

二级参考文献3

共引文献127

同被引文献135

引证文献6

二级引证文献24

投稿分析

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部 意见反馈