柑桔主要组织SOD分布及其在生长中晚期活性变化

食品科学 ›› 2012, Vol. 33 ›› Issue (21): 47-52.

柑桔主要组织SOD分布及其在生长中晚期活性变化

孙志高1,2，张萌萌1,3，蒋国玲1,3，马亚琴1,3，郭莉1,2，李勤4

1.中国农业科学院柑桔研究所 2.南方山地园艺学教育部重点实验室 3.西南大学食品科学学院 4.四川工商职业技术学院

收稿日期:2012-06-25 修回日期:2012-10-29 出版日期:2012-11-15 发布日期:2012-11-09
通讯作者: 孙志高 E-mail:cpro@163.com

Activity Distribution and Change of Superoxide Dismutase in Major Tissues of Citrus during the Middle and Late Growth Stages

Received:2012-06-25 Revised:2012-10-29 Online:2012-11-15 Published:2012-11-09

摘要/Abstract

摘要： 以16个柑橘品种为材料，通过测定叶片、果皮、果肉和种子4种组织中超氧化物歧化酶(SOD)的活性大小，研究柑橘SOD的分布情况，以及在柑橘生长过程中SOD活性的变化趋势。结果表明：柑橘果皮、果肉、种子和叶片4种组织中均存在SOD，其活性大小依次为：叶片＞种子＞果皮＞果肉；柑橘各个组织之间SOD活性呈显著性差异，个别品种的相同组织之间SOD的活性也呈显著差异。在柑橘生长中后期，随着果实的逐渐成熟其果皮和果肉组织中SOD的活性变化呈现多样化趋势，但活性变化幅度较小；在种子和叶片组织中SOD的活性变化呈持续上升趋势。

关键词: 柑橘, SOD, 活性, 分布

Abstract: SOD activities in peel, pulp, seed and leaf tissues from 16 citrus varieties were measured. The distribution of SOD activity in citrus tissues and the change of SOD activity during citrus growth period were analyzed. The results showed that SOD activity was detected in all the four citrus tissues with significant differences among them and decreased in the following order: leaf ＞ seed ＞ peel ＞ pulp. Significant differences in SOD activity were observed for the same tissue among some of the citrus varieties studied. During the middle and late growth stages, SOD activity showed diverse changing trends within a narrow range with increasing degree of maturity; SOD activity in seed and leaf tissues revealed an increasing trend.

Key words: citrus, superoxide dismutase, activity, distribution

中图分类号:

孙志高1,2，张萌萌1,3，蒋国玲1,3，马亚琴1,3，郭?莉1,2，李?勤4. 柑桔主要组织SOD分布及其在生长中晚期活性变化[J]. 食品科学, 2012, 33(21): 47-52.

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