| 季铵化壳聚糖对冬枣的保鲜作用 |
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| 引用本文： | 张吉平,王娟,郑学勤.季铵化壳聚糖对冬枣的保鲜作用[J].果树学报,2007,24(2):244-247. |
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| 作者姓名： | 张吉平 王娟 郑学勤 |
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| 作者单位： | 1. 青岛大学医学院药学系,山东青岛,266023
2. 青岛市农科院,山东青岛,266100 |
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| 基金项目： | 山东省青岛市科技发展基金
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科技部农业科技成果转化基金 |
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| 摘 要： | 为研究季铵化壳聚糖(HPTAC-CTS)对冬枣的保鲜效果,于-1℃～-2℃冷藏温度下,采用2%季铵化壳聚糖对冬枣进行涂膜保鲜处理,可保鲜贮藏冬枣80d。贮藏后果实不变形,果皮硬度高,果肉仍然很脆;腐烂率低于4%,好果率超过96%;失重率低于<5%,外观、口感可达贮藏前的水准;含糖量、含酸量、维生素C含量基本不变,保持原有风味和营养。
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| 关 键 词： | 冬枣 季铵化壳聚糖 保鲜 |
| 文章编号： | 1009-9980（2007）02-244-04 |
| 修稿时间： | 2006-08-10 |
Study on the effect of coating the fruit of Dongzao jujube cultivar with chitosan quaternary ammonium on its storage quality |
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| ZHANG Ji-ping,WANG Juan,ZHENG Xue-qin.Study on the effect of coating the fruit of Dongzao jujube cultivar with chitosan quaternary ammonium on its storage quality[J].Journal of Fruit Science,2007,24(2):244-247. |
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| Authors: | ZHANG Ji-ping WANG Juan ZHENG Xue-qin |
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| Institution: | 1.Department of Pharmacy,Medical College, Qingdao University, Qingdao , Shangdong 266021 China; 2.Qingdao Academy of A griculture Sciences, Qingdao, Shangdong 266100 China |
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| Abstract: | The fruits of Dongzao jujube cultivar were coated with 2% 2-hydroxypropyl-N-trinethyl ammonium chloride chitosan(HPTAC-CTS)and stored at temperature of-1 to-2 ℃ for 80 days,then the effect of HPTAC-CTS on its fresh keeping quality was studied.Results showed that the effect was good.The rotten fruit rate was lower than 4% and the fine fruit rate was over 96%.The fruit appearance and fruit juice could be nearly kept as the level before,because the weight loss was lower than 5%.The sugar content,acid content and Vc content had little change and maintained its original taste and nourishment. |
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| Keywords: | Dongzao 2-hydroxypropyl-N-trimethyl ammonium chloride chitosan (HPTAC-CTS) Freshness keeping |
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