| 壳聚糖处理对脐橙采后品质及抗病性的影响 |
| |
| 引用本文： | 刘 锋,陈 明,陈金印.壳聚糖处理对脐橙采后品质及抗病性的影响[J].食品科学,2010,31(20):439-443. |
| |
| 作者姓名： | 刘 锋 陈 明 陈金印 |
| |
| 作者单位： | 江西农业大学农学院 |
| |
| 基金项目： | 江西省自然科学基金项目(0630059)；江西省主要学科学术和技术带头人培养计划项目(050007) |
| |
| 摘 要： | 研究不同质量浓度壳聚糖处理对纽荷尔脐橙采后品质及抗病性的影响。结果表明：在冷藏(8℃)条件下，壳聚糖处理抑制了脐橙果实的呼吸强度、延缓了总糖的上升和可滴定酸的下降并保持了较高的VC 含量，从而保持了较好的果实品质。同时，在贮藏后期壳聚糖处理也提高了脐橙果实超氧化物歧化酶、苯丙氨酸解氨酶、几丁质酶和β-1,3- 葡聚糖酶的活性，增强了果实的抗病性。但不同处理间存在着差异，其中以1.5g/100mL 壳聚糖效果最好，2.0g/100mL 壳聚糖次之，1.0g/100mL 壳聚糖最差。
|
| 关 键 词： | 壳聚糖 纽荷尔脐橙 品质 抗病性 |
| 收稿时间： | 2010-03-02 |
Effect of Chitosan Treatment on Postharvest Quality and Disease Resistance of Navel Orange |
| |
| LIU Feng,CHEN Ming,CHEN Jin-yin.Effect of Chitosan Treatment on Postharvest Quality and Disease Resistance of Navel Orange[J].Food Science,2010,31(20):439-443. |
| |
| Authors: | LIU Feng CHEN Ming CHEN Jin-yin |
| |
| Affiliation: | (College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China) |
| |
| Abstract: | The effects of different concentration chitosan treatments on postharvest quality and disease resistance of Newhall navel orange were studied. The results showed that chitosan treatments inhibited respiration rate, delayed the ascent of total sugar and the descent of titratable acid and resulted in less VC content loss during cold storage (8 ℃), indicating that the quality of chitosan treated fruit is maintained well. Meanwhile, chitosan treatments also maintained the activities of SOD, PAL, chitinase and β-1,3-glucanase of fruits at a higher level during the later storage period and enhances the disease resistance of fruits. Different concentration chitosan treatments had different effects on the postharvest quality and disease resistance of navel orange, and 1.5% chitosan treatment displayed the best effect, followed by 2.0% and 1.0% chitosan treatments. |
| |
| Keywords: | chitosan Newhall navel orange quality disease resistance |
|
| 点击此处可从《食品科学》浏览原始摘要信息 |
|
点击此处可从《食品科学》下载全文 |
|
