Effect of nano-packing on preservation quality of Chinese jujube (Ziziphus jujuba Mill. var. inermis (Bunge) Rehd)

被引：184
|
作者：
Li, Hongmei [1 ]
Li, Feng [1 ]
Wang, Lin [1 ]
Sheng, Jianchun [1 ]
Xin, Zhihong [1 ]
Zhao, Liyan [1 ]
Xiao, Hongmei [1 ]
Zheng, Yonghua [1 ]
Hu, Qiuhui [1 ]
机构：
[1] Nanjing Agr Univ, Key Lab Food Proc & Qual Control, Coll Food Sci & Technol, Nanjing 210095, Jiangsu, Peoples R China
来源：
FOOD CHEMISTRY | 2009年 / 114卷 / 02期
基金：
国家高技术研究发展计划(863计划);
关键词：
Chinese jujube (Ziziphus jujuba Mill. var. inermis (Bunge) Rehd); Nano-packing; Preservation; 5; CULTIVARS; STORAGE; 1-METHYLCYCLOPROPENE; COMPOSITES; LIFE; L;
D O I：
10.1016/j.foodchem.2008.09.085
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The effect of a novel nano-packing material on preservation quality of Chinese jujube (Ziziphus jujuba Mill. var. inermis (Bunge) Rehd) during room temperature storage was investigated. The nano-packing material with lower relative humidity, oxygen transmission rate and high longitudinal strength (2.05 g/m(2) 24 h, 12.56 cm(3)/m(2) 24 h 0.1 MPa and 40.16 MPa, respectively) was synthesized by blending polyethylene with nano-powder (nano-Ag, kaolin, anatase TiO2, rutile TiO2). The results showed that the nano-packing material had a quite beneficial effect on physicochemical and sensory quality compared with normal packing material. After 12-day storage, fruit softening, weight loss, browning and climatic evolution of nano-packing were significantly inhibited. Meanwhile, the contents of titrable acid and ascorbic acid were decreased to 0.21%, 251 mg/100 g, for nano-packing and 0.15%, 198 mg/100 g, for normal packing; The contents of total soluble sugar, reducing sugar, total soluble solids and malondialdehyde were increased to 28.4%, 5.2%, 19.5% and 98.9 mu mol/g for nano-packing and 30.0%, 6.3%, 23.1% and 149 mu mol/g for normal packing. Therefore, the nano-packing could be applied for preservation of Chinese jujube to expand its shelf life and improve preservation quality. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：547 / 552
页数：6
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