Effect of abscisic acid (ABA) and chitosan/nano-silica/sodium alginate composite film on the color development and quality of postharvest Chinese winter jujube (Zizyphus jujuba Mill. cv. Dongzao)

被引：120
|
作者：
Kou, Xiaohong [1 ]
He, Yulong [1 ]
Li, Yunfei [1 ]
Chen, Xiuyu [1 ]
Feng, Yanchun [1 ]
Xue, Zhaohui [1 ]
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
来源：
FOOD CHEMISTRY | 2019年 / 270卷
基金：
中国国家自然科学基金;
关键词：
Winter jujube; ABA; Composite film; Color development; Anthocyanidin genes; STRAWBERRY FRUIT; AMBIENT-TEMPERATURE; ANTIOXIDANT CAPACITY; EDIBLE COATINGS; SEEDLESS GRAPES; GENE-EXPRESSION; ANTHOCYANIN; BIOSYNTHESIS; ACCUMULATION; PRESERVATION;
D O I：
10.1016/j.foodchem.2018.06.151
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The color change of the jujube fruit after harvest is used as a quality indicator. The effects of abscisic acid (ABA) and a chitosan/nano-silica/ sodium alginate composite film on the color development and qualitative properties of harvested jujube in cold storage were investigated. The results indicate that a composite film could prolong the shelf life of post-harvested winter jujube for approximately 1 month, while the ABA treatment induced ripening and reduced the quality. A significant positive correlation between the a*/b* values, water loss and the malondialdehyde (MDA) content was found for fruits in cold storage. In comparison with the control and ABA-treated fruit, superoxide dismutase (SOD), polyphenol oxidase (PPO) and peroxidase (POD) activities were lower than those in a composite film-treated fruit. In addition, the dihydroflavonol-4-reductase (DFR) is the primary gene that regulates the expression of anthocyanin.
引用
收藏
页码：385 / 394
页数：10
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