期刊
SCIENTIA HORTICULTURAE
卷 293, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scienta.2021.110708
关键词
Apple; Aspergillus niger; Aerosolized antimicrobials; Fruit quality
类别
资金
- Open Project Program of State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science Technology [SKLFNS-KF-202112]
- Science and Technology Helps Economy 2020 special Project of China [SQ2020YFF0400253]
- Science and Technology Research Project of Xinjiang Production and Construction Corps-the Integration and demonstration of Key Technologies of Green Preservation of Fruits and Vegetables [2020AB008]
- Tianjin Science and Technology planning project [21ZYCGSN00060]
- Innovation Research and Experiment Project of Young Researchers in Tianjin Academy of Agricultural Sciences [2021016]
This study investigated the inhibition of in-package aerosolized aqueous antimicrobials on postharvest black mold caused by Aspergillus niger on apple fruit. Results showed that treatments with ClO2 and epsilon-PL effectively reduced the severity of black mold and inhibited mycelial growth of A. niger, ultimately improving disease resistance and maintaining fruit quality during storage.
The present study aimed to investigate the inhibition of in-package aerosolized aqueous antimicrobials against postharvest black mold caused by Aspergillus niger (A. niger) on apple fruit and in maintaining fruit quality. Apple fruit is susceptible to A. niger infection during storage, resulting in a significant decline in its quality. In this paper, the ability of chlorine dioxide (ClO2), Epsilon-polylysine (epsilon-PL), hydrogen peroxide (H2O2) and ozone (O-3) to prevent and control Aspergillus infection in postharvest apples was evaluated. Results indicated that the treatments of 400 mg L-1 ClO2, 500 mg L-1 and 1000 mg L-1 epsilon-PL could effectively alleviate the severity of postharvest black mold (A. niger) of apples and inhibit mycelial growth of A. niger. In addition, 0.5 mg L-1 O-3 and 5% H2O2 also inhibited the mycelial growth of A. niger in treated apples. Further studies indicated that aerosolized ClO2 and c-PL increased corresponding defense-related enzyme activity and produced higher phenolic levels to improve disease-resistant of apples. Moreover, aerosolized ClO2, epsilon-PL, H2O2 and O-3 could be effective for maintaining quality of apple fruit during 24 days of storage at 20 degrees C. The present study gives a first insight into the A. niger control effect of in-package aerosolization technology associated with antimicrobials, which may be a potential method for the inhibition of A. niger on apple fruit.
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