期刊
FOOD CHEMISTRY
卷 368, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.130757
关键词
Salicylic acid; Cuticular wax; Blueberry; Storage quality; Wax morphology
资金
- National Key Research and Development Program of China [2018YFD0401304]
- National Natural Science Foundation of China [31772042]
- Leading Science and Technology Innovation Talent Project of Zhejiang Province's Ten-Thousand-Talent Plan [2018R52020]
Salicylic acid can delay the deterioration of blueberry fruit quality, enhance its resistance to disease, and affect the composition of cuticular wax. There was no significant difference in the structure of epicuticular wax between salicylic acid-treated fruits and the control group.
The cuticular wax layer in fruit is a hydrophobic barrier which protects fruit from biotic and abiotic stress. The cuticular wax also affect fruit quality. This paper investigated the effects of salicylic acid on fruit quality and the cuticular wax in blueberry fruit during storage at room temperature (25 degrees C). 'Powderblue' blueberries (Vaccinium virgatum Ait) were treated with 1.0 mmol L-1 salicylic acid. The composition of cuticular wax layer and structure of epicuticular wax layer were analyzed at 4 d intervals during storage. Salicylic acid could efficiently delay the reduction of total wax content and affected the proportions of its constituents, including triterpenoids, esters, sterols, fatty acids, alcohols and alkanes. Our results also showed that there was no significant difference on the structure of epicuticular wax in salicylic acid treated fruits compared with that of the control. Salicylic acid delayed deterioration of blueberry fruit and enhanced its resistance to disease during storage.
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