Journal
FOOD CHEMISTRY
Volume 206, Issue -, Pages 18-29Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.03.021
Keywords
Antioxidant enzymes; Lipid peroxidation; Peroxidase; Polyphenol oxidase; Skin discoloration
Funding
- Higher Education Commission, Pakistan [2077]
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'Gola' litchi fruits were stored under ten different CA-combinations at 5 +/- 1 degrees C to investigate its effects on pericarp browning, biochemical quality and antioxidative activities. Control fruit turned completely brown after 28 days of storage and were excluded from the study. Fruit-stored under CA7-combination (1% O-2 + 5% CO2) showed reduced weight loss, pericarp browning, membrane leakage and malondialdehyde contents. Soluble solid contents, titratable acidity and ascorbic acid contents were higher in CA7-stored fruit. Activities of catalase and superoxide dismutase enzymes, levels of total anthocyanins, DPPH radical-scavenging-activity and phenolic contents were significantly higher in CA7-stored litchi fruit. In contrast, activities of polyphenol oxidase and peroxidase enzymes were substantially lower in fruit kept under CA7-combination. Fruit subjected to CA7-conditions also maintained higher organoleptic quality. In conclusion, 1% O-2 + 5% CO2 CA-conditions delayed pericarp browning, maintained antioxidative activities and biochemical characteristics along with better organoleptic quality of litchi fruit for 35 days. (C) 2016 Elsevier Ltd. All rights reserved.
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