期刊
FOOD CHEMISTRY
卷 393, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.133381
关键词
Anthocyanin accumulation; Blood oranges (Citrus sinensis L. Osbeck); Postharvest storage; Ethephon; Low temperatures
资金
- National Natural Science Foundation of China [32172334]
- Fundamental Research Funds for the Central Universities [226-2022-00045]
Health-promoting anthocyanins in blood oranges can be enriched through appropriate postharvest storage conditions. The combination treatment of ethylene and low temperature significantly enhances the levels of total anthocyanins, while ethylene could alleviate the loss of activity volatiles during cold storage.
Health-promoting anthocyanins in blood oranges can be enriched via appropriate postharvest storage conditions. Here, we explored the changes of anthocyanin accumulation and volatile profiles of Tarocco blood oranges (Citrus sinensis L. Osbeck) treated by the low temperature alone and combined with ethephon (2 mg/mL) during 50 days of storage. The combination treatment of ethephon and low temperature (8 ?) significantly enhanced the levels of total anthocyanins (10.91 +/- 0.25 mg/100 g) and individual cyanidin derivatives relative to low-temperature treatment alone. The increases of six cyanidin derivatives and three delphinidin derivatives identified by LC-MS/Q-TOF were consistent with the variation in total anthocyanins. Ethyl butanoate, ethyl 2-methylbutyrate, ethyl hexanoate, ethyl undecanoate, linalool, and D-limonene were identified as main contributors to overall aroma of fresh blood oranges. Volatile compositions and concentrations were decreased under different treatments of ethephon and temperatures, while ethephon could alleviate the loss of activity volatiles during cold storage.
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