期刊
SCIENTIA HORTICULTURAE
卷 275, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scienta.2020.109671
关键词
Antioxidant; Epicatechin; Flavonoids; Phenolics; Respiration rate; Weight loss
类别
资金
- Scientific Research Unit of Ordu University [BY-1729]
The study determined that 1-methylcyclopropene (1-MCP) treatment can delay fruit quality loss, improve fruit firmness, maintain phenolic compounds, and enhance antioxidant activity in jujube fruit during cold storage.
The aim of this research was to determine the effects of 1-methylcyclopropene (1-MCP, 312.5, 625 and 1000 nl L-1) on fruit quality and bioactive compounds of jujube (Zizyphus jujuba Mill. cv. `Li') fruit during the cold storage [at 0 +/- 0.5 degrees C and 90 +/- 5% relative humidity (RH) for 60 days (d)]. Throughout the cold storage, decrease in weight and firmness losses and respiration rates were significantly delayed with 1-MCP treatments. At the end of the cold storage, firmness, L* and hue angle value of jujube fruit treated with 1000 nl L(-1)1-MCP were higher than the control and the other 1-MCP treatments. During the cold storage, titratable acidity, vitamin C, total phenolics, antioxidant activity (both DPPH and FRAP assay) and phenolic compounds of jujube fruit treated with 1-MCP were higher than the control fruit. At the end of the cold storage, 4-aminobenzoic acid, 4-hydroxybenzoic acid, caffeic acid, ferulic acid, protocatechuic acid, p-coumaric acid and rutin contents of jujube fruit were better maintained with 1-MCP treatments. It was concluded based on present findings that 1-MCP could be used as an effective strategy for delaying postharvest quality losses and maintaining phytochemical compounds in jujube fruit throughout the cold storage.
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