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| Effects of 1-MCP treatment combined with plastic bag packaging on postharvest storage quality of green walnut fruit |
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| DOI： |
| KeyWord:green walnut fruit 1-methylcyclopro pene plastic bag packaging storage quality |
| FundProject:国家重点研发计划（2018YFD0401304）；陕西省农业科技创新驱动项目（NYKJ-2018-XA-06）；榆林市科技计划项目（2018-2-37、38） |
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| Abstract: |
| The effects of 1-methylcyclopropene(1-MCP) treatment combined with plastic bag packaging on postharvest storage quality of green walnut fruit were investigated. The green walnut fruit was stored at (1±0.5)℃ and 85%-90% relative humidity with four treatments: 1-MCP combined with plastic bag vacuum, 1-MCP combined with plastic bag replacing preservative, 1-MCP combined with plastic bag and no packaging. The moisture, oil, protein and malondialdehyde contents and lipoxygenase activity of kernel, and acid value and peroxide value of the oil and pericarp browning index of walnut were measured during storage,then the good fruit rate and sensory evaluation after storage for 100 d were conducted. The results showed that 1-MCP treatment combined with plastic bag packaging could inhibit the decrease of moisture, oil and protein contents of the kernel, decrease the acid value, peroxide value, the lipoxygenase activity, malondialdehyde content and pericarp browning index, and improve the good fruit rate and sensory quality of stored green walnut. Considering good fruit rate and sensory score after storage, the quality of the fruit treated by 1-MCP combined with plastic bag replacing preservative was the best. |
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