Effects of Nanoemulsion Coating and 1-Methylcyclopropene on Quality Maintenance of Loquat Fruits

doi:10.7506/spkx1002-6630-201823038

FOOD SCIENCE ›› 2018, Vol. 39 ›› Issue (23): 257-262.doi: 10.7506/spkx1002-6630-201823038

• Packaging & Storage • Previous Articles Next Articles

Effects of Nanoemulsion Coating and 1-Methylcyclopropene on Quality Maintenance of Loquat Fruits

SUN Zhengxuan1, CHEN Huiyun2,*, YANG Huqing1, SUN Zhidong2, WU Yufen3, LI Mengzhen4

1. School of Agriculture and Food Science, Zhejiang A & F University, Hangzhou 311300, China; 2. Institute of Agricultural Processing Research, Ningbo Academy of Agricultural Sciences, Ningbo 315040, China; 3. Forestry Technology Extension Station of Ninghai City, Ningbo 315600, China; 4. College of Biology and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China

Online:2018-12-15 Published:2018-12-17

Abstract

Abstract: In this study, the effects of nanoemulsion coating (NC)-1, 1-methylcyclopropene (1-MCP) and NC-1 + 1-MCP treatments on the quality and physiological metabolism of white-fleshed loquat fruits during 30 days of storage at 4 ℃. Fruits treated with distilled water were used as control. The results showed NC-1 + 1-MCP had the best effect on preserving the quality of loquat fruits. At the end of storage, hardness, decay incidence and mass loss percentage but not VC content were significantly lower in the NC-1 + 1-MCP treatment group than in the other groups. NC-1 + 1-MCP treatment significantly inhibited the activity of phenylalanine ammonia-lyase (PAL) and consequently inhibiting the accumulation of lignin during storage. At the same time, NC-1 + 1-MCP treatment inhibited polyphenol oxidase (PPO) and peroxidase (POD) activity, thereby delaying pericarp browning and senescence of loquat fruits. The results showed that NC-1 + 1-MCP treatment had a better effect on loquat preservation than single treatment with NC-1 or 1-MCP.

Key words: nanoemulsion, 1-methylcyclopropene, coating preservation, loquat, quality maintenance

CLC Number:

TS255.36

SUN Zhengxuan, CHEN Huiyun, YANG Huqing, SUN Zhidong, WU Yufen, LI Mengzhen. Effects of Nanoemulsion Coating and 1-Methylcyclopropene on Quality Maintenance of Loquat Fruits[J]. FOOD SCIENCE, 2018, 39(23): 257-262.

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Effects of Nanoemulsion Coating and 1-Methylcyclopropene on Quality Maintenance of Loquat Fruits

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