Effects of micro-environmental modified atmosphere on quality and physiological changes of flat peach in cold storage and shelf at ambient temperature

  • ZHANG Peng ,
  • LI Xinyue ,
  • JIA Xiaoyu ,
  • XUE Youlin ,
  • LI Jiangkuo
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  • 1(Institute of Agricultural Products Preservation and Processing Technology, Tianjin Academy of Agricultural Sciences, Tianjin 300384, China)
    2(Tianjin Key Laboratory of Postharvest Physiology and Storage of Agricultural Products, Key Laboratory of Storage of Agricultural Products, Ministry of Agriculture and Rural Affairs, National Engineering and Technology Research Center for Preservation of Agricultural Products (Tianjin), Tianjin 300384, China)
    3(College of Light Industry, Liaoning University, Shenyang 110036, China)

Received date: 2021-10-19

  Revised date: 2021-11-29

  Online published: 2023-03-03

Abstract

To study the fresh-keeping effect of micro-environment modified atmosphere on flat peach in cold storage and ambient temperature shelf, Beijing Pinggu flat peach was taken as the test material and put into micro-environment modified atmosphere box, paste different air-modified atmosphere components, which were labelled as mMAP1, mMAP2, and mMAP3, and the non-stick modified atmosphere components were labelled as CK, and then stored in cold storage. Flat peach was taken out of cold storage every 10 days. On this basis, the gas content, fruit decay index, flavor index, flesh Browning index, hardness, soluble solids, titratable acid, vitamin C, respiratory intensity, ethylene production rate, and relative electrical conductivity in the box were determined by a 3-day shelf test at ambient temperature. During cold storage, O2 and CO2 varied from 18.67% to 19.93% and 1.40% to 2.85% in the mMAP1 group. In the mMAP2 group, O2 varied from 16.35% to 19.30%, and CO2 varied from 2.37% to 4.45%. In the mMAP3 group, O2 varied from 16.33% to 17.33%, and CO2 varied from 4.12% to 5.53%. In the cold storage period and shelf life at ambient temperature, the rot index and browning index showed an increasing trend. The CK group showed the first rot and browning phenomenon, and the rot index and browning index were the highest. The mMAP3 group had the best sensory quality. Paste gas components of the treatment group were a preservation effect, compared with the CK group, all the three treatment groups could reduce the consumption of nutrients to different degrees, the soluble solids, titratable acid, and vitamin C content at a higher level, inhibit the respiration of flat peach, and reduce the ethylene formation rate. Compared with the mMAP1 and mMAP2 groups, the mMAP3 treatment group could delay fruit senescence, reduce fruit nutrient loss, and inhibit fruit respiration. By SPSS analysis, the comprehensive score of CK group <mMAP1 group <mMAP2 group <mMAP3 group. In conclusion, the mMAP3 group has the best preservation effect.

Cite this article

ZHANG Peng , LI Xinyue , JIA Xiaoyu , XUE Youlin , LI Jiangkuo . Effects of micro-environmental modified atmosphere on quality and physiological changes of flat peach in cold storage and shelf at ambient temperature[J]. Food and Fermentation Industries, 2023 , 49(3) : 275 -283 . DOI: 10.13995/j.cnki.11-1802/ts.029728

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