Food and Fermentation Industries >

2026 , Vol. 52 >Issue 8: 113 - 121

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.043941

Effects of different film packaging on postharvest shelf-life quality of Chinese little greens

  • REN Kai ,
  • HE Xue ,
  • XU Chang ,
  • LI Pengxia ,
  • MA Yanhong ,
  • HU Huali
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  • 1(College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong 030801, China)
    2(Institute of Facilities and Equipment in Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China)
    3(Institute of Agro-products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China)

Received date: 2025-07-17

  Revised date: 2025-09-28

  Online published: 2026-05-07

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Abstract

To investigate the effects of modified atmosphere packaging (MAP) on regulating the postharvest shelf quality of Chinese little greens, this study systematically analyzed the impacts of films with varying thicknesses and gas permeability characteristics on the shelf-life quality of postharvest Chinese little greens under ambient conditions [(23±1) ℃].The Chinese little greens were packaged and subsequently placed in a cultivation chamber.The results showed that compared with the control group (30 μm PE film commonly used in supermarkets) and other packaging groups, the 70 μm micro-perforated film (P5) significantly inhibited the increase in respiration rate and weight loss of Chinese little greens by regulating the internal gas microenvironment (low O2 and high CO2).Specifically, the weight loss rate of P5 after 8 days of storage was only 56.3% of that in the control group, effectively maintaining the visual quality of the postharvest Chinese Little Greens.Further analysis revealed that the P5 microperforated film delayed the degradation of chlorophyll (total chlorophyll content was 76.7% higher than the control group after 8 days) and ascorbic acid (28.6% higher than the control group), reduced the accumulation of harmful substances such as malondialdehyde and nitrite, and inhibited the growth of total colony counts.In conclusion, the P5 microperforated film significantly improved the preservation effect during the shelf life of Chinese little greens by suppressing respiration rate, delaying oxidative damage, and exerting antibacterial effects.Therefore, it can serve as a novel packaging material to optimize the shelf-life quality of Chinese little greens.

Key words： modified atmosphere packaging; Chinese little greens; shelf quality; ambient temperature; preservation

Cite this article

REN Kai , HE Xue , XU Chang , LI Pengxia , MA Yanhong , HU Huali . Effects of different film packaging on postharvest shelf-life quality of Chinese little greens[J]. Food and Fermentation Industries, 2026 , 52(8) : 113 -121 . DOI: 10.13995/j.cnki.11-1802/ts.043941

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