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Effect of 100% Oxygen-Modified Atmosphere Packaging on Maintaining the Quality of Fresh-Cut Broccoli during
Yukexin Dai1,2, Xiaoyan Zhao1, Jinhua Zuo1
1Institute of Agri-Food Processing and Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing Key Laboratory of Agricultural Products of Fruits and Vegetables Preservation and Processing, Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture and Rural Affairs, Beijing 100097, China.
Abstract:
The effect of 100% oxygen (O2)-modified atmosphere packaging (MAP) on the quality improvement of fresh-cut broccoli stored at 4 °C for 15 days was investigated in this study. The results indicated that, compared to the control group conditions, 100% O2 MAP treatment effectively maintained broccoli sensory evaluation scores, green color, and texture; reduced respiration and chlorophyll degradation; and reduced total bacterial count (TBC), malondialdehyde (MDA) levels, electrolyte leakage (EL), hydrogen peroxide (H2O2), and superoxide (O2-) contents. Furthermore, 100% O2 MAP led to a smaller loss of nutrients and increased antioxidant capacity. In conclusion, the use of 100% O2 MAP is an effective approach for maintaining high-quality fresh-cut broccoli during refrigerated storage at 4 °C.
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