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Effect of cold chain transportation on assemble-able cold-storage incubator.

[In Chinese. / En chinois.]

Author(s) : ZHANG Q., ZANG R., LIU S., et al.

Type of article: Article

Summary

Cold-storage incubators that are easy to disassemble and assemble may become the development trend of the future. An experiment on the effect of cold-chain transportation was performed on an assemble-able cold-storage incubator with pleurotus ostreatus (oyster mushrooms). During the experiment, the temperatures of the air, the center of the pleurotus ostreatus, and the cold-storage agent in the incubator were tested; then, the heat-leakage rate from the gaps in the cold-storage incubator assembly was determined. Meanwhile, the
pleurotus ostreatus were sampled every 30 hours to make a sensor evaluation and the nutritional indicators were tested to judge the effect of the cold-chain transportation. The results show that, in an ambient temperature of 25 °C, it takes 56 hours for the coolant to completely liquefy, which is eight hours less than that estimated. This means that the required coolant amount, which can be adjusted by a factor correction method, was actually larger than the estimation. Moreover, the heat-leakage rate from the gap increased to 12.97%, which was to be a bit larger proportion. Thus, it is necessary to improve the assembly process of the assemble-able cold-storage incubator. In addition, the commodity and nutritional value of pleurotus ostreatus are rarely reduced during cold storage. When the values after 60 h were compared with those at the beginning, the sensory evaluation scores, the soluble-solids content , the soluble-protein content and the vitamin C had dropped by 3.53% , 5.9% , 4.2% and 9.96% respectively.

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Pages: 105-110

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