Method for prolonging refreshing time of yellow peach slices
A fresh-keeping and slicing technology, which is applied in the direction of protecting fruits/vegetables with a coating protective layer, can solve the problems of short shelf life, freshness, and flavor that cannot meet the requirements and emphasis on food safety and delicious flavor, and achieve extension Effects of shelf life, delayed activity and increase in relative conductivity, good shelf quality
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[0024] This embodiment relates to a method for extending the fresh-keeping period of yellow peach slices; the specific process is as follows:
[0025] Step 1, membrane solution preparation
[0026] Dissolve 20g of chitosan in 980g of distilled water and stir for 10 minutes, then add 20g of glacial acetic acid to prepare a chitosan solution, stir at room temperature at 18--22°C, add glycerin and Tween 80 to the chitosan solution and Stirring was performed at a speed of 1000 rpm. Adjust its pH value to 5.6 with 1.0mol / L NaOH, filter with 8 layers of gauze, and then carry out vacuum degassing treatment to the filtrate to obtain a membrane solution;
[0027] Step 2, coating treatment
[0028] Place the slices in a perforated basket, immerse them in the membrane solution, take them out and drain them.
[0029] Effectiveness analysis
[0030] Put the treated yellow peach slices and the fresh yellow peaches of the control group into the freezer (REVCO ULT1386-3-V35, Kendro Labora...
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