One, fresh chitosan take disease-free, no mechanical injury of healthy strawberry fruit, soaked in chitosan coating solution for 20 seconds, remove the natural air dry, into the plastic basket with holes. Fruit thickness 6-8 cm, stored at room temperature 25-30 °C, the first 3 days to maintain humidity above 90%, 3 days after the maintenance of natural humidity 60% -70%, storage for 5 days, good fruit rate of 85.2%. Chitosan coating solution formulation: 1.25% chitosan, 1.25% tartaric acid, 0.5% cellulose. Second, lysozyme treatment According to recent reports in Japan, strawberry fruit with a unit of lysozyme treatment, can extend the shelf life of the fruit, can be well preserved at room temperature for 3 days. Third, the plastic film packaging first fruit in a small container, do not pile too thick. Cover polyethylene plastic film to reduce evaporation and reduce weight loss. Treated with this method can significantly extend the storage period of the strawberry. Fourth, dehydration acetic acid treatment of gray mold is the main cause of strawberry rot. Dehydrated acetic acid is a broad-spectrum food preservative that can effectively inhibit the growth of mold, yeast, and bacteria. The freshly picked strawberries were immersed in a 0.25% to 0.5% dehydrated acetic acid solution for 30 seconds to significantly prolong their storage period. Fifth, phytic acid dipping fruit preservation phytic acid chemical name is calcium inositol calcium phosphate. It has the function of complexing metal ions, antioxidants and reducing pH. If used in conjunction with other preservatives, its preservation effect is significant. For example, 0.1%-0.15% phytic acid solution + 0.5%-0.10% sorbic acid + 0.10% peracetic acid immersed in fruit, the strawberry can be stored for 6-8 days at room temperature. If comprehensive measures are adopted, timely harvesting will be carried out, healthy strawberry fruit will be harvested at a suitable maturity, lightly tapped to prevent skin damage and pathogen infection, and pretreatment (pharmacy, packaging, etc.) before storage. Antiseptic and antiseptic, to avoid moisture loss, etc.; low-temperature refrigeration, inhibition of respiration, slowing down metabolic reactions, inhibiting nutrient loss, controlling bacterial growth, etc.; reasonable management, timely inspection, early detection of problems, etc., can greatly improve the storage of strawberries Fresh effect.

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