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Four Questions and Four Answers on Drying and Slicing Mango
2026-07-03
Q1: How to select and slice mangoes when making dried mangoes?
A: Selecting materials is the first step to success. It is recommended to choose varieties with moderate maturity (about 8-9% mature), a slightly elastic texture, thick flesh, and low fiber content Overripe mangoes are prone to softening and rotting, while undercooked mangoes lack flavor. When slicing, it is recommended to control the thickness between 5-8 millimeters and maintain uniform thickness. Excessive thickness can make it difficult to drain internal moisture and promote the growth of microorganisms; If it is too thin, it is easy to lose the toughness of the dried fruit and become too crispy after drying.
Q2: Why is it easy for mangoes to change color after slicing? How to perform pre-treatment color protection?
A: After slicing mangoes, polyphenols in the flesh are prone to enzymatic browning when exposed to air under the catalysis of enzymes, resulting in a blackened appearance. To prevent discoloration and enhance flavor, color protection treatment can be used: soak the cut mango slices in a 0.5% to 1% citric acid solution or vitamin C aqueous solution for 5-10 minutes. In addition, a mild sugar soaking process (mixing a small amount of white sugar or honey and marinating for 30 minutes) can also be used, which can not only delay discoloration, but also increase the water retention and flavor level of the dried fruit.
Q3: How to scientifically control the temperature and time when using an oven or dryer to make dried mangoes?
A: The drying process needs to follow the temperature control principle of "high first, then low". The initial stage can be set to dry at around 60 ℃ for about 4 hours to rapidly dehydrate the mango surface and form a protective film; Then lower the temperature to around 50 ℃ and dry slowly for 6-8 hours to avoid moisture inside and outside the coke. The entire drying process usually takes 8-12 hours, depending on the slice thickness and environmental humidity. The criteria for determining the drying endpoint are: the fruit slices are soft to the touch but not sticky to the hand, do not break when folded, and have a moisture content of less than 20%.
Q4: How should dried mangoes be stored correctly to maintain their quality?
A: Dried dried mangoes should not be immediately packaged. They should be placed in a cool and shady place for about 24 hours to allow for a more balanced distribution of moisture and a more flexible taste. After moisture regain, it is necessary to immediately use aluminum foil composite bags or glass sealed cans for sealed storage, and it is best to put food grade desiccants inside the packaging. The storage environment should be kept dry, dark, and low temperature (ideal temperature below 15 ℃, humidity not exceeding 60%). Under proper storage conditions, homemade dried mangoes can usually be stored for 3-6 months.
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