24 hours. Fresh watermelon juice is not added with preservatives. It also contains a large amount of sugar, which is easy to deteriorate. Although freezing in the refrigerator can inhibit the propagation of bacteria, it is not an absolutely safe environment, and bacteria will still breed. Moreover, the temperature of the refrigerator's freezing layer is low, and the plant fiber network of watermelon juice is damaged. After the watermelon juice is frozen, its color The taste will change to some extent. The longer it is kept, the more nutrients will be lost.
Do you want water for watermelon juice
Generally not required. Watermelon itself contains a large amount of water, which accounts for about 90% of the whole fruit. Therefore, the texture of watermelon juice is relatively thin. Generally, water can not be added when extracting watermelon juice; Of course, if you prefer a thinner or lighter taste, you can also add some cold white juice to it.