The nutritional content of frozen ginger is not destroyed, it is non-toxic and can be used normally. If ginger has become moldy, it will be toxic and cannot be eaten.

Ginger can be preserved by the following methods:

For uncut ginger, wrap it in newspaper and put it in the refrigerator; fill the flower pot with sand and put it in the refrigerator. Bury the ginger and use it as you like. For cut ginger, cut the ginger into 3 to 4 cm thick slices, then wrap it in plastic wrap and store it in the freezer, not the refrigerator. Take it out when needed to keep the taste fresh and not deteriorate.