How to keep red grapes fresh? How to keep red grapes fresh?

Red grapes are a common fruit that is available in the market in summer and early autumn every year. However, people can still see them in some fruit markets in winter. Some people wonder how red grapes are preserved to keep them fresh for so long. Next, I will give a special introduction to the preservation methods of red grapes, and you will understand after reading it.

How to store red grapes

1. Store red grapes in a fresh-keeping bag

After harvesting, red grapes will be stored in special fresh-keeping bags. PVC and PE breathable and temperature-permeable bags are the most suitable bags for storing red grapes. The quality of red grapes will change very little when placed in these bags, and the grape stems will always remain bright green, and the moisture of the grapes will not be lost. Placing the bagged grapes in a special warehouse can extend their shelf life to several months.

2. Preservation of red grapes with preservatives

Red grapes are a grape variety that is particularly sensitive to oxygen. When preserving them, you can use a special CT compound preservative. The amount to be used should be seven packets of preservative for every five kilograms of grapes, and add a temperature-regulating plastic wrap. This method can also extend the shelf life of red grapes to four to five months.

3. Red grapes can be refrigerated

Refrigerated storage of red grapes is also a good method. After entering the cold storage, they need to be pre-cooled in an environment of minus one to two degrees to allow the temperature of the red grapes to drop rapidly. After twenty-four hours, the temperature of the red grapes will drop to around zero degrees. At this time, pack them in boxes and store them directly in the cold storage area. This will also allow the red grapes to be stored for three or four months without deteriorating.