Introduction: Berries such as blueberries, grapes, and strawberries are prone to mold and difficult to preserve. The American website "Mother Nature Network" recently published an article featuring the "Vinegar Water Berry Preservation Method" recommended by American nutrition expert Dr. Comi Harris.
Dr. Harris proposes that the key to preventing berries from spoiling is to safely kill the mold spores that appear on their surface. Vinegar is not only a delicious condiment but also a natural disinfectant. A diluted vinegar solution helps kill mold spores on the surface of the berries. However, it is not advisable to use undiluted vinegar with a high concentration and strong taste to avoid affecting the quality of the berries. The recommended vinegar-to-water ratio ranges from 1:3 to 1:10.
Research has found that washing berries with both dilute and concentrated vinegar water can effectively sterilize and preserve them. The specific method is to place the berries in a container, then pour in the diluted vinegar water, and gently shake the container quickly to ensure each berry is thoroughly cleaned. Then, discard the vinegar water and drain or air-dry the berries.