Julienned vegetables dry out faster than larger chunks due to their increased surface area, which leads to quicker moisture loss. Therefore, larger chunks generally have a longer storage life.
The rate at which vegetables dry out is directly related to their surface area. Julienned vegetables, being thinly sliced, possess a significantly larger surface area compared to larger chunks of the same vegetable. This increased surface area exposes more of the vegetable's interior to the surrounding air, facilitating a faster rate of moisture evaporation. Consequently, julienned vegetables will wilt, shrivel, and become unusable much sooner than their chunkier counterparts. The larger chunks retain moisture more effectively because their smaller surface area-to-volume ratio minimizes the exposure to air and slows down the drying process. Proper storage techniques, such as using airtight containers or wrapping the vegetables in damp paper towels, can help mitigate moisture loss, but the inherent difference in surface area will still result in julienned vegetables drying out more quickly.
To extend the life of julienned vegetables, store them in a container lined with a slightly damp paper towel. The moisture from the towel will help maintain humidity and prevent them from drying out as quickly.