The nutrient that suffers the heaviest hit in cut fruits and vegetables is probably vitamin C, although some vitamin A and vitamin E get lost as well. ... Most other nutrients, including minerals, B-complex vitamins, and fiber, aren't lost after cutting or peeling the inedible rind from fruits and vegetables.
What vegetables can you cut ahead of time?
There are plenty of veggies you can cut up a day or two ahead of time but some really shouldn't be touched until it's time to put them to use. Cutting firm, somewhat hard vegetables like butternut squash, Brussels sprouts, cauliflower, or broccoli into large pieces will only slightly affect their quality.
11 Feb, 2020