Summarize this article:

If you need to eat frozen or canned fruits and vegetables, watch the sugar, syrup and sodium content. This will help to preserve the nutrient content.    This will help to build some variety into your diet.

Summary:
Enjoy fresh fruits and vegetables. Cook vegetables for the shortest amount of time possible. Choose whole fruits instead of fruit juices. Avoid dried fruits. Avoid potatoes. Try a new fruit or vegetable each week.