Do oranges lose or gain vitamin c once off the tree?

Question

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Answer 1

Oranges lose vitamin c on the tree and off the tree:

Vitamin C decreases during the ripening process. Immature fruit has the highest levels.

Sunlight exposure enhances vitamin C levels, shaded fruits have lower content.

Early maturing varieties have higher levels that late maturing types.

Stored oranges loose the most percentage of vitamin C in the first 2 weeks and at higher temperature.

The sweeter the orange the higher the decomposition of vitamin C