Marianne Lee wrote:
>
> What I'm wondering is, if you pick a nice ripe peach off a tree on a hot
> summer day, or a watermelon from the fields (and they get pretty hot, I'm
> told), are the fruits already compromised?
>
No, because of two things - not usually hot enough, and while attached
to the tree there will be some cooling from evaporation.
I'd guess we could taste the difference too.
William