Paul M. Cook > wrote:

>It is not so much protein rich foods in and of themselves. It is foods rich
>in purines. The purines help precipitate the uric acid into crystals.
>Purine rich foods include offal meats, shellfish, yeast, mushrooms,
>asparagus and tomatoes. I was feasting on a bumper crop of tomatoes when I
>got my first attack.

It depends how you count things. Tomatoes have 11 mg purines per
100 grams, whereas beef has 120 mg. However beef has far
more calories per 100 g (341 vs. 18). So you could say
tomatos have a lot of purines for their food value, but
you'd have to eat a lot of them. (Which you apparently did...)

Steve