On 10/18/2011 7:18 AM, W. Baker wrote:
> Robert > wrote:
> : Fresh pineapple contains bromelain, a mixture of protein-digesting
> : enzymes. Cooking deactivates them. So I'd consider them one possibility.
>
> That's why you can't add fresh pineapple to Jello, only cooked or canned.
>
> Wendy



and also why pineapple juice makes a great meat tenderiser

kate