The story on pumpkin beer in the Sept/ Oct Zymurgy got me thinking: if you can (as the author did) put pumpkin straight into the mash, couldn't you also (since I don't do all grain) put pumpkin juice straight into the pot? I thought I'd give it a try, but am finding that, well, no one makes pumpkin juice. When I searched on it, I did find some recipes for it, most of which involve mixing canned pumpkin with another juice (apple, pineapple).
Provided I strain the homemade "juice," is there any downside here that I'm not seeing? I'm obviously going to need to control for the sugar content in the juice. Isn't that just a matter of calculating the sugar content of the juice and reducing the DME proportionately?