Just wanted to chime in on how awesome it is for you to put together that site. I'm going to critique the site pretty hard now, but don't take it to heart- I really want it to be successful and here's how I think it will be:
I will reiterate what others have said as far as uniformity.. Us DIY'ers absolutely depend on flavor profiles being divisible into 100 (100%). A lot of the recipes I've viewed say 30% flavor, then add up to odd numbers like a total of 63 drops.. 7 of this, 8 of that, etc.. It's confounding and frustrating. Not to mention that most people tend to create flavors at 20% or less total flavoring, and many recipes I've seen on your site seem to hinge on 30% flavoring, which seems excessive. Just my opinion.
Would also be nice to be able to sort recipes by flavor concentrate manufacturer, I use LorAnn only, and would only follow recipes that use those flavors. I found plenty on your site, which is great, but also had to wade
through a lot that weren't.
Like I said, just suggestions, but I guarantee your site would be better if you could implement them. As far as making the recipes mass-exportable, I wouldn't. A web site is a business, and you want people to visit regularly, not download a file and never come back
Good luck, I will be visiting often regardless!