In keeping with the them of "green" or 'bio based" cleaning, I'm trying to get my basic solutions in order here. Would we consider "Simple Solution" in that category?

Good point. The enzymes of course are natural materials. The detergent, mixed into the solution in this particular brand, may not be.

You might want to take a look at:
---www.naturallysavvy.com "How to Learn About Natural
Enzyme Cleaners" and

---www.cleaners-r-us.com/Biozyme.html