>One can isolate ANY phytochemical, enzyme, alkaloid or "ingredient" from it's whole >food source and "prove" anything.
Which is exactly how the anti-soy proponents have attempted to prove soy dangeorus. We saw this recently when a poster failed to mention that the oxalic acid's effects on kidney stone formation is countered by the phytic acid. This is why I don't trust a lot of studies because they are manipulated like this. And I prefer plants in their whole form, not isolates in most cases. Nature has a balance that we screw up with isolation, and that people manipulate to try to falsely prove substances dangerous.