Try not to let the "delete me" worry you. We have a policy of not giving away answers on this board, so some mods have made any "assist moi" auto-convert to "delete me." It looks worse if you put it in your Subject: line, and that's the point -- fact is, we know why you've come here, and posted, so there's no need to ask, explicitly, for help.
At any rate, regarding you experiment plans, I'm figuring that you've done all you can do with orange oil, just by steam distilling it. Here's a suggestion: what is commercial orange oil used for? Can you write an experimental plan around testing to see if your product is as good or better than the commercial product?