Got a little input for ya'll.

Limonene?
Not it!

Here's why I say that.
It is a class 3 carcinogen so I'd want to boil it off completely.

Without using a vacuum pump, that will be a problem.
d-limonene boils at 177 ℃. at 1 atmosphere.
That's north of 300 ℉.
A real deal-breaker for me.
It would cook all the goodness out of my oil.
With a vacuum, the 5% residual is not acceptable to me.

As a medium for medibles, I think coconut oil, or hemp oil are much better choices.
They have a good Omega-3 ratio which potentiates healing.
That, and they are not classed as carcinogens.

Limonene got it's class-3 rating from induced renal cancer in rats.
The Wiki says that it has not caused cancer in humans.
I'm not keen to risk my kidneys to test a wiki statement.
That statement just proves that lobbyists have no conscience.

So, a good idea, but I'm gonna pass on it.

Aloha,
Weezard