Cooking oils

All very helpful information. Many thanks for the education.

One question...

However, if you notice grapeseed oil beginning to deteriorate, it also makes a superb massage oil!

Won't it gum up my cat's fur?

Naah, I don't think so. Grapeseed oil is consider to be a "non-greasy" oil in massage terms. I have had it used (usually combined with another non-greasy oil that is more aromatic (say almond oil) at some pretty pricey spas including the Arizona Biltmore in Phoenix.