Thanks for the replies.
The board I'm making will be a gift, so I can't be sure that it will be used nothing more than as a serving platter, being stored for most of the time. Olive oil here isn't a good option as it does go rancid too soon if the board isn't used and washed regularly. It's terrible stuff once rancid.
Shane, thanks for your suggestion. I did happen to see liquid liquid parafin, but at the hardware store, and I thought was "I wonder...". I rembered that liquid parafin is used as a laxative (from personal experience too!), but I'm glad you mentioned the stuff from the chemist, not the hardware store.
Have you any idea on Tung oil?
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