I have a problem with a finish on salad bowls. I have been using minearla oil for years but I have a client that mixes her vinegrett in the wood bowl and over the years it has become saturated with olive oil. The entire vessdel is now saturated and rancid. Is there a way to reverse this chemically, like immersing it in vinegar?
Any and all help would be appreciated.
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Replies
Dean, I don't think there is any way to reverse the rancidity of the olive oil that has soaked into the wood that is food safe. As the olive oil soakes into the wood and polymerizes and forms a partially cured varnish and becomes rancid and varnish removers wouldn't be healthy. As far as vinegar treatment, the chemistry just isn't there for reversing the rancidity.
Your mineral oil doesn't dry or cure (it has no hydroxyl groups)so that it can blend with the salid oil as the bowl is used and eventually be replaced by the salad oil after enough applications. You might try sealing the new wood with salad bowl varnish available from Rockler.
BJ
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