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<pre>There was an article in "Olive Oil Source" (april 2000) which broached
the subject- in Italy you can get a container with a floating lid with
an inflatable gasket like an inner tube that remains in contact with the
surface excluding air. The fixed lid method needs nitrogen or any other
inert gas to exclude oxygen, CO2 is not really inert (just ask a tree)

So, how did the ancients cope with this dilemma?

Roger Farquhar

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