Dissolved Oxygen (DO): a measured amount

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The standard

A measured oxygen amount makes a wine's oxygen exposure traceable rather than estimated. Only the figure in milligrams per litre allows oxidative development to be foreseen.

Criteria

The content is given in milligrams per litre
It is measured at a defined place and time, not for the wine as a whole
Its value rises with air contact and falls through binding in the wine
It describes an amount, not its effect on taste

Distinction

Dissolved oxygen ≠ oxidation: dissolved oxygen is the amount present, oxidation its chemical effect over time. Dissolved oxygen ≠ bottling: bottling is an event, a measured oxygen amount the result left by it and every other air contact.