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It's easy to get answers about health and nutrition! Just send your question by email to [email protected] and Dr. Harlan will respond to selected questions of general interest. Answers will be posted in the Ask Dr. Gourmet newsletter (sign up now!) and archived in the Ask Dr. Gourmet section of the website.

Please note that the Ask Dr. Gourmet feature is restricted to questions regarding food and nutrition. Due to the many questions we receive, not all questions may be answered. For more specific questions about your individual health, please contact your doctor. About Timothy S. Harlan, MD, FACP, CCMS | Terms of Use | Privacy Policy


 

Ask Dr. Gourmet

How long will white wine vinegar last?

Can you tell me if there is a use by date for Dufrais Saugignon Blanc White Wine Vinegar?

Dr. Gourmet Says...

a clear glass flask containing white wine vinegar

Generally speaking, vinegars keep well because they are acidic enough to prevent bacterial growth.

That said, I have a rule of thumb about all foods and how long they can be used after opening:

If in doubt, throw it out.

Thanks for writing,

Timothy S. Harlan, MD, FACP, CCMS
Dr. Gourmet