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Is it necessary to increase times for blanching vegetables for freezing at altitudes above 1000 feet?

April 26, 2017Altitudes blanching feet freezing increase necessary times vegetables

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Is it necessary to increase times for blanching vegetables for freezing at altitudes above 1000 feet?

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No. The times recommended in current University Extension publications are acceptable for use even at 8000 feet altitude. Note: No area of Missouri is above 2000 feet altitude. Source: Personal communication with Dr. Gerald Kuhn, Food Scientist, Penn State University, June 1989.