Main navigation | Main content
Campuses:
WW-00516 Revised 1996
This publication was extensively revised by William Schafer, Extension Food Technologist, Department of Food Science and Nutrition, University of Minnesota, from an original publication by Isabel D. Wolf and Edmund A. Zottola. Revisions were based on USDA-funded research at the Center for Excellence in Home Food Preservation at Pennsylvania State University.
The information given in this publication is for educational purposes only. Reference to commercial products or trade names is made with the understanding that no discrimination is intended and no endorsement by University of Minnesota Extension is implied.
In accordance with the Americans with Disabilities Act, this material is available in alternative formats upon request. Please contact your University of Minnesota Extension office or the Extension Store at (800) 876-8636.