MASTER FOOD PRESERVER Homework Assignment SP50-628 Revised March 2013 CANNING TOMATOES Use your resource notebook to answer the following questions. Note the reference(s) you used. 1. List at least 4 factors which influence the time and temperature required for processing tomatoes. References: 2. If someone wants to preserve tomato products that are not prepared according to tested instructions, they should… References: 3. When using commercial jars (mayonnaise, for example) to can tomatoes, what are some factors you need to take into account? References: 4. Describe tomatoes that are suitable for canning and those that should not be canned. References: 5. Why is hot-packing tomatoes recommended? References: 6. As an added margin of safety, acid should be added to tomatoes before processing. How much and what kind of acid do you add? References: 7. What recommendation would you give someone who canned tomatoes yesterday and had several jars that did not seal? References: 8. How long would you process tomatoes if you wanted to can crushed, hot pack, no added liquid at 0-1,000 feet in: Boiling water canner? pints_____ quarts_____ A weighted gauge pressure canner? pints_____ quarts_____ at _____ pounds pressure A dial gauge? pints_____ quarts_____ at _____ pounds pressure References: 9. How long would you process whole tomatoes packed in water at 4,000 feet in: Boiling water canner? pints_____ quarts_____ A weighted gauge pressure canner? pints_____ quarts_____ at _____ pounds pressure A dial gauge? pints_____ quarts_____ at _____ pounds pressure References: 10. What recommendations would you give someone who wants to know how long to process a favorite family salsa recipe? References: 11. The salsa recipe in the tomato publication is too hot. What suggestions would you have? References: 12. What recommendations would you give someone who wanted to can V-8 juice? References: 13. My salsa is too runny. Can I add a thickener like cornstarch before canning? References: 14. Give two methods for peeling hot chili peppers and one precaution. References: ©2012 Oregon State University, Oregon State University Extension Service offers educational programs, activities, and materials without discrimination based on age, color, disability, gender identity or expression, marital status, national origin, race, religion, sex, sexual orientation, or veteran’s status. Oregon State University Extension Service is an Equal Opportunity Employer.