What are the commonly experienced problems while canning tomatoes?

Canning tomatoes are an effective and convenient process to preserve them for a long period of time. The flavor of tomato is being used in various kinds of dishes as they are good nutrition providers. Sometimes, one may face several canning problems due to immediate causes, but there are solutions for every problem.

Here are few common problems while canning tomatoes:-

·        Loss of Liquid During Processing- This may happen due to lowering pressure after processing, fluctuating pressure while processing, presence of air bubbles in the jar before processing and improper seal. This can be prevented by maintaining proper pressure and following appropriate directions.

·        Imperfect Seal- The main reasons behind this problem are Cracks or chips in jars, failure to follow directions, using old canners and lifting jars from the top. When the seal is not proper, discard the food as it is safe for 24 hours only after seal is broken. This can be prevented by checking the jars carefully before using.

·        Color Changes- The main reasons behind this is that material gets in touch with minerals like zinc, iron or copper in water or cooking utensils, over processing, over mature or immature tomatoes, exposure to direct light and distinct spoilage. This can be prevented by careful utensil and tomato selection and following proper processing methods.

·        Spoilage- This results due to incorrect pressure, incorrect timing, incorrect method, poor selection of tomatoes and poor selection of jars. The prevention methods include checking the pressure accuracy, following timing directions properly, selection of the suitable tomatoes and checking the jars and their seal.

·        Poor Flavor- This may be caused due to overripe, immature and inferior tomatoes used, using too much water and improper storage. One must use good quality tomatoes only and should use appropriate amount of water. Always keep the jars in a dark, cool and dry place.

There are lots of canning problems but they can be easily prevented by using certain useful tips.