The ketchup storage
On the canned tomato paste, such as eat, put after a period of time would be easy to spoil. If you open a mouth, canned tomato sauce into the pot steamed first once again to eat, leftover tomato sauce can be in a long period of time is not bad. Prevent ketchup metamorphism there is another good way, namely in the canned tomato paste opening seal put a layer of plastic wrap and refrigerate layer can be stored for a long time. Scrape off the above a layer of eating when you eat.