Why do restaurants not refrigerate ketchup?

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Tags

1. #storage
2. #product
3. #because
4. #opening
5. #natural
6. #conditions
7. #however
8. #stable
9. #maintain
10. #ketchup
11. #acidity
12. #refrigerated
13. #recommend
14. #refrigeration
15. #shelf
16. #stability
17. #affected
18. #after
19. #quality
20. #heinz