What change in pH should be made to tomato soup to increase its preservation?
(a) Make it acidic
(b) Make it basic
(c) Make it neutral
(d) Make no changes
I have been asked this question in unit test.
Question is taken from Principles of Food Preservation by Canning-2 topic in portion Principles of Food Preservation by Canning and Drying and Principles of Food Concentrates of Food Engineering