What is a manufactured food? what is an analogue?

1: Manufactured food is processed food. That is packaged or canned. According to wiki it says that early food was made by salting, curing, curdling, drying, pickling, and smoking. 

2: Which definition do you need? There is:

1. Something having analogy to something else.
2. An organ or part analogous to another.
3. One of a group of chemical compounds similar in structure but different in respect to elemental composition.

^ credit goes to dictionarycom for definitions