Answer:
"As packaged" will indicate whether it was wrapped or whether it was achieved when it was packed so it would be, etc.
"As prepared" means how they did it / what they did as they did.
Some aren't prepared (like a fruit) or come from another company. This suggests they 'd actually place 'as boxed' only.
Now, if they put both, it'd actually be a tuna-like food etc.
An experiment should have only one independent variable.
Just the right amount. There is good cholesterol and bad cholesteol, you have to pay attention to which is which when it comes to what you eat