Looking on the internet deeply has found these results:

appetites for eating is the most popular phrase on the web.

appetites in eating 16,050 results on the web	appetites for eating 19,650 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
She had no appetite, wasn't eating. 'Is a change in eating habits recommended?'). Appetite comes with eating, but the thirst goes away with drinking. Most women tend to lose their appetites in the first trimester. There is little or no appetite in the Member States for a fully compulsory system from 1 January 2000. I'm working up an appetite in there. I must warn you that the king's... appetite in his bedchambers can be quite... rough. There was little appetite in the Council for substantially increasing the budget even though it was clear that considerable improvement of financial market supervision was called for.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

appetites in eating

16,050 results on the web

appetites for eating

19,650 results on the web

More popular!

She had no appetite, wasn't eating.
'Is a change in eating habits recommended?').
Appetite comes with eating, but the thirst goes away with drinking.
Most women tend to lose their appetites in the first trimester.
There is little or no appetite in the Member States for a fully compulsory system from 1 January 2000.
I'm working up an appetite in there.
I must warn you that the king's... appetite in his bedchambers can be quite... rough.
There was little appetite in the Council for substantially increasing the budget even though it was clear that considerable improvement of financial market supervision was called for.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.