Mango
Prune
Apple
Guava
Grape
I would have thought you meant sorbet, apart from the 5 letters
applegrapelemonmangomelonpeachprune
Juice
The likely word is "juice."
Punch
Juice
Juice
Mango juice :)
I would have thought you meant sorbet, apart from the 5 letters
cider
applegrapelemonmangomelonpeachprune
Juice
i really am not sure, but i'll just throw a wild guess out there. Lemon? it is a juice that is always an acid, and has 5 letters.
peach
Apple, lemon, mango, prune
A lemon is yellow, egg-shaped, with 5 letters.
The likely word is "juice."