Strong flavour before wrapping in citrus fruit (9)
I believe the answer is:
tangerine
'citrus fruit' is the definition.
(tangerine is a kind of citrus fruit)
'strong flavour before wrapping in' is the wordplay.
'strong flavour' becomes 'tang' (I've seen this before).
'before' becomes 'ere' (usually literary).
'wrapping' means one lot of letters goes inside another.
'ere' going around 'in' is 'erine'.
'tang'+'erine'='TANGERINE'
(Other definitions for tangerine that I've seen before include "Moroccan" , "Tree" , "Orange-type fruit" , "orange colour" , "shade" .)