Raven, dog and rodent eating new fruit (12)
I believe the answer is:
blackcurrant
'fruit' is the definition.
(blackcurrants are fruits)
'raven dog and rodent eating new' is the wordplay.
I cannot really understand how this works, but
'raven' could be 'black' (raven can mean very black) and 'black' is found within the answer.
'dog' could be 'cur' (both can mean a despicable person) and 'cur' is found within the answer.
'and' could be 'n' (common abbreviation for 'and') and 'n' is found in the answer.
'rodent' could be 'rat' (rat is a kind of rodent) and 'rat' is located in the leftover letters.
This accounts for all the letters.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for blackcurrant that I've seen before include "Small edible berry" , "Shrub with small edible berries" , "Small, juicy fruit" , "Soft fruit" , "Round berry" .)