Sugar in France, translated to ‘sucre’ (8)
I believe the answer is:
fructose
'sugar' is the definition.
(fructose is a kind of sugar)
'france translated to sucre' is the wordplay.
'france' becomes 'f'.
'translated' is an anagram indicator.
'to'+'sucre'='tosucre'
'tosucre' with letters rearranged gives 'ructose'.
'f'+'ructose'='FRUCTOSE'
'in' is the link.
(Other definitions for fructose that I've seen before include "A simple sugar, in honey for instance" , "Fruit-sugar" , "Sweetener" , "Kind of sugar" , "It's sweet" .)