Wine region (4)
(Other definitions for burgundy that I've seen before include "French wine - dark, purplish red" , "Dark red-purple" , "Full-bodied red wine" , "French region, colour and wine" , "Red wine region" .)
'wine region' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for asti that I've seen before include "White wine named after a town in Piedmont" , "Sparkling wine named after an Italian Piedmont town" , "Fizzy wine" , "Italian town producing sparkling wine" , "Italian wine - (then change a letter for ...)" .)