Effect of ammonium nitrogen supplementation of grape juice on wine volatiles and non-volatiles composition of the aromatic grape variety Albariño

► Vitis vinifera Albariño was supplemented with diammonium phosphate (DAP) in the range 250-450 mg N/L. ► DAP has a significant effect on the chemical and volatile composition of Albariño wines. ► Moderate nitrogen supplementation contributed to the fruity/floral aroma.