). ▁The ▁dos age ▁( res id ual ▁sugar ) ▁is ▁ 9 g / l . ▁ ▁Car te ▁Bl anche ▁ ▁The ▁Car te ▁Bl anche ▁C uv ée ▁is ▁also ▁produced ▁from ▁three ▁Vari eties ▁: ▁ 4 0 % ▁Pin ot ▁No ir , ▁ 4 0 % ▁Ch ard onn ay , ▁ 2 0 % ▁Me un ier . ▁The ▁main ▁difference ▁between ▁Br ut ▁Premier ▁and ▁Car te ▁Bl anche ▁is ▁the ▁dos age . ▁Car te ▁Bl anche ▁is ▁a ▁Dem i ▁Sec ▁style . ▁ 5 % ▁of ▁Car te ▁Bl anche ▁come ▁from ▁wine ▁m ature d ▁in ▁o ak ▁t uns . ▁It ▁is ▁aged ▁for ▁ 3 ▁years ▁in ▁Louis ▁Ro eder er ’ s ▁cell ars ▁and ▁left ▁for ▁ 6 ▁months ▁after ▁dé g org ement ▁( dis g org ing ). ▁ ▁V int ages ▁ ▁In ▁Champ agne , ▁a ▁v int age ▁Champ agne ▁( Ch amp agne ▁Mill és im é ▁in ▁French ) ▁is ▁a ▁champ agne ▁composed ▁entirely ▁of ▁w ines ▁of ▁the ▁same ▁year . ▁The ▁specific ity ▁of ▁Louis ▁Ro eder er ' s ▁ ▁v int age ▁w ines ▁is ▁that ▁they ▁are ▁exclus ively ▁elabor ated ▁from ▁Louis ▁Ro eder er ' s ▁v ine y ards . ▁ ▁V int age ▁ ▁Br ut ▁V int age ▁is ▁composed ▁of ▁ 7 0 % ▁Pin ot ▁No ir ▁from ▁the ▁Mont agne ▁de ▁Re ims ▁and ▁ 3