d) »proteinindhold«: mælkens proteinindhold i masseprocent (fremkommer ved at gange mælkens samlede kvælstofindhold udtrykt i masseprocent med 6,38).
(d) protein content shall mean the ratio by mass of parts of protein per hundred parts of milk in the milk concerned (obtained by multiplying by 6,38 the total nitrogen content of the milk expressed as a percentage by mass).