Which type of barley typically contains more protein?

Six-row barley is generally recognized for containing a higher protein content compared to two-row barley. This is largely due to its genetic makeup and physical structure. Six-row barley has more kernel rows, which increases the amount of endosperm—the part of the grain that contributes protein. Specifically, six-row varieties tend to have protein levels ranging from 12% to 14%, while two-row varieties often have protein levels in the range of 8% to 12%.

Additionally, the differences in protein content can influence the brewing process and the flavor profile of the beer. Higher protein levels in six-row barley can lead to increased haze and other characteristics that can affect the final product in beer production, such as mouthfeel and head retention. Thus, in the context of brewing and malting, understanding the differences between these two types of barley is critical for brewers when selecting ingredients for their desired beer styles.