The brewer or winemaker now has the option of selecting a commercial strain for a specific attribute (for example, the ability to hydrolyze monoterpenes from glycolysated precursors). There is a strong incentive to develop wine yeast strains with an ability to accumulate trehalose and glycogen as starter cultures, because trehalose appears to stabilize cell membranes of lyophilized yeast, as well as theircellular proteins by replacing water and forming a hydration shell around proteins. Glycerol accumulation seems to control the concentration of solutes inside the cell relative to that of the culture medium, thereby counteracting the negative effects of dehydration.