1��Baker's yeast contains enzymes that break starch down into glucose, which in turn breaks down into alcohol and carbon dioxide. 2��The resulting carbon dioxide will form holes in the bread dough to make the bread bulky and soft.  3��Alcohol will evaporate during the baking process. Such bread will be soft and delicious. 4��Bread improver is used in bread making to promote bread softness, increase bread baking elasticity and effectively delay bread aging.  5��Improve bread tissue, make bread soft and elastic, shorten the fermentation time of bread material. Material: Yeast Color: as the picture Size: app.50g Quality period: 18 months Uses: making bread, toast, etc. Storage: cool, ventilated and dry place 1 x bag Yeast