Chinese steamed bread (CSB) is a traditional Chinese staple food
and can be simply formulated by wheat flour, yeast and water.
Unlike the baking process, the steaming process leads to bread with
a soft, moist crumb and a thin, smooth, white skin rather than the
brown crust of traditional western baked bread. Due to absence of
the Maillard reaction during the steaming process, CSB contains
less chemoprotective compounds such as pronyl lysine compared
with the baked bread, but simultaneously less toxic acrylamide and
furan are generated (Zhu, 2014). Meanwhile, the relatively low
steaming temperature during production better preserved the
protein quality of bread ingredients than baked bread (Gotthold
and Kennedy, 1964). Tsen et al. (1977) also suggested that the
steaming process ensures higher availability of lysine which is the
first limiting amino acid in bread and protein efficiency ratio