Amylogram of Aqueous Agar Solution

Abstract

Amylograph measurements were applied for the aqueous agar solutions, which traced viscosity changes with increasing and decreasing temperatures. In the most usual performances, the following conditions were applied; agar solution around 4% concentration level, rotation speed of 75 rpm and dissolving temperature 95°C. For 16 kinds of commercial agar, the apparent gelation temperatures which were graphically obtained from the resultant amylograms were proportional to the values of water holding capacity which were obtained by the previously described method. Some other factors which probably relate with gelation of agar were investigated.