Six fermented samples were taken randomly, and were spread on a polythene sheet in a room at 30–40 ํC, dried
for 6 days up to about 900 g/kg of the dry matter, and ground to pass through a 0.15-mm sieve. The changes of the ingredients before and after the fermentation are shown in Table 1. Repetitious examination showed that the proportion of components in polysavone was constant within a minute range