| 摘要 |
PURPOSE:To obtain a good-quality food with high preservability, free from bacterial contamination, by incorporating a food with sterilized water-soluble polysaccharide powder prepared by adding an oxidative microbicide to a water- soluble polysaccharide in a stage from its extraction to drying. CONSTITUTION:Firstly, at any stage from extraction of a water-soluble polysaccharide (e.g. agar-agar, carrageenan) from a water-soluble polysaccharide-contg. material to drying them, an oxidative microbicide (e.g. hydrogen peroxide. sodium hyrochlorite) is added pref. at a level of 50-5000ppm, based on the water- soluble polysaccharide, to the polysaccharide to prepare sterilized water-soluble polysaccharide powder. Subsequently, the powder is added to a food to obtain the objective food. It is preferable that the oxidative microbicide be added in the dehydration process for dehydrating the filtrate resulted from the filtration of the extract liquor. |
