醤油の〓に関する研究 : (第3報) 吸着剤および蛋白凝集剤による醤油の二次〓防止について

概要

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Prevention of secondary sediment of shoyu with absorbents and precipitants was investigated.It was observed that a treatment of shoyu with bentonite, acid clay or active carbon had a strong effect on the prevention of the sediment.When shoyu was treated with these absorbents above 80℃, prevention of the secondary sediment could be well expected. But little effect was observed below 70℃.Acid clay absorbed part of the nitrogen compounds and also the colour of shoyu to some extent when it was applied to shoyu above 80℃, but it hardly absorbed free amino acid.From these data, the nitrogen compounds of higher peptides or protein were considered to be adsorbed by acid clay.On the other hand, it hardly adsorbed metal ions such as Fe, Si in shoyu. A very small amount of elution of Al from acid clay into shoyu was observed.
公益社団法人日本生物工学会の論文
1970-10-25