竹材に発生する「かび」とその防黴に関する研究(第9報) : モウソウチク材の成分と「かび」の生育について

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1) The solid matters in the extracts of bamboo with cold water were 4.84〜7.86%, and those in the extracts with boiling water were 10.60〜16.03%.2) The amino nitrogen and total nitrogen contained in bamboo were 4.216〜7.783mg/g and 5.651〜9.774 mg/g, and those in its extracts were 0.258〜0.409 mg/g and 0.343〜0.582 mg/g, respectively.The free amino acids in bamboo and in its hydrolyzate with 20% HCl were indentified by paper chromatography. (Table 3).3) Direct reducing sugar contained in bamboo was 0.67〜1.16%, and total sugar was 5.26〜6.33%.The carbohydrates in bamboo were separatred into six fractioins (Fig. 1) and the sugars of each fraction were identified by paper chromatography. (Table 5).4) The molds showed a favorable growth on the extract of bamboo material, and also on the material pulverized in 60〜100 meshes and treated with boiling water. It seems, therefore, that the preventing of bamboo from mildew is not possible by such a simple treatment.
社団法人日本生物工学会の論文
1959-07-15