The authors have shown that, when the Japanese Koji mold,
Aspergillus oryzae is cultivated on the starch pulp (the byproduct in the manufacture of starch from sweet potatoes and potatoes; an annual production of this byproduct amounts to 100, 000 tons in Japan) added with (NH
4)
2 SO
4 through ordinary “Japanese Koii-making process”, it assimilates (NH
4)
2 SO
4-N to the extent of about 98% into its mycelial protein. As the mold protein has been shown to be of high nutritive value
1)2), the procedure must be very promissing method for the synthesis of proteins from inorganic nitrogen.
It is one of the features of the present method that the nitrate-nitrogen is as well utilizable which is not easy in the case of yeasts.
抄録全体を表示