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Process for producing koji and utilization of the koji

Assignee: Kikkoman Corp
•
Filing: 1977-04-26
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Granted: 1978-09-19
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Expires: 1997-04-26
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Abstract

Abstract In a process for producing koji which comprises inoculating a koji mold in a modified koji substrate and cultivating it at a temperature of 20° to 40° C. for a time sufficient to produce koji, the improvement wherein the cultivation is carried out in the presence of 0.05 to 8% by weight, based on the total weight of the unmodified koji substrate, of a sodium or potassium salt of an aliphatic carboxylic acid containing up to 4 carbon atoms. The improved process makes it possible to inhibit bacterial contamination of the cultivation system, and provides good quality koji which exhibits high ratios of nitrogen and sugar utilization in the manufacture of fermented food products such as soy sauce, miso and mirin.

Inventors

  • 👤 Fumio Noda
  • 👤 Keitaro Mogi
  • 👤 Toshio Sakasai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:11
CPC Classifications
A; A23; A23L; A23L27/00; A23L27/50; A23L7/00; A23L7/10; A23L7/104

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 87 words
In a process for producing koji for fermented food products which comprises inoculating a koji mold in a modified koji substrate and cultivating it at a temperature of 20° to 40° C. for a time sufficient to produce koji for fermented food products, the improvement wherein the cultivation is carried out in the presence of 0.05 to 8% by weight, based on the total weight of the unmodified koji substrate, of a sodium or potassium salt of an aliphatic carboxylic acid containing up to 4 carbon atoms.
Claim 2
Dependent Claim 87 words
In a process for producing koji for fermented food products which comprises inoculating a koji mold in a modified koji substrate and cultivating it at a temperature of 20° to 40° C. for a time sufficient to produce koji for fermented food products, the improvement wherein the cultivation is carried out in the presence of 0.05 to 8% by weight, based on the total weight of the unmodified koji substrate, of a sodium or potassium salt of an aliphatic carboxylic acid containing up to 4 carbon atoms.
Claim 3
Dependent Claim 15 words
The process of claim 1 wherein the cultivation is continued for 30 to 100 hours.
Claim 4
Dependent Claim 35 words
The process of claim 1 wherein the amount of the sodium or potassium salt of the aliphatic carboxylic acid is 0.1 to 3% by weight based on the total weight of the unmodified koji substrate.
Claim 5
Dependent Claim 20 words
The process of claim 1 wherein the sodium or potassium salt of the aliphatic acid is sodium or potassium acetate.
Claim 6
Dependent Claim 21 words
The process of claim 1 wherein the sodium or potassium salt of the aliphatic carboxylic acid is sodium or potassium propionate.
Claim 7
Dependent Claim 39 words
The process of claim 1 wherein the koji substrate is selected from the group consisting of soybeans, defatted soybeans, dehulled soybeans, gluten, rice, wheat, wheat bran, barley, oats, corn, fish meal, soy sauce lees, sake lees and rice bran.
Claim 8
Dependent Claim 28 words
The process of claim 1 wherein the sodium or potassium salt of the aliphatic carboxylic acid is present during at least the first half of the cultivation step.
Claim 9
Dependent Claim 17 words
The process of claim 1 wherein the fermented food product is soy sauce, miso, mirin or sake.

References Cited (Backward Citations)

US4028470A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-09-18 1982-03-20 1982-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-09-18 1986-03-20 1986-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-09-18 1990-03-20 1990-09-19 $7700.00 Window Closed / Lapsed

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