Food or edible material: processes – compositions – and products – Fermentation processes – Alcoholic beverage production or treatment to result in...
Patent
1987-02-02
1989-02-28
Cintins, Marianne
Food or edible material: processes, compositions, and products
Fermentation processes
Alcoholic beverage production or treatment to result in...
426 11, 426 17, 426 29, C12G 100, C12J 102
Patent
active
048084190
ABSTRACT:
A process for the preparation of rice wine or vinegar especially to an improved procedure for preparing a vinegar, having the attributes of ancient quality, labor intensive and multi-year jar prepared rice vinegar. A single, autoclave fermenter is used for carrying out process steps including rice washing, soaking, cooking, liquification and saccharification, in order to produce a rice vinegar mash that initially contains a minimum of 30% starch. Ethanol fermentation is also carries out in the same vessel at a relatively high temperature to yield a wine product with an ethanol concentration of at least 18% and an amino acid concentration of at least 1.0%. The relatively high amino acid content of the wine causes the subsequently produced vinegar to be exceptionally smooth and mild. The rice mash is prepared by mixing cooked rice with alpha-amylase, elevating the temperature to liquify the rice, and then raising the temperature to about 121.degree. C. to more completely gelatinize, liquify and sterilize the rice; the mash is then cooled to about 85.degree. C. and a second batch of alpha-amylase is added. Aspergillus oryzae grown on wheat to produce a wheat koji is employed to impart a distinct flavor, aroma and umani to the mash.
REFERENCES:
patent: 4028470 (1977-06-01), Hayashi et al.
patent: 4117169 (1978-09-01), Noda et al.
patent: 4308284 (1981-12-01), Noda et al.
patent: 4358462 (1982-11-01), Takeda
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