Technology process for ageing brewing spirit by grains
A process method and technology of liquor, which is applied in the fields of wine brewing and grain liquor aging technology, can solve the problems of occupying too many wine storage containers, taking too long, and high cost, so as to speed up the aging speed, reduce the quantity, and speed up the aging process. The effect of running speed
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Embodiment 1
[0010] Embodiment 1: the newly processed oak chips are pretreated, preferably oak flakes (thin blocks), with a thickness less than 10 mm, which is conducive to the stripping of natural chemical components in the oak. Put NaHCO first 3 (1-3%) or 0.06N NaOH solution for two weeks, rinse with clean water, put in 3% acetic acid or 5% citric acid solution for two weeks, and then rinse with water with hardness below 8 degrees clean. Put the pretreated oak chips (blocks) into the container with 42° Luzhou-flavor grain liquor Gaogou Daqu original wine, the weight ratio of oak to wine is 0.5-10%, and age at normal temperature in natural environment After three months, its OD value, ethyl hexanoate, and methanol content were measured, and all improved, with slightly brown appearance and fine and smooth taste. The oak chips in the wine are removed, then filtered, bottled and put on the market.
Embodiment 2
[0011] Embodiment 2: the newly processed oak chips are pretreated, preferably oak flakes (thin blocks), with a thickness less than 10 mm, which is conducive to the stripping of natural chemical components in the oak. Put NaHCO first 3 (1-3%) or 0.06N NaOH solution for two weeks, rinse with clean water, put in 3% acetic acid or 5% citric acid solution for two weeks, and then rinse with water with hardness below 8 degrees clean. Put the pretreated oak chips (blocks) into a container containing 42° Luzhou-flavor grain liquor Gaogou Daqu original wine, the weight ratio of oak to wine is 0.5-10%, and age at a low temperature of 3°C for one week , then aged at a high temperature of 55°C for one week. After repeated two rounds, the OD value was significantly increased, and the content of ethyl hexanoate and methanol was greatly improved. The appearance was crystal clear brown, and the taste was more delicate. . The oak chips in the wine are removed, then filtered, bottled and put ...
Embodiment 3
[0012] Embodiment 3: the newly processed oak chips are pretreated, preferably oak flakes (thin blocks), with a thickness less than 10 mm, which is conducive to the stripping of natural chemical components in the oak. Put NaHCO first 3 (1-3%) or 0.06N NaOH solution for two weeks, rinse with clean water, put in 3% acetic acid or 5% citric acid solution for two weeks, and then rinse with water with hardness below 8 degrees clean. Put the pretreated oak chips into two groups of the same amount of three groups of 42-degree Yanghe Daqu liquor at the same time and in equal amounts respectively (leave a control group without adding oak chips, and put them in the natural environment at room temperature). A group of aging treatment at room temperature, aged for three months in a natural environment at room temperature; another group of aging treatment at variable temperature, first aged at a low temperature of 3°C for one week, and then aged at a high temperature of 55°C for one week ...
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