Method for producing concentrated barley juice

A production method and barley technology, which is applied in the production field of concentrated barley wort, can solve the problems of insufficient α-amino nitrogen, large water consumption, and limitation of beer brewing, and achieve the effects of increasing nutrition, improving nutrition, and sufficient hydrolysis

Inactive Publication Date: 2008-03-05
YANTAI UNIV
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Problems solved by technology

At present, the wort used in beer brewing is obtained from high-quality malting barley through a series of industrial processes such as soaking, germination, and drying, and then through processes such as crushing, saccharification, and boiling. This process is generally complicated. , water consumption is large, and the loss of effective substances can reach more than 10%. The more prominent problem is that my country mainly relies on imported high-quality malting barley to meet the needs of brewing. Many problems such as incomplete decomposition of substances
Therefore, the use of domestic common barley as raw materia

Method used

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with specific implementation examples.

[0022] 1. Shelling and peeling: use barley as raw material, and use barley shelling machine to remove the hard skin and other sundries of barley. The shelling rate is required to be 70-90%, and the grain must not be damaged.

[0023] 2. Grinding and pulping: the barley after shelling (5-10% roasted barley can be added) is crushed into a powder below 60 mesh with a hammer mill, and 3-3.5 times of powder is added. The water that meets the food and drinking standards is adjusted to a pH between 6.0 and 6.5 with edible acid and alkali to form a feed liquid, and then the feed liquid is pumped into the pre-hydrolysis tank.

[0024] 3. Pre-hydrolysis: Add 500-1000 grams of compound hydrolase A per ton of powder to the pre-hydrolysis tank, stir evenly, raise the temperature to 45-55°C, and keep for 0.5-1 hour for pre-hydrolysis.

[0025] 4. Jet continuous liq...

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Abstract

The present invention discloses a production method of concentrated barley juice. Said production method uses barley grains as raw material and includes the following steps: selecting grains of barley, peeling, pulverizing and pulping, making prehydrolysis, jetting to make continuous liquification, two-stage saccharification, filtration, concentration and canning. It is characterized by that in the prehydrolysis procedure a composite hydrolase formed from high-temperature resistant alpha-diastase, proteinase and beta-glucanase is added, in the first-stage saccharification procedure a composite hydrolase composed of medium-temperature alpha-diastase, proteinase, beta-glucanase, xylanase and phytase is added and in the second-stage saccharification procedure a composite hydrolase formed from beta-diastase and phytase is added.

Description

technical field [0001] The invention relates to a production method of concentrated barley wort, in particular to a production method of barley wort for beer brewing. Background technique [0002] Concentrated barley wort produced by enzyme engineering technology using barley as raw material (instead of barley malt) is a nutritious and fragrant nutritional syrup that can be widely used in the production and processing of pastries, candies, beverages and other foods. The syrups used in these food industries are all syrups produced with starch as raw material at present, and the ingredients are single (100% starch sugar). [0003] my country's beer production and sales have developed rapidly and become the world's largest production and sales country. At present, the wort used in beer brewing is obtained from high-quality malting barley through a series of industrial processes such as soaking, germination, and drying, and then through processes such as crushing, saccharificat...

Claims

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Application Information

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IPC IPC(8): A23L1/09A23L1/236A23L1/29A23L1/10A23G3/02A23L7/10A23L27/30A23L33/00C12C7/047
Inventor 徐世艾单守水林剑姜爱莉程美科
Owner YANTAI UNIV
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