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A rapid method for predicting the malting process of malting barley

A barley and beer technology, applied in the field of rapid prediction of beer barley malting process, can solve the problems of poor malt index and loss of feeding

Active Publication Date: 2021-05-04
粤海永顺泰(广州)麦芽有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This requires a very high level of experience for the maltist, which often results in poor malt indicators in the first two batches, resulting in greater losses

Method used

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  • A rapid method for predicting the malting process of malting barley
  • A rapid method for predicting the malting process of malting barley
  • A rapid method for predicting the malting process of malting barley

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Rapid Prediction of Malting Technology of Barley Variety A

[0031] 1. Pretreatment

[0032] Simulate large-scale production roughing system to remove dust, straw, side stones and other foreign matters from barley; simulate large-scale production selection system to complete grading, remove oats, damaged kernels and other foreign objects, barley purity reaches 99.5%; use EBC sample divider to separate samples Divide to 10g each.

[0033] 2. Germination

[0034] The pretreated barley samples were evenly distributed in a covered container with a diameter of 10 cm and a height of 2 cm. Three layers of filter paper or gauze were laid in the container, and 20 mL of water was added. Place the vessel in an environment of 20°C for 24 hours to germinate and become green malt.

[0035] 3. Detection of gibberellic acid content

[0036] Select 10 g of germinated green malt samples, extract by ultrasonication and vibration at 20°C for 30 min in an extract with acetonitrile-water...

Embodiment 2

[0040] Rapid Prediction of Malting Technology of Barley Variety B

[0041] 1. Pretreatment

[0042] Simulate large-scale production roughing system to remove dust, straw, side stones and other foreign matters from barley; simulate large-scale production selection system to complete grading, remove oats, damaged kernels and other foreign objects, barley purity reaches 99.5%; use EBC sample divider to separate samples Divide to 20g each.

[0043] 2. Germination

[0044]The pretreated barley samples were evenly distributed in a covered container with a diameter of 10 cm and a height of 4 cm. Three layers of filter paper and gauze were placed in the container, and 30 mL of water was added. The vessel is placed in an environment of 30°C for 36 hours to germinate and become green malt.

[0045] 3. Detection of gibberellic acid content

[0046] Select 20 g of germinated green malt samples, extract by ultrasonication and vibration at 20°C for 40 minutes in an extract with acetonit...

Embodiment 3

[0050] Rapid Prediction of Malting Technology of Barley Variety C

[0051] 1. Pretreatment

[0052] Simulate large-scale production roughing system to remove dust, straw, side stones and other foreign matters from barley; simulate large-scale production selection system to complete grading, remove oats, damaged kernels and other foreign objects, barley purity reaches 99.5%; use EBC sample divider to separate samples Divide to 30g each.

[0053] 2. Germination

[0054] The pretreated barley samples were evenly distributed in a covered container with a diameter of 15 cm and a height of 2 cm. Four layers of filter paper or gauze were laid in the container, and 40 mL of water was added. The container is placed in an environment of 30° C. for 48 hours to germinate and become green malt.

[0055] 3. Detection of gibberellic acid content

[0056] Select 30 g of germinated green malt samples, extract by ultrasonication and vibration at 20°C for 60 min in an extract with acetonitri...

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Abstract

The invention proposes a method for quickly predicting malting process of malting barley. After pretreatment of malting barley, green malt and malt, the content of endogenous gibberellic acid was detected by liquid chromatography-mass spectrometry. The corresponding relationship between the content of endogenous gibberellic acid and the malting process of various malting barley and its green malt was collected, and a database was established. According to the detection results of endogenous gibberellic acid of the new variety of malting barley, it corresponds to the malting process in the database, so as to quickly predict the malting process of the new variety of malting barley. The method for predicting the malting process of malting barley provided by the invention can greatly shorten the time for determining the malting process and save costs.

Description

technical field [0001] The invention belongs to the field of beer brewing, and in particular relates to a method for rapidly predicting the malting process of malting barley. Background technique [0002] As one of the main raw materials of beer, the preparation of beer malt is a process of breaking the dormancy of beer barley seeds and then germinating and growing by regulating the five elements of water, temperature, time, oxygen and additives. The technological process is simple, but the functions of the five elements are complex, which not only have their own unique functions, but also influence each other. Different varieties, different wheat seasons of the same variety, and malting barley from different production areas have different requirements for these five elements. During the malting process, the malting master needs to constantly adjust these five elements according to the characteristics of the variety and the performance of malting, and balance the various p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/88
CPCG01N30/88
Inventor 黄紫燕杨智李珍珍韩永红张琳
Owner 粤海永顺泰(广州)麦芽有限公司