Special malt quality evaluation method

A technology for special malt and quality evaluation, applied in measuring devices, testing food, instruments, etc., can solve problems such as inconsistent product quality control standards, inconsistent product classification standards, and inconvenient use by brewers, and achieve accurate evaluation of flavor characteristics, The effect of solving the inconsistency of classification standards and filling the gaps in the industry

Pending Publication Date: 2019-12-20
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

It can be seen that the quality regulations of "Beer Malt" do not match the quality evaluation needs of the market. This situation directly leads to the inconsistency of product quality control standards in various special malt manufacturing industries, and directly leads to inconsistency in the classification standards of products traded and circulated on the market. , The quality is uneven, and there is also the possibility that there may be differences between the types of products purchased by customers and the products that arrive, which brings inconvenience to the brewers and negative impact on the beer brewing industry

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The quality evaluation method of embodiment 1 special malt I (sample 1#)

[0038] Including the following steps:

[0039] S1. Analysis of physical and chemical indicators.

[0040] Analyze the physical and chemical indicators of the quality of sample 1#, which mainly involves chroma, which is consistent with that in "Beer Malt". After analysis, the chromaticity of sample 1# is 290EBC.

[0041] Table 1 Typical specialty malt color ranges are:

[0042]

[0043]

[0044] It can be seen from Table 1 that the chromaticity of sample 1# is in the range of 280-320EBC, and proceed to the next step of analysis of flavor substances.

[0045] S2. Analysis of flavor substances.

[0046] First, headspace-solid-phase microextraction-gas chromatography-mass spectrometry was used to detect the types and contents of flavor substances in various special malts, as shown in Table 2, and the characteristics and rules of flavor substances of various special malts were summarized.

...

Embodiment 2

[0071] The quality evaluation method of embodiment 2 special malt II (sample 2#)

[0072] Including the following steps:

[0073] S1. Analysis of physical and chemical indicators.

[0074] The analysis method is the same as in Example 1. After analysis, the chromaticity of sample 2# is 135EBC. It can be seen from Table 1 that the chroma of sample 1# is within the range of light-colored crystalline malt, and the next step of analysis of flavor substances is continued.

[0075] S2. Analysis of flavor substances.

[0076] Analytical method is with embodiment 1, through testing result such as figure 2 As shown, the flavor substances contained in sample 2# are aldehydes such as isobutyraldehyde, isovaleraldehyde, 2-methylbutyraldehyde, n-hexanal, benzaldehyde, phenylacetaldehyde, and 2-acetylfuran, 5-formaldehyde It contains multiple oxygen-containing heterocyclic compounds such as furyl aldehyde, maltol and pineapple ketone, and does not contain nitrogen-containing heterocycl...

Embodiment 3

[0083] The quality evaluation method of embodiment 3 special malt III (sample 3#)

[0084] Including the following steps:

[0085] S1. Analysis of physical and chemical indicators.

[0086] The analysis method is the same as in Example 1. After analysis, the chromaticity of sample 3# is 140EBC. It can be seen from Table 1 that the chromaticity of sample 3# is in the range of 130-160EBC, and proceed to the next step of analysis of flavor substances.

[0087] S2. Analysis of flavor substances.

[0088] Analytical method is with embodiment 1, through testing result such as figure 2 As shown, the flavor substances contained in sample 3# are isobutyraldehyde, 2-methylbutyraldehyde, isovaleraldehyde, 2-pentylfuran, cocoal, furfural, 2-acetylfuran, benzaldehyde, 5-methyl furan aldehyde, phenylacetaldehyde, 3-furan methanol, 5-methyl-2-furan methanol, phenylethanol, α-ethylene-phenylacetaldehyde, maltol and 2-acetylpyrrole, etc., it can be seen that the sample The types of volat...

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Abstract

The invention discloses a special malt quality evaluation method, which comprises the steps of: S1, physical and chemical index analysis; S2, flavor substance analysis; S3, sensory evaluation; S4, flavor wheel drawing; S5, and comprehensive analysis of conclusions obtained in the above steps, and finally determination of a variety of special malt. The special malt quality evaluation method effectively solves the problems that no unified standard exists in the special malt industry in China at present, product positioning is not clear and the quality is uneven, and can evaluate the quality of the special malt truly and precisely.

Description

technical field [0001] The invention relates to the field of special malt, in particular to a method for evaluating the quality of special malt. Background technique [0002] Since 2016, craft beer has developed rapidly in China, and as one of the important raw materials that can give craft beer individuality and differentiation, the demand for special malt is also increasing. Therefore, special malt is also showing a rapid development trend, and now it has derived many categories. As people pay more attention to special malt, brewing companies have higher requirements for the quality evaluation of special malt. However, at present, there is no specific quality evaluation standard for special malt in China. Only the light industry standard QB / T 1686-2008 "Beer Malt" has made rough and vague requirements for the quality of special malt. [0003] In "Beer Malt", the special malt is roughly classified into caramel malt, dark malt and black malt, and there are three types of r...

Claims

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Application Information

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IPC IPC(8): G01N33/02G01N30/02G01N33/00
CPCG01N30/02G01N33/0001G01N33/02
Inventor 韩中平杨智韩永红
Owner 粤海永顺泰(广州)麦芽有限公司
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