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Construction method for black fungus quality monitoring system

A construction method and technology of black fungus, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as affecting operating income, unstable product quality, and extensive production methods.

Inactive Publication Date: 2018-02-02
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, so far, the black fungus industry is generally in a state of confusion between good and bad varieties, lack of good varieties, extensive production methods, unsustainable industries, and unstable product quality affecting operating income. A simple and practical quality monitoring method cannot meet the needs of black fungus production quality assurance

Method used

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  • Construction method for black fungus quality monitoring system
  • Construction method for black fungus quality monitoring system
  • Construction method for black fungus quality monitoring system

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Experimental program
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Effect test

Embodiment 1

[0033] Embodiment 1 Core Quality Index Determination

[0034] In order to construct the monitoring system of black fungus in Northeast China, 5 different varieties of black fungus (variety 1-5) were collected respectively, and the measurable quality indexes of black fungus of each variety were measured, including the fruiting body color index of black fungus (Hunter scale Index L, a, b, melanin color value), structure index (dry-wet ratio, fruiting body thickness, middle layer ratio), texture characteristic index (hardness, elasticity, chewiness, adhesiveness, shear force), water content , water-soluble polysaccharide content, crude protein content, crude fat content, ash content, crude fiber content, carotene content, thiamine content, riboflavin content, niacin content, ascorbic acid content, amino acids (lysine, threonine acid, phenylalanine, methionine, isoleucine, leucine and valine, tyrosine, aspartic acid, serine, glutamic acid, glycine, alanine, histidine, Arginine an...

Embodiment 2

[0042] Embodiment 2 constructs quantitative monitoring system

[0043] There are different dimensions and orders of magnitude in the core quality indicators. In order to eliminate the impact of the different units of the indicators and the large differences between the orders of magnitude, it is necessary to standardize the evaluation indicators.

[0044] First determine the ideal value of each quality index (x 0 Table 1). Among them, amino acid components, water-soluble polysaccharides, crude melanin, and total flavonoids are positive indicators, and the greater the measured value, the better; crude fiber and pectin are neutral indicators; crude fat is a negative indicator, and the smaller the measured value, the better.

[0045] The ideal values ​​of each quality index in Table 1 (unit: mg / g dry weight)

[0046]

[0047] Initialization: In order to eliminate the impact of different dimensions and orders of magnitude on quality evaluation, 17 quality indicators were init...

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Abstract

The invention discloses a construction method for a black fungus quality monitoring system. The method comprises the steps that (1) variation coefficients are utilized to perform preliminary screeningon all black fungus quality indexes capable of being measured, and the quality indexes with the variation coefficients higher than 15% are selected to serve as primary quality indexes; (2) a principal component analysis method is utilized to perform screening and reduction on the primary indexes, and a core quality index is determined; and (3) the core quality index is subjected to initializationprocessing, forward processing and normalization processing, a comprehensive score is calculated after weights of all the indexes are determined, and the quantitative monitoring system is constructed. By use of the method, the quality monitoring system of black fungi can be conveniently constructed, comprehensive quality of the fungi can be quantitatively monitored, and influences of all production links on fungus quality can be grasped.

Description

technical field [0001] The invention relates to the technical field of black fungus production, in particular to a method for constructing a black fungus quality monitoring system. technical background [0002] The production of black fungus (Auricularia auricularis) has a long folk history and strong local characteristics in the Heilongjiang forest area, and is a pillar industry of the forest economy. Heilongjiang Province is the largest black fungus producing area in the country, and its output accounts for 60% of the country. However, so far, the black fungus industry is generally in a state of confusion between good and bad varieties, lack of good varieties, extensive production methods, unsustainable industries, and unstable product quality affecting operating income. Simple and practical quality monitoring methods cannot meet the needs of black fungus production quality assurance. Contents of the invention [0003] In view of this, the object of the present inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 庞秋颖蔺吉祥李紫薇王明川于涛王洋阎秀峰
Owner NORTHEAST FORESTRY UNIVERSITY