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Method for conducting near-infrared rapid detection on component content in infant formula rice flour

A detection method and technology for infants and young children, which are applied in measurement devices, analysis materials, material analysis by optical means, etc., can solve the problems of high detection cost, environmental pollution, and long detection cycle, and achieve the effect of simple operation.

Inactive Publication Date: 2016-05-18
INSPECTION & QUARANTINE COMPREHENSIVE TECH CENT JIANGXI ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a near-infrared rapid detection method for the content of ingredients in rice noodles for infants, which solves the problem of high detection costs, long detection cycles, and high detection costs of protein, fat, dietary fiber, moisture and ash in rice noodles for infants in the existing national standard method. The use of chemical reagents causes environmental pollution and other problems

Method used

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  • Method for conducting near-infrared rapid detection on component content in infant formula rice flour
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  • Method for conducting near-infrared rapid detection on component content in infant formula rice flour

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Embodiment 1

[0021] In the embodiment of the present invention, a near-infrared rapid detection method for protein content in rice noodles for infants and young children:

[0022] (1) The parameters of the sample thicknesses of 2mm, 3mm, 4mm, 5mm and 6mm were compared, and 4mm was determined to be the best sample thickness;

[0023] (2) Comparison resolution 4cm -1 、8cm -1 With sampling times 16, 32, 64, the final selection resolution is 8cm -1 32 scan times are the best acquisition parameters for this experiment. After determining the test parameters, the sample spectra are collected, and each sample is reloaded three times to collect near-infrared spectra;

[0024] (3) Use the protein content in rice noodles for infants and young children determined by the national standard method as the chemical index value required for the establishment of the near-infrared analysis model;

[0025] (4) Compare different preprocessing methods and modeling bands, and finally choose the preprocessing m...

Embodiment 2

[0031] In the embodiment of the present invention, a near-infrared rapid detection method of dietary fiber content in rice noodles for infants and young children:

[0032] (1) The parameters of the sample thicknesses of 2mm, 3mm, 4mm, 5mm and 6mm were compared, and 4mm was determined to be the best sample thickness;

[0033] (2) Comparison resolution 4cm -1 、8cm -1 With sampling times 16, 32, 64, the final selection resolution is 8cm -1 32 scan times are the best acquisition parameters for this experiment. After determining the test parameters, the sample spectra are collected, and each sample is reloaded three times to collect near-infrared spectra;

[0034] (3) Use the dietary fiber content in rice noodles for infants and young children determined by the national standard method as the chemical index value required for the establishment of the near-infrared analysis model;

[0035] (4) Compare different preprocessing methods and modeling bands, and finally choose the norm...

Embodiment 3

[0041] In the embodiment of the present invention, a near-infrared rapid detection method of ash content in rice noodles for infants and young children:

[0042] (1) The parameters of the sample thicknesses of 2mm, 3mm, 4mm, 5mm and 6mm were compared, and 4mm was determined to be the best sample thickness;

[0043] (2) Comparison resolution 4cm -1 、8cm -1 With sampling times 16, 32, 64, the final selection resolution is 8cm -1 32 scan times are the best acquisition parameters for this experiment. After determining the test parameters, the sample spectra are collected, and each sample is reloaded three times to collect near-infrared spectra;

[0044] (3) Use the ash content in rice noodles for infants and young children determined by the national standard method as the chemical index value required for the establishment of the near-infrared analysis model;

[0045] (4) Compare different preprocessing methods and modeling bands, and finally choose the normalized preprocessing...

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Abstract

The invention discloses a method for conducting near-infrared rapid detection on the component content in infant formula rice flour. The components include protein, fat, dietary fibers, water and ash, and infant formula rice flour samples are collected, sorted and numbered; parameters capable of influencing near-infrared spectrums of the samples are optimized, the optimal parameters are determined, the sample spectrums are collected, and the calculated average value of near-infrared spectrum data is obtained; a partial least square method is utilized in combination with the component content in the samples measured through a standard determining method; then selection of the optimal pretreatment method and the modeling wave band is conducted; near-infrared analysis model of the protein, the fat, the dietary fibers, the water and the ash in the infant formula rice flour are established respectively; the component content in the samples of the infant formula rice flour to be detected is predicated. According to the method, pretreatment and chemical reagent are not needed, the method is easy to operate, efficient and environmentally friendly, the predicated results meet the requirement for the precision of the standard determining method, and obvious difference does not exist in statistic and analysis results.

Description

technical field [0001] The invention relates to the technical field of rapid food detection, in particular to a near-infrared rapid detection method for ingredient content in rice noodles for infants and young children. Background technique [0002] Infant formula rice flour is one of the main food and nutrition sources for infants and young children other than breast milk and milk powder. Formula rice noodles are divided into stages, and the nutrients contained in different stages are also different. Children in infancy and toddlerhood are growing and developing, their stomach capacity is not large, and every meal is to meet the needs of growth. Moreover, the food that infants and young children can eat is also limited, especially for children who have just added complementary foods, baby rice noodles may be the only food for children besides milk. [0003] The national standard method for the determination of protein, fat, dietary fiber, moisture and ash in rice noodles ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/359G01N21/3563
CPCG01N21/359G01N21/3563
Inventor 耿响刘秀红石磊
Owner INSPECTION & QUARANTINE COMPREHENSIVE TECH CENT JIANGXI ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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