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GB/T 35866-2018: Inspection of grain and oils -- Determination of solvent retention capacity of wheat flour
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Inspection of grain and oils -- Determination of solvent retention capacity of wheat flour
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GB/T 35866-2018
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Basic data | Standard ID | GB/T 35866-2018 (GB/T35866-2018) | | Description (Translated English) | Inspection of grain and oils -- Determination of solvent retention capacity of wheat flour | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | X11 | | Classification of International Standard | 67.060 | | Word Count Estimation | 10,197 | | Date of Issue | 2018-02-06 | | Date of Implementation | 2018-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 35866-2018: Inspection of grain and oils -- Determination of solvent retention capacity of wheat flour
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Inspection of grain and oils - Determination of solvent retention capacity of wheat flour
ICS 67.060
X11
National Standards of People's Republic of China
Inspection of grain and oil - Determination of solvent retention of wheat flour
2018-02-06 released
2018-09-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard proposed by the State Food Administration.
This standard by the National Cereals and Oils Standardization Technical Committee (SAC/TC270) centralized.
This standard was drafted. Institute of Crop Science, Chinese Academy of Agricultural Sciences.
The main drafters of this standard. Zhang Yan, Zhang Pingping, where the tiger.
Inspection of grain and oil - Determination of solvent retention of wheat flour
1 Scope
This standard specifies the principle of wheat powder solvent retention constant determination and trace determination, reagents and solutions, equipment, analysis steps, knot
Fruit calculation, precision and test report.
The first method of this standard applies to the determination of wheat flour solvent retention; the second method is suitable for the early breeding of wheat flour in the solvent retention
Determination.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 5009.3 National Food Safety Standard Determination of moisture in food
GB/T 6682 analytical laboratory water specifications and test methods
NY/T 1094.2 Wheat Experimental Milling - Part 2. Bühler Method for Hard Wheat
NY/T 1094.4 Wheat Experimental Milling - Part 4. Buhler's Method for Soft Wheat Extract
NY/T 1094.5 Wheat Experimental Flour Part 5. Brabender Quadruple Jr. (Quadruplex) Experimental Mill Method
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Solvent retention solvent; SRC
Wheat flour in a certain amount of centrifugal force can maintain the amount of solvent. Expressed as a percentage (%).
Note. expressed as a percentage of the solvent retained by wheat flour with a moisture content of 14% (mass fraction).
4 constant method
4.1 principle
Wheat flour, respectively, and deionized water, 50% (mass fraction) sucrose solution, 5% (mass fraction) sodium carbonate solution and 5% (mass fraction)
Lactic acid solution after mixing fully swollen, centrifuged, measuring the amount of wheat flour to maintain the solvent. Water solvent retention can reflect all components of wheat flour
Properties; sucrose solvent retention can reflect the pentose content of wheat flour and gliadin properties; sodium carbonate solvent retention can reflect the wheat flour
The degree of damage of the particles; lactic acid solvent retention can reflect the gluten characteristics of wheat flour.
4.2 Reagents and solutions
4.2.1 Unless otherwise specified, only the reagents identified as analytically pure and the isolates that meet the Grade III water requirements of GB/T 6682 are used in the analysis
Water.
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