T/SAGS 009-2021 Shaanxi Good Grain and Oil - Guanzhong Wheat Flour

Scope

Scope: This document specifies the terms and definitions, classification, quality and safety requirements, inspection methods, inspection rules, labeling and marking, packaging, storage and transportation, and quality traceability information requirements for "Shaanxi Good Grain and Oil Guanzhong Wheat Flour". This document is applicable to commercial wheat flour mainly processed from wheat grown in the Guanzhong region of Shaanxi. Main technical content: By reviewing domestic and international literature and standards, and combining the inspection results of Guanzhong wheat flour samples collected through research, the quality and safety indicators of Shaanxi Good Grain and Oil Guanzhong Wheat Flour are clarified. Quality indicators: - Sand content ≤ 0.01% - Magnetic metal content ≤ 0.002 (g/100g) - Moisture content ≤ 14.5 (g/100g) - Falling number 260s-400s - Normal color and odor - Maximum tensile strength ≥ 300 (90 min) - Extensibility ≥ 150mm (90 min) - High-gluten wheat flour: gluten content ≥ 30% - Medium-gluten wheat flour: gluten content ≥ 28% - Gluten index: high-gluten wheat flour ≥ 80%, medium-gluten wheat flour ≥ 70% - Flour stability time: high-gluten wheat flour ≥ 5.0 min, medium-gluten wheat flour ≥ 3.0 min - Ash content: first-grade high-gluten wheat flour ≤ 0.5 (g/100g), second-grade ≤ 0.7 (g/100g); first-grade medium-gluten wheat flour ≤ 0.5 (g/100g), second-grade ≤ 0.7 (g/100g) - Food scoring value: first-grade high-gluten wheat flour ≥ 90 points, second-grade ≥ 80 points; first-grade medium-gluten wheat flour ≥ 90 points, second-grade ≥ 80 points - Safety index: PN ≤ 0.7

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