T/HHACA 018-2021 The high-quality agricultural products of Heilongjiang province, Wu Chang Chang Niaohua rice

Scope

Scope: Scope This standard specifies the terms and definitions, geographical area, quality requirements, inspection methods, inspection rules, packaging and labeling, storage and transportation for Wuchang Fragrance Rice. This standard applies to the production, processing, storage, and sales of edible rice products made from Wuchang No. 4 hybrid rice as the raw material. This document does not apply to rice that has been added with additives. Main Technical Content: 6.3 Quality Indicators The quality indicators shall comply with Table 1. Indicator Type Quality Indicator Grade Excellent First Grade Grading Indicator Processing Precision No bran on the back groove, and the proportion of cleaned rice germ and grain surface skin shall be more than 90%. Total broken rice % ≤8 10 Of which, small broken rice % ≤0.1 20 Chalky grain rate % ≤10 15 Tasting score ≥90 85 Imperfect grain % ≤0.3 0.5 Impurity limit Total % ≤0.1 0.1 Bran powder (%) ≤0.02 0.02 Minerals (%) ≤0 Yellow grain content % ≤00.1 Color and odor Normal cooked rice with a fragrant aroma, small stickiness of rice grains, and a crispy and smooth texture of rice grains. Grain shape and size Length × width (mm) 5–6.5 1.8–2.6 Length-width ratio 2.5:1 6.4 Physical and Chemical Indicators Table 2 Physical and Chemical Indicator Items Wuchang Fragrance (Wuchang No. 4 hybrid rice) Amylose content (dry basis) % 15–20 Viscosity, mm ≥70 Protein (dry basis) % ≤8 Water content % ≤15.5

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