T/HZNM 004-2024 Huozhou New Year's Bun
T/HZNM 004-2024
Basic Information
Scope
Main Technical Content: 3 Terms and Definitions The following terms and definitions apply to this document. Huozhou Nian Mao is a traditional specialty food of Huozhou City, made from wheat flour, drinking water, and red dates, and is fermented with flour for making steamed buns. 4 Varieties The main varieties include round Nian Mao, Denggao, Zao Hua, Shou, Hua, Yu, Tu, Hong Shi (Full Hall Red), Qian Chuanzhi, and Wuxing Zao Hua, totaling 10 varieties. See Figures 1 and 2. 5 Raw Material and Auxiliary Requirements Wheat flour should meet the requirements of GB/T 1355. Drinking water should meet the requirements of GB 5749. Red dates should meet the requirements of GB/T 5835, and Lulin red dates are recommended, with a size of 340 per kg. 6 Technical Requirements Sensory Requirements 6.1.1 Taste and Texture: Soft, with appropriate softness and chewiness, sweet and delicious, featuring the unique taste and aroma of wheat flour after fermentation and steaming. No off-flavors, no raw taste, no stickiness, and no grittiness. 6.1.2 Appearance: Complete in shape, varied in form, plump, smooth, with minor damage or incompleteness of red dates allowed. 6.1.3 Structure: Uniform internal texture with elasticity, spongy, no large pores, local hard lumps, traces of dry flour, or foreign objects. 6.1.4 Impurities: No visible impurities under normal vision. Physical and Chemical Requirements Should meet the requirements of Table 1. Table 1: Physical and Chemical Requirements Project Requirement Water content % pH value ≤ 4 25.6–7.2 Pollutants Should meet the requirements of Table 2. Table 2: Pollutant Requirements Project Requirement Lead (as Pb) mg/kg ≤ 0.2 Microorganisms Should meet the requirements of Table 3. Table 3: Microorganism Requirements Sampling Plan and Limitations n c m M Coliform bacteria CFU/g 5 Mold CFU/g 210 102 Salmonella /25g ≤ 150 50 Staphylococcus aureus CFU/