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Screening of main evaluation indexes and establishment of grading standards for pork quality in Shanghai
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Bo DENG1, Ying-Qing MA1, Rou-Han CHEN1, Yin-Shuang BAI2, Yan ZHANG2, Xiao-Jun YANG1, You LI2, Jin-Bin WANG2, *, Xiu-Ping SHEN1, *
Journal of Food Safety & Quality | 2025, 16(3) : 184 - 194
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Journal of Food Safety & Quality | 2025, 16(3): 184-194
• Special Topic: Comprehensive Utilization and Quality Safety of Agricultural Products •
Screening of main evaluation indexes and establishment of grading standards for pork quality in Shanghai
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Bo DENG1, Ying-Qing MA1, Rou-Han CHEN1, Yin-Shuang BAI2, Yan ZHANG2, Xiao-Jun YANG1, You LI2, Jin-Bin WANG2, *, Xiu-Ping SHEN1, *
Affiliations
  • 1. Shanghai Agricultural Products Quality and Safety Center, Shanghai 201708, China
  • 2. Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
Published: 2025-02-15 doi: 10.19812/j.cnki.jfsq11-5956/ts.20240914006
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Objective To construct a reasonable pork quality evaluation system for pork grading and high quality and high price. Methods In this study, the common Dugong three-dimensional hybrid pigs were used as the control, and the longest back muscles of 7 kinds of pigs from Shanghai were collected for the determination of various indexes such as meat appearance, texture, nutrition and flavor substances, and 13 main evaluation indexes of pork quality in the real estate were determined. In order to further construct the grading standard of Shanghai real estate pork quality, factor analysis, cluster analysis and hierarchical analysis were applied to establish a comprehensive evaluation system. Results Through factor analysis, 7 indicators (moisture content, electrical conductivity, shear force, iron, fat, inosinic acid and aspartic acid) were identified as the main factors among the selected 13 indicators, and their variance contribution rate was as high as 83.829%. Using cluster analysis and chromatographic analysis, 3 different grades of scoring criteria were established according to 7 quality indicators obtained. Conclusion This study establishes a complete pork quality evaluation model and grading criteria in Shanghai, realizes the accurate control of pork quality in Shanghai, and also provides a reference for local pork quality evaluation.

pork  /  cluster analysis  /  hierarchical analysis  /  quality evaluation model  /  grading and scoring criteria
Bo DENG, Ying-Qing MA, Rou-Han CHEN, Yin-Shuang BAI, Yan ZHANG, Xiao-Jun YANG, You LI, Jin-Bin WANG, Xiu-Ping SHEN. Screening of main evaluation indexes and establishment of grading standards for pork quality in Shanghai[J]. Journal of Food Safety & Quality, 2025 , 16 (3) : 184 -194 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20240914006
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Year 2025 volume 16 Issue 3
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Article Info
doi: 10.19812/j.cnki.jfsq11-5956/ts.20240914006
  • Receive Date：2024-09-14
  • Online Date：2025-07-21
  • Published：2025-02-15
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  • Received：2024-09-14
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Affiliations
    1. Shanghai Agricultural Products Quality and Safety Center, Shanghai 201708, China
    2. Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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