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Application of low-field nuclear magnetic resonance 2D fingerprint spectroscopy technology in rapid quality detection of pork floss products
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Yi-Qian HU1, Cheng XU1, Tao HU1, Xi-Yun ZHOU1, Wen-Tao HU2, Xue-Lu WANG1, 3, *, Ye-Feng YAO1, 3, *
Journal of Food Safety & Quality | 2025, 16(12) : 238 - 244
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Journal of Food Safety & Quality | 2025, 16(12): 238-244
• Food Analysis and Detection •
Application of low-field nuclear magnetic resonance 2D fingerprint spectroscopy technology in rapid quality detection of pork floss products
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Yi-Qian HU1, Cheng XU1, Tao HU1, Xi-Yun ZHOU1, Wen-Tao HU2, Xue-Lu WANG1, 3, *, Ye-Feng YAO1, 3, *
Affiliations
  • 1 Shanghai Key Laboratory of Magnetic Resonance, College of Physics and Electronic Science, East China Normal University, Shanghai 200062, China
  • 2 Suzhou Institute for Food Control, Suzhou 215104, China
  • 3 Institute of Magnetic Resonance and Molecular Imaging in Medicine, East China Normal University, Shanghai 200062, China
Published: 2025-06-25 doi: 10.19812/j.cnki.jfsq11-5956/ts.20250121009
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Objective To achieve the identification and rapid detection of commonly found types of meat floss on the market via low-field nuclear magnetic resonance. Methods This study developed a low-field nuclear magnetic resonance two-dimensional relaxation fingerprinting technique suitable for the rapid detection of meat floss product types. Based on the colour discrepancy, different types of meat floss products can be distinguished. Results The developed two-dimensional relaxation fingerprinting technique can quickly and non-destructively distinguish between commonly available pork, chicken, beef, fish, and their mixed meat floss products.With the change in the proportion of different components in meat floss, the fingerprint spectrum shows a significant qualitative trend, effectively reflecting the changes in the proportion of various meats in meat floss, which proves the accuracy of this technology. Conclusion This research method can rapidly, non-destructively and accurately differentiate most types of meat floss on the market, meeting the needs of the food industry and government testing institutions, making it a promising new detection tool with great potential.

low-field nuclear magnetic resonance  /  meat floss product  /  nuclear magnetic resonance fingerprint spectroscopy  /  food safety
Yi-Qian HU, Cheng XU, Tao HU, Xi-Yun ZHOU, Wen-Tao HU, Xue-Lu WANG, Ye-Feng YAO. Application of low-field nuclear magnetic resonance 2D fingerprint spectroscopy technology in rapid quality detection of pork floss products[J]. Journal of Food Safety & Quality, 2025 , 16 (12) : 238 -244 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20250121009
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Year 2025 volume 16 Issue 12
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Article Info
doi: 10.19812/j.cnki.jfsq11-5956/ts.20250121009
  • Receive Date：2025-01-21
  • Online Date：2026-01-13
  • Published：2025-06-25
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  • Received：2025-01-21
Affiliations
    1 Shanghai Key Laboratory of Magnetic Resonance, College of Physics and Electronic Science, East China Normal University, Shanghai 200062, China
    2 Suzhou Institute for Food Control, Suzhou 215104, China
    3 Institute of Magnetic Resonance and Molecular Imaging in Medicine, East China Normal University, Shanghai 200062, 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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