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Study on the influencing factors and quality control of accuracy of sulfur dioxide detection in preserved fruits
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Mao-Yue KANG1, Man-Ling CHEN2, Hai-Pei ZHU1, Jun SHI1, Lin-Shun XIE1, Li-Ya ZHENG2, *
Journal of Food Safety & Quality | 2025, 16(3) : 276 - 282
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Journal of Food Safety & Quality | 2025, 16(3): 276-282
• Food Analysis and Detection •
Study on the influencing factors and quality control of accuracy of sulfur dioxide detection in preserved fruits
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Mao-Yue KANG1, Man-Ling CHEN2, Hai-Pei ZHU1, Jun SHI1, Lin-Shun XIE1, Li-Ya ZHENG2, *
Affiliations
  • 1. Wenzhou Institute for Food and Drug Control, Wenzhou 325000, China
  • 2. Wenzhou Technical Testing Research Institute for Quality, Wenzhou 325000, China
Published: 2025-02-15 doi: 10.19812/j.cnki.jfsq11-5956/ts.20241204002
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Objective To explore the factors affecting the accuracy of sulfur dioxide detection in preserves and its quality control. Methods Adopt internal quality control measures such as blank experiments, negative matrix testing, negative matrix labeling, quality control sample testing, and personnel parallelism and external quality control to conduct sulfur dioxide testing on preserved fruits. Verifyed the experimental effect with Z value, in depth discussion and analysed of the problems encountered in the process of sulfur dioxide detection and their solutions. Propose technical points for controlling and eliminating experimental deviations. Results The laboratory had passed measurement review and proficiency testing by the series of quality control measures formulated. Conclusion GB 5009.34—2022 National standards for food safety-Determination of sulfur dioxide in food acid-base titration method for detecting sulfur dioxide in food is prone to result deviation. This study proposes the development of various quality control measures, problems encountered during the detection process and their solutions, technical points for controlling and eliminating experimental deviation, which can help improve the accuracy of sulfur dioxide detection, and provide experimental references for other testing institutions to carry out this project.

preserved fruits  /  sulfur dioxide  /  quality control  /  technical points  /  accuracy
Mao-Yue KANG, Man-Ling CHEN, Hai-Pei ZHU, Jun SHI, Lin-Shun XIE, Li-Ya ZHENG. Study on the influencing factors and quality control of accuracy of sulfur dioxide detection in preserved fruits[J]. Journal of Food Safety & Quality, 2025 , 16 (3) : 276 -282 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20241204002
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Year 2025 volume 16 Issue 3
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Article Info
doi: 10.19812/j.cnki.jfsq11-5956/ts.20241204002
  • Receive Date：2024-12-04
  • Online Date：2025-07-21
  • Published：2025-02-15
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  • Received：2024-12-04
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Affiliations
    1. Wenzhou Institute for Food and Drug Control, Wenzhou 325000, China
    2. Wenzhou Technical Testing Research Institute for Quality, Wenzhou 325000, 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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