Migration of Specific Elements from Stainless Steel Spoon for Coffee Powder under Reused Condition

WANG Jun, ZHANG Meng-meng, LI Lin-lin, XU Chao, WANG Wei-shan

Packaging Engineering ›› 2021 ›› Issue (5) : 38-44.

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Packaging Engineering ›› 2021 ›› Issue (5) : 38-44. DOI: 10.19554/j.cnki.1001-3563.2021.05.005

Migration of Specific Elements from Stainless Steel Spoon for Coffee Powder under Reused Condition

  • WANG Jun1, ZHANG Meng-meng2, LI Lin-lin3, XU Chao3, WANG Wei-shan3
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Abstract

Reusing is the main characteristic of food-contact stainless steel products. The work aims to study the migration in spoon under reused conditions and in contact with food by taking the stainless steel spoon for coffee powder as an example, so as to provide some references for correctly using stainless steel utensils or making relevant decisions. Inductively coupled plasma mass spectrometer (ICP-MS) was used to study the influence of reused cycles and unsealed time of coffee powder on the migration rules of lead, nickel, chromium, cadmium and arsenic in 3 stainless steel spoons for coffee powder and compare the difference of the migration behaviors of elements under standard conditions and actual conditions. The cumulative migration of elements in the coffee spoon increased significantly with the increasing reused cycles, and slightly increased with the extending coffee unsealed time. The cumulative migration of elements for 1000 reused cycles was 2~3 times of that for 100 repeated cycles. The migration of nickel (exceeding the standard value) could be up to 12 times. In addition, the migration under the standard condition of 4% acetic acid simulated solution was higher than that of 100 reused cycles, but lower than that of 1000 reused cycles. In general, the standard migration condition of stainless steel products is more severe than that of real food contact within a certain range. In daily use, special attention needs to be paid to the potentially accumulated harm when the stainless steel utensils are excessively repeated to contact with the same food.

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WANG Jun, ZHANG Meng-meng, LI Lin-lin, XU Chao, WANG Wei-shan. Migration of Specific Elements from Stainless Steel Spoon for Coffee Powder under Reused Condition[J]. Packaging Engineering. 2021(5): 38-44 https://doi.org/10.19554/j.cnki.1001-3563.2021.05.005
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