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KMID : 1007520210300081025
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Food Science and Biotechnology
2021 Volume.30 No. 8 p.1025 ~ p.1031
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Phosphine residues and physicochemical stability of Hwangtae after fumigation
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Shin Hye-Young
An Ji-Seop
Lee Ji-Min
You Sang-Guan
Shin Il-Shik
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Abstract
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This study detected phosphine residues and the qualitative effect of phosphine fumigation on Hwangtae (yellowish-dried Alaska pollock). Four types of Hwangtae products commercially purchased were investigated to assess phosphine residue. Hwangtae was fumigated at both laboratory scale, at an aluminum phosphide rate of 33.6 g/m3, and large scale (1.68 g/m3) to evaluate phosphine residue and dissipation. Further, nutritional composition analyses between pre- and post-fumigated Hwangtae were conducted. The concentration of phosphine residues was lower than the detection limit (0.005 mg/kg) in all Hwangtae products. After fumigation in laboratory scale, phosphine residue was 2.47 mg/kg, and after fumigation in large scale, the residue was 3.25 mg/kg. After 3-d aeration in the open air, there was no residue detected from fumigated Hwangtae. Nutritional composition, including proximate, mineral, and amino acid compositions, did not differ (P?>?0.05) between pre- and post-fumigated Hwangtae. Overall, Hwangtae did not demonstrate a phosphine residue problem after the proper aeration process, and phosphine did not alter the nutritional composition, suggesting the use of phosphine as a fumigant to protect Hwangtae from insect pests.
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KEYWORD
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Hwangtae, Fumigation, Aluminum phosphide, Phosphine, Residue
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