KMID : 0903520040470030307
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology 2004 Volume.47 No. 3 p.307 ~ p.314
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Heavy Metal Contents of Canned Seafoods Packed in Oil
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Heu Min-Soo
Kim Jin-Soo
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Abstract
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Specification and heavy metal contents of canned seafoods packed in oil were investigated. 30 species of canned tuna were classified by 4 groups as follow; group (sample codes, 1-10) composed of tuna and oil only, group (11-18) composed of tuna, vegetable and oil, group (19-27) composed of tuna, sauce and oil, and group (28-30) composed of tuna, vegetable, sauce and oil. Commercial canned shellfish packed in oil were mainly produced from sea mussel (sample codes, 31 and 32) and oyster (33-35). Can bodies of canned tuna were made by tin-plate, and used c-enamel or aluminium-paste as coating materials. In pH values of canned tuna, sample codes 1-10 (pH 5.55- 5.69) and 19-27 (pH 5.17-5.85) were higher than sample codes 11-18 (pH 4.95-5.43) and 28-30 (pH 5.20-5.38). There was no difference in salinity (1.3-1.9%) and vacuum degree (15-18 mmHg) among canned samples. Heavy metal contents of canned seafoods ranged from 1.04-9.03 ppm for Sn, and 0.17-0.68 ppm for Pb. Those values are below the permitted range (less than 150 ppm for Sn and 2 ppm for Pb).
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KEYWORD
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canned seafoods, Specification and heavy metal contents of canned seafoods packed in oil were investigated. 30 species ofheavy metal, canned tuna, canned oyster, canned sea mussel
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