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유통 연체류와 갑각류에서의 카드뮴. 수은. 납 함유량 조사

(Survey on Concentration of Heavy Metals(Cd, Pb and Hg) in Commercial Crustacea and Mollusca

한창호 · 김지민 · 이인숙* · 장민수 · 이혜진 · 김무상

서울시보건환경연구원 강남농수산물검사소*

*Corresponding author: every@seoul.go.kr

Abstract

In this study, We detected concentration of heavy metals in 129 commercial fishery collected in Seoul from Jan to Sep in 2017.

We aimed to survey on concentration of Cd, Pb and Hg in Commercial Crustacea, Mollusca and seaweed. Samples were measured using inductively coupled plasma-optical emission spectrometry(ICP-OES) and Direct Mercury analyzer(DMA 80).

The mean of Cd concentrations for 12 Crustacea samples showed  0.34 mg/kg(±0.19 mg/kg), 58 Cephalopoda samples showed 0.21 mg/kg(±0.30 mg/kg), 47 shellfish samples showed 0.23 mg/kg(±0.28 mg/kg), and 9 Urochordata samples showed 0.08 mg/kg(±0.05 mg/kg). According to this survey, each average Concentration of Cd showed as followed ; [ Octopus variabilis(0.03 mg/kg), Amygdala Philippinarum(0.09 mg/kg), Sepioteuthis sepioidea(0.13 mg/kg), Portunus trituberculatus (0.34 mg/kg), and Amphioctopus fangsiao(0.58 mg/kg)]. The mean of Pb concentrations for 12 Crustaceas and 47 shellfish showed 0.73 mg/kg(±0.14 mg/kg). Concentration of Hg in sea algae showed very low(0.00~0.01 mg/kg).  This result implies that concentrations of Cd, Pb and Hg in commercial Crustacea and Mollusca in Seoul were at a level acceptable for public consumption compare with the safety standards established by the FOOD CODE(KFDA).

Key words: Heavy metals, ICP-OES, Direct Mercury analyzer, Fishery