中国水产科学
中國水產科學
중국수산과학
Journal of Fishery Sciences of China
2013年
3期
607-613
,共7页
王清云%甘居利%陈海刚%马胜伟%张喆%蔡文贵%贾晓平
王清雲%甘居利%陳海剛%馬勝偉%張喆%蔡文貴%賈曉平
왕청운%감거리%진해강%마성위%장철%채문귀%가효평
牡蛎%HCHs%时空变化%广东沿岸
牡蠣%HCHs%時空變化%廣東沿岸
모려%HCHs%시공변화%엄동연안
Crassostrea rivularis%HCHs%spatial-temporal characteristics%Guangdong coast
于1989—1993和2003—2012年间每年春季采集广东沿岸的近江牡蛎样品(Crassostrea rivularis Gould),用气相色谱法测定其中六六六(HCHs)的含量,并结合1980—1985年广东省海岸带污染调查的相关数据,分析和探讨了广东沿岸牡蛎中六六六(HCHs)的时空分布特征,并评价了其食用风险与生物质量.结果表明,广东沿岸牡蛎体内HCHs含量范围在未检出~42.4 ng/g之间,平均值为(1.70±6.13) ng/g,总体检出率为92.3%.广东沿岸海域牡蛎体内HCHs自20世纪80年代初期禁用六六六以来先快速下降,90年代以后降幅放缓并逐渐趋于平稳,30年间HCHs含量降低至20世纪80年代初期的0.06%.在空间上,80年代初期珠江口岸段HCHs含量远高于粤东和粤西岸段,随着时间的推移,粤西岸段HCHs的含量比逐渐升高,而珠江口的则逐渐降低,三者含量差距缩小.HCHs组分特征分析认为,80年代末期以来,广东沿岸海域牡蛎体内HCHs主要来源于历史使用残留,但在20世纪90年代到21世纪初期期间,广东沿岸地区牡蛎体内HCHs可能源于林丹的使用.评价结果表明,所有样品中HCHs均远低于中国相关残留限量标准,但1989年有75.0%的样品中HCHs超出中国《海洋生物质量》一类标准;通过食用牡蛎,每日HCHs摄入量在0.11~83.62 ng/(kg·d),远低于世界粮农组织(FAO)和世界卫生组织(WHO)规定的每日允许摄入量.
于1989—1993和2003—2012年間每年春季採集廣東沿岸的近江牡蠣樣品(Crassostrea rivularis Gould),用氣相色譜法測定其中六六六(HCHs)的含量,併結閤1980—1985年廣東省海岸帶汙染調查的相關數據,分析和探討瞭廣東沿岸牡蠣中六六六(HCHs)的時空分佈特徵,併評價瞭其食用風險與生物質量.結果錶明,廣東沿岸牡蠣體內HCHs含量範圍在未檢齣~42.4 ng/g之間,平均值為(1.70±6.13) ng/g,總體檢齣率為92.3%.廣東沿岸海域牡蠣體內HCHs自20世紀80年代初期禁用六六六以來先快速下降,90年代以後降幅放緩併逐漸趨于平穩,30年間HCHs含量降低至20世紀80年代初期的0.06%.在空間上,80年代初期珠江口岸段HCHs含量遠高于粵東和粵西岸段,隨著時間的推移,粵西岸段HCHs的含量比逐漸升高,而珠江口的則逐漸降低,三者含量差距縮小.HCHs組分特徵分析認為,80年代末期以來,廣東沿岸海域牡蠣體內HCHs主要來源于歷史使用殘留,但在20世紀90年代到21世紀初期期間,廣東沿岸地區牡蠣體內HCHs可能源于林丹的使用.評價結果錶明,所有樣品中HCHs均遠低于中國相關殘留限量標準,但1989年有75.0%的樣品中HCHs超齣中國《海洋生物質量》一類標準;通過食用牡蠣,每日HCHs攝入量在0.11~83.62 ng/(kg·d),遠低于世界糧農組織(FAO)和世界衛生組織(WHO)規定的每日允許攝入量.
우1989—1993화2003—2012년간매년춘계채집엄동연안적근강모려양품(Crassostrea rivularis Gould),용기상색보법측정기중륙륙륙(HCHs)적함량,병결합1980—1985년광동성해안대오염조사적상관수거,분석화탐토료엄동연안모려중륙륙륙(HCHs)적시공분포특정,병평개료기식용풍험여생물질량.결과표명,엄동연안모려체내HCHs함량범위재미검출~42.4 ng/g지간,평균치위(1.70±6.13) ng/g,총체검출솔위92.3%.엄동연안해역모려체내HCHs자20세기80년대초기금용륙륙륙이래선쾌속하강,90년대이후강폭방완병축점추우평은,30년간HCHs함량강저지20세기80년대초기적0.06%.재공간상,80년대초기주강구안단HCHs함량원고우월동화월서안단,수착시간적추이,월서안단HCHs적함량비축점승고,이주강구적칙축점강저,삼자함량차거축소.HCHs조분특정분석인위,80년대말기이래,엄동연안해역모려체내HCHs주요래원우역사사용잔류,단재20세기90년대도21세기초기기간,엄동연안지구모려체내HCHs가능원우림단적사용.평개결과표명,소유양품중HCHs균원저우중국상관잔류한량표준,단1989년유75.0%적양품중HCHs초출중국《해양생물질량》일류표준;통과식용모려,매일HCHs섭입량재0.11~83.62 ng/(kg·d),원저우세계량농조직(FAO)화세계위생조직(WHO)규정적매일윤허섭입량.
Mussels are often used as sentinel organisms to monitor the presence of environmental contaminants. We measured the hexachlorocyclohexane (HCH) content in the soft tissue of oyster (Crassostrea rivularis Gould) samples collected from the Guangdong coast in 1989-1993 and 2003-2012 using gas chromatography. Using re-lated data taken from the Pollution Investigations Program along Guangdong’s coastal zone during 1980?1985, we analyzed the residue levels, spatial and temporal trends, and composition of HCHs in oysters. In addition, we as-sessed the food safety and biological quality of HCHs in oysters. HCHs were detected in 92.3%of the samples at concentrations ranging from below the limit of detection to 42.4 ng/g(mean: 1.70 ng/g wet weight basis). HCH content has declined over time since the early 1980s, but the rate of decline slowed and levels have remained con-stant since the early 1990s. In general, the HCH content has decreased by 99.94% over the last 30 years. In the early 1980s, the HCH content in oysters in the Pearl River Estuary was much higher than in the East and west Guangdong coasts, but the difference in HCH content between these three coasts has gradually decreased over time. The composition of HCH compounds implies that the HCHs are primarily derived from historical usage, but the lower ratios of α-HCH/γ-HCH (0.53-1.11) indicate that there was likely fresh input of lindane between the 1990s and early 2000s. The HCH residue levels in all oyster samples were far below the maximum residue limit in China, although 75.0%of oyster samples collected in 1989 exceeded the requirement of the first grade of the Na-tional Marine Biological Quality Standard of China (GB18421-2001). The daily intake of HCHs by residents along the Guangdong coast via consumption of seafood products ranged from 0.11 to 83.62 ng/(kg·d), which is much lower than the Acceptable Daily Intake established by the Food and Agriculture Organization of the United Na-tions/World Health Organization.
