三种林蛙油内重金属的含量测定及食用安全性评价
为初步了解林蛙油重金属的污染现状,采集东北林蛙、黑龙江林蛙和中国林蛙的林蛙油,以湿法消化法消化,利用荧光比色法测定锡含量、原子吸收法分别检测镉、铬、铜和铅的含量,并采用单因子污染指数及每周可耐受摄入量分别评价5种重金属在3种林蛙油中的污染程度并对其食用安全进行评价。结果表明,该批次样品中东北林蛙蛙油重金属含量分别为锡10~20、镉50~90、铬670~720、铜100~250和铅60~90μg/kg;黑龙江林蛙蛙油重金属含量分别为锡12~22、镉80~110、铬700~820、铜150~250和铅80~100μg/kg;中国林蛙蛙油重金属含量分别为锡2~10、镉30~60、铬590~700、铜...
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| Published in | 野生动物学报 Vol. 38; no. 4; pp. 648 - 653 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
Editorial Department of Chinese Journal of Wildlife
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2310-1490 |
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| Abstract | 为初步了解林蛙油重金属的污染现状,采集东北林蛙、黑龙江林蛙和中国林蛙的林蛙油,以湿法消化法消化,利用荧光比色法测定锡含量、原子吸收法分别检测镉、铬、铜和铅的含量,并采用单因子污染指数及每周可耐受摄入量分别评价5种重金属在3种林蛙油中的污染程度并对其食用安全进行评价。结果表明,该批次样品中东北林蛙蛙油重金属含量分别为锡10~20、镉50~90、铬670~720、铜100~250和铅60~90μg/kg;黑龙江林蛙蛙油重金属含量分别为锡12~22、镉80~110、铬700~820、铜150~250和铅80~100μg/kg;中国林蛙蛙油重金属含量分别为锡2~10、镉30~60、铬590~700、铜800~130和铅30~60μg/kg,5种金属分别在3种林蛙油内的含量差异显著。单因子污染指数结果显示3种林蛙油中锡、铅的含量均未超过轻度污染指数;铬、镉的含量,除中国林蛙蛙油中铬为轻度污染,其余皆为中度污染,根据样本数据可知仅黑龙江林蛙油镉超标40%,其余皆在食品污染物限量国家标准范围之内。根据每周可耐受摄入量评定,其结果显示3种林蛙油的食用风险依次是铬〉镉〉铜〉铅〉锡。因此本批次所检测的林蛙油可食性良好,但仍有必要监测林蛙油中镉、铬的含量。 |
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| AbstractList | 为初步了解林蛙油重金属的污染现状,采集东北林蛙、黑龙江林蛙和中国林蛙的林蛙油,以湿法消化法消化,利用荧光比色法测定锡含量、原子吸收法分别检测镉、铬、铜和铅的含量,并采用单因子污染指数及每周可耐受摄入量分别评价5种重金属在3种林蛙油中的污染程度并对其食用安全进行评价。结果表明,该批次样品中东北林蛙蛙油重金属含量分别为锡10~20、镉50~90、铬670~720、铜100~250和铅60~90μg/kg;黑龙江林蛙蛙油重金属含量分别为锡12~22、镉80~110、铬700~820、铜150~250和铅80~100μg/kg;中国林蛙蛙油重金属含量分别为锡2~10、镉30~60、铬590~700、铜800~130和铅30~60μg/kg,5种金属分别在3种林蛙油内的含量差异显著。单因子污染指数结果显示3种林蛙油中锡、铅的含量均未超过轻度污染指数;铬、镉的含量,除中国林蛙蛙油中铬为轻度污染,其余皆为中度污染,根据样本数据可知仅黑龙江林蛙油镉超标40%,其余皆在食品污染物限量国家标准范围之内。根据每周可耐受摄入量评定,其结果显示3种林蛙油的食用风险依次是铬〉镉〉铜〉铅〉锡。因此本批次所检测的林蛙油可食性良好,但仍有必要监测林蛙油中镉、铬的含量。 为初步了解林蛙油重金属的污染现状,采集东北林蛙、黑龙江林蛙和中国林蛙的林蛙油,以湿法消化法消化,利用荧光比色法测定锡含量、原子吸收法分别检测镉、铬、铜和铅的含量,并采用单因子污染指数及每周可耐受摄入量分别评价5种重金属在3种林蛙油中的污染程度并对其食用安全进行评价。结果表明,该批次样品中东北林蛙蛙油重金属含量分别为锡10～20、镉50～90、铬670～720、铜100～250和铅60～90 μg/kg; 黑龙江林蛙蛙油重金属含量分别为锡12～22、镉80～110、铬700～820、铜150～250和铅80～100 μg/kg; 中国林蛙蛙油重金属含量分别为锡2～10、镉30～60、铬590～700、铜800～130和铅30～60 μg/kg,5种金属分别在3种林蛙油内的含量差异显著。单因子污染指数结果显示3种林蛙油中锡、铅的含量均未超过轻度污染指数; 铬、镉的含量,除中国林蛙蛙油中铬为轻度污染,其余皆为中度污染,根据样本数据可知仅黑龙江林蛙油镉超标40%,其余皆在食品污染物限量国家标准范围之内。根据每周可耐受摄入量评定,其结果显示3种林蛙油的食用风险依次是铬>镉>铜>铅>锡。因此本批次所检测的林蛙油可食性良好,但仍有必要监测林蛙油中镉、铬的含量。 |
| Author | 王静涵;肖向红;柴龙会;王伯驹;徐美瑶;曲俐俐 |
| AuthorAffiliation | 东北林业大学,哈尔滨150040 |
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| Notes | To understand the heavy metals pollution in oviductus ranae（ dried fatty tissues of true frogs） of Rana dybowskii,Rana amurensis and Rana chensinensis,oviductus ranae was collected and digested by a wet digestion method. The Sn content was assayed by the fluorescence colorimetric method. Cd、Cr、Cu and Pb contents were determined by the atomic absorption method.The single-factor pollution index and weekly tolerable intake were used to evaluate the pollution degree of the five heavy metals in three species of oviductus ranae and its safety as a food product. The content of heavy metals in samples from Rana dybowskii were Sn 10-20 μg/kg,Cd 50-90 μg/kg,Cr 670-720 μg/kg,Cu 100-250 μg/kg and Pb 60-90 μg/kg. The content of heavy metals in samples from Rana amurensis were Sn 12-22 μg/kg,Cd 80-110 μg/kg,Cr700-820 μg/kg,Cu 150-250 μg/kg and Pb 80-100 μg/kg. The content of heavy metals in samples from Rana amurensis were Sn 2-10 μg/kg,Cd 30-60 μg/kg,Cr 590-700 μg/kg,Cu800-130 μg/kg,and Pb 30-60 μg/kg. Metal contents diff |
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| SubjectTerms | 东北林蛙 中国林蛙 安全性评价 林蛙油 重金属 黑龙江林蛙 |
| Title | 三种林蛙油内重金属的含量测定及食用安全性评价 |
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