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首页> 外文期刊>International Journal of Environmental Research and Public Health >An Eco-Safety Assessment of Glyoxal-Containing Cellulose Ether on Freeze-Dried Microbial Strain, Cyanobacteria, Daphnia , and Zebrafish
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An Eco-Safety Assessment of Glyoxal-Containing Cellulose Ether on Freeze-Dried Microbial Strain, Cyanobacteria, Daphnia , and Zebrafish

机译：含乙二醛的纤维素醚对冷冻干燥的微生物菌株，蓝细菌，水蚤和斑马鱼的生态安全性评估

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The objective of this study was to investigate the aquatic-toxic effects of glyoxal-containing cellulose ether with four different glyoxal concentrations (0%, 1.4%, 2.3%, and 6.3%) in response to global chemical regulations, e.g., European Union Classification, Labeling and Packaging (EU CLP). Toxicity tests of glyoxal-containing cellulose ether on 11 different microbial strains, Microcystis aeruginosa , Daphnia magna , and zebrafish embryos were designed as an initial stage of toxicity screening and performed in accordance with standardized toxicity test guidelines. Glyoxal-containing cellulose ether showed no significant toxic effects in the toxicity tests of the 11 freeze-dried microbial strains, Daphnia magna , and zebrafish embryos. Alternatively, 6.3% glyoxal-containing cellulose ether led to a more than 60% reduction in Microcystis aeruginosa growth after 7 days of exposure. Approximately 10% of the developmental abnormalities (e.g., bent spine) in zebrafish embryos were also observed in the group exposed to 6.3% glyoxal-containing cellulose ether after 6 days of exposure. These results show that 6.3% less glyoxal-containing cellulose ether has no acute toxic effects on aquatic organisms. However, 6.3% less glyoxal-containing cellulose ether may affect the health of aquatic organisms with long-term exposure. In order to better evaluate the eco-safety of cellulosic products containing glyoxal, further studies regarding the toxic effects of glyoxal-containing cellulose ether with long-term exposure are required. The results from this study allow us to evaluate the aquatic-toxic effects of glyoxal-containing cellulosic products, under EU chemical regulations, on the health of aquatic organisms.
机译：这项研究的目的是针对全球化学法规，例如欧盟分类，研究四种不同乙二醛浓度（0％，1.4％，2.3％和6.3％）的含乙二醛的纤维素醚的水生毒性作用。 ，标签和包装（EU CLP）。含乙二醛的纤维素醚对11种不同微生物菌株，铜绿微囊藻，水蚤和斑马鱼胚胎的毒性测试被设计为毒性筛选的初始阶段，并根据标准化毒性测试指南进行。含乙二醛的纤维素醚在11种冻干微生物菌株Daphnia magna和斑马鱼胚胎的毒性试验中没有显示出明显的毒性作用。或者，在暴露7天后，含6.3％乙二醛的纤维素醚可使铜绿微囊藻的生长减少60％以上。暴露6天后，在暴露于6.3％含乙二醛的纤维素醚的组中，斑马鱼胚胎中约有10％的发育异常（例如，脊柱弯曲）。这些结果表明，少含6.3％乙二醛的纤维素醚对水生生物没有急性毒性作用。但是，含乙二醛的纤维素醚减少6.3％可能会影响长期接触的水生生物的健康。为了更好地评估含乙二醛的纤维素产品的生态安全性，需要进一步研究含乙二醛的纤维素醚长期暴露的毒性作用。这项研究的结果使我们能够根据欧盟化学法规评估含乙二醛的纤维素产品对水生生物健康的水生毒性作用。

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