<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the bioethanol industry, per liter of the produced alcohol 9 to 14 liters of vinasse are obtained as a byproduct. If the vinasse is directly shed into bodies of water without an adequate treatment, it may have negative effects on the existing biota and human health due to its high turbidity and color, low pH and high content of organic material. The purpose of this study was to assess the acute toxicity of vinasse by means of a rapid test with <italic>Aliivibrio fischeri</italic> and compare it with a standard immobilization assay with <italic>Daphnia magna</italic>. The standard assay of <italic>D. magna</italic> by means of its EC<sub>50</sub> of 4.7% showed that organism was more sensitive to the contaminant, in comparison with the 69.6% obtained with the A. fischeri which suggests that it should be continuesly used as one of the organisms of first choice for the evaluation of the acute toxicity of this effluent.</p></abstract>

In the bioethanol industry, per liter of the produced alcohol 9 to 14 liters of vinasse are obtained as a byproduct. If the vinasse is directly shed into bodies of water without an adequate treatment, it may have negative effects on the existing biota and human health due to its high turbidity and color, low pH and high content of organic material. The purpose of this study was to assess the acute toxicity of vinasse by means of a rapid test with Aliivibrio fischeri and compare it with a standard immobilization assay with Daphnia magna. The standard assay of D. magna by means of its EC50 of 4.7% showed that organism was more sensitive to the contaminant, in comparison with the 69.6% obtained with the A. fischeri which suggests that it should be continuesly used as one of the organisms of first choice for the evaluation of the acute toxicity of this effluent.

Evaluation of acute toxicity of vinasse by means of <italic>Daphnia magna</italic> and <italic>Aliivibrio fischeri</italic>: a comparative study

Interdisciplinary Toxicology

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Evaluation of acute toxicity of vinasse by means of  and : a comparative study

In the bioethanol industry, per liter of the produced alcohol 9 to 14 liters of vinasse are obtained as a byproduct. If the vinasse is directly shed into...

Evaluation of acute toxicity of vinasse by means of Daphnia magna and Aliivibrio fischeri: a comparative study

Published Online: Feb 20, 2020

Page range: 143 - 148

Received: Sep 03, 2018

Accepted: Aug 24, 2019

DOI: https://doi.org/10.2478/intox-2019-0017

Keywords
wastewater distillery, bioindicators, water fleas, luminescent bacteria

© 2019 Möritz Velásquez-Riaño et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Evaluation of acute toxicity of vinasse by means of Daphnia magna and Aliivibrio fischeri: a comparative study

Published Online: Feb 20, 2020

Page range: 143 - 148

Received: Sep 03, 2018

Accepted: Aug 24, 2019

DOI: https://doi.org/10.2478/intox-2019-0017

Keywordswastewater distillery, bioindicators, water fleas, luminescent bacteria

© 2019 Möritz Velásquez-Riaño et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
wastewater distillery, bioindicators, water fleas, luminescent bacteria