Caenorhabditis elegans to Model the Capacity of Ascorbic Acid to Reduce Acute Nitrite Toxicity under Different Feed Conditions: Multivariate Analytics on Behavioral Imaging

Samuel Verdu, Alberto J. Perez, Conrado Carrascosa, José M. Barat, Pau Talens and Raúl Grau
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Samuel Verdu: Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain
Alberto J. Perez: Departamento de Informática de Sistemas y Computadores, Universidat Politècnica de València, 46022 Valencia, Spain
Conrado Carrascosa: Department of Animal Pathology and Production, Bromatology and Food Technology, Faculty of Veterinary, Universidad de Las Palmas de Gran Canaria, Arucas, 35413 Las Palmas, Spain
José M. Barat: Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain
Pau Talens: Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain
Raúl Grau: Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain

IJERPH, 2021, vol. 18, issue 4, 1-14

Abstract: Nitrocompounds are present in the environment and human diet and form part of vegetables and processed meat products as additives. These compounds are related to negative impacts on human and animal health. The protective effect of ascorbic acid has been demonstrated by some biological systems as regards several nitrocompounds. This work focused on studying the possibility of modeling this effect on nitrite toxicity with the model Caenorhabditis elegans . The three factors studied in this work were ascorbic acid concentration, nitrite exposure concentration, and presence/absence of food. The protective effect was evaluated by scoring lethality and its impact on behavior by means of multivariate statistical methods and imaging analytics. The effects of nitrite and the influence of food availability were evidenced. Apart from increasing lethality, nitrite had disruption effects on movements. All the observed symptoms reduced when ascorbic acid was administered, and it diminished lethality in all cases. Ascorbic acid maintained nematodes’ postural capacities. The results suggest that nitrites’ nonspecific toxicity in C. elegans can be mitigated by ascorbic acid, as previously evidenced in other biological systems. Thus, our results reveal the ability of C. elegans to reproduce the known protective effect of ascorbic acid against nitrite.

Keywords: C. elegans; ascorbic acid; nitrite; behavior imaging; protective effect; multivariate analytics (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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