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Abstract Title:

Neuroprotective and antioxidant effects of pitaya fruit on Cu-induced stress in adult zebrafish.

Abstract Source:

J Food Biochem. 2022 Mar 29:e14147. Epub 2022 Mar 29. PMID: 35347737

Abstract Author(s):

Wagner Antonio Tamagno, Wallace Santini, Carla Alves, Ana Paula Vanin, Aline Pompermaier, Denise Bilibio, Nathália Tafarel Sutorillo, Rosilene Rodrigues Kaizer, Leonardo José Gil Barcellos

Article Affiliation:

Wagner Antonio Tamagno

Abstract:

The harmful effects of heavy metals on organisms have not been fully described. At present, there is a close relationship between neurodegenerative diseases and copper toxicity. In addition, the copper effect on the central nervous system is followed by high levels of free radicals in different body tissues. An increase in free radical levels leads to aging-related diseases, resulting in the appearance of senile comorbidities. An increase in the consumption of natural compounds that could help to reduce this dangerous effect on organisms was observed. Pitaya (Hylocereus undatus) is a tropical fruit with great antioxidant potential and can help the organism with oxidative damage. This study evaluated the effect of H. undatus on zebrafish organisms in front of copper-induced toxicity. Therefore, the behavior, cholinergic system, antioxidant enzymes, and ALAD activity were evaluated as biomarkers. Our results highlight the great potential of Pitaya's pulp to reduce the levels of anxiety and aggressivity in fish and reduce cortisol levels. It could mediate the normal response of the cholinergic nervous system, antioxidant enzymes, and ALAD activity. Therefore, our data suggest that pitaya might improve the senile aging. PRACTICAL APPLICATIONS: The potential practical application of this study is related to the neuroprotective effect of the Hylocereus undatus microencapsulated pulp extract against metal-induced impairments. The results have shown that this extract is able to reduce the copper-induced damage modulating the antioxidant system and the cholinergic nervous system. One of the implicated potentials of use for this extract is the food supplementation to its fortification.

Study Type : Animal Study

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