Use of Corn Husk Meal in the Development of a Functional Diet for Nile tilapia (Oreochromis niloticus) Fingerlings: Effect on Growth Performance, Antioxidant Status and Intestinal Microbiota

Galeana-López, José Andrés; Gómez‐Gil, Bruno; Hernández, Crisantema; Leyva‐López, Nayely; Lizárraga-Velázquez, Cynthia E.; Zenteno‐Savín, Tania

doi:10.1007/s12649-020-01314-9

Cited by 5 publications

(7 citation statements)

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“…The supplementation of hydroxycinnamic acids from corn husk in fish diets exerts antioxidant effects in vitro and in vivo [15,22]. This study identified ferulic (1293.405 mg/100 g) and p-coumaric (573.874 mg/100 g) acids as the most abundant hy-…”

Section: Discussionmentioning

confidence: 83%

“…The control diet was formulated without the CHM addition. Based on the positive antioxidant effect of CHM (25 g/kg feed) in Nile tilapia previously reported [15], a test diet was prepared and supplemented with 25 g of CHM/kg feed. Diets were elaborated as described below: the macronutrients (fish meal, cellulose, cornstarch, and alginate) were mixed in a model AT-200 Hobart mixer (Offenburg, Germany).…”

Section: Diet Preparationmentioning

confidence: 99%

“…The PC concentration of the experimental diets was determined following the methodology used by Galeana-López et al [15]. The result was expressed as mg of gallic acid equivalent (g GAE)/kg feed (Table 3).…”

Section: Chemical Analysis Of Dietsmentioning

confidence: 99%

“…PCs exert their antioxidant effect through the electrons/protons donation that neutralizes ROS or modulates the SOD, CAT, and GPx activities [13,14]. Corn husk is one of the main residues of the corn crop representing a rich source of PCs from the group of hydroxycinnamic acids, such as ferulic and ρ-coumaric acids, which are responsible for the antioxidant potential of corn husk [15,16].…”

Section: Introductionmentioning

confidence: 99%

“…Recent studies have reported that the dietary inclusion of corn husk extract (100 and 200 mg PCs/kg feed) and corn husk meal (25 g/kg feed) as a source of PCs increase the tilapia diet antioxidant capacity, and enhance the hepatic antioxidant response of tilapia cultivated in optimal environmental conditions for the species, respectively [15,21]. However, no studies demonstrate the antioxidant effectiveness of PCs from corn husk in tilapia under oxidative stress induced by inherent conditions of intensive fish production systems, for example, in a low concentration of dissolved oxygen.…”

Section: Introductionmentioning

confidence: 99%

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Corn Husk Phenolics Modulate Hepatic Antioxidant Response in Nile Tilapia (Oreochromis niloticus) Exposed to Hypoxia

et al. 2021

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The hypoxia conditions in intensive farming systems generate oxidative stress related to oxidative damage and mortality of fish. Corn husk meal (CHM), as a source of antioxidants, might modulate the antioxidant response and prevent the damage elicited by hypoxia. This study evaluated CHM’s ability to modulate a hepatic response in Nile tilapia exposed to hypoxia. A control and a test diet supplemented with 25 g CHM/kg feed were formulated. Ninety Nile tilapias (5.09 ± 0.55 g initial weight) were fed for 36 days to evaluate growth, feed efficiency, and hepatic antioxidant response (CAT, catalase; SOD, superoxide dismutase, and GPx, glutathione peroxidase) in normal oxygen conditions (normoxia). After the feeding trial (36 days), fish were exposed to hypoxia (1.5 ± 0.2 mg/L dissolved oxygen), and the hepatic antioxidant response was determined. There was no significant effect of CHM on growth and feed efficiency. The CAT activity was significantly increased in tilapias exposed to hypoxia and fed the test diet compared to the control group exposed to hypoxia. The SOD and GPx activities were unchanged in tilapias in normoxia and hypoxia conditions. Results suggest that CHM dietary supplementation promotes the antioxidant response in Nile tilapia exposed to hypoxia through CAT modulation.

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Section: Discussionmentioning

confidence: 83%

Section: Diet Preparationmentioning

confidence: 99%

Section: Chemical Analysis Of Dietsmentioning

confidence: 99%