Effects of supplementation of α-amylase alone in a model of growing and finishing pigs fed metabolizable energy-reduced diets

Rupolo, Paulo Evaristo; Monteiro, Daniel Pigatto; Ribeiro, Thiago Pereira; de Azevedo, Liliana Bury; Gregory, Cristine Regina; Careli, Pedro Silva; Carvalho, Silvana Teixeira; Paiano, Diovani; Hannas, Melissa Izabel; Nunes, Ricardo Vianna; da Silva, Marcos Augusto Alves; Genova, Jansller Luiz; Carvalho, Paulo Levi de Oliveira

doi:10.1016/j.livsci.2023.105361

Livestock Science

2023

DOI: 10.1016/j.livsci.2023.105361

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Effects of supplementation of α-amylase alone in a model of growing and finishing pigs fed metabolizable energy-reduced diets

Paulo Evaristo Rupolo,

Daniel Pigatto Monteiro,

Thiago Pereira Ribeiro

et al.

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2024

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Cited by 2 publications

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Preparation of sea buckthorn (Hippophae rhamnoides L.) seed meal peptide by mixed fermentation and its effect on volatile compounds and hypoglycemia

Yang,

Hong,

Aihaiti

et al. 2024

Front. Nutr.

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This study employed mixed bacterial strains to ferment seabuckthorn seed meal into peptides, and conducted a comprehensive evaluation of the growth adaptive conditions, molecular weight distribution, volatile compounds, and in vitro hypoglycemic activity required for fermentation. Results showed that when the amount of maltose was 1.1% and MgSO4·7H2O was added at 0.15 g/L, the peptide yield reached 43.85% with a mixed fermentation of Lactobacillus fermentum, Bacillus subtilis, Lactobacillus casei, Lactobacillus rhamnosus, and Lactobacillus acidophilus. Components with a molecular weight below 1 kDa were found to be more effective in inhibiting the activity of α-amylase and α-glucosidase, with the identified sequence being FYLPKM. Finally, SPME/GC–MS results showed that 86 volatile components were detected during the fermentation of seabuckthorn seed meal, including 22 alcohols, 9 acids, 7 ketones, 14 alkanes, 20 esters, and 14 other compounds. With prolonged fermentation time, the content of acids and esters increased significantly.

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Preparation of sea buckthorn (Hippophae rhamnoides L.) seed meal peptide by mixed fermentation and its effect on volatile compounds and hypoglycemia

Yang,

Hong,

Aihaiti

et al. 2024

Front. Nutr.

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Carbohydrases and Phytase in Poultry and Pig Nutrition: A Review beyond the Nutrients and Energy Matrix

Valente Junior,

Genova,

Kim

et al. 2024

Animals

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This review aimed to clarify the mechanisms through which exogenous enzymes (carbohydrases and phytase) influence intestinal health, as well as their effects on the nutrients and energy matrix in diets fed to poultry and pigs reared under sanitary challenging conditions. Enzyme supplementation can positively affect intestinal microbiota, immune system, and enhance antioxidant status. Although enzymes have been shown to save energy and nutrients, their responses under sanitary challenging conditions are poorly documented. Immune system activation alters nutrient partitioning, which can affect the matrix values for exogenous enzymes on commercial farms. Notably, the carbohydrases and phytase supplementation under sanitary challenging conditions align with energy and nutritional valorization matrices. Studies conducted under commercial conditions have shown that matrices containing carbohydrases and phytase can maintain growth performance and health in poultry and pigs. However, these studies have predominantly focused on assessing a single level of reduction in energy and/or available phosphorus and total calcium, limiting our ability to quantify potential energy and nutrient savings in the diet. Future research should delve deeper into determining the extent of energy and nutrient savings and understanding the effects of alone or blended enzymes supplementation to achieve more specific insights.

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Effects of supplementation of α-amylase alone in a model of growing and finishing pigs fed metabolizable energy-reduced diets

Cited by 2 publications

References 56 publications

Preparation of sea buckthorn (Hippophae rhamnoides L.) seed meal peptide by mixed fermentation and its effect on volatile compounds and hypoglycemia

Preparation of sea buckthorn (Hippophae rhamnoides L.) seed meal peptide by mixed fermentation and its effect on volatile compounds and hypoglycemia

Carbohydrases and Phytase in Poultry and Pig Nutrition: A Review beyond the Nutrients and Energy Matrix

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