Publisher Summary Soybean is an important plant for human and animal nutrition due to its large amounts of protein, lipid, carbohydrates, minerals, vitamins, and fiber. Because of its reduced cost and elevated nutritional value, soybean flour has been used as alternative feed in the recovery of nutritional status. Part of the beneficial effects of soybean and by-products has been associated with their effects on insulin secretion and action. Insulin is an anabolic, polypeptide hormone synthesized by pancreatic β-cells, whose synthesis is activated by an increase of nutrients, especially glucose. Insulin acts on several periphery tissues, including liver, muscle, and adipose tissue. In rats, soybean flour diet activates the β-cell cAMP/PKA pathway, increasing insulin secretion in response to glucose, and decreases relative weight of fat deposits and even reduces the energetic expenditure without alterations in food intake. Soybean diet interferes in various steps of the insulin signaling pathway. Muscle insulin-reduced phosphorylation of GSK-3 is improved by soy proteins and isoflavones, partially preventing deleterious effects of fat feeding.
Effects of the Soybean Flour Diet on Insulin Secretion and Action
M. Q. Latorraca,L. Stoppiglia,M. H. Gomes-da-Silva,M. S. F. Martins,M. A. Reis,R. V. Veloso,V. C. Arantes
Published 2019 in Flour and Breads and their Fortification in Health and Disease Prevention
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2019
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Flour and Breads and their Fortification in Health and Disease Prevention
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Unknown publication date
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Agricultural and Food Sciences, Medicine, Biology
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