Polyphenol-rich peach (Prunus persica L.) by-product exerts a greater beneficial effect than dietary fiber-rich by-product on insulin resistance and hepatic steatosis in obese rats
Por:
Rodriguez-Gonzalez, Sarahi, Perez-Ramirez, Iza F., Amaya-Cruz, Diana M., Gallegos-Corona, Marco A., Ramos-Gomez, Minerva, Mora, Ofelia, Reynoso-Camacho, Rosalia
Publicada:
1 jun 2018
Resumen:
Peach juice by-product (PJBP) can prevent complications of obesity due to its high content of polyphenols and dietary fiber. This study aimed to evaluate the effect of a polyphenol-rich (PR-PJBP) and a dietary fiber-rich (DFR-PJBP) peach juice by-product on insulin resistance and hepatic steatosis in obese rats. Animals were fed with high fat and fructose diet (HFF) and supplemented with PR-PJBP and DFR-PJBP for eighteen weeks. PR-PJBP produced the greatest hypoglycemic effect by improving insulin resistance, increasing hepatic glycogen content, and decreasing hepatic PEPCK activity. Likewise, PR-PJBP decreased serum triglycerides levels, ameliorating hepatic steatosis, decreasing hepatic expression of Srebp1 and Fasn, and increasing hepatic Cpt1 expression. These results suggest that polyphenols from PJBP exert a greater beneficial effect on obesity-related complications than dietary fiber. These effects were associated with caffeoylquinic, p-coumaroylquinic and 4-feruloylquinic acids, and kaempferol derivatives. PR-PJBP could be used as an ingredient for the elaboration of functional foods. © 2018 Elsevier Ltd
Filiaciones:
Rodriguez-Gonzalez, Sarahi:
Facultad de Química, Universidad Autónoma de Querétaro, C.U., Cerro de las Campanas s/n, Querétaro, Qro., Mexico
Univ Autonoma Queretaro CU, Fac Quim, Cerro de las Campanas S-N, Queretaro 76010, Qro, Mexico
Perez-Ramirez, Iza F.:
Facultad de Química, Universidad Autónoma de Querétaro, C.U., Cerro de las Campanas s/n, Querétaro, Qro., Mexico
Univ Autonoma Queretaro CU, Fac Quim, Cerro de las Campanas S-N, Queretaro 76010, Qro, Mexico
Amaya-Cruz, Diana M.:
Facultad de Química, Universidad Autónoma de Querétaro, C.U., Cerro de las Campanas s/n, Querétaro, Qro., Mexico
Univ Autonoma Queretaro CU, Fac Quim, Cerro de las Campanas S-N, Queretaro 76010, Qro, Mexico
Gallegos-Corona, Marco A.:
Facultad de Medicina, Universidad Autónoma de Querétaro, Prados de La Capilla 200, Querétaro, Qro., Mexico
Univ Autenoma Queretaro, Fac Med, Prados La Capilla 200, Queretaro 76176, Qro, Mexico
Ramos-Gomez, Minerva:
Facultad de Química, Universidad Autónoma de Querétaro, C.U., Cerro de las Campanas s/n, Querétaro, Qro., Mexico
Univ Autonoma Queretaro CU, Fac Quim, Cerro de las Campanas S-N, Queretaro 76010, Qro, Mexico
Mora, Ofelia:
Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de de México, Blvd. Juriquilla 3001, Juriquilla 76230, Querétaro, Mexico
Univ Nacl Autonoma Mexico, Fac Estudios Super Cuautitlan, Blvd Juriquilla 3001, Juriquilla 76230, Queretaro, Mexico
Reynoso-Camacho, Rosalia:
Facultad de Química, Universidad Autónoma de Querétaro, C.U., Cerro de las Campanas s/n, Querétaro, Qro., Mexico
Univ Autonoma Queretaro CU, Fac Quim, Cerro de las Campanas S-N, Queretaro 76010, Qro, Mexico
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