Inhibition of Pancreatic Lipase and Characterization by Extracts From Fruit Pomaces Cultivars Grown in Brazilian Semiarid

Josileide Gonçalves Borges, Jackson Roberto Guedes da Silva Almeida, Juliana Anielle Ribeiro de Sá, Kaline Stela Pires Bezerra, Patricia Kauanna Fonseca Damasceno, Isabela Mary Alves Reis, Marigilson Pontes de Siqueira Moura


Investigate action of pancreatic lipase inhibition and characterization of extracts obtained from fruit pomace cultivars grown in Brazilian semiarid. Phytochemicals of Vitis labrusca, Passiflora edulis flavicarpa Deg., Citrus sinensis L Osbeck, and Punica granatum L. were extracted by maceration in a hydroethanolic solution. Inhibition activity of pancreatic lipase was performed by ELISA reader. To identify which compounds would probably be responsible for inhibitory activity, extracts were characterized by method of total phenolics using folin ciocalteau, phenolic acids and flavonoids were identified by HPLC, antioxidant potential was quantified by DPPH. With exception of pomegranate seed, all other pomace showed potential for inhibition of lipase. However, V. labrusca had higher percentage of inhibition (89.74%), this percentage similar to that obtained by commercial orlistat inhibitor, which would indicate its use as an efficient inhibitor. For all extracts were found several phytochemical compounds with phenolic characteristics, however, pomaces of P. granatum peel and V. labrusca showed best results in total phenolic and antioxidant activity. P. granatum peel had a high content of total phenolics (82.50 EAG g-1) and the best antioxidant activity (IC50 = 1.47 µg mL-1). All pomace extracts showed varied secondary metabolites, although antioxidant activity from grape and passion fruit pomaces showed potential for inhibition of lipids absorption.

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Journal of Agricultural Studies   ISSN 2166-0379

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