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Abstract Title:

Hypoglycemic and Vasorelaxant Effect of Passiflora edulis Fruit Peel By-Product.

Abstract Source:

Plant Foods Hum Nutr. 2021 Sep 28. Epub 2021 Sep 28. PMID: 34581915

Abstract Author(s):

Bárbara Cabral, Raul Hernandes Bortolin, Tays Amanda Felisberto Gonçalves, Priscilla Maria Pereira Maciel, Alinne Villar de Arruda, Thais Gomes de Carvalho, Kahlile Youssef Abboud, Jovelina Samara Ferreira Alves, Lucimara M C Cordeiro, Isac Almeida de Medeiros, Adriana Augusto de Rezende, Silvana Maria Zucolotto

Article Affiliation:

Bárbara Cabral

Abstract:

Passiflora edulis fo. flavicarpa (Passifloraceae) is popularly known as yellow passion fruit and its fruit peels are considered a rich by-product in bioactive compounds which has greatly beneficial health properties. The objective of this study was to evaluate the effects of P. edulis fruit peel extracts in a type 1 diabetes model and the potential vasorelaxant effect. The aqueous and hydroethanolic extracts were obtained from P. edulis fruit peels and orientin and isorientin flavonoids were identified in both extracts through ultra-high performance liquid chromatography. Pectin was only identified in the aqueous extract by high-performance steric exclusion chromatography and nuclear magnetic resonance. Regarding the vascular system, the hydroethanolic extract showed better vasorelaxant effects in the mesenteric artery rings when compared to the aqueous extract. These effects mainly occur by opening the potassium channels. In the type 1 diabetes model, extracts at doses of 400 and 600 mg/kg were able to restore the effect of insulin in diabetic rats which were not responding to its action. The antidiabetic effect was more significant for the aqueous extract. Thus, the results suggest that the hydroethanolic and aqueous extracts have greater potential to be used to treat cardiovascular diseases such as hypertension and as a hypoglycemic agent, respectively. Taken together, P. edulis fruit peel extracts proved to be a source of valuable bioactive raw material to produce nutraceuticals or pharmaceutical products.

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