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Plant Foods for Human Nutrition

, Volume 74, Issue 3, pp 405–413 | Cite as

Broken Rice as a Potential Functional Ingredient with Inhibitory Activity of Renin and Angiotensin-Converting Enzyme(ACE)

  • María Pinciroli
  • Paula Aphalo
  • Agustina E. Nardo
  • María C. Añón
  • Alejandra V. QuirogaEmail author
Original Paper
  • 81 Downloads

Abstract

The aim of this work was to evaluate the ability of broken rice, an underutilized industrial by-product, as a potential functional and health promoting ingredient. With this purpose, the ability to inhibit the angiotensin converting enzyme and renin of a rice protein hydrolyzate (RPH) obtained from a high-protein variety of broken rice (var. Nutriar FCAyF) was analyzed (IC50 = 0.87 and 2.7 mg/mL, respectively). RPH was separated by gel permeation chromatography and in a second purification step by RP-HPLC. The sequence of antihypertensive peptides presented in two RP-HPLC fractions was analyzed. Peptides capable of interacting with the active sites of both enzymes were identified. In this study, we demonstrate that the hydrolysis treatment improves functional and biological properties of rice proteins. Protein preparations obtained from a by-product of rice industry, such as broken rice, are a promising ingredient with potentially good biological properties.

Keywords

Broken rice ACE inhibitory peptides Renin inhibitory peptides Molecular docking analysis 

Notes

Acknowledgements

The authors acknowledge the contribution of Dra. Nora E. Martínez to this work.

Funding

This work was supported by Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT, Argentina), Project PICT-2012- 0937.

Compliance with Ethical Standards

Conflict of Interest

The author declare that they have no conflict of interest.

Supplementary material

11130_2019_754_MOESM1_ESM.docx (123 kb)
ESM 1 (DOCX 122 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Programa Arroz, Facultad de Ciencias Agrarias y Forestales (FCAyF)Universidad Nacional de la PlataLa PlataArgentina
  2. 2.Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), Facultad de Ciencias Exactas, Comisión de Investigaciones Científicas (CIC-PBA) and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET- CCT La Plata)Universidad Nacional de La Plata (UNLP)La PlataArgentina

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