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Bioactive peptides in plant-derived foodstuffs

Elena Maestri¹, Marta Marmiroli², Nelson Marmiroli¹

¹Department of Life Sciences, University of Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy; SITEIA, PARMA, Interdepartmental Centre for Food Safety, Technologies and Innovation for Agri-food, Parco Area delle Scienze, 43124 Parma, Italy.

Journal of Proteomics

|April 16, 2016

Abstract

Unlabelled:

A literature survey covering the presence of bioactive peptides in plant-derived foodstuffs is presented. Examples are given of plant peptides associated with a beneficial effect on human health. The main bioactive effects of these peptides are defined and their mechanism of action described, when known. Current understanding of the way in which these molecules are adsorbed, distributed, metabolized and finally excreted is discussed. A particular focus is given to potentially immunomodulatory peptides. The leading analytical assay methods used to evaluate their activity are outlined. Inspection of crop proteomic data revealed that at least 6000 proteins may harbour bioactive peptides. The analysis of these proteins using a Gene Ontology approach has provided a number of insights regarding their occurrence and relevance.

Biological Significance:

The review reports an updated survey on bioactive peptides present in food crop plants, with a particular focus on immunomodulatory peptides which might be relevant for therapeutic applications. It employs a bioinformatic approach to search for proteins of crop plants potentially harboring bioactive peptides, summarising through Gene Ontology the main classes of peptide-containing proteins in food.

Keywords:

ADME Crop plants Data mining Gene Ontology Immunomodulatory peptides

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