Optimization of the enzymatic hydrolysis of lupin (Lupinus) proteins for producing ACE-inhibitory peptides

Giovanna Boschin, Graziana Maria Scigliuolo, Donatella Resta, Anna Arnoldi

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Recently, the enzymatic hydrolysis of Lupinus albus and Lupinus angustifolius proteins with pepsin was showed to produce peptides able to inhibit the angiotensin-converting enzyme (ACE). The objective of the present work was to test different hydrolytic enzymes and to investigate three lupin species (L. albus, L. angustifolius, Lupinus luteus) with the final goal of selecting the best enzyme/species combination for an efficient production of ACE-inhibitory peptide mixtures. Pepsin gave peptides with the best IC 50 values (mean value on three species 186 ± 10 μg/mL), followed by pepsin + trypsin (198 ± 16 μg/mL), chymotrypsin (213 ± 83 μg/mL), trypsin (405 ± 54 μg/mL), corolase PP (497 ± 32 μg/mL), umamizyme (865 ± 230 μg/mL), and flavourzyme (922 ± 91 μg/mL). The three species showed similar activity scales, but after pepsin + trypsin and chymotrypsin treatments, L. luteus peptide mixtures resulted to be significantly the most active. This investigation indicates that lupin proteins may be a valuable source of ACE-inhibitory peptides, which may explain the activity observed in experimental and clinical studies and foresee the application of lupin proteins into functional foods or dietary supplements.

Original languageEnglish
Pages (from-to)1846-1851
Number of pages6
JournalJournal of Agricultural and Food Chemistry
Volume62
Issue number8
DOIs
Publication statusPublished - Feb 26 2014

Fingerprint

Lupinus
Enzymatic hydrolysis
peptidyl-dipeptidase A
Peptidyl-Dipeptidase A
enzymatic hydrolysis
Pepsin A
pepsin
Hydrolysis
peptides
Peptides
trypsin
Lupinus luteus
Lupinus angustifolius
Lupinus albus
chymotrypsin
Proteins
proteins
Trypsin
dietary supplements
Dietary Supplements

Keywords

  • enzymatic hydrolysis
  • functional foods
  • hypertension
  • lupin
  • nutraceutics

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Chemistry(all)

Cite this

Optimization of the enzymatic hydrolysis of lupin (Lupinus) proteins for producing ACE-inhibitory peptides. / Boschin, Giovanna; Scigliuolo, Graziana Maria; Resta, Donatella; Arnoldi, Anna.

In: Journal of Agricultural and Food Chemistry, Vol. 62, No. 8, 26.02.2014, p. 1846-1851.

Research output: Contribution to journalArticle

Boschin, Giovanna ; Scigliuolo, Graziana Maria ; Resta, Donatella ; Arnoldi, Anna. / Optimization of the enzymatic hydrolysis of lupin (Lupinus) proteins for producing ACE-inhibitory peptides. In: Journal of Agricultural and Food Chemistry. 2014 ; Vol. 62, No. 8. pp. 1846-1851.
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