Repozytorium
Wyszukaj
Kolekcje
Inne
Multifunctional peptides derived from an egg yolk protein hydrolysate : isolation and characterization.
Autorzy
Rok wydania
2015
Czasopismo
Numer woluminu
47
Strony
369-380
DOI
10.1007/s00726-014-1869-x
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Streszczenie
An egg yolk protein by-product following ethanol extraction of phospholipids (YP) was hydrolyzed with pepsin to produce and identify novel peptides that revealed antioxidant, ACE inhibitory and antidiabetic (α-glucosidase and DPP-IV inhibitory) activities. The peptic hydrolysate of YP was fractionated by ion-exchange chromatography and reversedphase high-pressure liquid chromatography. Isolated peptides were identified using mass spectrometry (MALDI-ToF) and the Mascot Search Results database. Four peptides of MW ranging from 1,210.62 to 1,677.88 Da corresponded to the fragments of Apolipoprotein B (YINQMPQKSRE; YINQMPQKSREA), Vitellogenin-2 (VTGRFAGHPAAQ) and Apovitellenin-1 (YIEAVNKVSPRAGQF). These peptides were chemically synthesized and showed antioxidant, ACE inhibitory or/and antidiabetic activities. Peptide YIEAVNKVSPRAGQF exerted the strongest ACE inhibitory activity, with IC50 = 9.4 µg/mL. The peptide YINQMPQKSRE showed the strongest DPPH free radical scavenging and DPP-IV inhibitory activities and its ACE inhibitory activity (IC50) reached 10.1 µg/mL. The peptide VTGRFAGHPAAQ revealed the highest α-glucosidase inhibitory activity (IC50 = 365.4 µg/mL). A novel nutraceutical effect for peptides from an egg yolk hydrolysate was shown.
Słowa kluczowe
Egg yolk protein by-product, Hydrolysis, Antioxidant, Antidiabetic, Angiotensin I-converting enzyme inhibitory activity
Licencja otwartego dostępu
Licencja na prawach której można swobodnie kopiować, rozprowadzać, zmieniać i remiksować objęty prawem autorskim utwór (Utwór-przedmiot prawa autorskiego) pod warunkiem podania imienia i nazwiska autora utworu pierwotnego oraz źródła pochodzenia utworu.
Pełny tekst licencji: https://creativecommons.org/licenses/by/3.0/pl/legalcode
Adres publiczny
http://dx.doi.org/10.1007/s00726-014-1869-x
Strona internetowa wydawcy
Podobne publikacje
An attractive way of egg white protein by-product use for producing of novel anti-hypertensive peptides.
Pokora Marta, Zambrowicz Aleksandra, Dąbrowska Anna, Eckert Ewelina, Setner Bartosz, Szołtysik Marek, Szewczuk Zbigniew, Zabłocka A., Polanowski Antoni, Trziszka Tadeusz, Chrzanowska Józefa
Egg-yolk protein by-product as a source of ACE-inhibitory peptides obtained with using unconventional proteinase from Asian pumpkin (Cucurbita ficifolia).
Eckert Ewelina, Zambrowicz Aleksandra, Pokora Marta, Setner Bartosz, Dąbrowska Anna, Szołtysik Marek, Szewczuk Zbigniew, Polanowski Antoni, Trziszka Tadeusz, Chrzanowska Józefa
Carbonate-bridged dinuclear lanthanide(III) complexes of chiral macrocycle.
Gerus Aleksandra, Ślepokura Katarzyna, Lisowski Jerzy