Antihypertensive Amaranth Protein Hydrolysates Encapsulation in Alginate/Pectin Beads: Influence on Bioactive Properties upon In Vitro Digestion-Reference-Cited by-同舟云学术

Antihypertensive Amaranth Protein Hydrolysates Encapsulation in Alginate/Pectin Beads: Influence on Bioactive Properties upon In Vitro Digestion

Published:2024-09-05 Issue:3 Volume:5 Page:450-462
ISSN:2673-4176
Container-title:Polysaccharides
language:en
Short-container-title:Polysaccharides

Author:

Cruz-Casas Dora Elisa¹^ORCID,Ramos-González Rodolfo²^ORCID,Prado-Barragán Lilia Arely³^ORCID,Aguilar Cristóbal N.¹^ORCID,Rodríguez-Herrera Raúl¹^ORCID,Iliná Anna⁴,Esparza-González Sandra Cecilia⁵,Flores-Gallegos Adriana Carolina¹^ORCID

Affiliation:

1. School of Chemistry, Universidad Autónoma de Coahuila, Boulevard Venustiano Carranza e Ing. José Cárdenas Valdés s/n Col. República, Saltillo 25280, Mexico

2. CONAHCYT, Nanobioscience Research Group, School of Chemistry, Universidad Autónoma de Coahuila, Boulevard Venustiano Carranza e Ing. José Cárdenas Valdés s/n Col. República, Saltillo 25280, Mexico

3. Biotechnology Department, Biological, Health Sciences Division, Universidad Autónoma Metropolitana, Iztapalapa Campus, Mexico City 09340, Mexico

4. Nanobioscience Research Group, School of Chemistry, Universidad Autónoma de Coahuila, Boulevard Venustiano Carranza e Ing. José Cárdenas Valdés s/n Col. República, Saltillo 25280, Mexico

5. Odontology Faculty, Universidad Autónoma de Coahuila, Saltillo 25125, Mexico

Abstract

Protein hydrolysates containing bioactive peptides have emerged as therapeutic agents. However, these peptides may lose this bioactivity under gastrointestinal conditions. Encapsulation in edible biopolymers is a solution to this problem. Protein hydrolysates with ACE-I inhibitory activity, obtained previously, were encapsulated. A 1% solution of the biopolymers alginate (AG) and pectin (PC) in various ratios was prepared. The beads formed were evaluated in both wet and dry states for size, roundness, thermal gravimetric analysis (TGA), encapsulation efficiency, and ACE-I inhibitory activity. Selected samples underwent in vitro digestion, after which peptide release and ACE-I inhibitory activity were determined. Size analysis revealed that increasing the PC content increased the bead size, with 100% PC beads showing total deformation and reduced roundness. TGA indicated that wet beads had lower thermal stability compared to dry beads. The highest encapsulation efficiency (95.57% ± 0.49) was observed with 100% AG beads. The 75% AG 25% PC beads exhibited the highest ACE-I inhibitory activity (97.97% ± 1.01). Encapsulated protein hydrolysates retained their ACE-I inhibitory activity after simulated digestion, whereas non-encapsulated hydrolysates lost their bioactivity. Encapsulation of amaranth protein hydrolysates with AG and PC thus preserves antihypertensive activity even after in vitro digestion.

Funder

National Council of Humanities, Sciences, and Technologies (CONAHCYT) of Mexico

Publisher

MDPI AG

Link

https://www.mdpi.com/2673-4176/5/3/28/pdf

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