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López-Huertas E, Rubí-Villegas J, Sánchez-Moreno L, Nieto R. Olive Pomace Extract Contains Low Molecular Weight Peptides and Possesses ACE Inhibitory Activity. Int J Mol Sci 2024; 25:3962. [PMID: 38612773 PMCID: PMC11011677 DOI: 10.3390/ijms25073962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/14/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
The aim of the present study was to determine the ACE inhibitory activity of aqueous extracts of olive pomace and to understand whether they represent a good source of bioactive LMW peptides for nutritional and pharmacological applications. We produced a water extract from olive pomace (var. Picual) and obtained its low molecular weight (LMW) fraction (<3 kDa). The calculated yield of extraction was 100.2 ± 7.9 mg of LMW peptides per 100 g of olive pomace. The olive pomace LMW fraction possessed strong ACE inhibitory activity (IC50 = 3.57 ± 0.22 µg prot/mL). The LMW fraction (<3 kDa) was analysed by nanoscale liquid chromatography-Orbitrap coupled with tandem mass spectrometry and de novo sequencing. Thirty new peptides, containing between 7-17 amino acids and molecular masses ranging 778-1354 Da, were identified by the Peaks database algorithm using the available Olea europaea (cv. Farga) genome database. Ten new peptides were also identified by Peaks de novo sequencing. The protein sources of twelve peptides detected in the database by Peaks DB were identified by BLAST search. The ACE inhibitory activity of the identified peptides was predicted by BIOPEP software. We conclude that olive pomace possesses ACE inhibitory activity and contains low molecular weight peptides with (predicted) biological activity. Olive pomace may represent a good source of peptides for nutritional and pharmaceutical applications. In our study, it has been shown that olive pomace possesses ACE inhibitory activity and contains low molecular weight peptides with (predicted) biological activity. Olive pomace may represent a good source of peptides for nutritional and pharmaceutical applications. More research is needed in order to identify the in vivo effects of olive pomace bioactive peptides.
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Affiliation(s)
- Eduardo López-Huertas
- Group of Antioxidants and Free Radicals in Biotechnology, Food and Agriculture, Estación Experimental Zaidín (EEZ), Spanish National Research Council (CSIC), Profesor Albareda 1, 18008 Granada, Spain
| | - Jose Rubí-Villegas
- Group of Antioxidants and Free Radicals in Biotechnology, Food and Agriculture, Estación Experimental Zaidín (EEZ), Spanish National Research Council (CSIC), Profesor Albareda 1, 18008 Granada, Spain
| | - Lourdes Sánchez-Moreno
- Instrumental Technical Services of the Estación Experimental Zaidín (EEZ), Spanish National Research Council (CSIC), Profesor Albareda 1, 18008 Granada, Spain
| | - Rosa Nieto
- Department of Nutrition and Sustainable Animal Production, Estación Experimental Zaidín (EEZ), Spanish National Research Council (CSIC), San Miguel 101, 18100 Armilla, Granada, Spain
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2
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Iñarra B, Bald C, Gutierrez M, San Martin D, Zufía J, Ibarruri J. Production of Bioactive Peptides from Hake By-Catches: Optimization and Scale-Up of Enzymatic Hydrolysis Process. Mar Drugs 2023; 21:552. [PMID: 37999376 PMCID: PMC10672589 DOI: 10.3390/md21110552] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/25/2023] Open
Abstract
Fish by-catches, along with other fish side-streams, were previously used as raw material for the production of fishmeal and fish oil but appropriate handling allows their use in more valuable options. The aim of this research was to valorize undersized hake (Merluccius merluccius) as a model of using fish by-catch from the Bay of Biscay to produce protein hydrolysates with bioactivities. Six enzymes, with different proteolytic activities (endo- or exoproteases) and specificities, were tested to produce protein hydrolysates. Products obtained with an endoprotease of serine resulted in the most promising results in terms of protein extraction yield (68%), with an average molecular weight of 2.5 kDa, and bioactivity yield (antioxidant activity = 88.5 mg TE antioxidant capacity/g fish protein; antihypertensive activity = 47% inhibition at 1 mg/mL). Then, process conditions for the use of this enzyme to produce bioactive products were optimized using Box-Behnken design. The most favorable process conditions (time = 2 h, solids = 50% and enzyme/substrate = 2% with respect to protein) were scaled up (from 0.5 L to 150 L reactor) to confirm laboratory scale and model forecasts. The results obtained in the pilot-scale testing matched the outcomes predicted by the model, confirming the technical viability of the proposed process.
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Affiliation(s)
- Bruno Iñarra
- AZTI, Food Research, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Astondo Bidea, Edificio 609, 48160 Derio, Spain; (C.B.); (M.G.); (D.S.M.); (J.Z.); (J.I.)
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Otero C, Verdasco-Martín CM. Preparation and Characterization of a Multicomponent Arthrospira platensis Biomass Hydrolysate with Superior Anti-Hypertensive, Anti-Hyperlipidemic and Antioxidant Activities via Selective Proteolysis. Mar Drugs 2023; 21:md21040255. [PMID: 37103394 PMCID: PMC10146905 DOI: 10.3390/md21040255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 04/28/2023] Open
Abstract
Arthrospira platensis biomass is a sustainable source of bioactive products for the food, cosmetic, and medicine industries. As well as primary metabolites, different secondary metabolites can be obtained via distinct enzymatic degradation of biomass. In this work, different hydrophilic extracts were obtained after treating the biomass with: (i) a serine endo-peptidase (Alcalase®), (ii) a mixture of amino-, dipeptidyl-, and endo-peptidases (Flavourzyme®), (iii) a mixture of endo-1,3(4)-β-glucanase and an endo-1,4-xylanase, and β-glucanase (Ultraflo®), and (iv) an exo-1,3-glucanase (Vinoflow®) (all the enzymes from Novozymes A/S (bagsvaerd, Denmark)); with subsequent extraction of the biocomponents with an isopropanol/hexane mixture. The composition of each aqueous phase extract (in terms of amino acids, peptides, oligo-elements, carbohydrates, and phenols) and their in vitro functional properties were compared. The conditions described in this work using the enzyme Alcalase® permits the extraction of eight distinctive peptides. This extract is 7.3 times more anti-hypertensive, 106 times more anti-hypertriglyceridemic, 26 times more hypocholesterolemic, has 4.4 times more antioxidant activities, and has 2.3 times more phenols, than the extract obtained without any prior enzyme biomass digestion. Alcalase® extract is an advantageous product with potential application in functional food, pharmaceutics, and cosmetics.
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Affiliation(s)
- Cristina Otero
- Department of Biocatalysis, Institute of Catalysis and Petroleochemistry, Consejo Superior de Investigaciones Científicas-CSIC, 28049 Madrid, Spain
| | - Carlos M Verdasco-Martín
- Department of Biocatalysis, Institute of Catalysis and Petroleochemistry, Consejo Superior de Investigaciones Científicas-CSIC, 28049 Madrid, Spain
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4
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Casquete R, Benito MJ, Martín A, Martínez A, Rivas MDLÁ, Córdoba MDG. Influence of different extraction methods on the compound profiles and functional properties of extracts from solid by-products of the wine industry. Lebensm Wiss Technol 2022; 170:114097. [DOI: 10.1016/j.lwt.2022.114097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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5
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Zhang B, Liu J, Wen H, Jiang F, Wang E, Zhang T. Structural requirements and interaction mechanisms of ACE inhibitory peptides: molecular simulation and thermodynamics studies on LAPYK and its modified peptides. Food Science and Human Wellness 2022. [DOI: 10.1016/j.fshw.2022.06.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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6
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Gavara L, Verdirosa F, Sevaille L, Legru A, Corsica G, Nauton L, Sandra Mercuri P, Sannio F, De Luca F, Hadjadj M, Cerboni G, Vo Hoang Y, Licznar-Fajardo P, Galleni M, Docquier JD, Hernandez JF. 1,2,4-Triazole-3-thione analogues with an arylakyl group at position 4 as metallo-β-lactamase inhibitors. Bioorg Med Chem 2022; 72:116964. [PMID: 36030663 DOI: 10.1016/j.bmc.2022.116964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 07/22/2022] [Accepted: 08/06/2022] [Indexed: 12/31/2022]
Abstract
Metallo-β-lactamases (MBLs) represent an increasingly serious threat to public health because of their increased prevalence worldwide in relevant opportunistic Gram-negative pathogens. MBLs efficiently inactivate widely used and most valuable β-lactam antibiotics, such as oxyiminocephalosporins (ceftriaxone, ceftazidime) and the last-resort carbapenems. To date, no MBL inhibitor has been approved for therapeutic applications. We are developing inhibitors characterized by a 1,2,4-triazole-3-thione scaffold as an original zinc ligand and few promising series were already reported. Here, we present the synthesis and evaluation of a new series of compounds characterized by the presence of an arylalkyl substituent at position 4 of the triazole ring. The alkyl link was mainly an ethylene, but a few compounds without alkyl or with an alkyl group of various lengths up to a butyl chain were also synthesized. Some compounds in both sub-series were micromolar to submicromolar inhibitors of tested VIM-type MBLs. A few of them were broad-spectrum inhibitors, as they showed significant inhibitory activity on NDM-1 and, to a lesser extent, IMP-1. Among these, several inhibitors were able to significantly reduce the meropenem MIC on VIM-1- and VIM-4- producing clinical isolates by up to 16-fold. In addition, ACE inhibition was absent or moderate and one promising compound did not show toxicity toward HeLa cells at concentrations up to 250 μM. This series represents a promising basis for further exploration. Finally, molecular modelling of representative compounds in complex with VIM-2 was performed to study their binding mode.
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Affiliation(s)
- Laurent Gavara
- Institut des Biomolécules Max Mousseron, Univ Montpellier, CNRS, ENSCM, Montpellier, France.
| | - Federica Verdirosa
- Dipartimento di Biotecnologie Mediche, Università di Siena, I-53100 Siena, Italy
| | - Laurent Sevaille
- Institut des Biomolécules Max Mousseron, Univ Montpellier, CNRS, ENSCM, Montpellier, France
| | - Alice Legru
- Institut des Biomolécules Max Mousseron, Univ Montpellier, CNRS, ENSCM, Montpellier, France
| | - Giuseppina Corsica
- Dipartimento di Biotecnologie Mediche, Università di Siena, I-53100 Siena, Italy
| | - Lionel Nauton
- Institut de Chimie de Clermont-Ferrand, Université Clermont-Auvergne, CNRS, Clermont-Ferrand, France
| | - Paola Sandra Mercuri
- Laboratoire des Macromolécules Biologiques, Centre d'Ingénierie des Protéines-InBioS, Université de Liège, Institute of Chemistry B6a, Sart-Tilman, 4000 Liège, Belgium
| | - Filomena Sannio
- Dipartimento di Biotecnologie Mediche, Università di Siena, I-53100 Siena, Italy
| | - Filomena De Luca
- Dipartimento di Biotecnologie Mediche, Università di Siena, I-53100 Siena, Italy
| | - Margot Hadjadj
- Institut des Biomolécules Max Mousseron, Univ Montpellier, CNRS, ENSCM, Montpellier, France
| | - Giulia Cerboni
- Dipartimento di Biotecnologie Mediche, Università di Siena, I-53100 Siena, Italy
| | - Yen Vo Hoang
- Institut des Biomolécules Max Mousseron, Univ Montpellier, CNRS, ENSCM, Montpellier, France
| | | | - Moreno Galleni
- Laboratoire des Macromolécules Biologiques, Centre d'Ingénierie des Protéines-InBioS, Université de Liège, Institute of Chemistry B6a, Sart-Tilman, 4000 Liège, Belgium
| | - Jean-Denis Docquier
- Dipartimento di Biotecnologie Mediche, Università di Siena, I-53100 Siena, Italy; Laboratoire de Bactériologie Moléculaire, Centre d'Ingénierie des Protéines-InBioS, Université de Liège, B-4000 Liège, Belgium.
| | - Jean-François Hernandez
- Institut des Biomolécules Max Mousseron, Univ Montpellier, CNRS, ENSCM, Montpellier, France.
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Abstract
In the history of modern nutritional science, understanding antioxidants is one of the major topics. In many cases, food-derived antioxidants have π conjugate or thiol group in their molecular structures because π conjugate stabilizes radical by its delocalization and two thiol groups form a disulfide bond in its antioxidative process. In recent years, antioxidant peptides have received much attention because for their ability to scavenge free radicals, inhibition of lipid peroxidation, chelation of transition metal ions, as well as their additional nutritional value. Among them, dipeptides are attracting much interest as post-amino acids, which have residues in common with amino acids, but also have different physiological properties and functions from those of amino acids. Especially, dipeptides containing moieties of several amino acid (tryptophan, tyrosine, histidine, cysteine, and methionine) possess potent antioxidant activity. This review summarizes previous details of structural property, radical scavenging activity, and biological activity of antioxidant dipeptide. Hopefully, this review will help provide a new insight into the study of the biological functions of antioxidant dipeptides.
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Affiliation(s)
- Hitoshi Ozawa
- New Industry Creation Hatchery Center (NICHe), Tohoku University
| | - Taiki Miyazawa
- New Industry Creation Hatchery Center (NICHe), Tohoku University
| | | | - Teruo Miyazawa
- New Industry Creation Hatchery Center (NICHe), Tohoku University
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Sentís-Moré P, Ortega-Olivé N, Mas-Capdevila A, Romero-Fabregat MP. Impact of centrifugation and vacuum filtration step on the yield and molecular weight distribution of protein hydrolysates from rapeseed and sunflower meals. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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9
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Lopez-Huertas E, Alcaide-Hidalgo JM. Characterisation of Endogenous Peptides Present in Virgin Olive Oil. Int J Mol Sci 2022; 23:1712. [PMID: 35163634 DOI: 10.3390/ijms23031712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 11/17/2022] Open
Abstract
The low molecular weight peptide composition of virgin olive oil (VOO) is mostly unknown. We aimed to investigate the composition of the endogenous peptides present in VOO, the protein sources from which those peptides originate and their biological activities. A water-soluble extract containing peptides was obtained from VOO. The peptides were separated by size-exclusion using fast protein liquid chromatography, and the low molecular weight fraction (1600–700 kDa) was analysed by nanoscale liquid chromatography Orbitrap coupled with tandem mass spectrometry and de novo sequencing. Nineteen new peptides were identified by Peaks database algorithm, using the available Olea europaea (cv. Farga) genome database. Eight new peptides were also identified by Peaks de novo sequencing. The protein sources of the peptides detected in the database by Peaks DB were identified by BLAST-P search. Seed storage proteins were among the most frequent sources of VOO peptides. BIOPEP software was used to predict the biological activities of peptides and to simulate (in silico) the proteolytic activity of digestive enzymes on the detected peptide sequences. A selection of synthetic peptides was obtained for investigation of their bioactivities. Peptides VCGEAFGKA, NALLCSNS, CPANGFY, CCYSVY and DCHYFL possessed strong ACE-inhibitory and antioxidant activities in vitro. Antioxidant peptides could play a role in VOO quality.
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10
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Villanueva-Lazo A, la Paz SMD, Rodriguez-Martin NM, Millan F, Carrera C, Pedroche JJ, Millan-Linares MDC. Antihypertensive and Antioxidant Activity of Chia Protein Techno-Functional Extensive Hydrolysates. Foods 2021; 10:2297. [PMID: 34681347 PMCID: PMC8534758 DOI: 10.3390/foods10102297] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/23/2021] [Accepted: 09/24/2021] [Indexed: 02/07/2023] Open
Abstract
Twelve high-quality chia protein hydrolysates (CPHs) were produced from chia protein isolate (CPI) in a pilot plant of vegetable proteins. To obtain functional hydrolysate, four CPHs were hydrolyzed by the action of Alcalase, an endoprotease, and the other eight CPHs were hydrolyzed by the action of Flavourzyme, an exoprotease. Alcalase-obtained CPHs showed significant antihypertensive properties particularly, the CPH obtained after 15 min of hydrolysis with Alcalase (CPH15A), which showed a 36.2% hydrolysis degree. In addition, CPH15A increased the antioxidant capacity compared to CPI. The CPH15A physicochemical composition was characterized and compared to chia defatted flour (CDF) and CPI, and its techno-functional properties were determined by in vitro experiments through the analysis of its oil absorption capacity, as well as the capacity and stability of foaming and emulsifying, resulting in an emulsifier and stabilizer better than the intact protein. Therefore, the present study revealed that CPH15A has potent antihypertensive and antioxidant properties and can constitute an effective alternative to other plant protein ingredients sources that are being used in the food industry.
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Affiliation(s)
- Alvaro Villanueva-Lazo
- Plant Protein Group, Department of Food and Health, Instituto de la Grasa—CSIC, Campus Universitario Pablo de Olavide, Edificio 46, Carretera de Utrera Km. 1, 41013 Seville, Spain; (A.V.-L.); (N.M.R.-M.); (F.M.); (J.J.P.)
| | - Sergio Montserrat-de la Paz
- Department of Medical Biochemistry, Molecular Biology and Immunology, School of Medicine, Universidad de Sevilla, Avenida Dotor Fedriani 3, 41071 Seville, Spain;
| | - Noelia Maria Rodriguez-Martin
- Plant Protein Group, Department of Food and Health, Instituto de la Grasa—CSIC, Campus Universitario Pablo de Olavide, Edificio 46, Carretera de Utrera Km. 1, 41013 Seville, Spain; (A.V.-L.); (N.M.R.-M.); (F.M.); (J.J.P.)
| | - Francisco Millan
- Plant Protein Group, Department of Food and Health, Instituto de la Grasa—CSIC, Campus Universitario Pablo de Olavide, Edificio 46, Carretera de Utrera Km. 1, 41013 Seville, Spain; (A.V.-L.); (N.M.R.-M.); (F.M.); (J.J.P.)
| | - Cecilio Carrera
- Department of Chemical Engineering, Universidad de Sevilla, Calle Profesor Garcia Gonzalez 1, 41012 Seville, Spain;
| | - Justo Javier Pedroche
- Plant Protein Group, Department of Food and Health, Instituto de la Grasa—CSIC, Campus Universitario Pablo de Olavide, Edificio 46, Carretera de Utrera Km. 1, 41013 Seville, Spain; (A.V.-L.); (N.M.R.-M.); (F.M.); (J.J.P.)
| | - Maria del Carmen Millan-Linares
- Plant Protein Group, Department of Food and Health, Instituto de la Grasa—CSIC, Campus Universitario Pablo de Olavide, Edificio 46, Carretera de Utrera Km. 1, 41013 Seville, Spain; (A.V.-L.); (N.M.R.-M.); (F.M.); (J.J.P.)
- Cell Biology Unit, Instituto de la Grasa—CSIC, Campus Universitario Pablo de Olavide, Edificio 46, Carretera de Utrera Km. 1, 41013 Seville, Spain
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11
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Samaei S, Martini S, Tagliazucchi D, Gianotti A, Babini E. Antioxidant and Angiotensin I-Converting Enzyme (ACE) Inhibitory Peptides Obtained from Alcalase Protein Hydrolysate Fractions of Hemp ( Cannabis sativa L.) Bran. J Agric Food Chem 2021; 69:9220-9228. [PMID: 34353019 PMCID: PMC8389806 DOI: 10.1021/acs.jafc.1c01487] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 07/17/2021] [Accepted: 07/26/2021] [Indexed: 06/02/2023]
Abstract
Proteins from hemp bran (HPB), a byproduct of the hemp seed food-processing chain, were chemically extracted, hydrolyzed by Alcalase, and separated by membrane ultrafiltration into four fractions (MW <1, 1-3, 3-5, and >5 kDa). The antioxidant and antihypertensive properties of the initial extract and the fractions were evaluated by in vitro assays for their ability to scavenge radical species, bind with metal ions, reduce ferric ions, and inhibit angiotensin-converting enzyme (ACE) activity. Bioactive peptides were identified by high-resolution mass spectrometry and sequence comparison with BIOPEP and BioPep DB databases. The hydrolysate was strongly antioxidant and ACE-inhibiting; the most bioactive peptides were further concentrated by ultrafiltration. Of the 239 peptides identified, 47 (12 antioxidant and 35 ACE-inhibitory) exhibited structural features correlated with the specific bioactivity. These results highlight the promise of hydrolysate and size-based HPB fractions as natural functional ingredients for the food or pharmaceutical industry.
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Affiliation(s)
- Seyedeh
P. Samaei
- Department
of Agricultural and Food Sciences, Alma
Mater Studiorum, University of Bologna, Piazza Goidanich 60, 47521 Cesena, Italy
| | - Serena Martini
- Department
of Life Sciences (DSV), University of Modena
and Reggio Emilia, Via Amendola 2, 42122 Reggio Emilia, Italy
| | - Davide Tagliazucchi
- Department
of Life Sciences (DSV), University of Modena
and Reggio Emilia, Via Amendola 2, 42122 Reggio Emilia, Italy
| | - Andrea Gianotti
- Department
of Agricultural and Food Sciences, Alma
Mater Studiorum, University of Bologna, Piazza Goidanich 60, 47521 Cesena, Italy
- CIRI
(Interdepartmental Centre of Agri-Food Industrial Research), Alma Mater Studiorum, University of Bologna, Via Quinto Bucci 336, 47521 Cesena (FC), Italy
| | - Elena Babini
- Department
of Agricultural and Food Sciences, Alma
Mater Studiorum, University of Bologna, Piazza Goidanich 60, 47521 Cesena, Italy
- CIRI
(Interdepartmental Centre of Agri-Food Industrial Research), Alma Mater Studiorum, University of Bologna, Via Quinto Bucci 336, 47521 Cesena (FC), Italy
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12
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Mazloomi SN, Mahoonak AS, Mora L, Ghorbani M, Houshmand G, Toldrá F. Pepsin Hydrolysis of Orange By-Products for the Production of Bioactive Peptides with Gastrointestinal Resistant Properties. Foods 2021; 10:679. [PMID: 33807109 DOI: 10.3390/foods10030679] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 01/22/2023] Open
Abstract
Recently, the use of bioactive compounds in improving human health has received more attention. The aim of the present study was to hydrolyze orange seed proteins using pepsin enzyme to obtain bioactive peptides as well as to study the stability of such activity after simulated gastrointestinal digestion conditions. The method was optimized using different enzyme concentrations from 1% to 3%, hydrolysis times between 2 and 5 h, and an optimal temperature of 33 °C. Biological activities including α-glucosidase inhibition, α-amylase inhibition, Angiotensin I-Converting Enzyme (ACEI) inhibition, ferric reducing antioxidant power, and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity were evaluated. According to the results, a significant higher value of the biological activity (p < 0.05) was observed using an enzyme ratio of 0.03 E/S and hydrolysis time of 3.5 h. After size-exclusion chromatography separation, fractions 45–49 and 50–54 showed the highest biological roles such as antioxidant, ACEI inhibitory, and hypoglycemic. Fractions with the highest biological activity were purified using RP-HPLC and analyzed using nano-liquid chromatography and mass spectrometry. The results obtained after simulated gastrointestinal digestion indicated that peptide fractions obtained after chromatographic separation significantly maintain their activity.
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Boy FR, Casquete R, Martínez A, Córdoba MDG, Ruíz-Moyano S, Benito MJ. Antioxidant, Antihypertensive and Antimicrobial Properties of Phenolic Compounds Obtained from Native Plants by Different Extraction Methods. Int J Environ Res Public Health 2021; 18:ijerph18052475. [PMID: 33802307 PMCID: PMC7967609 DOI: 10.3390/ijerph18052475] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 11/16/2022]
Abstract
This study aims to evaluate the efficacy of two methods (agitation and ultra-sound) for extracting phenolic compounds from 15 native plants. Plant species collected in the Dehesa of Extremadura were used. The antioxidant, antihypertensive and antimicrobial activity of the phenolic extracts was investigated. Significantly different results were obtained when comparing the two extraction methods, with the highest concentrations of phenolic compounds found for ultrasound extraction. In addition, the extracts obtained for Cistus albidus, Cistus salviifolius, Rubus ulmifolius and Quercus ilex showed the highest concentrations of phenolic compounds. The antioxidant activity was higher in the extracts of Cistus and Q. ilex obtained by ultrasound, as was the antihypertensive activity. Antimicrobial activity was also higher in the extracts obtained by ultrasound from C. salviifolius and Q. ilex plants against bacteria and from Cistus ladanifer against yeasts. Therefore, it can be concluded that, with the ultrasound extraction of phenolic compounds from C. ladanifer, C. albidus and Q. ilex plants, it is possible to obtain extracts with important functional properties, so they could be studied for their use in food with the aim of obtaining healthy and safe products, favouring the sustainability of the environment of the Dehesa Extremeña.
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Barati M, Javanmardi F, Mousavi Jazayeri SMH, Jabbari M, Rahmani J, Barati F, Nickho H, Davoodi SH, Roshanravan N, Mousavi Khaneghah A. Techniques, perspectives, and challenges of bioactive peptide generation: A comprehensive systematic review. Compr Rev Food Sci Food Saf 2020; 19:1488-1520. [PMID: 33337080 DOI: 10.1111/1541-4337.12578] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 04/03/2020] [Accepted: 04/27/2020] [Indexed: 12/14/2022]
Abstract
Due to the digestible refractory and absorbable structures of bioactive peptides (BPs), they could induce notable biological impacts on the living organism. In this regard, the current study was devoted to providing an overview regarding the available methods for BPs generation by the aid of a systematic review conducted on the published articles up to April 2019. In this context, the PubMed and Scopus databases were screened to retrieve the related publications. According to the results, although the characterization of BPs mainly has been performed using enzymatic and microbial in-vitro methods, they cannot be considered as suitable techniques for further stimulation of digestion in the gastrointestinal tract. Therefore, new approaches for both in-vivo and in-silico methods for BPs identification should be developed to overcome the obstacles that belonged to the current methods. The purpose of this review was to compile the recent analytical methods applied for studying various aspects of food-derived biopeptides, and emphasizing generation at in vitro, in vivo, and in silico.
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Affiliation(s)
- Meisam Barati
- Student Research Committee, Department of Cellular and Molecular Nutrition, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fardin Javanmardi
- Department of Food Science and Technology, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Masoumeh Jabbari
- Department of Community Nutrition, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jamal Rahmani
- Department of Community Nutrition, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farzaneh Barati
- Department of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
| | - Hamid Nickho
- Immunology Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Sayed Hossein Davoodi
- Department of Clinical Nutrition and Dietetic, National Institute and Faculty of Nutrition and Food Technology; Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Neda Roshanravan
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Mousavi Khaneghah
- Department of Food Science, Faculty of Food Engineering, University of Campinas (UNICAMP), São Paulo, Brazil
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15
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Dugardin C, Cudennec B, Tourret M, Caron J, Guérin-Deremaux L, Behra-Miellet J, Lefranc-Millot C, Ravallec R. Explorative Screening of Bioactivities Generated by Plant-Based Proteins after In Vitro Static Gastrointestinal Digestion. Nutrients 2020; 12:E3746. [PMID: 33291464 DOI: 10.3390/nu12123746] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/26/2020] [Accepted: 12/02/2020] [Indexed: 12/28/2022] Open
Abstract
The gastrointestinal digestion of food proteins can generate peptides with a wide range of biological activities. In this study, we screened various potential bioactivities generated by plant-based proteins. Whey protein as an animal protein reference, five grades of pea protein, two grades of wheat protein, and potato, fava bean, and oat proteins were submitted to in vitro SGID. They were then tested in vitro for several bioactivities including measures on: (1) energy homeostasis through their ability to modulate intestinal hormone secretion, to inhibit DPP-IV activity, and to interact with opioid receptors; (2) anti-hypertensive properties through their ability to inhibit ACE activity; (3) anti-inflammatory properties in Caco-2 cells; (4) antioxidant properties through their ability to inhibit production of reactive oxygen species (ROS). Protein intestinal digestions were able to stimulate intestinal hormone secretion by enteroendocrine cells, to inhibit DPP-IV and ACE activities, to bind opioid receptors, and surprisingly, to decrease production of ROS. Neither pro- nor anti-inflammatory effects have been highlighted and some proteins lost their pro-inflammatory potential after digestion. The best candidates were pea, potato, and fava bean proteins.
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16
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Xu L, Schüler R, Xu C, Seebeck N, Markova M, Murahovschi V, Pfeiffer AFH. Arachidonic acid inhibits the production of angiotensin-converting enzyme in human primary adipocytes via a NF-κB-dependent pathway. Ann Transl Med 2020; 8:1652. [PMID: 33490164 PMCID: PMC7812212 DOI: 10.21037/atm-20-7514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Background The modulating mechanism of fatty acids on angiotensin-converting enzyme production (ACE) in human adipocytes is still elusive. Diet-induced regulation of the renin angiotensin system is thought to be involved in obesity and hypertension, and several previous studies have used mouse cell lines such as 3T3-L1 to investigate this. This study was carried out in human subcutaneous adipocytes for better understanding of the mechanism. Methods Human adipose stem cells were isolated from subcutaneous adipose tissue biopsies collected from four patients during bariatric surgery and differentiated into mature adipocytes. The mRNA expression and the activity of ACE were measured under different stimuli in cell cultures. Results Arachidonic acid (AA) decreased ACE mRNA expression and ACE activity in a dose-dependent manner while palmitic acid had no effect. The decrease of ACE by 100 µM AA was reversed by the addition of 5 µM nuclear factor-κB (NF-κB) inhibitor. Furthermore, when the production of 20-hydroxyeicosatetraenoic acid, a metabolite of AA, was stopped by the specific inhibitor HET0016 (10 µM) in the culture media, the effect of AA was blocked. Conclusions This study indicated that AA can decrease the expression and activity of ACE in cultured human adipocytes, via an inflammatory NF-κB-dependent pathway. Blocking 20-hydroxyeicosatetraenoic acid attenuated the ACE-decreasing effects of AA.
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Affiliation(s)
- Li Xu
- Department of Endocrinology, Diabetes and Nutrition, Charité University Medicine Berlin, Campus Benjamin Franklin, Berlin, Germany.,Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke (DIfE), Nuthetal, Germany
| | - Rita Schüler
- Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke (DIfE), Nuthetal, Germany
| | - Chenchen Xu
- Department of Endocrinology, Diabetes and Nutrition, Charité University Medicine Berlin, Campus Benjamin Franklin, Berlin, Germany.,Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke (DIfE), Nuthetal, Germany
| | - Nicole Seebeck
- Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke (DIfE), Nuthetal, Germany
| | - Mariya Markova
- Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke (DIfE), Nuthetal, Germany
| | - Veronica Murahovschi
- Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke (DIfE), Nuthetal, Germany
| | - Andreas F H Pfeiffer
- Department of Endocrinology, Diabetes and Nutrition, Charité University Medicine Berlin, Campus Benjamin Franklin, Berlin, Germany.,Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke (DIfE), Nuthetal, Germany.,German Center for Diabetes Research (DZD), München-Neuherberg, Germany
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17
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Setti L, Samaei SP, Maggiore I, Nissen L, Gianotti A, Babini E. Comparing the Effectiveness of Three Different Biorefinery Processes at Recovering Bioactive Products from Hemp (Cannabis sativa L.) Byproduct. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02550-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
AbstractHemp (Cannabis sativa L.) seeds are considered a nutritional powerhouse, rich in proteins and unsaturated fatty acids. The market for hemp seed food products is growing, due to the loosening of constraints in industrial cultivation. During the food processing chain, the external part of the seed is discarded, although it contains a significant amount of proteins. Converting this material into value-added products with a biorefinery approach could meet the ever-increasing need for sustainable protein sources while reducing food waste. In this study, creating value from hemp byproducts was pursued with three different approaches: (i) chemical extraction followed by enzymatic digestion, (ii) liquid fermentation by strains of Lactobacillus spp., and (iii) solid-state fermentation by Pleurotus ostreatus. The resulting products exhibited a range of in vitro antioxidant and antihypertensive activity, depending on the proteases used for enzymatic digestion, the bacterial strain, and the length of time of the two fermentation processes. These byproducts could be exploited as functional ingredients in the food, pharmaceutical, and cosmetic industries; the suggested biorefinery processes thus represent potential solutions for the development of other protein-containing byproducts or wastes.
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18
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Raveschot C, Deracinois B, Bertrand E, Flahaut C, Frémont M, Drider D, Dhulster P, Cudennec B, Coutte F. Integrated Continuous Bioprocess Development for ACE-Inhibitory Peptide Production by Lactobacillus helveticus Strains in Membrane Bioreactor. Front Bioeng Biotechnol 2020; 8:585815. [PMID: 33102467 PMCID: PMC7546403 DOI: 10.3389/fbioe.2020.585815] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 08/31/2020] [Indexed: 11/20/2022] Open
Abstract
Production of bioactive peptides (BAPs) by Lactobacillus species is a cost-effective approach compared to the use of purified enzymes. In this study, proteolytic Lactobacillus helveticus strains were used for milk fermentation to produce BAPs capable of inhibiting angiotensin converting enzyme (ACE). Fermented milks were produced in bioreactors using batch mode, and the resulting products showed significant ACE-inhibitory activities. However, the benefits of fermentation in terms of peptide composition and ACE-inhibitory activity were noticeably reduced when the samples (fermented milks and non-fermented controls) were subject to simulated gastrointestinal digestion (GID). Introducing an ultrafiltration step after fermentation allowed to prevent this effect of GID and restored the effect of fermentation. Furthermore, an integrated continuous process for peptide production was developed which led to a 3 fold increased peptide productivity compared to batch production. Using a membrane bioreactor allowed to generate and purify in a single step, an active ingredient for ACE inhibition.
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Affiliation(s)
- Cyril Raveschot
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France.,VF Bioscience, Loos-lez-Lille, France
| | - Barbara Deracinois
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | - Emmeline Bertrand
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | - Christophe Flahaut
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | | | - Djamel Drider
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | - Pascal Dhulster
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | - Benoit Cudennec
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | - François Coutte
- UMR Transfrontalière BioEcoAgro N°1158, Université de Lille, INRAE, Université de Liège, UPJV, YNCREA, Université d'Artois, Université du Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
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19
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Mazloomi SN, Mora L, Aristoy MC, Mahoonak AS, Ghorbani M, Houshmand G, Toldrá F. Impact of Simulated Gastrointestinal Digestion on the Biological Activity of an Alcalase Hydrolysate of Orange Seed ( Siavaraze, Citrus sinensis) by-Products. Foods 2020; 9:E1217. [PMID: 32887246 PMCID: PMC7554958 DOI: 10.3390/foods9091217] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 08/21/2020] [Accepted: 08/28/2020] [Indexed: 12/25/2022] Open
Abstract
In this study, orange seed proteins were hydrolyzed by Alcalase enzyme at different enzyme concentrations 1-3% (v/w) and hydrolysis times (2-5 h), to obtain bioactive peptides showing antioxidant, Angiotensin-converting enzyme (ACE) -inhibitory, and hypoglycemic activities. The highest biological activities (p < 0.05) were achieved by using a hydrolysis time of 5 h and an enzyme concentration of 2%. Orange seed protein hydrolysate (OSPH) was prepared under these conditions, and peptides were isolated and purified by using size-exclusion chromatography and high-performance liquid chromatography, respectively. The fractions that showed the highest biological activities were analyzed by mass spectrometry in tandem, and a total of 63 peptide sequences were found. Moreover, the effect of simulated gastrointestinal digestion on the bioactivity of the fractions was studied, and the novel peptide sequences generated were also identified. Overall, despite there being some differences in the profile of peptide sequences obtained, the main results showed non-significant differences in the analyzed bioactivities after simulated gastrointestinal digestion.
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Affiliation(s)
- Seyadeh Narges Mazloomi
- Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, Paterna, 46980 Valencia, Spain; (S.N.M.); (M-C.A.); (F.T.)
- Department of Food Science & Technology, Gorgan University of Agricultural Sciences & Natural Resources, Gorgan 4918943464, Iran;
| | - Leticia Mora
- Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, Paterna, 46980 Valencia, Spain; (S.N.M.); (M-C.A.); (F.T.)
| | - M-Concepción Aristoy
- Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, Paterna, 46980 Valencia, Spain; (S.N.M.); (M-C.A.); (F.T.)
| | - Alireza Sadeghi Mahoonak
- Department of Food Science & Technology, Gorgan University of Agricultural Sciences & Natural Resources, Gorgan 4918943464, Iran;
| | - Mohammad Ghorbani
- Department of Food Science & Technology, Gorgan University of Agricultural Sciences & Natural Resources, Gorgan 4918943464, Iran;
| | - Gholamreza Houshmand
- The Health of Plant and Livestock Products Research Center, Department of Pharmacology, Mazandaran University of Medical Sciences, Sari 4815733971, Iran;
| | - Fidel Toldrá
- Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, Paterna, 46980 Valencia, Spain; (S.N.M.); (M-C.A.); (F.T.)
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20
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Rico D, González-Paramás AM, Brezmes C, Martín-Diana AB. Baking Optimization as a Strategy to Extend Shelf-Life through the Enhanced Quality and Bioactive Properties of Pulse-Based Snacks. Molecules 2020; 25:molecules25163716. [PMID: 32824075 PMCID: PMC7463836 DOI: 10.3390/molecules25163716] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/12/2020] [Accepted: 08/14/2020] [Indexed: 11/16/2022] Open
Abstract
Food processing optimization can enhance the nutrient bioavailability, storage time, and stability of convenience foods. Baking is a heat and mass transfer process with a high impact on the shelf-life of the obtained product; a small variation in the parameters during baking can lead to significant changes in the end baked product, as it significantly affects the food nutrient profile and bioactive compounds. Response surface methodology (RSM) was used for mapping a response surface over a particular region of interest of baking conditions. The combined effect of the two factors (baking temperature and time) on the selected quality and bioactive parameters as dependent factors was evaluated in order to predict the optimal baking conditions which can facilitate the extended shelf-life of the product through maximizing the antioxidant bioactive properties. This design was used to develop models to predict the effect of the temperature and time baking profile and select those conditions where the quality and bioactive parameters reached a balance to obtain pulse snacks with a high quality, enhanced bioactive properties, and thus a longer shelf-life. Simultaneous optimization by the desirability function showed that a maximum temperature of 210 °C and a time of 14 min were the optimum conditions to produce a pulse-based snack with high antioxidant-antihypertensive activity and nutritional quality.
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Affiliation(s)
- Daniel Rico
- Subdirection of Research and Technology, Agro-Technological Institute of Castilla y León, Consejería de Agricultura y Ganadería, Finca de Zamadueñas, Ctra. Burgos km. 119, 47171 Valladolid, Spain;
| | - Ana M. González-Paramás
- Polyphenol Group, Campus Miguel de Unamuno, University of Salamanca, 37007 Salamanca, Spain; (A.M.G.-P.); (C.B.)
| | - Cristina Brezmes
- Polyphenol Group, Campus Miguel de Unamuno, University of Salamanca, 37007 Salamanca, Spain; (A.M.G.-P.); (C.B.)
| | - Ana Belén Martín-Diana
- Subdirection of Research and Technology, Agro-Technological Institute of Castilla y León, Consejería de Agricultura y Ganadería, Finca de Zamadueñas, Ctra. Burgos km. 119, 47171 Valladolid, Spain;
- Correspondence: ; Tel.: +34-983-410-366
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Tejpal S, Wemyss AM, Bastie CC, Klein-Seetharaman J. Lemon Extract Reduces Angiotensin Converting Enzyme (ACE) Expression and Activity and Increases Insulin Sensitivity and Lipolysis in Mouse Adipocytes. Nutrients 2020; 12:E2348. [PMID: 32781523 PMCID: PMC7468735 DOI: 10.3390/nu12082348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/31/2020] [Accepted: 08/03/2020] [Indexed: 01/06/2023] Open
Abstract
Obesity is associated with insulin resistance and cardiovascular complications. In this paper, we examine the possible beneficial role of lemon juice in dieting. Lemon extract (LE) has been proposed to improve serum insulin levels and decrease angiotensin converting enzyme (ACE) activity in mouse models. ACE is also a biomarker for sustained weight loss and ACE inhibitors improve insulin sensitivity in humans. Here, we show that LE impacts adipose tissue metabolism directly. In 3T3-L1 differentiated adipocyte cells, LE improved insulin sensitivity as evidenced by a 3.74 ± 0.54-fold increase in both pAKT and GLUT4 levels. LE also induced lipolysis as demonstrated by a 16.6 ± 1.2 fold-change in pHSL protein expression levels. ACE gene expression increased 12.0 ± 0.1 fold during differentiation of 3T3-L1 cells in the absence of LE, and treatment with LE decreased ACE gene expression by 80.1 ± 0.5% and protein expression by 55 ± 0.37%. We conclude that LE's reduction of ACE expression causes increased insulin sensitivity and breakdown of lipids in adipocytes.
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Affiliation(s)
- Shilpa Tejpal
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
| | - Alan M. Wemyss
- Department of Chemistry, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
| | - Claire C. Bastie
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
| | - Judith Klein-Seetharaman
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
- Department of Chemistry, Colorado School of Mines, Golden, CO 80401, USA
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22
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Montserrat-de la Paz S, Rodriguez-Martin NM, Villanueva A, Pedroche J, Cruz-Chamorro I, Millan F, Millan-Linares MC. Evaluation of Anti-Inflammatory and Atheroprotective Properties of Wheat Gluten Protein Hydrolysates in Primary Human Monocytes. Foods 2020; 9:E854. [PMID: 32630013 DOI: 10.3390/foods9070854] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/12/2020] [Accepted: 06/29/2020] [Indexed: 02/07/2023] Open
Abstract
Bioactive protein hydrolysates have been identified in several sources as possible agents in the prevention and treatment of many diseases. A wheat gluten (WG) concentrate was hydrolyzed by Alcalase under specific conditions. The resulting hydrolysates were evaluated by in vitro cell-free experiments leading to the identification of one bioactive WG protein hydrolysate (WGPH), which was used at 50 and 100 μg/mL on primary human monocytes. Reactive oxygen species (ROS) and nitrite levels and RT-qPCR and ELISA techniques were used to analyze the functional activity of WGPH. Our results showed that WGPH hydrolyzed in 45 min (WGPH45A) down-regulated gene expression of Interleukin (IL)-1β, IL-6, IL-17, and Interferon gamma (IFNγ) and reduced cytokine release in lipopolysaccharide (LPS)-stimulated monocytes. In addition, WGPH45A down-regulated gene-related to atherosclerotic onset. Our results suggest that WGPH45A has a potent anti-inflammatory and atheroprotective properties, reducing the expression of gene-related inflammation and atherosclerosis that could be instrumental in maintaining cardiovascular homeostasis.
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Alcaide-Hidalgo JM, Margalef M, Bravo FI, Muguerza B, López-Huertas E. Virgin olive oil (unfiltered) extract contains peptides and possesses ACE inhibitory and antihypertensive activity. Clin Nutr 2020; 39:1242-1249. [DOI: 10.1016/j.clnu.2019.05.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/22/2019] [Accepted: 05/16/2019] [Indexed: 01/01/2023]
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Us Medina U, Millán Linares MDC, Arana Argáez V, Segura-Campos MR. [In vitro antioxidant and anti-inflammatory activity of chaya extracts (Cnidoscolus aconitifolius (Mill.) I.M. Johnst)]. NUTR HOSP 2020; 37:46-55. [PMID: 31825233 DOI: 10.20960/nh.02752] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Introduction Introduction: noncommunicable diseases (NCDs) are the main cause of death worldwide. Secondary metabolites from plant sources such as Cnidoscolus aconitifolius may be used as adjuvants in the prevention of diseases related to oxidative stress and inflammation such as NCDs. Objective: the in vitro antioxidant and anti-inflammatory activities associated with biologically active compounds in C. aconitifolius extracts were evaluated. Method: the contents of phenols, flavonoids, flavonones and hydroflavonoles were determined. The potential antioxidant activity was determined with 1,1-Diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assays, and angiotensin-converting enzyme (ACE) activity. For anti-inflammatory activity quantitative PCR and enzyme-linked immunosorbent assay (ELISA) tests were used in macrophages derived from THP-1 monocytes and stimulated with LPS. Results: the aqueous extract recorded the highest phenolic content (70.61 0.07 g/100 g of extract), and the ethanolic extract registered the highest content in flavonoids (47.76 4.84 g/100 g of extract), flavonones and dihydroflavonoles (70.10 7.29 g/100 g of extract). The acetone extract obtained the highest DPPH inhibition (49.85 ± 5.30%), while the ethanolic extract showed the highest ABTS inhibition (41.01 ± 3.81%). The etanolic and aqueous extracts had the highest ACE inhibition. The ethanolic extract had the highest anti-inflammatory activity, decreasing gene expression for TNF- by 39.78% and for IL-6 by 97.81%, and their production by 46% and 48.38%, respectively, in macrophages stimulated with LPS. Conclusion: these extracts demonstrated in vitro their antioxidant and anti-inflammatory potential due to their content of bioactive compounds.
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Alcaide-Hidalgo JM, Romero M, Duarte J, López-Huertas E. Antihypertensive Effects of Virgin Olive Oil (Unfiltered) Low Molecular Weight Peptides with ACE Inhibitory Activity in Spontaneously Hypertensive Rats. Nutrients 2020; 12:nu12010271. [PMID: 31968696 PMCID: PMC7019360 DOI: 10.3390/nu12010271] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/15/2020] [Accepted: 01/16/2020] [Indexed: 01/15/2023] Open
Abstract
The low molecular weight peptide composition of virgin olive oil (VOO) is mostly unknown. We hypothesised that unfiltered VOO could possess low molecular weight peptides with antihypertensive activity. We produced unfiltered VOO and obtained a water-soluble peptide extract from it. The peptides were separated by size-exclusion using fast protein liquid chromatography, and the low molecular weight fraction was analysed by nanoscale liquid chromatography-Orbitrap coupled with tandem mass spectrometry and de novo sequencing. We selected 23 peptide sequences containing between 6 and 9 amino acids and molecular masses ranging 698–1017 Da. Those peptides were chemically synthesised and their angiotensin-converting enzyme (ACE) inhibitory activity was studied in vitro. Seven peptides showed a strong activity, with half maximal inhibitory concentration (IC50) <10 µm. The antihypertensive effects of the four most active synthesised ACE inhibitor peptides were studied in spontaneously hypertensive rats (SHR). Acute oral administration of synthetic peptides RDGGYCC and CCGNAVPQ showed antihypertensive activity in SHR. We conclude that unfiltered VOO naturally contains low molecular weight peptides with specific ACE inhibitory activity and antihypertensive effects in SHR.
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Affiliation(s)
- Juan María Alcaide-Hidalgo
- Group of Antioxidants and Free Radicals in Biotechnology, Food and Agriculture, Estación Experimental Zaidín, Consejo Superior de Investigaciones Científicas (CSIC), Profesor Albareda 1, 18008 Granada, Spain;
| | - Miguel Romero
- Pharmacology Department, Faculty of Pharmacy, University of Granada, CIBER-Enfermedades Cardiovasculares (CiberCV), 18071 Granada, Spain; (M.R.); (J.D.)
| | - Juan Duarte
- Pharmacology Department, Faculty of Pharmacy, University of Granada, CIBER-Enfermedades Cardiovasculares (CiberCV), 18071 Granada, Spain; (M.R.); (J.D.)
| | - Eduardo López-Huertas
- Group of Antioxidants and Free Radicals in Biotechnology, Food and Agriculture, Estación Experimental Zaidín, Consejo Superior de Investigaciones Científicas (CSIC), Profesor Albareda 1, 18008 Granada, Spain;
- Correspondence: ; Tel.: +34-958-181600 (ext. 181); Fax: +34-958-181609
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Sousa P, Borges S, Pintado M. Enzymatic hydrolysis of insectAlphitobius diaperinustowards the development of bioactive peptide hydrolysates. Food Funct 2020; 11:3539-3548. [DOI: 10.1039/d0fo00188k] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Edible insects are a promising protein source for the future generation, due to their nutritional composition, sustainability and low environmental impact.
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Affiliation(s)
- Pedro Sousa
- Universidade Católica Portuguesa
- CBQF – Centro de Biotecnologia e Química Fina – Laboratório Associado
- Escola Superior de Biotecnologia
- 4169-005 Porto
- Portugal
| | - Sandra Borges
- Universidade Católica Portuguesa
- CBQF – Centro de Biotecnologia e Química Fina – Laboratório Associado
- Escola Superior de Biotecnologia
- 4169-005 Porto
- Portugal
| | - Manuela Pintado
- Universidade Católica Portuguesa
- CBQF – Centro de Biotecnologia e Química Fina – Laboratório Associado
- Escola Superior de Biotecnologia
- 4169-005 Porto
- Portugal
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27
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Moreira SA, Silva S, Costa EM, Saraiva JA, Pintado M. Effect of high hydrostatic pressure extraction on biological activities of stinging nettle extracts. Food Funct 2020; 11:921-931. [DOI: 10.1039/c9fo02442e] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ethanolic extracts obtained at 200 MPa presented higher phenolic compound concentration and better results concerning all biological activities and also showed potential for DNA protection with no pro-oxidant activity and no cytotoxicity.
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Affiliation(s)
- Sílvia A. Moreira
- QOPNA & LAQV-REQUIMTE
- Departamento de Química
- Campus Universitário de Santiago Universidade de Aveiro
- 3810-193 Aveiro
- Portugal
| | - Sara Silva
- CBQF – Centro de Biotecnologia e Química Fina – Laboratório Associado
- Escola Superior de Biotecnologia
- Universidade Católica Portuguesa
- 4169-005 Porto
- Portugal
| | - Eduardo M. Costa
- CBQF – Centro de Biotecnologia e Química Fina – Laboratório Associado
- Escola Superior de Biotecnologia
- Universidade Católica Portuguesa
- 4169-005 Porto
- Portugal
| | - Jorge A. Saraiva
- QOPNA & LAQV-REQUIMTE
- Departamento de Química
- Campus Universitário de Santiago Universidade de Aveiro
- 3810-193 Aveiro
- Portugal
| | - Manuela Pintado
- CBQF – Centro de Biotecnologia e Química Fina – Laboratório Associado
- Escola Superior de Biotecnologia
- Universidade Católica Portuguesa
- 4169-005 Porto
- Portugal
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Pujiastuti DY, Ghoyatul Amin MN, Alamsjah MA, Hsu JL. Marine Organisms as Potential Sources of Bioactive Peptides that Inhibit the Activity of Angiotensin I-Converting Enzyme: A Review. Molecules 2019; 24:molecules24142541. [PMID: 31336853 PMCID: PMC6680877 DOI: 10.3390/molecules24142541] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/04/2019] [Accepted: 07/09/2019] [Indexed: 11/16/2022] Open
Abstract
Angiotensin I-converting enzyme (ACE) is a paramount therapeutic target to treat hypertension. ACE inhibitory peptides derived from food protein sources are regarded as safer alternatives to synthetic antihypertensive drugs for treating hypertension. Recently, marine organisms have started being pursued as sources of potential ACE inhibitory peptides. Marine organisms such as fish, shellfish, seaweed, microalgae, molluscs, crustaceans, and cephalopods are rich sources of bioactive compounds because of their high-value metabolites with specific activities and promising health benefits. This review aims to summarize the studies on peptides from different marine organisms and focus on the potential ability of these peptides to inhibit ACE activity.
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Affiliation(s)
- Dwi Yuli Pujiastuti
- Department of Marine, Faculty of Fisheries and Marine, Universitas Airlangga, Surabaya 60115, Indonesia.
| | - Muhamad Nur Ghoyatul Amin
- Department of Marine, Faculty of Fisheries and Marine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Mochammad Amin Alamsjah
- Department of Marine, Faculty of Fisheries and Marine, Universitas Airlangga, Surabaya 60115, Indonesia.
| | - Jue-Liang Hsu
- Department of Biological Science and Technology, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
- Research Center for Austronesian Medicine and Agriculture, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
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29
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Ganguly A, Sharma K, Majumder K. Food-derived bioactive peptides and their role in ameliorating hypertension and associated cardiovascular diseases. Adv Food Nutr Res 2019; 89:165-207. [PMID: 31351525 DOI: 10.1016/bs.afnr.2019.04.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Non-communicable diseases including cardiovascular diseases (CVDs) and associated metabolic disorders are responsible for nearly 40 million deaths globally per year. Hypertension or high blood pressure (BP) is one of the primary reasons for the development of CVDs. A healthy nutritional strategy complementing with physical activity can substantially reduce high BP and prevent the occurrence of CVD-associated morbidity and mortality. Bioactive peptides currently are the next wave of the promising bench to clinic options for potential targeting chronic and acute health issues including hypertension. Peptides demonstrating anti-inflammatory, anti-oxidant, and angiotensin-converting enzyme-I inhibitory activity are widely studied for the amelioration of hypertension and associated CVDs. Isolating these potent bioactive peptides from different food sources is a promising endeavor toward nutraceutical based dietary management and prevention of hypertension. Understanding the pathophysiology of hypertension and the action mechanisms of the bioactive peptides would complement in designing and characterizing more potent peptides and suitable comprehensive dietary plans for the prevention of hypertension and associated CVDs.
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Affiliation(s)
- Advaita Ganguly
- Comprehensive Tissue Centre, UAH Transplant Services, Alberta Health Services, Edmonton, AB, Canada
| | - Kumakshi Sharma
- Health, Safety and Environment Branch, National Research Council Canada, Edmonton, AB, Canada
| | - Kaustav Majumder
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE, United States.
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30
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Tang H, Zhang J, Shi K, Aihara H, Du G. Insight into subtilisin E-S7 cleavage pattern based on crystal structure and hydrolysates peptide analysis. Biochem Biophys Res Commun 2019; 512:623-628. [PMID: 30914195 PMCID: PMC6541920 DOI: 10.1016/j.bbrc.2019.03.064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 03/11/2019] [Indexed: 01/07/2023]
Abstract
The X-ray crystallographic structure of the mature form of subtilisin E-S7 (SES7) at 1.90 Å resolution is reported here. Structural comparisons between the previously reported propeptide-subtilisin E complex (1SCJ) and our mature form subtilisin E-S7 (6O44) provide insight into active site adjustments involved in catalysis and specificity. To further investigate the protease substrate selectivity mechanism, we used SES7 to hydrolyze skim milk and analyzed the hydrolysates by LC-MS for peptide identification. The cleavage pattern suggests a high preference for proline at substrate P2 position. The results based on the peptide analysis are consistent with our structural observations, which is instrumental in future protein engineering by rational design. Furthermore, the ACE-inhibitor and NLN-inhibitor activity of the hydrolysates were determined to assess the utility of SES7 for further industrial applications; IC50-ACE = 67 ± 0.92 μg/mL and IC50-NLN = 263 ± 13 μg/mL.
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Affiliation(s)
- Heng Tang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China,School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, Chi
| | - Juan Zhang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China,School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, Chi
| | - Ke Shi
- Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Twin Cities, Minneapolis, MN 55455, USA
| | - Hideki Aihara
- Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Twin Cities, Minneapolis, MN 55455, USA.,Corresponding authors: Hideki Aihara, ., Guocheng Du,
| | - Guocheng Du
- School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, Chi,The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, China,Corresponding authors: Hideki Aihara, ., Guocheng Du,
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31
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Del Pino-García R, Rico D, Martín-Diana AB. Evaluation of bioactive properties of Vicia narbonensis L. as potential flour ingredient for gluten-free food industry. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.05.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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33
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Valdivieso P, Vaughan D, Laczko E, Brogioli M, Waldron S, Rittweger J, Flück M. The Metabolic Response of Skeletal Muscle to Endurance Exercise Is Modified by the ACE-I/D Gene Polymorphism and Training State. Front Physiol 2017; 8:993. [PMID: 29311951 PMCID: PMC5735290 DOI: 10.3389/fphys.2017.00993] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Accepted: 11/20/2017] [Indexed: 01/13/2023] Open
Abstract
The insertion/deletion polymorphism in the gene for the regulator of vascular tone, angiotensin-converting enzyme (ACE), is the prototype of a genetic influence on physical fitness and this involves an influence on capillary supply lines and dependent aerobic metabolism in skeletal muscle. The respective interaction of ACE-I/D genotype and training status on local metabolic and angiogenic reactions in exercised muscle is not known. Toward this end we characterized the metabolomic and angiogenic response in knee extensor muscle, m. vastus lateralis, in 18 untrained and 34 endurance-trained (physically active, [Formula: see text]O2max > 50 mL min-1 kg-1) white British men to an exhaustive bout of one-legged cycling exercise. We hypothesized that training status and ACE-I/D genotype affect supply-related muscle characteristics of exercise performance in correspondence to ACE expression and angiotensin 2 levels. ACE-I/D genotype and training status developed an interaction effect on the cross-sectional area (CSA) of m. vastus lateralis and mean CSA of slow type fibers, which correlated with peak power output (r ≥ 0.44). Genotype × training interactions in muscle also resolved for exercise-induced alterations of 22 metabolites, 8 lipids, glycogen concentration (p = 0.016), ACE transcript levels (p = 0.037), and by trend for the pro-angiogenic factor tenascin-C post exercise (p = 0.064). Capillary density (p = 0.001), capillary-to-fiber ratio (p = 0.010), systolic blood pressure (p = 0.014), and exercise-induced alterations in the pro-angiogenic protein VEGF (p = 0.043) depended on the ACE-I/D genotype alone. Our observations indicate that variability in aerobic performance in the studied subjects was in part reflected by an ACE-I/D-genotype-modulated metabolic phenotype of a major locomotor muscle. Repeated endurance exercise appeared to override this genetic influence in skeletal muscle by altering the ACE-related metabolic response and molecular aspects of the angiogenic response to endurance exercise.
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Affiliation(s)
- Paola Valdivieso
- Laboratory for Muscle Plasticity, Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - David Vaughan
- The Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, United Kingdom
| | - Endre Laczko
- Functional Genomics Center Zurich, ETH, University of Zurich, Zurich, Switzerland
| | - Michael Brogioli
- The Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, United Kingdom
| | - Sarah Waldron
- The Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, United Kingdom
| | - Jörn Rittweger
- The Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, United Kingdom.,Institute of Aerospace Medicine, German Aerospace Center, Cologne, Germany.,Department of Pediatrics and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Martin Flück
- Laboratory for Muscle Plasticity, Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.,The Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, United Kingdom
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34
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Bounouala FZ, Roudj S, Karam NE, Recio I, Miralles B. Casein Hydrolysates by Lactobacillus brevis and Lactococcus lactis Proteases: Peptide Profile Discriminates Strain-Dependent Enzyme Specificity. J Agric Food Chem 2017; 65:9324-9332. [PMID: 28965394 DOI: 10.1021/acs.jafc.7b03203] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Casein from ovine and bovine milk were hydrolyzed with two extracellular protease preparations from Lactobacillus brevis and Lactococcus lactis. The hydrolysates were analyzed by HPLC-MS/MS for peptide identification. A strain-dependent peptide profile could be observed, regardless of the casein origin, and the specificity of these two proteases could be computationally ascribed. The cleavage pattern yielding phenylalanine, leucine, or tyrosine at C-terminal appeared both at L. lactis and Lb. brevis hydrolysates. However, the cleavage C-terminal to lysine was favored with Lb. brevis protease. The hydrolysates showed ACE-inhibitory activity with IC50 in the 16-70 μg/mL range. Ovine casein hydrolysates yielded greater ACE-inhibitory activity. Previously described antihypertensive and opioid peptides were found in these ovine and bovine casein hydrolysates and prediction of the antihypertensive activity of the sequences based on quantitative structure and activity relationship (QSAR) was performed. This approach might represent a useful classification tool regarding health-related properties prior to further purification.
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Affiliation(s)
- Fatima Zohra Bounouala
- Instituto de Investigación en Ciencias de la Alimentación, Consejo Superior de Investigaciones Científicas - Universidad Autónoma de Madrid (CIAL, CSIC-UAM) , Nicolás Cabrera 9, 28049 Madrid, Spain
- Laboratoire de Biologie des Microorganismes et Biotechnologie (LBMB). Université d'Oran 1 Ahmed Ben Bella , BP 1524 Oran El Mnaouer, 31000, Oran, Algérie
| | - Salima Roudj
- Laboratoire de Biologie des Microorganismes et Biotechnologie (LBMB). Université d'Oran 1 Ahmed Ben Bella , BP 1524 Oran El Mnaouer, 31000, Oran, Algérie
| | - Nour-Eddine Karam
- Laboratoire de Biologie des Microorganismes et Biotechnologie (LBMB). Université d'Oran 1 Ahmed Ben Bella , BP 1524 Oran El Mnaouer, 31000, Oran, Algérie
| | - Isidra Recio
- Instituto de Investigación en Ciencias de la Alimentación, Consejo Superior de Investigaciones Científicas - Universidad Autónoma de Madrid (CIAL, CSIC-UAM) , Nicolás Cabrera 9, 28049 Madrid, Spain
| | - Beatriz Miralles
- Instituto de Investigación en Ciencias de la Alimentación, Consejo Superior de Investigaciones Científicas - Universidad Autónoma de Madrid (CIAL, CSIC-UAM) , Nicolás Cabrera 9, 28049 Madrid, Spain
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35
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Grootaert C, Jacobs G, Matthijs B, Pitart J, Baggerman G, Possemiers S, Van der Saag H, Smagghe G, Van Camp J, Voorspoels S. Quantification of egg ovalbumin hydrolysate-derived anti-hypertensive peptides in an in vitro model combining luminal digestion with intestinal Caco-2 cell transport. Food Res Int 2017; 99:531-541. [DOI: 10.1016/j.foodres.2017.06.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 05/31/2017] [Accepted: 06/01/2017] [Indexed: 10/19/2022]
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36
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Mirzapour M, Rezaei K, Sentandreu MA. Identification of Potent ACE Inhibitory Peptides from Wild Almond Proteins. J Food Sci 2017; 82:2421-2431. [PMID: 28833139 DOI: 10.1111/1750-3841.13840] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 07/06/2017] [Accepted: 07/14/2017] [Indexed: 11/29/2022]
Abstract
In this study, the production, fractionation, purification and identification of ACE (angiotensin-I-converting enzyme) inhibitory peptides from wild almond (Amygdalus scoparia) proteins were investigated. Wild almond proteins were hydrolyzed using 5 different enzymes (pepsin, trypsin, chymotrypsin, alcalase and flavourzyme) and assayed for their ACE inhibitory activities. The degree of ACE inhibiting activity obtained after hydrolysis was found to be in the following order: alcalase > chymotrypsin > trypsin/pepsin > flavourzyme. The hydrolysates obtained from alcalase (IC50 = 0.8 mg/mL) were fractionated by sequential ultrafiltration at 10 and 3 kDa cutoff values and the most active fraction (<3 kDa) was further separated using reversed phase high-performance liquid chromatography (RP-HPLC). Peptide sequence identifications were carried out on highly potential fractions obtained from RP-HPLC by means of liquid chromatography coupled to electrospray ionization and tandem mass spectrometry (LC-ESI-MS/MS). Sequencing of ACE inhibitory peptides present in the fraction 26 of RP-HPLC resulted in the identification of 3 peptide sequences (VVNE, VVTR, and VVGVD) not reported previously in the literature. Sequence identification of fractions 40 and 42 from RP-HPLC, which showed the highest ACE inhibitory activities (84.1% and 86.9%, respectively), resulted in the identification of more than 40 potential ACE inhibitory sequences. The results indicate that wild almond protein is a rich source of potential antihypertensive peptides and can be suggested for applications in functional foods and drinks with respect to hindrance and mitigation of hypertension after in vivo assessment. PRACTICAL APPLICATION This study has shown the potential of wild almond proteins as good sources for producing ACE-inhibitory active peptides. According to this finding, peptides with higher ACE inhibitory activities could be released during the gastrointestinal digestion and contribute to the health- promoting activities of this natural protein source.
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Affiliation(s)
- Mozhgan Mirzapour
- Dept. of Food Science, Engineering and Technology, Univ. of Tehran, Karaj, 31587-77871, Iran
| | - Karamatollah Rezaei
- Dept. of Food Science, Engineering and Technology, Univ. of Tehran, Karaj, 31587-77871, Iran.,Center of Excellence for Application of Modern Technologies for Producing Functional Foods and Drinks, Univ. of Tehran, Karaj, 31587-77871, Iran
| | - Miguel Angel Sentandreu
- Inst. de Agroquímica y Tecnología de Alimentos (CSIC), Avd. Agustín Escardino 7, 46980, Paterna, Valencia, Spain
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Errarte P, Beitia M, Perez I, Manterola L, Lawrie CH, Solano-Iturri JD, Calvete-Candenas J, Unda M, López JI, Larrinaga G. Expression and activity of angiotensin-regulating enzymes is associated with prognostic outcome in clear cell renal cell carcinoma patients. PLoS One 2017; 12:e0181711. [PMID: 28809959 DOI: 10.1371/journal.pone.0181711] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 07/06/2017] [Indexed: 12/15/2022] Open
Abstract
The discovery of the intrarenal renin-angiotensin system (iRAS), which regulates angiogenesis, cell differentiation and proliferation, has opened new perspectives in the knowledge of kidney carcinogenesis. In this study we analyzed the immunohistochemical expression and fluorimetric activity of four key peptidases of iRAS in tumor tissue (n = 144) and serum samples (n = 128) from patients with renal neoplasms. Neutral endopeptidase (NEP/CD10), Angiotensin-converting enzyme-2 (ACE2), and aminopeptidase A (APA) were expressed in tumor cells whilst Angiotensin-converting enzyme (ACE) was expressed in the endothelial cells of intratumor blood vessels. The expression of ACE, ACE2 and NEP/CD10 was highest in clear cell renal cell carcinoma (CCRCC) and papillary renal cell carcinoma (PRCC). The expression of these enzymes correlated with CCRCC aggressiveness. In addition, NEP/CD10 correlated with 15-year overall survival. On the other hand, APA expression was decreased in CCRCC with higher grade and stage. The loss of expression of APA independently correlated with a worse 15-year overall survival. Serum activity of ACE2, NEP/CD10 and APA was significantly higher in renal tumor patients than in healthy subjects. Serum ACE activity was lower in high grade and metastatic CCRCC patients, and NEP/CD10 activity was negatively correlated with UISS (UCLA Integrated Staging System) and SSIGN (Mayo Clinic stage, size, grade and necrosis model) scores and with overall survival of CCRCC patients. These results suggest a metabolic imbalance of iRAS in renal tumors. This finding should be taken into account in the search of new diagnostic, prognostic and therapeutic tools for this disease.
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38
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Mladic M, de Waal T, Burggraaff L, Slagboom J, Somsen GW, Niessen WMA, Manjunatha Kini R, Kool J. Rapid screening and identification of ACE inhibitors in snake venoms using at-line nanofractionation LC-MS. Anal Bioanal Chem 2017; 409:5987-5997. [PMID: 28801827 PMCID: PMC5602078 DOI: 10.1007/s00216-017-0531-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 06/13/2017] [Accepted: 07/17/2017] [Indexed: 11/05/2022]
Abstract
This study presents an analytical method for the screening of snake venoms for inhibitors of the angiotensin-converting enzyme (ACE) and a strategy for their rapid identification. The method is based on an at-line nanofractionation approach, which combines liquid chromatography (LC), mass spectrometry (MS), and pharmacology in one platform. After initial LC separation of a crude venom, a post-column flow split is introduced enabling parallel MS identification and high-resolution fractionation onto 384-well plates. The plates are subsequently freeze-dried and used in a fluorescence-based ACE activity assay to determine the ability of the nanofractions to inhibit ACE activity. Once the bioactive wells are identified, the parallel MS data reveals the masses corresponding to the activities found. Narrowing down of possible bioactive candidates is provided by comparison of bioactivity profiles after reversed-phase liquid chromatography (RPLC) and after hydrophilic interaction chromatography (HILIC) of a crude venom. Additional nanoLC-MS/MS analysis is performed on the content of the bioactive nanofractions to determine peptide sequences. The method described was optimized, evaluated, and successfully applied for screening of 30 snake venoms for the presence of ACE inhibitors. As a result, two new bioactive peptides were identified: pELWPRPHVPP in Crotalus viridis viridis venom with IC50 = 1.1 μM and pEWPPWPPRPPIPP in Cerastes cerastes cerastes venom with IC50 = 3.5 μM. The identified peptides possess a high sequence similarity to other bradykinin-potentiating peptides (BPPs), which are known ACE inhibitors found in snake venoms.
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Affiliation(s)
- Marija Mladic
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands
| | - Tessa de Waal
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands
| | - Lindsey Burggraaff
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands
| | - Julien Slagboom
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands
| | - Govert W Somsen
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands
| | - Wilfried M A Niessen
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands.,hyphen MassSpec, Herenweg 95, 2361 EK, Warmond, The Netherlands
| | - R Manjunatha Kini
- Department of Biological Science, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
| | - Jeroen Kool
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands.
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39
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O'Keeffe MB, Norris R, Alashi MA, Aluko RE, FitzGerald RJ. Peptide identification in a porcine gelatin prolyl endoproteinase hydrolysate with angiotensin converting enzyme (ACE) inhibitory and hypotensive activity. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.04.018] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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40
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Jenis J, Kim JY, Uddin Z, Song YH, Lee HH, Park KH. Phytochemical profile and angiotensin I converting enzyme (ACE) inhibitory activity of Limonium michelsonii Lincz. J Nat Med 2017; 71:650-8. [PMID: 28550653 DOI: 10.1007/s11418-017-1095-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 05/15/2017] [Indexed: 10/19/2022]
Abstract
Members of the genus Limonium are widely used as medicinal herbs due to their health-promoting effects, such as an ability to improve blood circulation by inhibiting angiotensin I converting enzyme (ACE). While the potential of L. michelsonii Lincz. (a medicinal plant endemic to Kazakhstan) to inhibit ACE has been demonstrated, the inhibitory activities of its secondary metabolites have not been explored. In this work, the principal phenolic compounds (1-20) among these metabolites were isolated to determine the components responsible for ACE inhibition. The natural abundances of the active constituents within the target plant were characterized by UPLC-Q-TOF/MS analysis. All of the isolated compounds except for gallates 10-12 were found to significantly inhibit ACE, with IC50 values of between 7.1 and 138.4 μM. Unexpectedly, the flavonol glycosides 16-20 were observed to be more potent than the corresponding aglycones 4 and 5. For example, quercetin (4) had IC50 = 30.3 μM, whereas its glycosides (16, 17) had IC50 = 10.2 and 14.5 μM, respectively. A similar trend was observed for myricetin (5) and its glycosides (18-20). In a kinetic study, the flavonols 3-5 and 16-20 and the dihydroflavonols 8 and 9 behaved as competitive inhibitors, whereas other flavones (1, 2, 13-15) and flavanones (6, 7) performed noncompetitive inhibition.
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Grootaert C, Matthijs B, Voorspoels S, Possemiers S, Smagghe G, Van Camp J. Egg-derived bioactive peptides with ACE-inhibitory properties: a literature update. Food Funct 2017; 8:3847-3855. [DOI: 10.1039/c7fo00839b] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Egg proteins contain a wide set of peptide sequences which have an impact on cardiovascular health.
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Affiliation(s)
- Charlotte Grootaert
- Department of Food Safety and Food Quality
- Faculty of Bioscience Engineering
- Ghent University
- 9000 Ghent
- Belgium
| | - Bea Matthijs
- Department of Food Safety and Food Quality
- Faculty of Bioscience Engineering
- Ghent University
- 9000 Ghent
- Belgium
| | - Stefan Voorspoels
- Flemisch Institute for Technological Research (VITO NV
- Vlaamse Instelling voor Technologisch Onderzoek)
- Boeretang 200 B-2400 Mol
- Belgium
| | | | - Guy Smagghe
- Department of Crop Protection
- Faculty of Bioscience Engineering
- Ghent University
- 9000 Ghent
- Belgium
| | - John Van Camp
- Department of Food Safety and Food Quality
- Faculty of Bioscience Engineering
- Ghent University
- 9000 Ghent
- Belgium
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Fernández M, Benito MJ, Martín A, Casquete R, Córdoba JJ, Córdoba MG. Influence of starter culture and a protease on the generation of ACE-inhibitory and antioxidant bioactive nitrogen compounds in Iberian dry-fermented sausage "salchichón". Heliyon 2016; 2:e00093. [PMID: 27441267 PMCID: PMC4946076 DOI: 10.1016/j.heliyon.2016.e00093] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 02/19/2016] [Accepted: 03/21/2016] [Indexed: 12/02/2022] Open
Abstract
The effect of the addition of an autochthonous starter culture and the protease EPg222 on the generation of angiotensin-I-converting enzyme (ACE)-inhibitory and antioxidant compounds by the dry-fermented sausage "salchichón" was investigated. Sausages were prepared with purified EPg222 and Pediococcus acidilactici MS200 and Staphylococcus vitulus RS34 as the starter culture (P200S34), separately and together, ripened for 90 days, and compared to a control batch. Among the ripening time points (20, 35, 65, 90 days) studied, batches inoculated with EPg222 had higher nitrogen compound concentrations at 63 days of ripening. ACE-inhibitory and antioxidant activities were also highest in both batches with EPg222 at 63 days of ripening, and these activities were stable in most cases after in vitro simulated gastrointestinal digestion. These activities were correlated with the most relevant compounds detected by HLPC-ESI-MS. The principal components analysis (PCA) linked the P200S34 + EPg222 batch with the major compounds identified. The antioxidant activity was higher at 63 days of ripening, especially in highly proteolytic batches, such as P200S34 + EPg222. The ACE-inhibitory activity was not associated with any of the major compounds. The use of the enzyme EPg222 in association with the starter culture P200S34 in the preparation of dry-cured meat products could be of great importance due to their demonstrated ability to produce compounds with high biological activity, such as ACE-inhibitory and antioxidant activity.
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Affiliation(s)
- Margarita Fernández
- Nutrición y Bromatología, Escuela de Ingenierías Agrarias, e Instituto Universitario de Investigación de Recursos Agrarios (INURA), Universidad de Extremadura, Ctra. de Cáceres s/n., 06071 Badajoz, Spain
| | - María J. Benito
- Nutrición y Bromatología, Escuela de Ingenierías Agrarias, e Instituto Universitario de Investigación de Recursos Agrarios (INURA), Universidad de Extremadura, Ctra. de Cáceres s/n., 06071 Badajoz, Spain
| | - Alberto Martín
- Nutrición y Bromatología, Escuela de Ingenierías Agrarias, e Instituto Universitario de Investigación de Recursos Agrarios (INURA), Universidad de Extremadura, Ctra. de Cáceres s/n., 06071 Badajoz, Spain
| | - Rocío Casquete
- Nutrición y Bromatología, Escuela de Ingenierías Agrarias, e Instituto Universitario de Investigación de Recursos Agrarios (INURA), Universidad de Extremadura, Ctra. de Cáceres s/n., 06071 Badajoz, Spain
| | - Juan J Córdoba
- Higiene y Seguridad de los Alimentos, Universidad de Extremadura, Avda. Universidad s/n, 10071 Cáceres, Spain
| | - María G. Córdoba
- Nutrición y Bromatología, Escuela de Ingenierías Agrarias, e Instituto Universitario de Investigación de Recursos Agrarios (INURA), Universidad de Extremadura, Ctra. de Cáceres s/n., 06071 Badajoz, Spain
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Affiliation(s)
- Young-Pil Kim
- Department of Life Science; Research Institute for Natural Sciences, &; Institute of Nano Science and Technology; Hanyang University; Seoul 04763 Republic of Korea
| | - Hak-Sung Kim
- Department of Biological Sciences; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
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Norris R, O’keeffe MB, Poyarkov A, Fitzgerald RJ. Peptide identification and angiotensin converting enzyme (ACE) inhibitory activity in prolyl endoproteinase digests of bovine αs-casein. Food Chem 2015; 188:210-7. [DOI: 10.1016/j.foodchem.2015.04.130] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 03/27/2015] [Accepted: 04/28/2015] [Indexed: 01/03/2023]
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Garcés-rimón M, López-expósito I, López-fandiño R, Miguel M. Egg white hydrolysates with in vitro biological multiactivities to control complications associated with the metabolic syndrome. Eur Food Res Technol 2016; 242:61-9. [DOI: 10.1007/s00217-015-2518-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Guo L, Harnedy PA, Zhang L, Li B, Zhang Z, Hou H, Zhao X, FitzGerald RJ. In vitro assessment of the multifunctional bioactive potential of Alaska pollock skin collagen following simulated gastrointestinal digestion. J Sci Food Agric 2015; 95:1514-1520. [PMID: 25082083 DOI: 10.1002/jsfa.6854] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Revised: 06/22/2014] [Accepted: 07/28/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND Dietary mineral deficiency, hypertension and diabetes have become serious human health problems. Dietary approaches are increasingly being investigated to address these issues. Identification of food-derived biological peptides has become an important approach to control such diseases. Peptides generated from aquatic byproducts have been shown to possess biological activities. RESULTS Significantly higher copper-chelating activity was observed on simulated hydrolysis of intact collagen. The collagen hydrolysate generated in the gastric stage exhibited moderate angiotensin-converting enzyme (ACE)-inhibitory activity with an IC50 value of 2.92 ± 0.22 mg mL(-1), which significantly decreased to 0.49 ± 0.02 mg mL(-1) after intestinal digestion. The dipeptidyl peptidase (DPP) IV-inhibitory potency of the collagen hydrolysate generated directly following simulated gastrointestinal digestion (SGID) (IC50 2.59 ± 0.04 mg mL(-1)) was significantly lower than that of the collagen tryptic hydrolysate (CTH) (IC50 1.53 ± 0.01 mg mL(-1)). The antioxidant activities of collagen and CTH using the ferric-reducing antioxidant power (FRAP) assay were 0.87 ± 0.10 and 1.27 ± 0.03 µmol Trolox equivalent (TE) g(-1) respectively after SGID. CONCLUSION This study identifies collagen as a good and inexpensive substrate for the generation of biologically active peptides with potential applications as functional ingredients in the management of chronic illness and mineral deficiency problems.
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Affiliation(s)
- Lidong Guo
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao, Shandong, 266003, China; Department of Life Sciences, University of Limerick, Limerick, Ireland
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Passaglia P, Ceron CS, Mecawi AS, Antunes-Rodrigues J, Coelho EB, Tirapelli CR. Angiotensin type 1 receptor mediates chronic ethanol consumption-induced hypertension and vascular oxidative stress. Vascul Pharmacol 2015; 74:49-59. [PMID: 25872164 DOI: 10.1016/j.vph.2015.04.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 03/09/2015] [Accepted: 04/04/2015] [Indexed: 02/06/2023]
Abstract
OBJECTIVES We hypothesized that chronic ethanol intake enhances vascular oxidative stress and induces hypertension through renin-angiotensin system (RAS) activation. METHODS AND RESULTS Male Wistar rats were treated with ethanol (20% v/v). The increase in blood pressure induced by ethanol was prevented by losartan (10mg/kg/day; p.o. gavage), a selective AT1 receptor antagonist. Chronic ethanol intake increased plasma renin activity (PRA), angiotensin converting enzyme (ACE) activity, plasma angiotensin I (ANG I) and angiotensin II (ANG II) levels and serum aldosterone levels. No differences on plasma osmolality and sodium or potassium levels were detected after treatment with ethanol. Ethanol consumption did not alter ACE activity, as well as the levels of ANG I and ANG II in the rat aorta or mesenteric arterial bed (MAB). Ethanol induced systemic and vascular oxidative stress (aorta and MAB) and these effects were prevented by losartan. The decrease on plasma and vascular nitrate/nitrite (NOx) levels induced by ethanol was prevented by losartan. Ethanol intake did not alter protein expression of ACE, AT1 or AT2 receptors in both aorta and MAB. Aortas from ethanol-treated rats displayed decreased ERK1/2 phosphorylation and increased protein expression of SAPK/JNK. These responses were prevented by losartan. MAB from ethanol-treated rats displayed reduced phosphorylation of p38MAPK and ERK1/2 and losartan did not prevent these responses. CONCLUSIONS Our study provides novel evidence that chronic ethanol intake increases blood pressure, induces vascular oxidative stress and decreases nitric oxide (NO) bioavailability through AT1-dependent mechanisms.
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Affiliation(s)
- Patrícia Passaglia
- Programa de pós-graduação em Toxicologia, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, São Paulo, Brazil; Escola de Enfermagem de Ribeirão Preto, Laboratório de Farmacologia, USP, Ribeirão Preto, São Paulo, Brazil
| | - Carla S Ceron
- Escola de Enfermagem de Ribeirão Preto, Laboratório de Farmacologia, USP, Ribeirão Preto, São Paulo, Brazil
| | - André S Mecawi
- Faculdade de Medicina de Ribeirão Preto, USP, Ribeirão Preto, São Paulo, Brazil
| | | | - Eduardo B Coelho
- Faculdade de Medicina de Ribeirão Preto, USP, Ribeirão Preto, São Paulo, Brazil
| | - Carlos R Tirapelli
- Escola de Enfermagem de Ribeirão Preto, Laboratório de Farmacologia, USP, Ribeirão Preto, São Paulo, Brazil.
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Correale J, Farez MF. Smoking worsens multiple sclerosis prognosis: Two different pathways are involved. J Neuroimmunol 2015; 281:23-34. [DOI: 10.1016/j.jneuroim.2015.03.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/03/2015] [Accepted: 03/04/2015] [Indexed: 12/13/2022]
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Garcia-Mora P, Peñas E, Frias J, Gomez R, Martinez-Villaluenga C. High-pressure improves enzymatic proteolysis and the release of peptides with angiotensin I converting enzyme inhibitory and antioxidant activities from lentil proteins. Food Chem 2015; 171:224-32. [DOI: 10.1016/j.foodchem.2014.08.116] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Revised: 07/11/2014] [Accepted: 08/26/2014] [Indexed: 01/02/2023]
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Peñas E, Diana M, Frias J, Quílez J, Martínez-Villaluenga C. A multistrategic approach in the development of sourdough bread targeted towards blood pressure reduction. Plant Foods Hum Nutr 2015; 70:97-103. [PMID: 25638256 DOI: 10.1007/s11130-015-0469-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Rising prevalence of hypertension is pushing food industry towards the development of innovative food products with antihypertensive effects. The aim was to study the effect of reduced sodium content and 21% addition of wholemeal wheat sourdough (produced by Lactobacillus brevis CECT 8183 and protease) on proximate composition, γ-aminobutyric acid (GABA) and peptide content of wheat bread. Angiotensin converting enzyme I (ACE) inhibitory and antioxidant activities were also evaluated. Sodium replacement by potassium salt did not affect chemical composition and biological activities of bread. In contrast, GABA and peptides <3 kDa contents in sourdough bread (SDB) were 7 and 3 times higher, respectively, than the observed in control. ACE inhibitory and antioxidant activities of the peptide fraction < 3 kDa from SDB was 1.7 and 2.6-3.0 times higher than control. Therefore, the combination of reduced sodium content with enriched concentrations of bioactive compounds in bread making may provide interesting perspectives for development of innovative breads towards blood pressure reduction.
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Affiliation(s)
- E Peñas
- Department of Food Characterization, Quality and Safety, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Juan de la Cierva 3, 28006, Madrid, Spain
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