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Nowak N, Grzebieniarz W, Juszczak L, Cholewa-Wójcik A, Synkiewicz-Musialska B, Huber V, Touraud D, Kunz W, Jamróz E. Influence of Curcuma Longa extract in citral addition on functional properties of thin films with triple-layer structure based on furcellaran and gelatin. Int J Biol Macromol 2024; 266:131344. [PMID: 38574923 DOI: 10.1016/j.ijbiomac.2024.131344] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/23/2024] [Accepted: 04/01/2024] [Indexed: 04/06/2024]
Abstract
In this study, we obtained triple-layer films based on furcellaran and gelatin, in which the middle layer was enriched with extract of Curcuma longa in citral. This newly developed material underwent a comprehensive characterisation process to identify significant improvements in its functional properties. Both SEM, XRD and FTIR analyzes indicated the formation of interactions not only between the components but also between the film layers. Notably, the incorporation of the natural extract led to a significant reduction in solubility, decreasing it from 74.79 % to 57.25 %, while enhancing thermal stability expressed as a melting point elevating it from 147.10 °C in the control film to 158.80 °C in the film with the highest concentration of the active ingredient. Simultaneously, the addition of this active ingredient resulted in decreased water contact angle (WCA) values, rendering the film more hydrophilic. The produced films exhibit great promise as packaging materials, particularly within the food industry, and the conducted research is marked by its forward-looking and developmental approach.
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Affiliation(s)
- Nikola Nowak
- Department of Chemistry, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland.
| | - Wiktoria Grzebieniarz
- Department of Chemistry, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland
| | - Lesław Juszczak
- Department of Dietetics and Food Studies, Faculty of Science and Technology, Jan Długosz University in Częstochowa, Armii Krajowej 13/15, PL-42-200 Częstochowa, Poland; Department of Food Analysis and Evaluation of Food Quality, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland
| | - Agnieszka Cholewa-Wójcik
- Department of Product Packaging, Cracow University of Economics, Rakowicka 27, PL-31-510 Kraków, Poland
| | - Beata Synkiewicz-Musialska
- Łukasiewicz Research Network - Institute of Microelectronics and Photonics, Kraków Division, Zabłocie 39, Kraków, Poland
| | - Verena Huber
- Institute of Physical and Theoretical Chemistry Universtitätsstrasse 31, University of Regensburg, 93040 Regensburg, Germany
| | - Didier Touraud
- Institute of Physical and Theoretical Chemistry Universtitätsstrasse 31, University of Regensburg, 93040 Regensburg, Germany
| | - Werner Kunz
- Institute of Physical and Theoretical Chemistry Universtitätsstrasse 31, University of Regensburg, 93040 Regensburg, Germany
| | - Ewelina Jamróz
- Department of Chemistry, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland; Department of Product Packaging, Cracow University of Economics, Rakowicka 27, PL-31-510 Kraków, Poland
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Pycia K, Juszczak L. Rheological Characteristics of Wheat Dough Containing Powdered Hazelnuts or Walnuts Oil Cakes. Foods 2023; 13:140. [PMID: 38201168 PMCID: PMC10779212 DOI: 10.3390/foods13010140] [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: 11/25/2023] [Revised: 12/19/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
This study assessed edible oil industry byproducts, oil cakes (OC) based on hazelnuts and walnuts (HOC, WOC), to replace wheat flour dough (WD) based on farinograph and extensograph parameters and rheological measurements. The research hypothesis of this work is that replacing part of wheat flour with ground nut oil cakes modifies the rheological characteristics of the dough. WF was replaced at the level of 5%, 10% and 15%. It was shown that use of OC in flour mixtures at various levels significantly influenced the rheological properties of the dough. The water absorption of wheat flour and oil cake mixtures was higher than that of the control sample, and the average value of this indicator was 53.4%. The control sample had the lowest dough development time (DDT), and the presence of HOC or WOC in the system resulted in a significant increase in this parameter (p < 0.05). The average DDT of WDHOC cakes was 4.7 min and was lower compared to WDWOC which was 5.9 min. The WDWOC10% and WDWOC15% samples were characterized by the highest dough stability value and the lowest degree of softening (p < 0.05). The presence of OC in the flour mixtures increased the values of the storage and loss moduli, which was reflected in the K' and K″ values. The values of these parameters also increased as the level of OC addition increased. WDHOC doughs were characterized by higher values of the K' and K″ parameters compared to WDWOC. The results of the creep and recovery test showed that the dough with the addition of nut OC was less susceptible to deformation compared to the control dough (p < 0.05). The resistance to deformation increased with the increasing share of HOC or WOC in the mixtures. The average value of viscoelastic compliance (J1) of this parameter for WDHOC dough was on average 1.8 × 10-4 Pa-1, and for WDWOC 2.0 × 10-4 Pa-1. Nut oil cakes are an interesting technological addition to the dough. Their use may have a positive impact on the characteristics of the finished product and expand their application possibilities in the food industry. This is because the dough with the addition of nut cakes was more stiff and less flexible and susceptible to deformation.
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Affiliation(s)
- Karolina Pycia
- Department of Food Technology and Human Nutrition, Institute of Food Technology, College of Natural Science, University of Rzeszow, Zelwerowicza Street 4, 35-601 Rzeszow, Poland
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka Street 122, 30-149 Krakow, Poland;
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Pycia K, Szpunar-Krok E, Szostek M, Pawlak R, Juszczak L. Selected Physicochemical, Thermal, and Rheological Properties of Barley Starch Depending on the Type of Soil and Fertilization with Ash from Biomass Combustion. Foods 2023; 13:49. [PMID: 38201077 PMCID: PMC10778105 DOI: 10.3390/foods13010049] [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: 11/14/2023] [Revised: 12/12/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
The following study analyzed the impact of fertilizing barley with fly ash from biomass combustion grown on two types of soil, Haplic Luvisol (HL) and Gleyic Chernozem (GC), on the properties of starch. The experiment was conducted in 2019 (A) and 2020 (B), and barley was fertilized with ash doses (D1-D6) differing in mineral content. In the tested barley starch samples, the amylose content, the clarity of the paste, and the content of selected minerals were determined. The thermodynamic characteristics of gelatinization and retrogradation were determined using the DSC method. Pasting characteristics, flow curves, and viscoelastic properties of starch pastes were performed. Starches differed in amylose content and paste clarity. The highest gelatinization and retrogradation enthalpy (ΔHG and ΔHR) values were recorded for samples GCD1A and HLD5B. None of the tested factors significantly affected the pasting temperature (PT), but they had a significant impact on the remaining parameters of the pasting characteristics. The average PT value of barley starches was 90.9 °C. However, GCD2A starch had the highest maximum viscosity and the highest rheological stability during heating. GCD2A paste was characterized by the highest apparent viscosity. It was shown that all pastes showed non-Newtonian flow and shear-thinning and had a predominance of elastic features over viscous ones. The resulting gels had the characteristics of weak gels. Ash from burning wood biomass is an innovative alternative to mineral fertilizers. It was shown that the use of such soil fertilization influenced the properties of barley starch.
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Affiliation(s)
- Karolina Pycia
- Department of Food Technology and Human Nutrition, Institute of Food Technology, College of Natural Science, University of Rzeszow, Zelwerowicza 4 St., 35-601 Rzeszow, Poland
| | - Ewa Szpunar-Krok
- Department of Plant Production, Institute of Agricultural Sciences, and Environmental Protection, College of Natural Science, University of Rzeszow, Zelwerowicza 4 St., 35-601 Rzeszow, Poland;
| | - Małgorzata Szostek
- Department of Soil Science, Environmental Chemistry and Hydrology, College of Natural Sciences, University of Rzeszow, Zelwerowicza 8b St., 35-601 Rzeszow, Poland;
| | | | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland;
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Gałkowska D, Kapuśniak K, Juszczak L. Chemically Modified Starches as Food Additives. Molecules 2023; 28:7543. [PMID: 38005262 PMCID: PMC10672975 DOI: 10.3390/molecules28227543] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Starch is a renewable and multifunctional polysaccharide biopolymer that is widely used both in the food industry and other areas of the economy. However, due to a number of undesirable properties in technological processes, it is subjected to various modifications. They improve its functional properties and enable the starch to be widely used in various industries. A modified starch is a natural starch that has been treated in a way that changes one or more of its initial physical and/or chemical properties. Chemical modification consists of the introduction of functional groups into starch molecules, which result in specific changes in the physicochemical and functional properties of starch preparations. The bases of chemical modifications of starch are oxidation, esterification or etherification reactions. In terms of functionality, modified preparations include cross-linked and stabilized starches. These starches have the status of allowed food additives, and their use is strictly regulated by relevant laws. Large-scale scientific research is aimed at developing new methods of starch modification, and the use of innovative technological solutions allows for an increasingly wider use of such preparations. This paper characterizes chemically modified starches used as food additives, including the requirements for such preparations and the directions of their practical application. Health-promoting aspects of the use of chemically modified starches concerning resistant starch type RS4, encapsulation of bioactive ingredients, starch fat substitutes, and carriers of microelements are also described. The topic of new trends in the use of chemically modified starches, including the production of biodegradable films, edible coatings, and nanomaterials, is also addressed.
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Affiliation(s)
- Dorota Gałkowska
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland;
| | - Kamila Kapuśniak
- Department of Dietetics and Food Studies, Jan Dlugosz University in Czestochowa, Armii Krajowej 13/15, 42-200 Częstochowa, Poland;
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland;
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Pycia K, Juszczak L. Influence of Hazelnut and Walnut Oil Cakes Powder on Thermal and Rheological Properties of Wheat Flour. Foods 2023; 12:4060. [PMID: 38002119 PMCID: PMC10669997 DOI: 10.3390/foods12224060] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/03/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
The aim of the study was to assess the influence of the addition of powdery hazelnut oil cakes (HOC) or walnut oil cakes (WOC) to wheat flour (WF) on its selected thermal and rheological properties. In the research material, part of the wheat flour (5%, 10%, 15%) was substituted with powdery oil cakes based on hazelnuts and walnuts. The control sample was wheat flour (100% WF). In the tested systems with the addition of hazelnut oil cakes (WFHOC) and walnuts (WFWOC), the characteristics of the gelatinization and retrogradation processes were determined using the DSC method, the gelatinization characteristics of 10% pastes using the RVA method, flow curves and viscosity curves, as well as mechanical spectra. Based on the results obtained, it was found that the type of oil cakes and the level of their addition significantly influenced the thermal and rheological properties of the tested systems. Partial replacement of wheat flour with HOC or WOC significantly influenced most DSC parameters. The highest values of gelatinization enthalpy ∆HG and retrogradation ∆HR were characteristic of the WFWOC5% sample (5.9 J/g) and the control sample (1.3 J/g), respectively. All tested systems showed the properties of shear-thinning non-Newtonian fluids, and the partial replacement of wheat flour with HOC or WOC resulted in a significant reduction in the maximum viscosity of pastes, increasing with the increase in the proportion of oil cakes. WFHOC-based pastes were characterized by higher values of the G' and G″ modulus, while their values and the values of the K' and K″ parameters decreased as the share of oil cakes increased. Gels based on all tested systems showed the nature of weak gels (tan δ = G″/G' > 0.1). Replacing part of the wheat flour with nut oil cakes modified the thermal and rheological properties of pastes and gels, and the observed changes were influenced by both the origin and the level of addition of powdered oil cakes. It was found that WFHOC/WFWOC15% systems had reduced viscosity and weakened viscoelastic properties compared to systems with a lower OC content, which is not a favorable feature from the technological point of view. However, these systems were the most stable, which is an advantageous feature. However, for baking purposes, research should be carried out on the rheological properties of dough made from these mixtures.
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Affiliation(s)
- Karolina Pycia
- Department of Food Technology and Human Nutrition, Institute of Food Technology, College of Natural Science, University of Rzeszow, Zelwerowicza Street 4, 35-601 Rzeszow, Poland
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka Street 122, 30-149 Krakow, Poland;
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Grzebieniarz W, Tkaczewska J, Juszczak L, Krzyściak P, Cholewa-Wójcik A, Nowak N, Guzik P, Szuwarzyński M, Mazur T, Jamróz E. Improving the quality of multi-layer films based on furcellaran by immobilising active ingredients and impact assessment of the use of a new packaging material. Food Chem 2023; 428:136759. [PMID: 37418883 DOI: 10.1016/j.foodchem.2023.136759] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/21/2023] [Accepted: 06/13/2023] [Indexed: 07/09/2023]
Abstract
To improve the quality of multi-layer film, four-layer films based on furcellaran and active ingredients: gelatin hydrolysate, curcumin, capsaicin, montmorillonite and AgNPs, were produced in an innovative manner. The films were characterised by SEM and AFM analysis. Along with an increase in the concentration of active ingredients, the structure of the film becomes less homogeneous, which may affect the functional properties. The objective of the study was to analyse changes in the functional properties of the newly-obtained films and to verify their potential as packaging materials for fish products. With the increase in active ingredient concentration, water properties also improved, but there were no noticeable significant effects on mechanical properties. For antioxidant properties, the obtained values were within 1.04-2.74 mM Trolox/mg (FRAP) and 7.67-40.49% (DPPH). The obtained multi-layer films were examined with regard to the shelf-life of salmon. For this purpose, salmon fillets were packed in films having good antioxidant and functional properties. The films were effective in microorganism growth inhibition responsible for fillet spoilage during storage. The microorganism number in the active film-stored samples was lower by 0.13 log CFU/g on day 12 versus the control. However, film application did not retard lipid oxidation in the salmon fillets. Nonetheless, the films show great potential as active packaging materials, extending the shelf-life of the packed foods.
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Affiliation(s)
- Wiktoria Grzebieniarz
- Department of Chemistry, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland.
| | - Joanna Tkaczewska
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland
| | - Lesław Juszczak
- Department of Dietetics and Food Studies, Faculty of Science and Technology, Jan Długosz University in Częstochowa, Armii Krajowej 13/15, PL-42-200 Częstochowa, Poland
| | - Paweł Krzyściak
- Department of Infection Control and Mycology, Faculty of Medicine, Jagiellonian University Medical College, Czysta 18, PL-31-121 Kraków, Poland
| | - Agnieszka Cholewa-Wójcik
- Department of Product Packaging, Cracow University of Economics, Rakowicka 27, PL-31-510 Kraków, Poland
| | - Nikola Nowak
- Department of Chemistry, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland
| | - Paulina Guzik
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland
| | - Michał Szuwarzyński
- AGH University of Science and Technology, Academic Centre for Materials and Nanotechnology, Al. Mickiewicza 30, PL-30-059 Kraków, Poland
| | - Tomasz Mazur
- AGH University of Science and Technology, Academic Centre for Materials and Nanotechnology, Al. Mickiewicza 30, PL-30-059 Kraków, Poland
| | - Ewelina Jamróz
- Department of Chemistry, University of Agriculture, Balicka 122, PL-30-149 Kraków, Poland
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Grzebieniarz W, Tkaczewska J, Juszczak L, Kawecka A, Krzyściak P, Nowak N, Guzik P, Kasprzak M, Janik M, Jamróz E. The influence of aqueous butterfly pea (Clitoria ternatea) flower extract on active and intelligent properties of furcellaran Double-Layered films - in vitro and in vivo research. Food Chem 2023; 413:135612. [PMID: 36773363 DOI: 10.1016/j.foodchem.2023.135612] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/22/2022] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Innovative, intelligent and active double-layer films, based on furcellaran and with the addition of gelatin hydrolysates, have been obtained for the first time. An aqueous extract of clitoria flower in 3 concentrations was included in the 1st FUR layer. The films demonstrated strong antimicrobial effects, but did not exhibit fungicidal properties. The antioxidant properties of the films were within the range of 2.27-3.92 mM Trolox/mg (FRAP method) and 36.67-61.24 % (DPPH method). The films were used as active packaging materials in salmon fillets, which were stored for a period of 12 days in 4 °C. Analysis concerning microbiological properties of the stored fillets showed the possibility of extending their shelf-life by 6 days. Lipid oxidation, determined by TBARS has delayed. The obtained films are a promising material for the packaging industry. This is an important aspect within the context of global food waste and also the need to reduce synthetic materials.
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Affiliation(s)
- Wiktoria Grzebieniarz
- Department of Chemistry, University of Agriculture, Balicka Street 122, PL-30-149 Kraków, Poland.
| | - Joanna Tkaczewska
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, Balicka Street 122, PL-30-149 Kraków, Poland
| | - Lesław Juszczak
- Department of Dietetics and Food Studies, Faculty of Science and Technology, Jan Długosz University in Częstochowa, Armii Krajowej Street 13/15, PL-42-200 Częstochowa, Poland
| | - Agnieszka Kawecka
- Department of Product Packaging, Cracow University of Economics, Rakowicka Street 27, PL-31-510 Kraków, Poland
| | - Paweł Krzyściak
- Department of Infection Control and Mycology, Faculty of Medicine, Jagiellonian University Medical College, Czysta Street 18, PL-31-121 Kraków, Poland
| | - Nikola Nowak
- Department of Chemistry, University of Agriculture, Balicka Street 122, PL-30-149 Kraków, Poland
| | - Paulina Guzik
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, Balicka Street 122, PL-30-149 Kraków, Poland
| | - Mirosław Kasprzak
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, Balicka Street 122, PL-30-149 Kraków, Poland
| | - Magdalena Janik
- Department of Chemistry, University of Agriculture, Balicka Street 122, PL-30-149 Kraków, Poland
| | - Ewelina Jamróz
- Department of Chemistry, University of Agriculture, Balicka Street 122, PL-30-149 Kraków, Poland
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Pycia K, Kaszuba J, Posadzka Z, Juszczak L. Influence of the Addition of Vital Wheat Gluten on Thermal and Rheological Properties of Triticale Flour. Polymers (Basel) 2023; 15:polym15081870. [PMID: 37112017 PMCID: PMC10146432 DOI: 10.3390/polym15081870] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
The aim of this study was to evaluate the effect of the addition of vital wheat gluten to triticale flour on its thermal and rheological properties. In the tested systems (TG), triticale flour from Belcanto grain was replaced with vital wheat gluten in the amounts of 1%, 2%, 3%, 4% and 5%. Wheat flour (WF) and triticale flour (TF) were also tested. For the tested flours and mixtures with gluten, the falling number, gluten content, as well as the parameters of gelatinization and retrogradation characteristics using differential scanning calorimetry (DSC) and characteristics of pasting using a viscosity analyzer (RVA) were determined. In addition, viscosity curves were plotted, and viscoelastic properties of the obtained gels were also assessed. It was observed that there were no statistically significant differences between the TF and TG samples in terms of falling number. The average value of this parameter in TG samples was 317 s. It was found that the replacement of TF with vital gluten reduced the gelatinization enthalpy and increased the retrogradation enthalpy, as well as the degree of retrogradation. The highest viscosity was characterized by the WF paste (1784 mPa·s) and the lowest by the TG5% mixture (1536 mPa·s). Replacing TF with gluten resulted in a very visible decrease in the apparent viscosity of the systems. In addition, the gels based on the tested flours and TG systems had the character of weak gels (tan δ = G″/G' > 0.1), while the values of the parameters G' and G″ decreased as the share of gluten in the systems increased.
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Affiliation(s)
- Karolina Pycia
- Department of Food Technology and Human Nutrition, Institute of Food Technology, College of Natural Science, University of Rzeszow, Zelwerowicza Street 4, 35-601 Rzeszow, Poland
| | - Joanna Kaszuba
- Department of Food Technology and Human Nutrition, Institute of Food Technology, College of Natural Science, University of Rzeszow, Zelwerowicza Street 4, 35-601 Rzeszow, Poland
| | - Zuzanna Posadzka
- Department of Food Technology and Human Nutrition, Institute of Food Technology, College of Natural Science, University of Rzeszow, Zelwerowicza Street 4, 35-601 Rzeszow, Poland
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka Street 122, 30-149 Krakow, Poland
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Tkaczewska J, Jamróz E, Kasprzak M, Zając M, Pająk P, Grzebieniarz W, Nowak N, Juszczak L. Edible Coatings Based on a Furcellaran and Gelatin Extract with Herb Addition as an Active Packaging for Carp Fillets. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-022-02952-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Abstract
This is the first such study in which a gelatin extract obtained from carp skins enriched with dry herbs (thyme or rosemary) has been prepared. Extracts prepared in such a manner were added to furcellaran coatings. Coatings were tested for their mechanical properties and the obtained results showed that the control coatings, and those with the addition of rosemary, had the best strength-related parameters. A new ready-to-cook product was evaluated with regard to the preservative effects of carp skin gelatin coatings containing rosemary and thyme extracts in terms of pH, biogenic amine formulation, microbial changes and sensorial characteristics. The coatings with added rosemary proved effective in inhibiting the formation of biogenic amines, and slowing down the microbial deterioration of carp fillets (reduction by 0.53 and 0.29 log cfu/g). The evaluated herb coatings changed the characteristic taste of fish. Interestingly, the coatings emphasized the natural saltiness of fish meat.
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Pająk P, Gałkowska D, Juszczak L, Khachatryan G. Octenyl succinylated potato starch-based film reinforced by honey-bee products: Structural and functional properties. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100995] [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: 11/18/2022]
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Jamróz E, Kopel P, Juszczak L, Kawecka A, Bytesnikova Z, Milosavljević V, Kucharek M, Makarewicz M, Adam V. Corrigendum to “Development and characterisation of furcellaran-gelatin films containing SeNPs and AgNPs that have antimicrobial activity” [Food Hydrocolloids 83 (2018) 9–16]. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107634] [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: 11/04/2022]
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Korus J, Witczak M, Korus A, Juszczak L. Mesquite (Prosopis L.) as a functional ingredient in gluten-free dough and bread. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113957] [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: 10/14/2022]
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13
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Jamróz E, Tkaczewska J, Zając M, Guzik P, Juszczak L, Kawecka A, Turek K, Zimowska M, Wojdyło A. Utilisation of soybean post-production waste in single- and double-layered films based on furcellaran to obtain packaging materials for food products prone to oxidation. Food Chem 2022; 387:132883. [PMID: 35421651 DOI: 10.1016/j.foodchem.2022.132883] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 11/04/2022]
Abstract
Single-layered films, based on furcellaran and protein hydrolysates from soybean bran (1st layer), were obtained. Moreover, a procedure for the preparation of double-layered films was developed, in which an ethanol extract from soybean bran was deposited onto the 1st layer. It was checked how the addition of the 2nd layer affects the functional properties of the film. The addition of the 2nd layer increased the thermal properties, modulus of elasticity and antioxidant activity, while decreases were noted for tensile strength and elongation at break parameters. The films were used as packaging materials for storing butter and the active films did not extend the quality of butter during storage, however, they behaved in the same way as synthetic films. Therefore they have the potential to be used as packaging material instead of a synthetic film.
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Affiliation(s)
- Ewelina Jamróz
- Department of Chemistry, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland.
| | - Joanna Tkaczewska
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland
| | - Marzena Zając
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland
| | - Paulina Guzik
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland
| | - Lesław Juszczak
- Department of Dietetics and Food Studies, Faculty of Science and Technology, Jan Długosz University in Częstochowa, ul. Armii Krajowej 13/15, 42-200 Częstochowa, Poland
| | - Agnieszka Kawecka
- Department of Product Packaging, Cracow University of Economics, ul. Rakowicka 27, 31-510 Kraków, Poland
| | - Katarzyna Turek
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland
| | - Małgorzata Zimowska
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, 30-239 Kraków, Poland
| | - Aneta Wojdyło
- Department of Fruit, Vegetable and Nutraceutical Plant Technology, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375 Wrocław, Poland
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14
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Jamróz E, Cabaj A, Tkaczewska J, Kawecka A, Krzyściak P, Szuwarzyński M, Mazur T, Juszczak L. Incorporation of Curcumin Extract with Lemongrass Essential Oil into the Middle Layer of Triple-Layered Films Based on Furcellaran/Chitosan/Gelatin Hydrolysates - In Vitro and In Vivo Studies on Active and Intelligent Properties. Food Chem 2022; 402:134476. [DOI: 10.1016/j.foodchem.2022.134476] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 09/28/2022] [Accepted: 09/28/2022] [Indexed: 01/11/2023]
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15
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Jamróz E, Tkaczewska J, Juszczak L, Zimowska M, Kawecka A, Krzyściak P, Skóra M. The influence of lingonberry extract on the properties of novel, double-layered biopolymer films based on furcellaran, CMC and a gelatin hydrolysate. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107334] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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16
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Janik M, Jamróz E, Tkaczewska J, Juszczak L, Kulawik P, Szuwarzyński M, Khachatryan K, Kopel P. Utilisation of Carp Skin Post-Production Waste in Binary Films Based on Furcellaran and Chitosan to Obtain Packaging Materials for Storing Blueberries. Materials (Basel) 2021; 14:7848. [PMID: 34947442 PMCID: PMC8704361 DOI: 10.3390/ma14247848] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/08/2021] [Accepted: 12/14/2021] [Indexed: 11/16/2022]
Abstract
The aim of the study was to develop and characterise an innovative three-component biopolymer film based on chitosan (CHIT), furcellaran (FUR) and a gelatin hydrolysate from carp skins (Cyprinus carpio) (HGEL). The structure and morphology were characterised using the Fourier transform infrared spectroscopy (FT-IR) and atomic force microscopy (AFM). The FT-IR test showed no changes in the matrix after the addition of HGEL, which indicates that the film components were compatible. Based on the obtained AFM results, it was found that the addition of HGEL caused the formation of grooves and cracks on the surface of the film (reduction by ~21%). The addition of HGEL improved the antioxidant activity of the film (improvement by up to 2.318% and 444% of DPPH and FRAP power, respectively). Due to their properties, the tested films were used as active materials in the preservation of American blueberries. In the active films, the blueberries lost mass quickly compared to the synthetic film and were characterised by higher phenol content. The results obtained in this study create the opportunity to use the designed CHIT-FUR films in developing biodegradable packaging materials for food protection, but it is necessary to test their effectiveness on other food products.
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Affiliation(s)
- Magdalena Janik
- Department of Chemistry, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland; (M.J.); (E.J.); (K.K.)
| | - Ewelina Jamróz
- Department of Chemistry, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland; (M.J.); (E.J.); (K.K.)
| | - Joanna Tkaczewska
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland; (J.T.); (P.K.)
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture, ul. Balicka 122, 30-149 Krakow, Poland;
| | - Piotr Kulawik
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland; (J.T.); (P.K.)
| | - Michał Szuwarzyński
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland;
| | - Karen Khachatryan
- Department of Chemistry, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland; (M.J.); (E.J.); (K.K.)
| | - Pavel Kopel
- Department of Inorganic Chemistry, Faculty of Science, Palacky University, 17. listopadu 12, 77146 Olomouc, Czech Republic
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17
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Gumul D, Areczuk A, Berski W, Juszczak L, Khachatryan G. Selected Physicochemical Properties of Starch Isolated from Colored Potatoes (
Solanum tuberosum
L.) as Compared to Starch from Yellow Flesh Potatoes. STARCH-STARKE 2021. [DOI: 10.1002/star.202100158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Dorota Gumul
- Department of Carbohydrates Technology and Cereals Processing Faculty of Food Technology University of Agriculture in Krakow Balicka 122, 30–149 Kraków Poland
| | - Anna Areczuk
- Department of Carbohydrates Technology and Cereals Processing Faculty of Food Technology University of Agriculture in Krakow Balicka 122, 30–149 Kraków Poland
| | - Wiktor Berski
- Department of Carbohydrates Technology and Cereals Processing Faculty of Food Technology University of Agriculture in Krakow Balicka 122, 30–149 Kraków Poland
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality Faculty of Food Technology University of Agriculture in Krakow Balicka 122, 30–149 Kraków Poland
| | - Gohar Khachatryan
- Department of Food Analysis and Evaluation of Food Quality Faculty of Food Technology University of Agriculture in Krakow Balicka 122, 30–149 Kraków Poland
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18
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Jamróz E, Cabaj A, Juszczak L, Tkaczewska J, Zimowska M, Cholewa-Wójcik A, Krzyściak P, Kopel P. Active Double-Layered Films Enriched with AgNPs in Great Water Dock Root and Pu-Erh Extracts. Materials (Basel) 2021; 14:ma14226925. [PMID: 34832324 PMCID: PMC8625606 DOI: 10.3390/ma14226925] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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] [Received: 10/25/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 01/04/2023]
Abstract
A novel, eco-friendly, and biocompatible method was applied to form silver nanoparticles (AgNPs) in great water dock (Lapathi radix) (KB) and pu-erh (Camellia sinensis) (PE) extracts. The surface plasma resonance peak of green synthesized AgNPs at 451.8 nm for AgNPs+KB and 440.8 nm for AgNPs+PE was observed via spectral analysis of UV absorbance. In this study, double-layered biopolymer films (FUR/CHIT+HGEL) with AgNPs incorporated in KB solution (AgNPs+KB) and AgNPs in PE solution (AgNPs+PE), were successfully prepared using the casting method. The SEM, XRD, zeta potential and size analyses confirmed the presence of AgNP in the films. The addition of AgNPs in plant extracts improved antimicrobial and antioxidant activity and thermal stability, whereas WVTR experienced a decrease. The nanocomposite films’ orange-brown colour may aid in the protection of food products against UV rays. The composite films demonstrated antibacterial activity against food-borne pathogens and may offer potential in food packaging applications.
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Affiliation(s)
- Ewelina Jamróz
- Department of Chemistry, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland;
| | - Agnieszka Cabaj
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture, ul. Balicka 122, 30-149 Krakow, Poland; (A.C.); (L.J.)
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture, ul. Balicka 122, 30-149 Krakow, Poland; (A.C.); (L.J.)
| | - Joanna Tkaczewska
- Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, ul. Balicka 122, 30-149 Kraków, Poland;
| | - Małgorzata Zimowska
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Kraków, Poland;
| | - Agnieszka Cholewa-Wójcik
- Department of Product Packaging, Cracow University of Economics, ul. Rakowicka 27, 30-510 Kraków, Poland;
| | - Paweł Krzyściak
- Department of Infections Control and Mycology, Jagiellonian University Medical College, ul. Czysta 18, 31-121 Kraków, Poland;
| | - Pavel Kopel
- Department of Inorganic Chemistry, Faculty of Science, Palacky University, 17. Listopadu 12, CZ-771 46 Olomouc, Czech Republic
- Correspondence: ; Tel.: +420-585-634-352
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19
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Witczak M, Chmielewska A, Ziobro R, Korus J, Juszczak L. Rapeseed protein as a novel ingredient of gluten-free dough: Rheological and thermal properties. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106813] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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20
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Gałkowska D, Dudycz A, Juszczak L. Effect of Potato Protein on Thermal and Rheological Characteristics of Maize Starches with Different Amylose Contents. STARCH-STARKE 2021. [DOI: 10.1002/star.202000216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Dorota Gałkowska
- Department of Food Analysis and Evaluation of Food Quality University of Agriculture in Krakow Balicka 122 Krakow 30‐408 Poland
| | - Anna Dudycz
- Department of Food Analysis and Evaluation of Food Quality University of Agriculture in Krakow Balicka 122 Krakow 30‐408 Poland
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality University of Agriculture in Krakow Balicka 122 Krakow 30‐408 Poland
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21
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Pycia K, Juszczak L. The Influence of the Addition of Nuts on the Thermal and Rheological Properties of Wheat Flour. Molecules 2021; 26:3969. [PMID: 34209649 PMCID: PMC8272163 DOI: 10.3390/molecules26133969] [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] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/23/2021] [Accepted: 06/25/2021] [Indexed: 12/04/2022] Open
Abstract
The aim of the study was to assess the influence of replacing wheat flour with hazelnuts or walnuts, in various amounts, on the thermal and rheological properties of the obtained systems. The research material were systems in which wheat flour was replaced with ground hazelnuts (H) or walnuts (W) in the amount of 5%, 10%, and 15%. The parameters of the thermodynamic gelatinization characteristics were determined by the differential scanning calorimetry method. In addition, the pasting characteristics were determined with the use of a viscosity analyzer and the viscoelastic properties were assessed. Sweep frequency and creep and recovery tests were used to assess the viscoelastic properties of the tested gels. It was found that replacing wheat flour with nuts increased the values of gelatinization temperature, gelatinization, and retrogradation enthalpy, and the degree of retrogradation. The highest viscosity was characteristic of the control sample (2039 mPa·s), and the lowest for the paste with 15% addition of walnuts (1120 mPa·s). Replacing the flour with nuts resulted in a very visible reduction in the viscosity of such systems. In addition, gels based on the systems with the addition of H and W were weak gels (tan δ = G″/G' > 0.1), and the values of G' and G″ parameters decreased with the increased share of nuts in the systems. Creep and recovery analysis indicated that the systems in which wheat flour was replaced with hazelnuts were less susceptible to deformation compared to the systems with the addition of W.
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Affiliation(s)
- Karolina Pycia
- Department of Food Technology and Human Nutrition, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Zelwerowicza 4 St., 35-601 Rzeszow, Poland
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland;
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22
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Habryka C, Socha R, Juszczak L. Effect of Bee Pollen Addition on the Polyphenol Content, Antioxidant Activity, and Quality Parameters of Honey. Antioxidants (Basel) 2021; 10:antiox10050810. [PMID: 34065231 PMCID: PMC8160746 DOI: 10.3390/antiox10050810] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 04/22/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 01/18/2023] Open
Abstract
Bee pollen is regarded as a valuable source of bioactive substances. Honey enrichment with bee pollen seems to be the most popular way to introduce this bee product into a human diet. The aim of this study was to determine the influence of the addition of bee pollen to honey on the content of selected biologically active pollen components, antioxidant activity, and quality parameters, as well as sensory properties. On the basis of the obtained results, it was established that enriching honey with bee pollen resulted in a significant increase in the level of phenolics, including both flavonoids and phenolic acids, of which kaempferol and gallic acid were present in the highest level. As a result of increasing addition of bee pollen, an increase in the antioxidative, antiradical, and reducing activities of honey was observed. However, the addition of bee pollen to honey resulted in the deterioration of its sensory properties. A decrease in brightness, clarity, and uniformity of color, as well as a decrease in the perception of fragrance, was observed. In the assessment of texture, a decrease in smoothness and spread ability in the mouth was observed, with a significant increase in the feeling of sandiness. In contrast, the evaluation of taste revealed a marked increase in sharpness, acid taste, bitterness, and persistence of the aftertaste, with a simultaneous decrease in sweetness. Honey enrichment with bee pollen resulted in a significant increase in the content of water-insoluble substances, free acidity, specific conductivity, and proline content, with a slight decrease in the content of glucose and fructose.
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Abstract
AbstractThe aim of the study was to analyze the influence of rapeseed protein isolate on physico-chemical properties, sensory attributes and storage of gluten-free bread prepared on the basis of corn and potato starch mixture with the addition of pectin and guar gum. Starches used in bread formulation were replaced with rapeseed protein isolate in the amounts 6–15%. The bread was characterized in terms of physical properties, including volume, crumb structure and color, which was accompanied with sensory assessment. Texture and thermal properties were determined during 3 days of storage. It was observed that the presence of rapeseed protein, especially at higher levels, caused an increase in bread volume and density of pores and a decrease in crumb porosity, as compared to the control. Partial replacement of starch with rapeseed protein caused a significant increase of b* parameter, reflecting rising yellowness, which positively influenced bread acceptance. Rapeseed protein limited bread staling during storage in comparison to control sample. The results demonstrate that rapeseed protein could become a valuable component of gluten-free bread, as it provides valuable amino acids, but also beneficially influences quality characteristics.
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Korus J, Ziobro R, Witczak T, Kapusniak (Jochym) K, Juszczak L. Effect of Octenyl Succinic Anhydride (OSA) Modified Starches on the Rheological Properties of Dough and Characteristic of the Gluten-Free Bread. Molecules 2021; 26:2197. [PMID: 33920373 PMCID: PMC8070360 DOI: 10.3390/molecules26082197] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/27/2021] [Accepted: 04/06/2021] [Indexed: 11/29/2022] Open
Abstract
The study focused on the influence of starch modified by octenyl succinic anhydride (OSA) on the rheological and thermal properties of gluten-free dough containing corn and potato starch with the addition of pectin and guar gum as structure-forming substances. The starch blend used in the original dough recipe was partially (5% to 15%) replaced with OSA starch. The rheological properties of dough samples were determined, and the properties of the resulting bread were analyzed. It was found that the dough samples behaved as weak gels, and the values of storage and loss moduli (G' and G″, respectively) significantly depended on angular frequency. Various shares of OSA starch in recipes modified dough in different ways, causing changes in its rheological characteristics. The introduction of OSA starch preparations resulted in changes in the bread volume and physical characteristics of the crumb. All the applied preparations caused an increase in bread porosity and the number of pores larger than 5 mm, and there was a parallel decrease in pore density. The presence of OSA starch preparations modified bread texture depending on the amount and type of the applied preparation. The introduction of OSA starches in gluten-free bread formulation caused a significant drop in the enthalpy of retrograded amylopectin decomposition, indicating a beneficial influence of such type of additive on staling retardation in gluten-free bread.
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Affiliation(s)
- Jarosław Korus
- Department of Carbohydrate Technology, Faculty of Food Technology, University of Agriculture in Krakow, 30-149 Kraków, Poland; (J.K.); (R.Z.)
| | - Rafał Ziobro
- Department of Carbohydrate Technology, Faculty of Food Technology, University of Agriculture in Krakow, 30-149 Kraków, Poland; (J.K.); (R.Z.)
| | - Teresa Witczak
- Department of Engineering and Machinery for Food Industry, Faculty of Food Technology, University of Agriculture in Krakow, 30-149 Kraków, Poland;
| | - Kamila Kapusniak (Jochym)
- Department of Biochemistry, Biotechnology and Ecotoxicology, Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 42-200 Częstochowa, Poland;
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture in Krakow, 30-149 Kraków, Poland
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25
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Witczak M, Ziobro R, Juszczak L, Korus J. Potato Flakes (Solanum tuberosum L.) as a Factor Modifying the Rheological Properties of Dough and Limiting the Staling of Gluten-free Bread. FOOD BIOPROCESS TECH 2021. [DOI: 10.1007/s11947-020-02573-z] [Citation(s) in RCA: 1] [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: 12/17/2022]
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26
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Habryka C, Socha R, Juszczak L. The influence of honey enrichment with bee pollen or bee bread on the content of selected mineral components in multifloral honey. Potr S J F Sci 2020. [DOI: 10.5219/1329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Bee products, such as honey, pollen, and bee bread, are an excellent source of bioactive ingredients, including minerals, having a health-supporting effect. However, due to the specific sensory properties of bee pollen and bee bread, the best way to include them in a diet is to add them to honey. Therefore, the aim of this paper was to evaluate the influence of the added bee pollen or bee bread on selected minerals content in multifloral honey. The mineral content was analyzed using absorption atomic spectrometry (FAAS) with prior dry mineralization. On the basis of obtained results, it was found that the addition of bee pollen or bee bread to honey significantly influences the content of selected macro- and microelements, excluding sodium. The greatest increase in mineral content was observed for magnesium, iron, and zinc. Enrichment of honey with the highest dose of bee pollen or bee bread resulted in an over 20-fold increase in the Mg and Fe content, and an over 14-fold increase in the Zn content. Honey enriched with the maximum addition of bee pollen was characterized by a higher content of K, Ca, Mg, Fe, and Cu compared to honey with bee bread. Due to a fact that both bee pollen and bee bread are good sources of minerals, their addition to honey significantly increases its ability to cover daily demand for macro- and microelements.
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Gałkowska D, Południak M, Witczak M, Juszczak L. Effect of Prebiotic Polysaccharides on the Rheological Properties of Reduced Sugar Potato Starch Based Desserts. Polymers (Basel) 2020; 12:polym12102224. [PMID: 32992665 PMCID: PMC7600773 DOI: 10.3390/polym12102224] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/25/2020] [Accepted: 09/26/2020] [Indexed: 12/03/2022] Open
Abstract
The aim of the study was to assess the possibility of using polysaccharides: inulin and polydextrose in combination with steviol glycosides as sucrose substitutes in starch-based desserts with reduced sugar content and to determine their influence on the rheological properties of these desserts. The samples (starch-milk desserts) were prepared from native potato starch, milk, dye, flavouring agent, and sucrose. The sucrose was partially or completely substituted with steviol glycosides and inulin or polydextrose. The rheological evaluation of the desserts was performed by determining pasting characteristics, viscosity curves, creep and recovery curves and mechanical spectra. Substitution of sucrose with prebiotic polysaccharides modified the rheological characteristics of the starch-milk desserts to a degree depending on the type and level of the substituting agent. Inulin reduced the peak viscosity of starch-milk paste, while it had no effect on the final viscosity of the product, contrary to polydextrose, which increased value of the latter parameter. The desserts exhibited a non-Newtonian, shear-thinning flow behaviour. The use of inulin, in both the highest and the lowest concentrations, significantly changed the consistency coefficient and the flow index values, while such a phenomenon was not observed in the case of polydextrose. The desserts with inulin showed increased values of the storage modulus and reduced susceptibility to stress, manifesting strengthened viscoelastic structure. The results indicate that the both prebiotic polysaccharides can serve as substitutes for sucrose in desserts with reduced sugar contents.
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Affiliation(s)
- Dorota Gałkowska
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture in Krakow, 30-149 Krakow, Poland; (D.G.); (M.P.)
| | - Monika Południak
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture in Krakow, 30-149 Krakow, Poland; (D.G.); (M.P.)
| | - Mariusz Witczak
- Department of Engineering and Machinery for Food Industry, Faculty of Food Technology, University of Agriculture in Krakow, 30-149 Krakow, Poland;
| | - Lesław Juszczak
- Department of Dietetics and Food Science, Faculty of Science & Technology, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
- Correspondence:
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Jamróz E, Khachatryan G, Kopel P, Juszczak L, Kawecka A, Krzyściak P, Kucharek M, Bębenek Z, Zimowska M. Furcellaran nanocomposite films: The effect of nanofillers on the structural, thermal, mechanical and antimicrobial properties of biopolymer films. Carbohydr Polym 2020; 240:116244. [DOI: 10.1016/j.carbpol.2020.116244] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 03/30/2020] [Accepted: 03/30/2020] [Indexed: 11/25/2022]
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Jamróz E, Kopel P, Juszczak L, Kawecka A, Bytesnikova Z, Milosavljevic V, Makarewicz M. Development of furcellaran-gelatin films with Se-AgNPs as an active packaging system for extension of mini kiwi shelf life. Food Packag Shelf Life 2019. [DOI: 10.1016/j.fpsl.2019.100339] [Citation(s) in RCA: 38] [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: 11/16/2022]
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Pająk P, Przetaczek-Rożnowska I, Juszczak L. Development and physicochemical, thermal and mechanical properties of edible films based on pumpkin, lentil and quinoa starches. Int J Biol Macromol 2019; 138:441-449. [PMID: 31302126 DOI: 10.1016/j.ijbiomac.2019.07.074] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [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: 06/06/2019] [Revised: 07/10/2019] [Accepted: 07/10/2019] [Indexed: 01/12/2023]
Abstract
Starches isolated from pumpkin fruits, lentil and quinoa seeds were used to prepare edible films. Physicochemical, thermal and mechanical properties of films were determined and compared with potato-based starch (PS) film. It was found that botanical origin of starch has a crucial effect on the films properties. The much lower solubility and higher swelling capacity compared to PS film exhibited lentil and pumpkin starch-based films, respectively. All of the films exhibited significantly higher water vapor permeability compared to PS one. Tensile strength and elongation at break of the films varied between 8.98 and 13.85 MPa, and 3.35 to 4.44%, respectively. All of the films acted as a solid-like materials with prevalently elastic behavior and exhibited endothermic peaks in DSC measurement in the range of 249-281 °C, referred to the melting of films. This study demonstrated that starches from non-conventional sources are good alternative to conventional to develop edible films.
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Affiliation(s)
- Paulina Pająk
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture Balicka Str. 122, 30-149 Kraków, Poland.
| | - Izabela Przetaczek-Rożnowska
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture Balicka Str. 122, 30-149 Kraków, Poland.
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture Balicka Str. 122, 30-149 Kraków, Poland.
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Jamróz E, Kulawik P, Krzyściak P, Talaga-Ćwiertnia K, Juszczak L. Intelligent and active furcellaran-gelatin films containing green or pu-erh tea extracts: Characterization, antioxidant and antimicrobial potential. Int J Biol Macromol 2019; 122:745-757. [DOI: 10.1016/j.ijbiomac.2018.11.008] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 10/31/2018] [Accepted: 11/02/2018] [Indexed: 12/18/2022]
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Pietrzyk S, Fortuna T, Łabanowska M, Kurdziel M, Królikowska K, Juszczak L. Effect of Oxidation Level of High-Amylose Corn Starch on Its Acetylation, Molecular Structure, and Functional Properties. STARCH-STARKE 2018. [DOI: 10.1002/star.201800097] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sławomir Pietrzyk
- Department of Analysis and Evaluation of Food Quality; University of Agriculture; Balicka122 30-149 Krakow Poland
| | - Teresa Fortuna
- Department of Analysis and Evaluation of Food Quality; University of Agriculture; Balicka122 30-149 Krakow Poland
| | - Maria Łabanowska
- Faculty of Chemistry; Jagiellonian University; Gronostajowa 2 30-387 Krakow Poland
| | - Magdalena Kurdziel
- Faculty of Chemistry; Jagiellonian University; Gronostajowa 2 30-387 Krakow Poland
| | - Karolina Królikowska
- Department of Analysis and Evaluation of Food Quality; University of Agriculture; Balicka122 30-149 Krakow Poland
| | - Lesław Juszczak
- Department of Analysis and Evaluation of Food Quality; University of Agriculture; Balicka122 30-149 Krakow Poland
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Jamróz E, Kopel P, Juszczak L, Kawecka A, Bytesnikova Z, Milosavljević V, Kucharek M, Makarewicz M, Adam V. Development and characterisation of furcellaran-gelatin films containing SeNPs and AgNPs that have antimicrobial activity. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.04.028] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Affiliation(s)
- Ewelina Jamróz
- Faculty of Food Technology, Institute of Chemistry; University of Agriculture, Balicka Street 122; Cracow PL-30-149 Poland
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology; University of Agriculture in Cracow, Balicka Street 122; Cracow PL-30-149 Poland
| | - Mateusz Kucharek
- Faculty of Food Technology, Institute of Chemistry; University of Agriculture, Balicka Street 122; Cracow PL-30-149 Poland
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Jamróz E, Juszczak L, Kucharek M. Investigation of the physical properties, antioxidant and antimicrobial activity of ternary potato starch-furcellaran-gelatin films incorporated with lavender essential oil. Int J Biol Macromol 2018; 114:1094-1101. [DOI: 10.1016/j.ijbiomac.2018.04.014] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 03/23/2018] [Accepted: 04/04/2018] [Indexed: 12/24/2022]
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Pietrzyk S, Fortuna T, Łabanowska M, Juszczak L, Gałkowska D, Bączkowicz M, Kurdziel M. The effect of amylose content and level of oxidation on the structural changes of acetylated corn starch and generation of free radicals. Food Chem 2018; 240:259-267. [DOI: 10.1016/j.foodchem.2017.07.125] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 07/19/2017] [Accepted: 07/25/2017] [Indexed: 01/11/2023]
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Pietrzyk S, Fortuna T, Juszczak L, Gałkowska D, Bączkowicz M, Łabanowska M, Kurdziel M. Influence of amylose content and oxidation level of potato starch on acetylation, granule structure and radicals’ formation. Int J Biol Macromol 2018; 106:57-67. [DOI: 10.1016/j.ijbiomac.2017.07.177] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 07/11/2017] [Accepted: 07/30/2017] [Indexed: 11/25/2022]
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Zachara A, Gałkowska D, Juszczak L. Contamination of Tea and Tea Infusion with Polycyclic Aromatic Hydrocarbons. Int J Environ Res Public Health 2017; 15:E45. [PMID: 29283369 PMCID: PMC5800144 DOI: 10.3390/ijerph15010045] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 12/23/2017] [Accepted: 12/25/2017] [Indexed: 12/01/2022]
Abstract
The aim of this work was to validate the method of determination of polycyclic aromatic hydrocarbons (PAHs), i.e., benzo(a)pyrene and sum of benzo(a)pyrene, benz(a)anthracene, benzo(b)fluoranthene and chrysene in different types of tea, as well as to assess the transfer of these contaminants from tea to tea infusion. The research materials were popular types of black, green, red and white tea. Quantitative and qualitative determination of PAHs was performed by High Performance Liquid Chromatography with fluorimetric detection (HPLC-FLD). The samples were prepared by QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) technique followed by cleaning-up by dispersion solid-phase extraction (d-SPE). Values of limit of detection and limit of quantification obtained in the validation of the method were lower than the respective maximum values given in Commission Regulation (EU) No. 836/2011. The level of contamination of popular teas commercially available on the Polish market with PAHs is similar to that of teas available in other countries, with a very large variation in the concentration of each of the compounds. The highest benzo(a)pyrene and Σ4PAHs contents (209 ± 42 μg/kg and 756 ± 151 μg/kg, respectively) were found for black tea leaves. The transfer of Σ4PAHs from black tea to tea infusions was 0.48%, while it was 1.55-1.72% for red, white and green teas.
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Affiliation(s)
- Alicja Zachara
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland.
- Laboratory of Food Hygiene and Nutrition, Voivodeship Sanitary-Epidemiological Station in Rzeszow, Wierzbowa 16, 35-959 Rzeszow, Poland.
| | - Dorota Gałkowska
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland.
| | - Lesław Juszczak
- Department of Food Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland.
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Korus J, Witczak M, Ziobro R, Juszczak L. Hemp (Cannabis sativa subsp. sativa) flour and protein preparation as natural nutrients and structure forming agents in starch based gluten-free bread. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.05.046] [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] [Indexed: 02/03/2023]
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Zachara A, Gałkowska D, Juszczak L. Contamination of smoked meat and fish products from Polish market with polycyclic aromatic hydrocarbons. Food Control 2017. [DOI: 10.1016/j.foodcont.2017.04.024] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Pycia K, Gałkowska D, Juszczak L. Maltodextrins produced from chemically modified starches as agents affecting stability and rheological properties of albumin foam. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.03.002] [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: 10/20/2022]
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Affiliation(s)
- Karolina Pycia
- Faculty of Biology and Agriculture, Department of Food Technology and Human Nutrition; University of Rzeszow; Rzeszow Poland
| | - Lesław Juszczak
- Faculty of Food Technology, Department of Food Analysis and Evaluation of Food Quality; University of Agriculture in Krakow; Krakow Poland
| | - Dorota Gałkowska
- Faculty of Food Technology, Department of Food Analysis and Evaluation of Food Quality; University of Agriculture in Krakow; Krakow Poland
| | - Robert Socha
- Faculty of Food Technology, Department of Food Analysis and Evaluation of Food Quality; University of Agriculture in Krakow; Krakow Poland
| | - Grażyna Jaworska
- Faculty of Biology and Agriculture, Department of Food Technology and Human Nutrition; University of Rzeszow; Rzeszow Poland
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Zachara A, Gałkowska D, Juszczak L. Method Validation and Determination of Polycyclic Aromatic Hydrocarbons in Vegetable Oils by HPLC-FLD. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0673-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Witczak T, Juszczak L, Ziobro R, Korus J. Rheology of gluten-free dough and physical characteristics of bread with potato protein. J FOOD PROCESS ENG 2016. [DOI: 10.1111/jfpe.12491] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Teresa Witczak
- Department of Engineering and Machinery for Food Industry; Faculty of Food Technology, University of Agriculture; Balicka 122 Str Krakow 30-149 Poland
| | - Lesław Juszczak
- Department of Analysis and Evaluation of Food Quality; Faculty of Food Technology, University of Agriculture; Balicka 122 Str Krakow 30-149 Poland
| | - Rafał Ziobro
- Department of Carbohydrates Technology; Faculty of Food Technology, University of Agriculture; Balicka 122 Str Krakow 30-149 Poland
| | - Jarosław Korus
- Department of Carbohydrates Technology; Faculty of Food Technology, University of Agriculture; Balicka 122 Str Krakow 30-149 Poland
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Abstract
The effect of three non-starch hydrocolloids (guar, carob and arabic gums) on some rheological properties of rye starch pastes/gels at a constant 6.5% concentration of polysaccharides was determined throughout: (i) pasting characteristics, (ii) flow curves and apparent viscosity–shear time curves at 50 C and (iii) mechanical spectra at 25 C. The presence of gums in the system modified the rheological properties of rye starch pastes/gels and these alterations depended on the type and concentration of the gum. The systems with guar and carob gums exhibited higher apparent viscosities during pasting and higher shear stresses during flow than the paste of native starch. The viscosity of the system with carob was bigger than the one with guar gum. The presence of arabic gum decreased the apparent viscosity of the system both during pasting and during flow. Replacing part of starch with a gum modified the viscoelastic properties of gels, the changes depended on the kind and concentration of the gum.
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Affiliation(s)
- L. Juszczak
- Department of Analysis and Evaluation of Food Quality, University of Agriculture, Balicka 122 Str., 30-149 Krakow, Poland
| | - M. Witczak
- Department of Engineering and Machinery for Food Industry, University of Agriculture, Balicka 122 Str., 30-149 Krakow, Poland
| | | | - A. Banachowicz
- Department of Analysis and Evaluation of Food Quality, University of Agriculture, Balicka 122 Str., 30-149 Krakow, Poland
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Abstract
Elaboration of cocoa syrups by the use of modified starches such as acetylated distarch adipate (ADA) and oxidised starch (OS) were described and analysed the influence of different amounts of ADA and OS on physical and sensory properties of cocoa syrups. The sensory, textural and rheological properties of syrups produced in the laboratory conditions were compared to the properties of commercially produced ones. The quantity of modified starch added affected textural and rheological properties of syrups. All analysed syrups showed non-Newtonian, pseudoplastic flow and thixotropy. Values of yield stresses, viscosities of Casson, and consistency coefficients of syrups prepared in laboratory conditions increased with an increase in the addition of modified starches.
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Affiliation(s)
- M. Sikora
- Department of Carbohydrate Technology, University of Agriculture, 30-149 Krakow, ul. Balicka 122, Krakow, Poland,
| | - L. Juszczak
- Department of Analysis and Evaluation of Food Quality
| | - M. Sady
- Department of Animal Products Technology
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Pycia K, Juszczak L, Gałkowska D, Witczak M, Jaworska G. Maltodextrins from chemically modified starches. Selected physicochemical properties. Carbohydr Polym 2016; 146:301-9. [DOI: 10.1016/j.carbpol.2016.03.057] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 03/14/2016] [Accepted: 03/19/2016] [Indexed: 11/25/2022]
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Ziobro R, Juszczak L, Witczak M, Korus J. Non-gluten proteins as structure forming agents in gluten free bread. J Food Sci Technol 2016; 53:571-80. [PMID: 26787976 PMCID: PMC4711467 DOI: 10.1007/s13197-015-2043-5] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/01/2015] [Accepted: 09/16/2015] [Indexed: 12/22/2022]
Abstract
The study aimed to evaluate the effects of selected protein isolates and concentrates on quality and staling of gluten-free bread, in the absence of other structure-forming agents such as guar gum and pectin. The applied preparations included albumin, collagen, pea, lupine and soy. Their addition had various effects on rheological properties of the dough and volume of the bread. Volumes of the loaves baked with soy and pea protein were smaller, while those with albumin significantly larger than control. Presence of non-gluten protein caused changes in crumb structure (higher porosity, decrease in cell density, higher number of pores with a diameter above 5 mm) and its color, which was usually darker than of unsupplemented starch-based bread. The least consumer's acceptance was found for bread baked with soy protein. The presence of pea and lupine preparations improved sensory parameters of the final product, providing more acceptable color and smell in comparison to control, while soy caused a decrease of all analyzed consumer's scores. The addition of protein caused an increase in bread hardness and in enthalpy of retrograded amylopectin, during bread storage.
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Affiliation(s)
- Rafał Ziobro
- />Department of Carbohydrate Technology, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122 Str., 30-149, Kraków, Poland
| | - Lesław Juszczak
- />Department of Analysis and Evaluation of Food Quality, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122 Str., 30-149, Kraków, Poland
| | - Mariusz Witczak
- />Department of Engineering and Machinery for Food Industry, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122 Str., 30-149, Kraków, Poland
| | - Jarosław Korus
- />Department of Carbohydrate Technology, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122 Str., 30-149, Kraków, Poland
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