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Kongor JE, Owusu M, de Pascual-Teresa S, Álvarez MD, Kyei-Baffour VO, Oduro-Yeboah C, Tortoe C. Investigating the physicochemical properties, sensory profile and consumer acceptability of beetroot dark chocolate. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 39087312 DOI: 10.1002/jsfa.13785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 07/16/2024] [Accepted: 07/19/2024] [Indexed: 08/02/2024]
Abstract
BACKGROUND The incorporation of functional food ingredients in chocolate that seek to eliminate, if not completely, most of the added sugar content, as well as the use of alternative chocolate production techniques, have gained popularity in recent years. This study aimed to incorporate red beetroot powder into dark chocolate and investigate the effect of red beetroot powder concentration and processing time in a melanger on the physicochemical properties, sensory profile and consumer acceptability of beetroot dark chocolate. RESULTS The addition of red beetroot powder increased the moisture content, particle size distribution and hardness of the chocolates, while the opposite was true for processing time with no effect on the colour. Except for taste, which had an average score of 3.2 ± 1.8 on the 7-point hedonic scale, consumers scored all the other sensory attributes of the chocolates above 4.0. Among the chocolates with red beetroot powder, samples with a 15% red beetroot powder addition had a high average overall acceptability score of >5, while the 30% sample scored <4. CONCLUSION Red beetroot powder can be used to replace sugar in dark chocolate without affecting its physicochemical properties, sensory profile or consumer acceptability. However, the target market should be considered when determining the level of red beetroot powder incorporation in terms of chocolate taste. This research has the potential to improve the overall health-promoting properties of dark chocolate by eliminating added sugar (partially or completely). It would also help to diversify beetroot utilization, allow small-scale processors to venture into chocolate production and expand the small-scale chocolate value chain. © 2024 Society of Chemical Industry.
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Affiliation(s)
- John Edem Kongor
- Food Technology Research Division, Council for Scientific and Industrial Research - Food Research Institute, Accra, Ghana
| | - Margaret Owusu
- Food Technology Research Division, Council for Scientific and Industrial Research - Food Research Institute, Accra, Ghana
| | - Sonia de Pascual-Teresa
- Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain
| | - Maria Dolores Álvarez
- Department of Characterisation, Quality and Safety, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain
| | - Vincent Owusu Kyei-Baffour
- Food Technology Research Division, Council for Scientific and Industrial Research - Food Research Institute, Accra, Ghana
| | - Charlotte Oduro-Yeboah
- Food Technology Research Division, Council for Scientific and Industrial Research - Food Research Institute, Accra, Ghana
| | - Charles Tortoe
- Food Technology Research Division, Council for Scientific and Industrial Research - Food Research Institute, Accra, Ghana
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2
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Ede-Cintesun E, Çatak J, Ateş E, Yaman M. Glyoxal and methylglyoxal formation in chocolate and their bioaccessibility. Food Res Int 2024; 189:114552. [PMID: 38876591 DOI: 10.1016/j.foodres.2024.114552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 05/18/2024] [Accepted: 05/26/2024] [Indexed: 06/16/2024]
Abstract
The objective of this study was to assess the effects of simulated digestion on the formation of α-dicarbonyl compounds (α-DCs) in chocolates. For that purpose, the concentrations of glyoxal and methylglyoxal in chocolates were determined through High-Performance Liquid Chromatography (HPLC) analysis before and after in vitro digestion. The initial concentrations ranged from 0.0 and 228.2 µg/100 g, and 0.0 and 555.1 for glyoxal and methylglyoxal, respectively. Following digestion, there was a significant increase in both glyoxal and methylglyoxal levels, reaching up to 1804 % and 859 %, respectively. The findings indicate that digestive system conditions facilitate the formation of advanced glycation end product (AGE) precursors. Also, glyoxal and methylglyoxal levels were found to be low in chocolate samples containing dark chocolate. In contrast, they were found to be high in samples containing hazelnuts, almonds, pistache, and milk. Further studies should focus on α-DCs formation under digestive system conditions, including the colon, to determine the effects of gut microbiota.
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Affiliation(s)
- Elif Ede-Cintesun
- Department of Nutrition and Dietetics, Faculty of Health Sciences, İstanbul Sabahattin Zaim University, Istanbul, Halkalı Merkez Street, Halkalı Blvd, 34303 Küçükçekmece/İstanbul, Turkey.
| | - Jale Çatak
- Department of Nutrition and Dietetics, Faculty of Health Sciences, İstanbul Sabahattin Zaim University, Istanbul, Halkalı Merkez Street, Halkalı Blvd, 34303 Küçükçekmece/İstanbul, Turkey.
| | - Esra Ateş
- Department of Nutrition and Dietetics, Faculty of Health Sciences, İstanbul Sabahattin Zaim University, Istanbul, Halkalı Merkez Street, Halkalı Blvd, 34303 Küçükçekmece/İstanbul, Turkey.
| | - Mustafa Yaman
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, İstanbul Sabahattin Zaim University, Istanbul, Halkalı Merkez Street, Halkalı Blvd, 34303 Küçükçekmece/İstanbul, Turkey.
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3
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Cerit İ, Demirkol O, Avcı A, Arkan BS. Phenolic content and oxidative stability of chocolates produced with roasted and unroasted cocoa beans. FOOD SCI TECHNOL INT 2024; 30:450-461. [PMID: 36797992 DOI: 10.1177/10820132231154429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
The aim of this study was to produce chocolate using roasted (RB) and unroasted cocoa beans (URB). The effect of roasting on the total phenolic content (TPC), antioxidant activity [2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity, ferric reducing antioxidant power (FRAP), and cupric ion reducing antioxidant capacity (CUPRAC) values], phenolic compounds, caffeine, oxidative stability [free fatty acid, peroxide, conjugated dienes, conjugated trienes, and thiobarbituric acid reactive substances (TBARS)], Fourier transform infrared (FTIR), and differential scanning colorimetry (DSC) analysis of both cocoa beans and chocolate samples were analyzed. According to the results, the TPC of URB (24.96 mg gallic acid equivalent (GAE)/g sample) was higher than roasted beans (21.32 mg GAE/g sample). Similar results were also seen in the TPC of chocolate samples. Although roasting did not affect the DPPH scavenging activity and caffeine content of cocoa beans, it decreased FRAP and CUPRAC values. (-)-Epicatechin and chlorogenic acid values were higher in unroasted bean and chocolate samples, but the amount of gallic acid increased with the roasting process. Free fatty acid, peroxide, conjugated dienes, conjugated trienes, and TBARS results of unroasted samples were lower than roasted ones, indicating better oxidative stability. The melting temperatures of cocoa beans changed with roasting while it was similar between chocolate samples. Composition of the beans and the chocolate samples were qualitatively determined with FTIR.
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Affiliation(s)
- İnci Cerit
- Department of Food Engineering, Sakarya University, Esentepe, Sakarya, Turkey
| | - Omca Demirkol
- Department of Food Engineering, Sakarya University, Esentepe, Sakarya, Turkey
| | - Ayşe Avcı
- Department of Food Engineering, Sakarya University, Esentepe, Sakarya, Turkey
| | - Betül Sena Arkan
- Department of Food Engineering, Sakarya University, Esentepe, Sakarya, Turkey
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4
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Alotaibi RF, AlTilasi HH, Al-Mutairi AM, Alharbi HS. Chromatographic and spectroscopic methods for the detection of cocoa butter in cocoa and its derivatives: A review. Heliyon 2024; 10:e31467. [PMID: 38882372 PMCID: PMC11176802 DOI: 10.1016/j.heliyon.2024.e31467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 05/15/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
Currently, there is fierce competition in the cocoa industry to develop products that possess distinctive sensory characteristics and flavours. This is because cocoa and its derivatives provide numerous health and functional advantages, which is essential to their economics. The fatty acid and triglyceride composition of cocoa determines its quality. This review emphasises the necessity of developing precise, adaptable analytical techniques to identify and quantify cocoa butter in cocoa and its derived products, from cocoa beans to chocolate bars. Key chromatographic and spectroscopic techniques play crucial roles in understanding the fundamental principles underlying the production of cocoa with desirable flavours. This significantly impacts the sustainability, traceability, and authenticity of cocoa products while also supporting the battle against adulteration.
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Affiliation(s)
- Razan F Alotaibi
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Hissah H AlTilasi
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Adibah M Al-Mutairi
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Hibah S Alharbi
- Saudi Food and Drug Authority, Riyadh, 0112038222, Kingdom of Saudi Arabia
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5
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Demirci S, Elmaci C, Atalar İ, Toker OS, Palabiyik I, Konar N. Influence of process conditions of alkalization on quality of cocoa powder. Food Res Int 2024; 182:114147. [PMID: 38519177 DOI: 10.1016/j.foodres.2024.114147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/06/2024] [Accepted: 02/17/2024] [Indexed: 03/24/2024]
Abstract
In this study, the effects of independent variables such as alkaline (NaOH) salt concentration (3.0-6.0 g/100 mL), alkalization temperature (60-90 °C), and time (20-40 min) on cocoa powder (low-fat) properties were investigated by using Central Composite Design. The physicochemical and color properties of samples, powder characteristics, volatile component profile, total polyphenol content (TPC), as well as antioxidant activity potentials using different methods (DPPH and ABTS) were determined. Significant models were identified for the effects on major alkalization indicators (L*, a*/b*, pH), as well as TPC and antioxidant activity potential (DPPH), which are the main motivators for the preference and consumption of cocoa products (p < 0.05). The established model was validated, and their predicted values were found to be very close to real results. It was determined that the alkali concentration had a more significant effect on dependent variables, especially on alkalization indicators, compared to the other independent variables. Furthermore, strong correlations were determined between TPC and antioxidant activity potential and color properties (L*, a*, b*, and a*/b*). Optimum concentration, temperature and time were found to be 5.3 %, 84 °C and 35.7 min for maximizing a*/b* value. The establishment of such models lead to optimizing process conditions of alkalization with minimum effort and labor force for obtaining cocoa powder with desired quality depending on the usage purpose.
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Affiliation(s)
| | | | - İlyas Atalar
- Eskisehir Osmangazi University, Agriculture Faculty, Food Engineering Department, Eskisehir, Turkey
| | - Omer Said Toker
- Yıldız Technical University, Faculty of Chemical and Metallurgical Engineering, Food Engineering Department, İstanbul, Turkey
| | - Ibrahim Palabiyik
- Tekirdag Namik Kemal University, Agriculture Faculty, Food Engineering Department, Tekirdag, Turkey
| | - Nevzat Konar
- Ankara University Agriculture Faculty, Dairy Technology Department, Ankara, Turkey.
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6
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Becerra LD, Quintanilla-Carvajal MX, Escobar S, Ruiz Pardo RY. From controlled transformed cocoa beans to chocolate: Bioactive properties, metabolomic profile, and in vitro bioaccessibility. Food Chem 2024; 433:137321. [PMID: 37683468 DOI: 10.1016/j.foodchem.2023.137321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023]
Abstract
This study aimed to characterize the changes in bioactive compounds associated with health benefits during the transformation of cocoa seeds into chocolate and in vitro gastrointestinal digestion. Flavan-3-ols (catechin, epicatechin), methylxanthines (theobromine, caffeine), total phenolic content, antioxidant activity, and metabolomic fingerprint were analyzed. The results indicated that processing stages led to a general decrease in bioactive compound content, attributed to factors such as temperature, pH, and diffusive phenomena. Roasting and chocolate processing particularly affected epicatechin and caffeine contents. In vitro digestion released compounds in response to enzymatic activity and system conditions, with a significant release of amino acids and peptides in the intestinal phase. Catechin and theobromine exhibited higher effective bioaccessibility. The antioxidant activity mirrored the quantification of individual compounds. This research provides valuable insights into the dynamic changes of chemical compounds in cocoa matrices throughout the transformation of cocoa seeds into chocolate and in vitro gastrointestinal digestion.
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Affiliation(s)
- Lili Dahiana Becerra
- Doctorado en Biociencias, Facultad de Ingeniería, Universidad de La Sabana, Campus Universitario del Puente del Común, Km 7 Autopista Norte de Bogotá, Chía, Cundinamarca, Colombia; Grupo de Investigación en Procesos Agroindustriales, Facultad de Ingeniería, Universidad de La Sabana, Campus Universitario del Puente del Común, Km 7 Autopista Norte de Bogotá, Chía, Cundinamarca, Colombia
| | - María Ximena Quintanilla-Carvajal
- Grupo de Investigación en Procesos Agroindustriales, Facultad de Ingeniería, Universidad de La Sabana, Campus Universitario del Puente del Común, Km 7 Autopista Norte de Bogotá, Chía, Cundinamarca, Colombia
| | - Sebastián Escobar
- Process & Quality Cocoa Laboratory, Centro de Investigación Palmira, Corporación Colombiana de Investigación Agropecuaria (Agrosavia), Palmira, Valle del Cauca, Colombia
| | - Ruth Yolanda Ruiz Pardo
- Grupo de Investigación en Procesos Agroindustriales, Facultad de Ingeniería, Universidad de La Sabana, Campus Universitario del Puente del Común, Km 7 Autopista Norte de Bogotá, Chía, Cundinamarca, Colombia.
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7
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Guzmán-Armenteros TM, Ruales J, Cuesta-Plúa C, Bravo J, Sinche M, Vera E, Vera E, Vargas-Jentzsch P, Ciobotă V, Ortega-Ojeda FE, Proaño A, Echeverría A, Ramos-Guerrero L. Raman Spectroscopic and Sensory Evaluation of Cocoa Liquor Prepared with Ecuadorian Cocoa Beans Treated with Gamma Irradiation or Induced Electromagnetic Field Fermentation. Foods 2023; 12:3924. [PMID: 37959042 PMCID: PMC10647436 DOI: 10.3390/foods12213924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/19/2023] [Accepted: 09/26/2023] [Indexed: 11/15/2023] Open
Abstract
Cocoa liquor is the primary precursor of the worldwide highly appreciated commodity chocolate. Its quality depends on several factors, such as the type of cocoa, the fermentation process, and the control of the contaminants in the fermented beans. This study aims to evaluate whether the induced magnetic field treatment during the fermentation process or the pathogen reduction with gamma irradiation after the fermentation affect the characteristics of the cocoa liquor obtained from Ecuadorian cocoa beans. For this purpose, liquor samples from controls (standard process), from beans treated with an induced magnetic field up to 80 mT, and from beans irradiated with nominal doses up to 3 kGy were characterized through Raman spectroscopic analysis and sensorial evaluation. The most relevant bands of the cocoa liquor were assigned according to reports from the literature, spectroscopic data, and chemometrics. The spectra corresponding to different treatments and doses were visually very similar, but they could be discriminated using OPLS-DA models, where the most intense Raman signals were attributed to the lipid components. The sensorial evaluation rated the presence of floral, fruity, almondy, acid, and bitter flavors, along with astringency and intense aroma, and these attributes exhibited variable behavior depending on the dose of the irradiation or magnetic treatment. Therefore, both treatments may exert an influence on cocoa beans and, therefore, on the cocoa liquor quality.
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Affiliation(s)
- Tania María Guzmán-Armenteros
- Departamento de Ciencia de Alimentos y Biotecnología, Facultad de Ingeniería Química y Agroindustria, Escuela Politécnica Nacional (EPN), Quito 170525, Ecuador; (T.M.G.-A.); (J.R.); (E.V.)
| | - Jenny Ruales
- Departamento de Ciencia de Alimentos y Biotecnología, Facultad de Ingeniería Química y Agroindustria, Escuela Politécnica Nacional (EPN), Quito 170525, Ecuador; (T.M.G.-A.); (J.R.); (E.V.)
| | - Cristina Cuesta-Plúa
- Agencia de Regulación y Control Fito y Zoosanitario (AGROCALIDAD), Av. Interoceánica km 14 ½, Tumbaco 170184, Ecuador; (C.C.-P.); (J.B.)
| | - Juan Bravo
- Agencia de Regulación y Control Fito y Zoosanitario (AGROCALIDAD), Av. Interoceánica km 14 ½, Tumbaco 170184, Ecuador; (C.C.-P.); (J.B.)
| | - Marco Sinche
- Departamento de Ciencias Nucleares, Facultad de Ingeniería Química y Agroindustria, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, Quito 170525, Ecuador; (M.S.); (E.V.); (P.V.-J.)
| | - Edwin Vera
- Departamento de Ciencia de Alimentos y Biotecnología, Facultad de Ingeniería Química y Agroindustria, Escuela Politécnica Nacional (EPN), Quito 170525, Ecuador; (T.M.G.-A.); (J.R.); (E.V.)
| | - Edison Vera
- Departamento de Ciencias Nucleares, Facultad de Ingeniería Química y Agroindustria, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, Quito 170525, Ecuador; (M.S.); (E.V.); (P.V.-J.)
| | - Paul Vargas-Jentzsch
- Departamento de Ciencias Nucleares, Facultad de Ingeniería Química y Agroindustria, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, Quito 170525, Ecuador; (M.S.); (E.V.); (P.V.-J.)
| | - Valerian Ciobotă
- Rigaku Analytical Devices, Inc., 30 Upton Drive, Suite 2, Wilmington, MA 01887, USA;
| | - Fernando E. Ortega-Ojeda
- Departamento de Ciencias de la Computación, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.6, 28871 Alcalá de Henares, Madrid, Spain;
- Instituto Universitario de Investigación en Ciencias Policiales (IUICP), Universidad de Alcalá, Libreros 27, 28801 Alcalá de Henares, Madrid, Spain
| | - Andrés Proaño
- Programa de Reactivación de Café y Cacao, Ministerio de Agricultura y Ganadería, Av. Eloy Alfaro y Av. Amazonas, Quito 170518, Ecuador;
| | - Armando Echeverría
- Facultad de Ciencias Técnicas, Universidad Internacional del Ecuador, Quito 170411, Ecuador;
| | - Luis Ramos-Guerrero
- Grupo de Investigación Bio-Quimioinformática, Carrera de Ingeniería Agroindustrial, Facultad de Ingeniería y Ciencias Aplicadas, Universidad de Las Américas (UDLA), Quito 170503, Ecuador
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8
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Sun S, Xie Y, Zhou X, Zhu MJ, Sablani S, Tang J. Survival and thermal resistance of Salmonella in chocolate products with different water activities. Food Res Int 2023; 172:113209. [PMID: 37689954 DOI: 10.1016/j.foodres.2023.113209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/27/2023] [Accepted: 06/29/2023] [Indexed: 09/11/2023]
Abstract
Contamination of Salmonella in chocolate products has caused worldwide outbreaks and recalls. There is a lack of information on the impact of water activity (aw) on the stability of Salmonella in chocolate products during storage and thermal treatments. In this research, the survival and thermal resistance of a Salmonella cocktail (S. Enteritidis PT30, S. Tennessee K4643, S. Typhimurium S544) was examined in different chocolate products (dark chocolate, white chocolate, milk chocolate) at two aw levels (0.25, 0.50) over 12 months at 22 °C. A reduction of 4.19 log10 CFU/gof Salmonella was obtained in dark chocolate after 12 months (aw = 0.50, at 22 °C); less reductions were observed in white and milk chocolates. In all three products, more reductions were observed ataw = 0.50 than at aw = 0.25 over the 12-months storage. When treated at 80 °C, the D-values (time required to cause 1 log reduction) of the Salmonella cocktail in the chocolate samples with initial aw of 0.25 were 35.7, 25.2 and 11.6 min in dark, white and milk chocolate, respectively, before the storage. The D80°C -values of Salmonella cocktail in the samples with initial aw of 0.50 were 6.45, 7.46, and 3.98 min in dark, white and milk chocolate, respectively. After 12 months of storage at 22 °C, the D80°C-value of Salmonella cocktail decreased to 9.43 min (p < 0.05) in milk chocolate but remained 22.7 min in white chocolate with an aw of 0.25 at 22 °C. The data suggests that Salmonella can survive in chocolate products for up to 12 months, and its thermal resistance remained relatively stable. Thus, Salmonella is resistant to desiccation in chocolates, particularly in milk and white chocolates, and its thermal resistance remains during one-year storage, which could pose a potential threat for future outbreaks.
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Affiliation(s)
- Sicheng Sun
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA
| | - Yucen Xie
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA
| | - Xu Zhou
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA
| | - Mei-Jun Zhu
- School of Food Science, Washington State University, Pullman, WA 99164, USA
| | - Shyam Sablani
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA
| | - Juming Tang
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA.
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9
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Medina-Mendoza M, Castro-Alayo EM, Balcazar-Zumaeta CR, Silva-Zuta MZ, Maicelo-Quintana JL, Cayo-Colca IS. Conching process time, sauco by-product concentration, and sacha inchi oil levels identification for the enrichment of dark chocolate. Heliyon 2023; 9:e19886. [PMID: 37809724 PMCID: PMC10559272 DOI: 10.1016/j.heliyon.2023.e19886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Chocolate is a widely consumed product with high levels of polyphenols; unfortunately, it is reduced during the process. Adding other components allows for counteracting the polyphenols lost during chocolate processing and reducing the content of unsaturated fatty acids, affecting its physical properties. This study identified the conching time, concentration of sauco by-products, and levels of sacha inchi oil to produce enriched dark chocolates. For this study, sauco by-products in percentages of 2, 6 and 10%, sacha inchi oil in levels of 1, 3, and 5%, and three conching times of 16, 20, and 24 h were added to 75% dark chocolates, and the process conditions were optimized through the response surface methodology (RSM). The physicochemical properties of the dark chocolates were studied, observing that the sauco by-product, sacha inchi oil, and conching time significantly affected (p < 0.05) the variables of antioxidant activity, total phenol content, rheology, hardness, and particle size. The R2 correlation of the factors declared against the variables indicated the model's reliability as it was close to 1. The results suggest that incorporating sauco by-products allows for obtaining chocolates with good chemical properties; however, high percentages of sacha inchi oil and shorter conching time cause a negative effect on the chocolate affecting the physical properties.
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Affiliation(s)
- Marleni Medina-Mendoza
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Calle Higos Urco 342-350-356, Chachapoyas, Amazonas, Peru
| | - Efrain M. Castro-Alayo
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Calle Higos Urco 342-350-356, Chachapoyas, Amazonas, Peru
| | - Cesar R. Balcazar-Zumaeta
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Calle Higos Urco 342-350-356, Chachapoyas, Amazonas, Peru
- Programa de Doctorado en Ciencias Agrarias, Escuela de Posgrado, Universidad Nacional de Piura, Piura, Jr. Tacna 748, Piura, Peru
| | - Miguelina Z. Silva-Zuta
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Calle Higos Urco 342-350-356, Chachapoyas, Amazonas, Peru
| | - Jorge L. Maicelo-Quintana
- Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Calle Higos Urco 342-350-356, Chachapoyas, Amazonas, Peru
| | - Ilse S. Cayo-Colca
- Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Calle Higos Urco 342-350-356, Chachapoyas, Amazonas, Peru
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10
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Abedini A, Dakhili S, Bazzaz S, Kamaladdin Moghaddam S, Mahmoudzadeh M, Andishmand H. Fortification of chocolates with high-value-added plant-based substances: Recent trends, current challenges, and future prospects. Food Sci Nutr 2023; 11:3686-3705. [PMID: 37457143 PMCID: PMC10345668 DOI: 10.1002/fsn3.3387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 07/18/2023] Open
Abstract
High consumption of delicious foods, such as chocolates, is considered excellent snacks, capable of converting from health-threatening to great functional foods. The fortification of chocolates with high-value-added plant-based substances might improve their healthful effects, nutritional properties, and shelf life. Chocolate could be an effective carrier for plant-based substances delivery, and it could be an effective vehicle to treat and reduce the indications of disease, such as obesity, overweight, hypertension, stress, cardiovascular failure, congestive heart failure, and diabetes. Referring to the recent studies in chocolate fortification with high-value-added plant-based substances, it seems that the recent trends are toward its therapeutic effects against noncommunicable diseases. Despite the undeniable functional effects of fortified chocolates, there are some challenges in the fortification way of chocolates. In other words, their functional characteristics, such as rheological and sensory attributes, may undesirably change. It seems that encapsulation techniques, such as spray drying, antisolvent precipitation, nanoemulsification, and liposomal encapsulation, could almost overcome these challenges. Thus, several studies focused on designing and fabricating nanoscale delivery systems with the aim of chocolate fortification, which is discussed.
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Affiliation(s)
- Amirhossein Abedini
- Department of Environmental Health Engineering, Food Safety Division, School of Public HealthTehran University of Medical SciencesTehranIran
- Students' Scientific Research Center (SSRC)Tehran University of Medical SciencesTehranIran
| | - Samira Dakhili
- Student Research Committee, Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food TechnologyShahid Beheshti University of Medical SciencesTehranIran
| | - Sara Bazzaz
- Student Research Committee, Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food TechnologyShahid Beheshti University of Medical SciencesTehranIran
| | - Saba Kamaladdin Moghaddam
- Student Research Committee, Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food TechnologyShahid Beheshti University of Medical SciencesTehranIran
| | - Maryam Mahmoudzadeh
- Department of Food Science and Technology, Faculty of Nutrition and Food ScienceTabriz University of Medical SciencesTabrizIran
- Drug Applied Research CenterTabriz University of Medical SciencesTabrizIran
| | - Hashem Andishmand
- Student Research Committee, Department of Food Science and Technology, Faculty of Nutrition and Food SciencesTabriz University of Medical SciencesTabrizIran
- Research Center for Pharmaceutical Nanotechnology, Biomedicine InstituteTabriz University of Medical SciencesTabrizIran
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11
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de Freitas RL, Augusto PPC, Luccas V, Bolini HMA. The influence of conching time on the sensory profile and consumer acceptance of milk chocolates enriched with freeze-dried blueberry ( Vaccinium spp.). FOOD SCI TECHNOL INT 2023:10820132231179764. [PMID: 37278006 DOI: 10.1177/10820132231179764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Conching is a processing stage of industrial chocolate manufacture that is essential to the development of the sensory and rheological properties of the finished product. It promotes the physicochemical changes leading to flavor, aroma, and flowability refinement by continuously heating, aerating, shearing, and homogenizing chocolate mass during an extended time length. Conching duration is a key processing parameter that depends on the type of chocolate, the quality of primary ingredients, the conche's configuration, and the desired sensory outcome in the chocolate. Shorter cycles are often beneficial to manufacturers, due to increased productivity and reduced energy consumption, but they may be insufficient to fully develop chocolate's desired sensory properties. The present study aimed to shed light on the trade-off between product quality and process efficiency by assessing if varying conching durations were associated with statistically significant differences in the sensory profile and consumer acceptance of milk chocolates with freeze-dried blueberry. Samples were produced under an alternative method of conching prior to ball mill refining, with times investigated being 6, 12, 24, 36, 48, and 72 h, and were subsequently submitted to Quantitative Descriptive Analysis and consumer acceptance test. No statistically significant differences in either sensory profiles or consumer acceptance ratings of samples were observed, with the exception of hedonic values for aroma, indicating that a 6-h conching cycle was already enough to develop the sensory properties of the milk chocolate with freeze-dried blueberry. The feasibility of shorter conching times suggests a potential for energy saving and increased productivity in the production of milk chocolates following the conching prior to ball mill refining concept.
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Affiliation(s)
- Raquel L de Freitas
- Food Engineering and Technology Department, School of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Pedro P C Augusto
- Food Engineering and Technology Department, School of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Valdecir Luccas
- Cereal and Chocolate Research Center (CEREAL CHOCOTEC), Institute of Food Technology (ITAL), Campinas, SP, Brazil
| | - Helena M A Bolini
- Food Engineering and Technology Department, School of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
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12
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Dalabasmaz S, Toker ÖS, Palabiyik I, Konar N. Cocoa polyphenols and milk proteins: covalent and non-covalent interactions, chocolate process and effects on potential polyphenol bioaccesibility. Crit Rev Food Sci Nutr 2023:1-13. [PMID: 37154036 DOI: 10.1080/10408398.2023.2207661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
In this study, we discussed covalent and non-covalent reactions between cocoa polyphenols and proteins (milk and cocoa) and the possible effects of these reactions on their bioaccessibility, considering environmental and processing conditions. Better insight into these interactions is crucial for understanding the biological effects of polyphenols, developing nutritional strategies, and improving food processing and storage. Protein-polyphenol reactions affect the properties of the final product and can lead to the formation of various precursors at various stages in the manufacturing process, such as fermentation, roasting, alkalization, and conching. Due to the complex composition of the chocolate and the various technological processes, comprehensive food profiling strategies should be applied to analyze protein-polyphenol covalent reactions covering a wide range of potential reaction products. This will help to identify potential effects on the bioaccessibility of bioactive compounds such as low-molecular-weight peptides and polyphenols. To achieve this, databases of potential reaction products and their binding sites can be generated, and the effects of various process conditions on related parameters can be investigated. This would then allow to a deeper insight into mechanisms behind protein-polyphenol interactions in chocolate, and develop strategies to optimize chocolate production for improved nutritional and sensory properties.
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Affiliation(s)
- Sevim Dalabasmaz
- Food Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Ömer Said Toker
- Faculty of Chemical and Metallurgical Engineering, Food Engineering Department, Yıldız Technical University, İstanbul, Turkey
| | - Ibrahim Palabiyik
- Agriculture Faculty, Food Engineering Department, Tekirdag Namik Kemal University, Tekirdag, Turkey
| | - Nevzat Konar
- Agriculture Faculty, Dairy Technology Department, Ankara University, Ankara, Turkey
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13
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Key Aromatic Volatile Compounds from Roasted Cocoa Beans, Cocoa Liquor, and Chocolate. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9020166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The characteristic aromas at each stage of chocolate processing change in quantity and quality depending on the cocoa variety, the chemical composition of the beans, the specific protein storage content, and the polysaccharides and polyphenols determining the type and quantity of the precursors formed during the fermentation and drying process, leading to the formation of specific chocolate aromas in the subsequent roasting and conching processes. Bean aroma is frequently profiled, identified, and semiquantified by headspace solid-phase microextraction combined with gas chromatography-mass spectrometry (HS-SPMEGC-MS) and by gas chromatography olfactometry (GC-O). In general, the flavors generated in chocolate processing include fruity, floral, chocolate, woody, caramel, earthy, and undesirable notes. Each processing stage contributes to or depletes the aroma compounds that may be desirable or undesirable, as discussed in this report.
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14
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Sun S, Xie Y, Yang R, Zhu MJ, Sablani S, Tang J. The influence of temperature and water activity on thermal resistance of Salmonella in milk chocolate. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Balcázar-Zumaeta CR, Castro-Alayo EM, Medina-Mendoza M, Muñoz-Astecker LD, Torrejón-Valqui L, Rodriguez-Perez RJ, Rojas-Ocampo E, Cayo-Colca IS. Physical and Chemical Properties of 70% Cocoa Dark Chocolate Mixed with Freeze-Dried Arazá ( Eugenia stipitata) Pulp. Prev Nutr Food Sci 2022; 27:474-482. [PMID: 36721755 PMCID: PMC9843710 DOI: 10.3746/pnf.2022.27.4.474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/01/2022] [Accepted: 10/01/2022] [Indexed: 01/04/2023] Open
Abstract
This work aimed to determine the chemical and physical properties of 70% dark cocoa chocolate, including freeze-dried Arazá (Eugenia stipitata) pulp (FDAP). We studied chocolates incorporating three FDAP concentrations (1.0, 1.5, and 2.0%). No statistical differences were found in total polyphenol content, antioxidant capacity, and total catechin and epicatechin content. The dark chocolates' moisture and texture were unaffected by the FDAP. The Casson yield stress increased to 19.67±1.35 Pa, while the Casson plastic viscosity reduced to 1.68±0.03 Pa·s, Also, the particle size increased. The dark chocolates' flow behavior corresponded to a non-Newtonian fluid. Finally, the dark chocolate's properties were unaffected by a 2% FDAP concentration.
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Affiliation(s)
- César R. Balcázar-Zumaeta
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú,
Correspondence to César R. Balcázar-Zumaeta, E-mail:
| | - Efraín M. Castro-Alayo
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú
| | - Marleni Medina-Mendoza
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú
| | - Lucas D. Muñoz-Astecker
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú
| | - Llisela Torrejón-Valqui
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú
| | - Roxana J. Rodriguez-Perez
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú
| | - Elizabeth Rojas-Ocampo
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Facultad de Ingeniería y Ciencias Agrarias, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú
| | - Ilse S. Cayo-Colca
- Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Amazonas 01001, Perú
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16
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From Cocoa to Chocolate: Effect of Processing on Flavanols and Methylxanthines and Their Mechanisms of Action. Int J Mol Sci 2022; 23:ijms232214365. [PMID: 36430843 PMCID: PMC9698929 DOI: 10.3390/ijms232214365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/14/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Despite the health benefits associated with the ingestion of the bioactive compounds in cocoa, the high concentrations of polyphenols and methylxanthines in the raw cocoa beans negatively influence the taste, confer the astringency and bitterness, and affect the stability and digestibility of the cocoa products. It is, therefore, necessary to process cocoa beans to develop the characteristic color, taste, and flavor, and reduce the astringency and bitterness, which are desirable in cocoa products. Processing, however, affects the composition and quantities of the bioactive compounds, resulting in the modification of the health-promoting properties of cocoa beans and chocolate. In this advanced review, we sought to better understand the effect of cocoa's transformational process into chocolate on polyphenols and methylxanthine and the mechanism of action of the original flavanols and methylxanthines. More data on the cocoa processing effect on cocoa bioactives are still needed for better understanding the effect of each processing step on the final polyphenolic and methylxanthine composition of chocolate and other cocoa products. Regarding the mechanisms of action, theobromine acts through the modulation of the fatty acid metabolism, mitochondrial function, and energy metabolism pathways, while flavanols mainly act though the protein kinases and antioxidant pathways. Both flavanols and theobromine seem to be involved in the nitric oxide and neurotrophin regulation.
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17
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Development and physicochemical properties of reformulated, high-protein, untempered sugar-free dark chocolates with addition of whey protein isolate and erythritol. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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18
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Dark chocolate: An overview of its biological activity, processing, and fortification approaches. Curr Res Food Sci 2022; 5:1916-1943. [PMID: 36300165 PMCID: PMC9589144 DOI: 10.1016/j.crfs.2022.10.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/29/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
Abstract
Dark chocolate gets popularity for several decades due to its enormous health benefits. It contains several health-promoting factors (bioactive components - polyphenols, flavonoids, procyanidins, theobromines, etc, and vitamins and minerals) that positively modulate the immune system of human beings. It confers safeguards against cardiovascular diseases, certain types of cancers, and other brain-related disorders like Alzheimer's disease, Parkinson's disease, etc. Dark chocolate is considered a functional food due to its anti-diabetic, anti-inflammatory, and anti-microbial properties. It also has a well-established role in weight management and the alteration of a lipid profile to a healthy direction. But during the processing of dark chocolate, several nutrients are lost (polyphenol, flavonoids, flavan 3 ol, ascorbic acid, and thiamine). So, fortification would be an effective method of enhancing the overall nutrient content and also making the dark chocolate self-sufficient. Thus, the focus of this review study is to gather all the experimental studies done on dark chocolate fortification. Several ingredients were used for the fortification, such as fruits (mulberry, chokeberries, and elderberries), spices (cinnamon), phytosterols, peanut oil, probiotics (mainly Lactobacillus, bacillus spices), prebiotics (inulin, xanthan gum, and maltodextrin), flavonoids, flavan-3-ols, etc. Those fortifications were done to raise the total antioxidant content as well as essential fatty acid content simultaneously reducing total calorie content. Sometimes, the fortification was done to improve physical properties like viscosity, rheological propertiesand also improve overall consumer acceptance by modifying its bitter taste. Dark chocolate gets popularity for several decades due to its enormous health benefits. Dark chocolate is considered a functional food due to its health benefits. During the processing of dark chocolate, several nutrients are lost. Fortification would be an effective method of enhancing the overall nutrient content. This review study is to gather all the experimental studies done on dark chocolate fortification.
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19
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Quispe-Sanchez L, Mestanza M, Goñas M, Gill ERA, Oliva-Cruz M, Chavez SG. Physical, functional and sensory properties of bitter chocolates with incorporation of high nutritional value flours. Front Nutr 2022; 9:990887. [PMID: 36204381 PMCID: PMC9531265 DOI: 10.3389/fnut.2022.990887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Due to the growing demand for healthy food products, the industry is seeking to incorporate inputs with high nutritional potential to traditional products. The objective of this research was to evaluate the effect of incorporating Lepidium meyenii, Chenopodium pallidicaule, Amaranthus caudatus, Sesamum indicum and Salvia hispanica flours on the physical, chemical, rheological, textural and thermal characteristics, and the degree of sensory acceptance of dark chocolate bars (65% cocoa). To this end, chocolate bars were made with the incorporation of five flours in four doses (1, 2, 3 and 4%), obtaining 20 different formulations compared with a control treatment (without flour addition). It was found that as flour incorporation levels increased, viscosity, antioxidants and particle size of the chocolates increased, but hardness and pH decreased. The addition of the flours also affected the acceptability and microstructure of the chocolate bars. The incorporation of up to 4% of the flours studied improved the degree of acceptance of the chocolates. Consequently, the incorporation of grain flours with high nutritional value can enhance the characteristics of dark chocolates, becoming a technological alternative for the chocolate industry.
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Affiliation(s)
- Luz Quispe-Sanchez
- Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru
- *Correspondence: Luz Quispe-Sanchez,
| | - Marilu Mestanza
- Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru
| | - Malluri Goñas
- Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru
| | - Elizabeth Renee Ambler Gill
- Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru
- College of Life Sciences and Agriculture COLSA, University of New Hampshire, Durham, NC, United States
| | - Manuel Oliva-Cruz
- Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru
| | - Segundo G. Chavez
- Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru
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20
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Augusto PPC, Bolini HMA. The role of conching in chocolate flavor development: A review. Compr Rev Food Sci Food Saf 2022; 21:3274-3296. [DOI: 10.1111/1541-4337.12975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 04/13/2022] [Accepted: 04/21/2022] [Indexed: 12/01/2022]
Affiliation(s)
- Pedro Pio C. Augusto
- Food Engineering and Technology Department, School of Food Engineering University of Campinas (UNICAMP) Campinas Brazil
| | - Helena M. A. Bolini
- Food Engineering and Technology Department, School of Food Engineering University of Campinas (UNICAMP) Campinas Brazil
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21
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Poliński S, Topka P, Tańska M, Kowalska S, Czaplicki S, Szydłowska-Czerniak A. Impact of Bioactive Compounds of Plant Leaf Powders in White Chocolate Production: Changes in Antioxidant Properties during the Technological Processes. Antioxidants (Basel) 2022; 11:antiox11040752. [PMID: 35453437 PMCID: PMC9029178 DOI: 10.3390/antiox11040752] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 02/06/2023] Open
Abstract
Bioactive compounds present in the powdered leaves of matcha green tea (Camellia sinensis L.) (MGTP) and moringa (Moringa oleifera) (MOLP) seem to be related to health benefits due to their antioxidant properties. The growing accessibility of these powders has led to their being more widely used in food production. The aim of this study was to evaluate the total phenolic content (TPC) and antioxidant capacity (AC) of white chocolate (WCh) supplemented with MGTP and MOLP. AC was determined by 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), cupric ion-reducing antioxidant capacity (CUPRAC), and ferric-reducing antioxidant power (FRAP) assays, whereas TPC was determined by the Folin–Ciocalteu (FC) method. Both additives were incorporated at four levels (1, 2, 3 and 4%) in two chocolate processing steps (conching and tempering). Additionally, the amounts of phenolic acids, tocopherols, and carotenoids in WCh samples enriched by MGTP and MOLP were determined to explain their influence on AC. The results showed that the chocolates supplemented with MGTP were characterized by higher antioxidant properties than those with MOLP. In turn, MOLP significantly increased the content of lipophilic antioxidants in chocolates, tocopherols and carotenoids, which also exhibit pro-health effects. Furthermore, the incorporation of these additives during the tempering process was more relevant to the improvement of the antioxidant properties of WCh.
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Affiliation(s)
- Szymon Poliński
- Department of Analytical Chemistry and Applied Spectroscopy, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland; (S.P.); (S.K.)
- Confectionery Factory “Kopernik” S.A., 87-100 Toruń, Poland;
| | - Patrycja Topka
- Confectionery Factory “Kopernik” S.A., 87-100 Toruń, Poland;
| | - Małgorzata Tańska
- Department of Food Plant Chemistry and Processing, Faculty of Food Sciences, University of Warmia and Mazury, 10-718 Olsztyn, Poland;
- Correspondence: (M.T.); (A.S.-C.); Tel.: +48-89-523-4113 (M.T.); +48-56-611-4786 (A.S.-C.)
| | - Sylwia Kowalska
- Department of Analytical Chemistry and Applied Spectroscopy, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland; (S.P.); (S.K.)
| | - Sylwester Czaplicki
- Department of Food Plant Chemistry and Processing, Faculty of Food Sciences, University of Warmia and Mazury, 10-718 Olsztyn, Poland;
| | - Aleksandra Szydłowska-Czerniak
- Department of Analytical Chemistry and Applied Spectroscopy, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland; (S.P.); (S.K.)
- Correspondence: (M.T.); (A.S.-C.); Tel.: +48-89-523-4113 (M.T.); +48-56-611-4786 (A.S.-C.)
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22
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Altınok E, Kurultay S, Konar N, Toker OS, Kopuk B, Gunes R, Palabiyik I. Utilising grape juice processing by‐products as bulking and colouring agent in white chocolate. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15728] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Sefik Kurultay
- Department of Food Engineering Faculty of Agriculture Tekirdağ Namik Kemal University Tekirdağ 59030 Turkey
| | - Nevzat Konar
- Department of Food Engineering Faculty of Agriculture Eskisehir Osmangazi University Eskisehir 26160 Turkey
| | - Omer Said Toker
- Food Engineering Department, Chemical and Metallurgical Engineering Faculty Yildiz Technical University Istanbul 34349 Turkey
| | - Berkay Kopuk
- Department of Food Engineering Faculty of Agriculture Tekirdağ Namik Kemal University Tekirdağ 59030 Turkey
| | - Recep Gunes
- Food Engineering Department, Engineering Faculty Kirklareli University Kirklareli 39100 Turkey
| | - Ibrahim Palabiyik
- Department of Food Engineering Faculty of Agriculture Tekirdağ Namik Kemal University Tekirdağ 59030 Turkey
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23
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Goktas H, Konar N, Sagdic O, Toker OS. Investigation effects of inulin degree of polymerization on compound chocolate quality. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hamza Goktas
- Vocational School, Food Science and Technology Programme Istinye University Istanbul Turkey
| | - Nevzat Konar
- Agriculture Faculty Food Engineering Department Eskisehir Osmangazi University Eskisehir Turkey
| | - Osman Sagdic
- Chemical and Metallurgical Engineering Faculty Food Engineering Department Yildiz Technical University Istanbul Turkey
| | - Omer Said Toker
- Chemical and Metallurgical Engineering Faculty Food Engineering Department Yildiz Technical University Istanbul Turkey
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24
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Toker OS, Pirouzian HR, Palabiyik I, Konar N. Chocolate flow behavior: Composition and process effects. Crit Rev Food Sci Nutr 2021:1-15. [PMID: 34694187 DOI: 10.1080/10408398.2021.1993782] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Chocolate is a non-Newtonian substance, and such substance has different viscosities at different shear rates. Rheological evaluations have become indispensable instruments for characterizing final chocolate, forecasting product efficiency and consumer acceptance. During production, the different steps depend on a well-defined viscosity and yield stress. Furthermore, the characteristics of the final chocolate (the surface and mouth-feel) are directly related to the chocolate's viscous behavior. There is a demand for better understanding the variables affecting chocolates flow behavior. Current research realized great insight into the chocolate flow behavior in different processes such as refining, conching, and tempering. Also, the influence of formulation and particle characteristics on flow behavior of the intermediate product and the final product were discussed. Each stage of the production process: mixing, refining, conching and tempering involves modifications of macroscopic characteristics of the chocolate ingredients thus affecting the rheological attributes of the final product. Particle size distribution and ingredient composition play substantial roles in shaping its flow behavior and sensory perception. The rheological properties of chocolate provide substantial information for food scientists to improve and optimize their products and manufacturing processes. Nowadays, a thorough understanding of chocolate flow behavior is a necessity for food scientists and industry.
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Affiliation(s)
- Omer Said Toker
- Faculty of Chemistry and Metallurgical, Department of Food Engineering, Yildiz Technical University, İstanbul, Turkey
| | - Haniyeh Rasouli Pirouzian
- Faculty of Nutrition and Food Sciences, Department of Food Science and Technology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ibrahim Palabiyik
- Faculty of Agriculture, Department of Food Engineering, Namik Kemal University, Tekirdağ, Turkey
| | - Nevzat Konar
- Faculty of Agriculture, Department of Food Engineering, Eskisehir Osmangazi University, Eskisehir, Turkey
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25
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Chocolate as Carrier to Deliver Bioactive Ingredients: Current Advances and Future Perspectives. Foods 2021; 10:foods10092065. [PMID: 34574174 PMCID: PMC8472086 DOI: 10.3390/foods10092065] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 08/27/2021] [Accepted: 08/31/2021] [Indexed: 02/04/2023] Open
Abstract
Consumer demand for healthier foods with improved taste and convenience has urged the food industry to develop functional foods added with bioactive ingredients that can supplement basic nutrition (food supplement) or exert a pharmacological effect (nutraceuticals). Chocolate could be used as an ideal carrier to deliver bioactive ingredients, mainly due to its high acceptability by consumers. However, a drawback of using chocolate as functional food is its high sugar content, which impedes its commercialization with the diabetic population. Therefore, there is need to develop sugar-free chocolate formulations added with bioactive ingredients. Nevertheless, sugar replacement and bioactive ingredients addition is a major technological challenge that affects texture, rheology, and sensory properties of chocolate. This review is designed as a practical guide for researchers and food industries to develop the next generation of functional chocolates. Different functional chocolate formulations, including sugar-free, are reviewed as potential carriers for the delivery of bioactive compounds. The physicochemical properties and sensory acceptability of the functional chocolates presented are also highlighted. Finally, future perspectives, such as the use of nanotechnology to improve the bioaccessibility and bioavailability of active ingredients, as well as the need for clinical trials to validate the pharmacological effect of functional chocolates, are also discussed.
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Ramos-de-la-Peña AM, Aguilar O, González-Valdez J. Progress in nanostructure understanding of edible crystalline fats and their application in nano-delivery systems: Cocoa butter as a model. Food Res Int 2021; 147:110561. [PMID: 34399538 DOI: 10.1016/j.foodres.2021.110561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 05/30/2021] [Accepted: 06/22/2021] [Indexed: 11/30/2022]
Abstract
Nucleation and crystal growth of edible fats at the nanoscale have received little attention due to analytical limitations. A key factor to modify the properties of edible fats is nanostructure understanding. Progress within the last years will be presented, including analytical techniques used to investigate fat crystallization. Cocoa butter has been the subject of several works due to its properties and its high impact on chocolate manufacturing. Moreover, this vegetable fat has been used as the solid lipid component in nano delivery systems. Since nanoplatelet is the smallest unit in crystalline fats, and the nanoscale is influenced by supersaturation, temperature, shear fields, and surfactants, nanostructure engineering is possible. On its part, cocoa butter has been included in innovative delivery systems along the last years. This review will highlight main results and challenges on these topics.
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Affiliation(s)
- Ana Mayela Ramos-de-la-Peña
- Tecnologico de Monterrey, School of Engineering and Science, Av. Eugenio Garza Sada 2501 Sur, Monterrey, NL 64849, Mexico.
| | - Oscar Aguilar
- Tecnologico de Monterrey, School of Engineering and Science, Av. Eugenio Garza Sada 2501 Sur, Monterrey, NL 64849, Mexico.
| | - José González-Valdez
- Tecnologico de Monterrey, School of Engineering and Science, Av. Eugenio Garza Sada 2501 Sur, Monterrey, NL 64849, Mexico.
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Selvasekaran P, Chidambaram R. Advances in formulation for the production of low-fat, fat-free, low-sugar, and sugar-free chocolates: An overview of the past decade. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.05.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Urbańska B, Kowalska H, Szulc K, Ziarno M, Pochitskaya I, Kowalska J. Comparison of the Effects of Conching Parameters on the Contents of Three Dominant Flavan3-ols, Rheological Properties and Sensory Quality in Chocolate Milk Mass Based on Liquor from Unroasted Cocoa Beans. Molecules 2021; 26:molecules26092502. [PMID: 33922933 PMCID: PMC8123309 DOI: 10.3390/molecules26092502] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/15/2021] [Accepted: 04/22/2021] [Indexed: 02/06/2023] Open
Abstract
The content of polyphenols in chocolate depends on many factors related to the properties of raw material and manufacturing parameters. The trend toward developing chocolates made from unroasted cocoa beans encourages research in this area. In addition, modern customers attach great importance to how the food they consume benefits their bodies. One such benefit that consumers value is the preservation of natural antioxidant compounds in food products (e.g., polyphenols). Therefore, in our study we attempted to determine the relationship between variable parameters at the conching stage (i.e., temperature and time of) and the content of dominant polyphenols (i.e.,catechins, epicatechins, and procyanidin B2) in chocolate milk mass (CMM) obtained from unroasted cocoa beans. Increasing the conching temperature from 50 to 60 °C decreased the content of three basic flavan-3-ols. The highest number of these compounds was determined when the process was carried out at 50 °C. However, the time that caused the least degradation of these compounds differed. For catechin, it was 2 h; for epicatechin it was 1 h; and for procyanidin it was 3 h. The influence of both the temperature and conching time on the rheological properties of chocolate milk mass was demonstrated. At 50 °C, the viscosity and the yield stress of the conched mass showed its highest value.
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Affiliation(s)
- Bogumiła Urbańska
- Department of Technology and Food Evaluation, Institute of Food Sciences, Warsaw University of Life Sciences, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (M.Z.); (J.K.)
- Correspondence:
| | - Hanna Kowalska
- Department of Food Engineering and Process Management, Institute of Food Sciences, Warsaw University of Life Sciences, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (H.K.); (K.S.)
| | - Karolina Szulc
- Department of Food Engineering and Process Management, Institute of Food Sciences, Warsaw University of Life Sciences, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (H.K.); (K.S.)
| | - Małgorzata Ziarno
- Department of Technology and Food Evaluation, Institute of Food Sciences, Warsaw University of Life Sciences, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (M.Z.); (J.K.)
| | - Irina Pochitskaya
- The Scientific and Practical Centre for Foodstuffs of the National Academy of Sciences of Belarus, 29. Kozlova St., 220037 Minsk, Belarus;
| | - Jolanta Kowalska
- Department of Technology and Food Evaluation, Institute of Food Sciences, Warsaw University of Life Sciences, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (M.Z.); (J.K.)
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Silva LP, Campos NDS, Lisboa TP, de Faria LV, Matos MAC, Matos RC, de Sousa RA. Simultaneous determination of cadmium, lead and copper in chocolate samples by square wave anodic stripping voltammetry. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 38:418-426. [PMID: 33493080 DOI: 10.1080/19440049.2020.1857443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
In this work, an effective and simple method is proposed for the simultaneous determination of cadmium, lead and copper in chocolate samples by Square Wave Anodic Stripping Voltammetry (SWASV). An ultrasonic bath was used for the extraction of cadmium, lead and copper from fourteen chocolate samples using HNO3 solution (7 mol L-1). The electrochemical system consisted of a cell with three electrodes and HCl solution (10 mmol L-1) as the supporting electrolyte. An efficient extraction of the metals (~100%) was attained after 1 h of ultrasonic pre-treatment. Quantitative analysis was carried out by the standard addition method. Good linearity, precision and accuracy were obtained in the range of concentrations examined. The accuracy was evaluated by means of a reference sample of spiked skim milk powder (BCR 151) to prove the reliability of the method. Detection limits (LOD) of 0.089, 0.059 and 0.018 µg g-1 were found for cadmium, copper and lead, respectively, in the chocolate samples. Concentrations in chocolate samples were 4.30-138 µg g-1 for Cu and 0.83-27.9 µg g-1 for Pb, with no significant Cd. The simultaneous determination brings advantages to other methods already reported for chocolate analysis and the samples preparation proposed avoids the traditional sample mineralization step. These characteristics show this new method is especially attractive for case studies and routine analysis.
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Affiliation(s)
- Larissa Pinto Silva
- BACCAN (Grupo BACCAN De Química Analítica), Departamento De Química, Instituto De Ciências Exatas, Universidade Federal De Juiz De Fora, Juiz de for A, MG, Brazil
| | - Náira Da Silva Campos
- BACCAN (Grupo BACCAN De Química Analítica), Departamento De Química, Instituto De Ciências Exatas, Universidade Federal De Juiz De Fora, Juiz de for A, MG, Brazil
| | - Thalles Pedrosa Lisboa
- BACCAN (Grupo BACCAN De Química Analítica), Departamento De Química, Instituto De Ciências Exatas, Universidade Federal De Juiz De Fora, Juiz de for A, MG, Brazil
| | - Lucas Vinícius de Faria
- Instituto De Ciências Exatas, Universidade Federal De Juiz De Fora, Juiz de for A, MG, Brazil
| | | | - Renato Camargo Matos
- Instituto De Ciências Exatas, Universidade Federal De Juiz De Fora, Juiz de for A, MG, Brazil
| | - Rafael Arromba de Sousa
- BACCAN (Grupo BACCAN De Química Analítica), Departamento De Química, Instituto De Ciências Exatas, Universidade Federal De Juiz De Fora, Juiz de for A, MG, Brazil
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Study of Polyphenol Content and Antioxidant Properties of Various Mix of Chocolate Milk Masses with Different Protein Content. Antioxidants (Basel) 2020; 9:antiox9040299. [PMID: 32260255 PMCID: PMC7222213 DOI: 10.3390/antiox9040299] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/01/2020] [Accepted: 04/01/2020] [Indexed: 12/15/2022] Open
Abstract
The aim of the study was to analyze the antioxidant character of conched chocolate milk masses, taking into account different protein content in milk. For the study, cocoa liquor obtained from roasted and unroasted cocoa beans from different regions, as well as milk powder obtained by spray and cylindrical drying were used. The analysis that was carried out showed that the protein content of powdered milk products ranged from about 11.6% (w/w) to over 31% (w/w). Lower content of polyphenols and lower antioxidant activity were shown in the masses to which the addition of milk with higher protein content was applied. The analysis of antioxidant character of chocolate milk masses showed higher total polyphenols content in masses prepared from unroasted cocoa beans liquor.
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Tuenter E, Delbaere C, De Winne A, Bijttebier S, Custers D, Foubert K, Van Durme J, Messens K, Dewettinck K, Pieters L. Non-volatile and volatile composition of West African bulk and Ecuadorian fine-flavor cocoa liquor and chocolate. Food Res Int 2019; 130:108943. [PMID: 32156387 DOI: 10.1016/j.foodres.2019.108943] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 10/25/2022]
Abstract
Cocoa products are obtained from the seeds of Theobroma cacao L. In this research, cocoa liquor and chocolate produced from cocoa beans from West Africa (Forastero, "bulk" cacao) and Ecuador (Nacional variety, "fine-flavor" cacao), were investigated, using a novel approach in which various analytical techniques are combined in order to obtain in-depth knowledge of the studied cocoa samples. The levels of various classes of primary metabolites were determined and a wide range of secondary metabolites, including volatile organic acids, aldehydes, esters, pyrazines, polyphenols, methylxanthines and biogenic amines, were identified and/or quantified by HS-SPME GC-MS (headspace-solid phase microextraction gas chromatography - mass spectrometry). and UPLC-HRMS (ultra-performance liquid chromatography - high resolution mass spectrometry). Odor Activity Values (OAV) were calculated to assess the contribution of individual volatiles on the final aroma. Various volatile aroma compounds were more abundant in the West African cocoa liquor and chocolate, while the Ecuadorian samples were richer in most quantified non-volatile metabolites. Principal component analysis (PCA) confirmed that the four samples can be clearly distinguished. Alcohols, pyrazines, amino acids and biogenic amines were found to be highly influential in causing this differentiation. The proposed approach can be useful in future studies on more extensive cocoa sample collections, in order to highlight similarities and pinpoint typical differences in chemical composition among these samples.
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Affiliation(s)
- Emmy Tuenter
- Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium.
| | | | - Ann De Winne
- Centre for Aroma & Flavour Technology, Department of Microbial and Molecular Systems (M(2)S), Cluster Bioengineering Technology, KU Leuven, Technology Campus Ghent, Ghent, Belgium
| | - Sebastiaan Bijttebier
- Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium; Flemish Institute for Technological Research (VITO), Business Unit Separation and Conversion Technology (SCT), Mol, Belgium
| | - Deborah Custers
- Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium
| | - Kenn Foubert
- Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium
| | - Jim Van Durme
- Centre for Aroma & Flavour Technology, Department of Microbial and Molecular Systems (M(2)S), Cluster Bioengineering Technology, KU Leuven, Technology Campus Ghent, Ghent, Belgium
| | - Kathy Messens
- Research Group Molecular Biotechnology (MOBI), Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Belgium
| | - Koen Dewettinck
- Laboratory of Food Technology and Engineering, Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Luc Pieters
- Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium
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