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Kotańska M, Wojtaszek K, Kubacka M, Bednarski M, Nicosia N, Wojnicki M. The Influence of Caramel Carbon Quantum Dots and Caramel on Platelet Aggregation, Protein Glycation and Lipid Peroxidation. Antioxidants (Basel) 2023; 13:13. [PMID: 38275633 PMCID: PMC10812612 DOI: 10.3390/antiox13010013] [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: 10/28/2023] [Revised: 12/05/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024] Open
Abstract
Caramel, defined as a coloring agent and as an antioxidant, is used in several kinds of food products and is consumed by many people in different amounts. In our research we showed that the caramelization of sucrose under special conditions leads to the formation of carbon quantum dots (CQDs). So, it makes sense that humans also consume this type of CQDs, and it is theoretically possible for these particles to affect the body. Despite an increasing number of studies describing different types of CQDs, their biosafety is still not clearly understood. In our in vitro research, we examined the effects on platelet aggregation, protein glycation and lipid peroxidation of CQDs and caramel formed from a 20% sucrose solution. In vitro aggregation tests were conducted using freshly collected whole rat blood in a multiplate platelet function analyzer and measurer of electric impedance. The cytotoxic effect of the tested solutions on blood platelets was evaluated based on the release of lactate dehydrogenase. The formation of glycated bovine serum albumin was measured as fluorescence intensity and fructosamine level. The reducing power of the solutions was determined in adipose tissue, and their effect on lipid peroxidation in adipose tissue in vitro was also assessed. By measuring the intensity of hemolysis after incubation in solutions with red blood cell, we assessed their influence on the integration of the red blood cell membrane. All tests were performed in comparison with glucose and fructose and other frequently used sweeteners, such as erythritol and xylitol. Our study showed that caramel and CQDs formed from caramel may influence the glycation process and integrity of the red blood cell membrane, but unlike glucose and fructose, they decrease lipid peroxidation and may reduce Fe (III). Additionally, it is unlikely that they affect platelet aggregation. Compared to glucose and fructose, they may be safer for patients with metabolic disorders; however, further research is needed on the safety and biological activity of caramel and CQD.
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Affiliation(s)
- Magdalena Kotańska
- Department of Pharmacological Screening, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland;
| | - Konrad Wojtaszek
- Faculty of Non-Ferrous Metals, AGH University of Krakow, Mickiewicza Ave., 30-059 Krakow, Poland;
| | - Monika Kubacka
- Department of Pharmacodynamics, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland;
| | - Marek Bednarski
- Department of Pharmacological Screening, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland;
| | - Noemi Nicosia
- PhD Program in Neuroscience, Department of Medicine and Surgery, University of Milano-Bicocca, 20126 Milan, Italy
| | - Marek Wojnicki
- Faculty of Non-Ferrous Metals, AGH University of Krakow, Mickiewicza Ave., 30-059 Krakow, Poland;
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Czech-Załubska K, Klich D, Jackowska-Tracz A, Didkowska A, Bogdan J, Anusz K. Dyes Used in Processed Meat Products in the Polish Market, and Their Possible Risks and Benefits for Consumer Health. Foods 2023; 12:2610. [PMID: 37444348 DOI: 10.3390/foods12132610] [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: 04/12/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
Manufacturers are obliged to label processed meat products with information concerning the additives used and nutritional values. The aim of the study was to identify the dyes most frequently used in processed meat, evaluate their influence on specific food qualities, assess whether their use was correct and review their effect on health. The analysis was based on information on the labels and images of processed meat, and used a generalised linear model with a binary dependent variable. The risks and benefits for human health were defined based on the available literature. Twelve dyes were found to be used in the manufacture of processed meat. Carmine was found in 183 of 273 (67.03%) evaluated assortments containing dyes. The occurrence of water, flavourings and high fat and carbohydrate contents increased the chances that a dye would be present in a particular product. Unauthorised use of food additives was found in 20 products, with smoked meat products demonstrating the highest number of non-compliances. In general, the dyes used with food are considered safe; however, reservations are associated with the use of E150C and E150D caramels due to their potential carcinogenic effect, and carmine and annatto due to their allergic effects.
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Affiliation(s)
- Katarzyna Czech-Załubska
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Daniel Klich
- Institute of Animal Sciences, University of Life Sciences-SGGW, Ciszewskiego 8, 02-786 Warsaw, Poland
| | - Agnieszka Jackowska-Tracz
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Anna Didkowska
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Janusz Bogdan
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Krzysztof Anusz
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
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Schab D, Zahn S, Rohm H. Development of a Caramel-Based Viscoelastic Reference Material for Cutting Tests at Different Rates. Materials (Basel) 2021; 14:3798. [PMID: 34300717 DOI: 10.3390/ma14143798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 06/24/2021] [Accepted: 06/29/2021] [Indexed: 11/17/2022]
Abstract
Cutting speed plays a crucial role for the behavior during and the final quality of viscoelastic foods after cutting and is, in industrial applications, usually adjusted on an empirical basis. Although previous studies investigated the interplay between the time-dependent properties and cutting behavior of model systems on an elastomer basis, there is still a need to elaborate such cause-effect relations for real foods. The aim of this study was to establish a reproducible manufacture of model caramels on a laboratory scale and to investigate the influence of the compositional parameters, moisture, and solid fat content, as well as cutting speed, on cutting behavior. It was possible to visualize ductile-brittle transitions in cutting force profiles, with an increase in cutting speed resulting in effects similar to that induced by a decreasing moisture content or an increasing solid fat content. Quantitatively, the progression of both maximum force and cutting energy reversed when cutting speed increased and composition changed in favor of a more brittle behavior. This work provides the basis for further research on distinct loading phenomena observed during the cutting of foods and for numerical modeling of the cutting process.
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Sung WC, Chi MH, Chiou TY, Lin SH, Lee WJ. Influence of caramel and molasses addition on acrylamide and 5-hydroxylmethylfurfural formation and sensory characteristics of non-centrifugal cane sugar during manufacturing. J Sci Food Agric 2020; 100:4512-4520. [PMID: 32406103 DOI: 10.1002/jsfa.10492] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 04/17/2020] [Accepted: 05/14/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The aims of this study are to (i) evaluate the effects of color enhancers, caramel (C) and molasses (M), on acrylamide and 5-hydroxylmethylfurfural (HMF) formation in non-centrifugal cane sugar (NCS) and to (ii) perform nine-point hedonic scale and evaluation of sensory attributes, encompassing the appearance, flavor, texture and aftertaste, by 71 consumers on NCS, NCS_C, and NCS products made with a blend of molasses and sugar (NCS_MS) and steam processing (NCS_S). RESULTS With the addition of molasses and caramel at the maximum allowable level of 5 g kg-1 in sugarcane juice, significantly greater acrylamide or HMF did not accumulate in NCS_C and NCS_M during the thermal manufacturing process, while color values of NCS_C significantly changed (P < 0.05). The increases in acrylamide and HMF contents were influenced by pH because they were produced by the Maillard reaction. Hedonic responses showed that NCS_MS was rated with the highest score for overall acceptance, whereas NCS_S, with the lowest content of acrylamide, exhibited the lowest score for every attribute. In addition, the appearance acceptance score of NCS_C was significantly higher than that of NCS (P < 0.05). Significant differences were also found between NCS and NCS_C in the frequency of 9 of 16 items with which consumers selected to characterize the appearance in a check-all-that-apply questionnaire (P < 0.05). CONCLUSIONS The association between hedonic evaluations and sensory profiles in visual attributes of NCS_C indicated that caramel could be a promising addition in Maillard reaction-mitigated NCS products to improve consumer preferences through color strengthening without safety concerns. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Wen-Chieh Sung
- Department of Food Science, National Taiwan Ocean University, Keelung, Taiwan
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan
| | - Ming-Hsuan Chi
- Department of Food Science, National Taiwan Ocean University, Keelung, Taiwan
| | - Tai-Ying Chiou
- School of Regional Innovation and Social Design Engineering, Kitami Institute of Technology, Kitami, Japan
| | - Shyh-Hsiang Lin
- Master Program in Food Safety, Taipei Medical University, Taipei, Taiwan
| | - Wei-Ju Lee
- Master Program in Food Safety, Taipei Medical University, Taipei, Taiwan
- School of Food Safety, Taipei Medical University, Taipei, Taiwan
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Abstract
Sous-vide is an increasingly popular method of cooking under controlled conditions of temperature and time inside vacuumed pouches to preserve the nutritional and sensory qualities of food. Sous-vide nonenzymatic browning of glucosamine (GlcN) was investigated at 50, 60, and 70 °C for 12 h. Changes investigated were pH, color, level of browning, and the concentrations of the key Maillard and caramelization reaction products, including α-dicarbonyls and pyrazines. The concentrations of undesired 4-methylimidazole (4-MEI), 2-acetyl-4(5)-tetrahydroxybutyl imidazole (THI), and 5-hydroxymethylfurfural (5-HMF) were also determined. Six types of caramels were produced of unique composition with no detectable levels of 4-MEI. GlcN caramels produced under vacuum were more acidic and lighter in color, containing significantly less flavorful diacetyl, but more fructosazine (FR) as compared to nonvacuum caramels. THI concentration was well below the toxicity levels for all studied caramels. Principal component analyses showed that the incubation temperature played a key role in determining the composition of caramels.
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Affiliation(s)
- Prinjiya Dhungel
- Department of Agricultural, Food and Nutritional Science , University of Alberta , 410 Agriculture/Forestry Centre , Edmonton , Alberta T6G 2P5 , Canada
| | - Yuliya Hrynets
- Department of Agricultural, Food and Nutritional Science , University of Alberta , 410 Agriculture/Forestry Centre , Edmonton , Alberta T6G 2P5 , Canada
| | - Mirko Betti
- Department of Agricultural, Food and Nutritional Science , University of Alberta , 410 Agriculture/Forestry Centre , Edmonton , Alberta T6G 2P5 , Canada
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Mayhew EJ, Schmidt SJ, Schlich P, Lee SY. Temporal Texture Profile and Identification of Glass Transition Temperature as an Instrumental Predictor of Stickiness in a Caramel System. J Food Sci 2017; 82:2167-2176. [PMID: 28796325 DOI: 10.1111/1750-3841.13822] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [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: 02/17/2017] [Revised: 06/22/2017] [Accepted: 06/29/2017] [Indexed: 11/28/2022]
Abstract
Stickiness is an important texture attribute in many food systems, but its meaning can vary by person, product, and throughout mastication. This variability and complexity makes it difficult to devise analytical tests that accurately and consistently predict sensory stickiness. Glass transition temperature (Tg ) is a promising candidate for texture prediction. Our objective is to elucidate the temporal profile of stickiness in order to probe the relationship between Tg and dynamic stickiness perception. Nine caramel samples with diverse texture and thermal profiles were produced for sensory testing and differential scanning calorimetry. Sixteen trained panelists generated stickiness-relevant terms to be used in a subsequent temporal dominance of sensation (TDS) test with the same panelists. Following the TDS study, these panelists also rated samples for overall tactile and oral stickiness. Stickiness ratings were then correlated to TDS dominance parameters across the full evaluation period and within the first, middle, and final thirds of the evaluation period. Samples with temporal texture profiles dominated by tacky, stringy, and enveloping attributes consistently received the highest stickiness scores, although the correlation strength varied by time period. Tg was found to correlate well with trained panelist and consumer ratings of oral (R2trained = 0.85; R2consumer = 0.96) and tactile (R2trained = 0.78; R2consumer = 0.79) stickiness intensity, and stickiness intensity ratings decreased with Tg of completely amorphous samples. Further, glassy samples followed a different texture trajectory (brittle-cohesive-toothpacking) than rubbery samples (deformable-tacky-enveloping). These results illuminate the dynamic perception of stickiness and support the potential of Tg to predict both stickiness intensity and texture trajectory in caramel systems.
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Affiliation(s)
- Emily J Mayhew
- Department of Food and Science and Human Nutrition, University of Illinois at Urbana-Champaign, 905 S. Goodwin Ave, MC-182, Urbana, IL, 61801, U.S.A
| | - Shelly J Schmidt
- Department of Food and Science and Human Nutrition, University of Illinois at Urbana-Champaign, 905 S. Goodwin Ave, MC-182, Urbana, IL, 61801, U.S.A
| | - Pascal Schlich
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRA, University Bourgogne Franche-Comté, 9E Boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Soo-Yeun Lee
- Department of Food and Science and Human Nutrition, University of Illinois at Urbana-Champaign, 905 S. Goodwin Ave, MC-182, Urbana, IL, 61801, U.S.A
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Stelk T, Niemann L, Lambrecht DM, Baumert JL, Taylor SL. False positive detection of peanut residue in liquid caramel coloring using commercial ELISA kits. J Food Sci 2013; 78:T1091-3. [PMID: 23647653 DOI: 10.1111/1750-3841.12146] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 03/26/2013] [Indexed: 11/29/2022]
Abstract
Initial food industry testing in our laboratory using enzyme-linked immunosorbent assay (ELISA) methods indicated that the darkest caramel color (class IV) unexpectedly contained traces of peanut protein, a potential undeclared allergen issue. Caramel production centers on the heating of sugars, often glucose, under controlled heat and chemical processing conditions with other ingredients including ammonia, sulfite, and/or alkali salts. These ingredients should not contain any traces of peanut residue. We sought to determine the reliability of commercially available peanut allergen ELISA methods for detection of apparent peanut residue in caramel coloring. Caramel color samples of classes I, II, III, and IV were obtained from 2 commercial suppliers and tested using 6 commercially available quantitative and qualitative peanut ELISA kits. Five lots of class IV caramel color were spiked with a known concentration of peanut protein from light roasted peanut flour to assess recovery of peanut residue using a spike and recovery protocol with either 15 ppm or 100 ppm peanut protein on a kit-specific basis. A false positive detection of peanut protein was found in class IV caramel colors with a range of 1.2 to 17.6 parts per million recovered in both spiked and unspiked liquid caramel color samples. ELISA kit spike/recovery results indicate that false negative results might also be obtained if peanut contamination were ever to actually exist in class IV caramel color. Manufacturers of peanut-free products often test all ingredients for peanut allergen residues using commercial ELISA kits. ELISA methods are not reliable for the detection of peanut in class IV caramel ingredients and their use is not recommended with this matrix.
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Affiliation(s)
- T Stelk
- Food Allergy Research & Resource Program, Dept. of Food Science & Technology, Univ. of Nebraska, Lincoln, NE 68583-0919, USA
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