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Dehelean A, Feher I, Romulus P, Magdas DA, Covaciu FD, Kasza AM, Curean V, Cristea G. Influence of Geographical Origin on Isotopic and Elemental Compositions of Pork Meat. Foods 2023; 12:4271. [PMID: 38231739 DOI: 10.3390/foods12234271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 11/16/2023] [Accepted: 11/24/2023] [Indexed: 01/19/2024] Open
Abstract
Pigs are a primary source of meat, accounting for over 30% of global consumption. Consumers' preferences are determined by health considerations, paying more attention to foodstuffs quality, animal welfare, place of origin, and swine feeding regime, and being willing to pay a higher price for a product from a certain geographical region. In this study, the isotopic fingerprints (δ2H, δ18O, and δ13C) and 29 elements of loin pork meat samples were corroborated with chemometric methods to obtain the most important variables that could classify the samples' geographical origin. δ2H and δ18O values ranged from -71.0 to -21.2‱, and from -9.3 to -2.8‱, respectively. The contents of macro- and micro-essential elements are presented in the following order: K > Na > Mg > Ca > Zn > Fe > Cu > Cr. The LDA model assigned in the initial classification showed 91.4% separation of samples, while for the cross-validation procedure, a percentage of 90% was obtained. δ2H, K, Rb, and Pd were identified as the most representative parameters to differentiate the pork meat samples coming from Romania vs. those from abroad. The mean values of metal concentrations were used to estimate the potential health risks associated with the consumption of pork meat The results showed that none of the analyzed metals (As, Cd, Sn, Pb, Cu, and Zn) pose a carcinogenic risk.
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Affiliation(s)
- Adriana Dehelean
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Ioana Feher
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Puscas Romulus
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Dana Alina Magdas
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Florina-Dorina Covaciu
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Angela Maria Kasza
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Victor Curean
- Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Gabriela Cristea
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
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Hur SH, Kim S, Kim H, Jeong S, Chung H, Kim YK, Kim HJ. Geographical discrimination of dried chili peppers using femtosecond laser ablation-inductively coupled plasma-mass spectrometry (fsLA-ICP-MS). Curr Res Food Sci 2023; 6:100532. [PMID: 37377492 PMCID: PMC10290993 DOI: 10.1016/j.crfs.2023.100532] [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: 03/31/2023] [Revised: 05/09/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
This study presents a method for discriminating the geographical origin of dried chili peppers using femtosecond laser ablation-inductively coupled plasma-mass spectrometry (fsLA-ICP-MS) and multivariate analysis, such as orthogonal partial least squares discriminant analysis (OPLS-DA), heatmap analysis, and canonical discriminant analysis (CDA). Herein, 102 samples were analyzed for the content of 33 elements using optimized conditions of 200 Hz (repetition rate), 50 μm (spot size), and 90% (energy). Significant differences in count per second (cps) values of the elements were observed between domestic and imported peppers, with variations of up to 5.66 times (133Cs). The OPLS-DA model accuracy achieved an R2 of 0.811 and a Q2 of 0.733 for distinguishing dried chili peppers of different geographical origins. The variable importance in projection (VIP) and s-plot identified elements 10 and 3 as key to the OPLS-DA model, and in the heatmap, six elements were estimated to be significant in discriminating between domestic and imported samples. Furthermore, CDA showed a high accuracy of 99.02%. This method can ensure food safety for consumers, and accurately determine the geographic origin of agricultural products.
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Affiliation(s)
- Suel Hye Hur
- National Agricultural Products Quality Management Service, Gimcheon, 39660, Republic of Korea
| | - Seyeon Kim
- National Agricultural Products Quality Management Service, Gimcheon, 39660, Republic of Korea
| | - Hyoyoung Kim
- National Agricultural Products Quality Management Service, Gimcheon, 39660, Republic of Korea
| | - Seongsoo Jeong
- Department of Chemistry and Research Institute for Convergence of Basic Science, Hanyang University, Seoul, 04763, Republic of Korea
| | - Hoeil Chung
- Department of Chemistry and Research Institute for Convergence of Basic Science, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yong-Kyoung Kim
- National Agricultural Products Quality Management Service, Gimcheon, 39660, Republic of Korea
| | - Ho Jin Kim
- National Agricultural Products Quality Management Service, Gimcheon, 39660, Republic of Korea
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Hwang J, Choi E, Lee S, Chun HS, Ahn S, Kim BH. Combined analysis of inorganic elements and sugars for the identification of red pepper powder containing undeclared ingredients. J Food Sci 2022; 87:1047-1057. [PMID: 35150135 DOI: 10.1111/1750-3841.16066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/16/2021] [Accepted: 01/07/2022] [Indexed: 11/29/2022]
Abstract
This study sought to identify adulterated red pepper powder (RPP) containing undeclared ingredients, such as salts, glucose, Monascus red pigments, and other plant ingredients (e.g., wheat flour, garlic powder, onion powder) using element and sugar analysis methods. Analytical data were obtained for 66 samples of authentic RPP and 12 samples of adulterated RPP. The variables selected to identify the authenticity of RPP include Na, Cl, K, maltohexaose, and maltoheptaose, which partly or totally originate from RPP, salts, or Monascus red pigments. All the 12 samples of commercial seasoned RPP used as models of adulterated RPP and all the 20 blind samples containing ≥10% (w/w) of commercial seasoned RPP were correctly identified by applying the range of the five variables found for the authentic RPP samples. Our findings suggest that combined analyses of the above five constituents could be used to identify adulterated RPP containing undeclared ingredients. PRACTICAL APPLICATION: Adulteration of high-priced spice products, including red pepper powder (RPP), has increasingly become a public concern worldwide as it endangers consumer health and represents economic fraud. This study provides analytical methods that can accurately determine the authenticity of RPP. They would become effective means for protecting producers and suppliers against unfair competition and consumers against health threats.
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Affiliation(s)
- Jihyun Hwang
- Department of Food and Nutrition, Sookmyung Women's University, Seoul, South Korea
| | - Eunji Choi
- Department of Food and Nutrition, Sookmyung Women's University, Seoul, South Korea
| | - Sohee Lee
- Department of Food and Nutrition, Sookmyung Women's University, Seoul, South Korea
| | - Hyang Sook Chun
- Department of Food Science & Technology, Chung-Ang University, Anseong, South Korea
| | - Sangdoo Ahn
- Department of Chemistry, Chung-Ang University, Seoul, South Korea
| | - Byung Hee Kim
- Department of Food and Nutrition, Sookmyung Women's University, Seoul, South Korea
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Kim M, Hong J, Lee D, Kim S, Chun HS, Cho YH, Kim BH, Ahn S. Discriminant Analysis of the Geographical Origin of Asian Red Pepper Powders Using Second-Derivative FT-IR Spectroscopy. Foods 2021; 10:foods10051034. [PMID: 34068620 PMCID: PMC8150797 DOI: 10.3390/foods10051034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 11/28/2022] Open
Abstract
This study aimed to discriminate between the geographical origins of Asian red pepper powders distributed in Korea using Fourier-transform infrared (FT-IR) spectroscopy coupled with multivariate statistical analyses. Second-derivative spectral data were obtained from a total of 105 red pepper powder samples, 86 of which were used for statistical analysis, and the remaining 19 were used for blind testing. A one-way analysis of variance (ANOVA) test confirmed that eight peak variables exhibited significant origin-dependent differences, and the canonical discriminant functions derived from these variables were used to correctly classify all the red pepper powder samples based on their origins. The applicability of the canonical discriminant functions was examined by performing a blind test wherein the origins of 19 new red pepper powder samples were correctly classified. For simplicity, the four most significant variables were selected as discriminant indicator variables, and the applicable range for each indicator variable was set for each geographical origin. By applying the indicator variable ranges, the origins of the red pepper powders of all the statistical and blind samples were correctly identified. The study findings indicate the feasibility of using FT-IR spectroscopy in combination with multivariate analysis for identifying the geographical origins of red pepper powders.
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Affiliation(s)
- Miso Kim
- Department of Chemistry, Chung-Ang University, Seoul 06974, Korea; (M.K.); (J.H.); (D.L.); (S.K.)
| | - Junyoung Hong
- Department of Chemistry, Chung-Ang University, Seoul 06974, Korea; (M.K.); (J.H.); (D.L.); (S.K.)
| | - Dongwon Lee
- Department of Chemistry, Chung-Ang University, Seoul 06974, Korea; (M.K.); (J.H.); (D.L.); (S.K.)
| | - Sohyun Kim
- Department of Chemistry, Chung-Ang University, Seoul 06974, Korea; (M.K.); (J.H.); (D.L.); (S.K.)
| | - Hyang Sook Chun
- Department of Food Science & Technology, Chung-Ang University, Ansung 17546, Korea;
| | - Yoon-Ho Cho
- Department of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, Korea;
| | - Byung Hee Kim
- Department of Food and Nutrition, Sookmyung Women’s University, Seoul 04310, Korea;
| | - Sangdoo Ahn
- Department of Chemistry, Chung-Ang University, Seoul 06974, Korea; (M.K.); (J.H.); (D.L.); (S.K.)
- Correspondence: ; Tel.: +82-2-820-5230
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Zhao Q, Wang L, Hong X, Liu Y, Li J. Structural and functional properties of perilla protein isolate extracted from oilseed residues and its utilization in Pickering emulsions. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106412] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Liu Y, Li D, Wei Y, Ma Y, Wang Y, Huang L, Wang Y. Hydrolyzed peptides from purple perilla (Perilla frutescens L. Britt.) seeds improve muscle synthesis and exercise performance in mice. J Food Biochem 2020; 44:e13461. [PMID: 32984958 DOI: 10.1111/jfbc.13461] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 01/04/2023]
Abstract
The purple perilla (Perilla frutescens L. Britt.) seed peptides (PPSP) were obtained and their improvement of muscle synthesis and exercise performance was investigated in this work. Results showed that the weight-average molecular weight of the PPSP was 869 Dalton. The PPSP were rich in branched-chain amino acids (18.82 g/100 g) and anti-fatigue amino acids, including glutamate (Glu), aspartic acid (Asp), and arginine (Arg). After the administration of PPSP at 1.2 g kg-1 day-1 for 4 weeks, the muscle coefficient and muscle fiber thickness in mice displayed a distinct (p < .05) increase via the upregulation of myogenic differentiation (MyoD) and myogenin (MyoG). The improved muscle strength and exercise tolerance were also observed. Simultaneously, the levels of the biochemical blood markers associated with fatigue and the glycogen degradation in liver and muscle were significantly (p < .05) suppressed. These results suggested that PPSP could effectively promote muscle synthesis and ameliorate exercise fatigue. PRACTICAL APPLICATIONS: Purple perilla is an annual herbal plant and widely grown in Asian countries as an important crop and food. It is believed that the protein content of purple perilla seeds can reach 23.7%, and the protein is rich in essential amino acids. However, the information about the beneficial effects of their proteins or peptides on muscle synthesis and anti-exercise fatigue were still limited. The present results discovered that the PPSP can effectively promote the growth of muscle tissue and improve exercise tolerance. It is indicated that PPSP may have a potential application value in partly or completely replacing animal proteins such as whey protein.
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Affiliation(s)
- Yixiang Liu
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Donghui Li
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Ying Wei
- The Department of Food Engineering, China National Research Institute of Food & Fermentation Industries Corporation Limited, Beijing, People's Republic of China
| | - Yu Ma
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Yuchen Wang
- The Department of Food Engineering, China National Research Institute of Food & Fermentation Industries Corporation Limited, Beijing, People's Republic of China
| | - Ling Huang
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Yanbo Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
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