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Hassan M, Hussain D, Kanwal T, Xiao HM, Ghulam Musharraf S. Methods for detection and quantification of gelatin from different sources. Food Chem 2024; 438:137970. [PMID: 37988934 DOI: 10.1016/j.foodchem.2023.137970] [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: 05/23/2023] [Revised: 11/05/2023] [Accepted: 11/09/2023] [Indexed: 11/23/2023]
Abstract
Gelatin is a water-soluble protein obtained from the collagen of various animal origins (porcine, bovine, fish, donkey, horse, and deer hide) and has diverse applications in the food, pharmaceutical, and cosmetics industries. Porcine and bovine gelatins are extensively used in food and non-food products; however, their acceptance is limited due to religious prohibitions, whereas fish gelatin is accepted in all religions. In Southeast Asia, especially in China, gelatin obtained from donkey and deer skins is used in medicines. However, both sources suffer from adulteration (mixing different sources of gelatin) due to their limited availability and high cost. Unclear labeling and limited information about actual gelatin sources in gelatin-containing products cause serious concern among societies for halal and fraud authentication of gelatin sources. Therefore, authenticating gelatin sources in gelatin-based products is challenging due to close similarities between the composition differences and degradation of DNA and protein biomarkers in processed gelatin. Thus, different methods have been proposed to identify and quantify different gelatin sources in pharmaceutical and food products. To the best of our knowledge, this systematic and comprehensive review highlights different authentication techniques and their limitations in gelatin detection and quantification in various commercial products. This review also describes halal authentication and adulteration prevention strategies of various gelatin sources, mainly focussing on research gaps, challenges, and future directions in this research area.
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Affiliation(s)
- Mahjabeen Hassan
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Dilshad Hussain
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
| | - Tehreem Kanwal
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Hua-Ming Xiao
- Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Syed Ghulam Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
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2
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Cao J, Shen H, Zhao S, Ma X, Chen L, Dai S, Xu B, Qiao Y. Sample Size Requirements of a Pharmaceutical Material Library: A Case in Predicting Direct Compression Tablet Tensile Strength by Latent Variable Modeling. Pharmaceutics 2024; 16:242. [PMID: 38399296 PMCID: PMC10893091 DOI: 10.3390/pharmaceutics16020242] [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: 12/22/2023] [Revised: 01/26/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024] Open
Abstract
The material library is an emerging, new data-driven approach for developing pharmaceutical process models. How many materials or samples should be involved in a particular application scenario is unclear, and the impact of sample size on process modeling is worth discussing. In this work, the direct compression process was taken as the research object, and the effects of different sample sizes of material libraries on partial least squares (PLS) modeling in the prediction of tablet tensile strength were investigated. A primary material library comprising 45 materials was built. Then, material subsets containing 5 × i (i = 1, 2, 3, …, 8) materials were sampled from the primary material library. Each subset underwent sampling 1000 times to analyze variations in model fitting performance. Both hierarchical sampling and random sampling were employed and compared, with hierarchical sampling implemented with the help of the tabletability classification index d. For each subset, modeling data were organized, incorporating 18 physical properties and tableting pressure as the independent variables and tablet tensile strength as the dependent variable. A series of chemometric indicators was used to assess model performance and find important materials for model training. It was found that the minimum R2 and RMSE values reached their maximum, and the corresponding values were kept almost unchanged when the sample sizes varied from 20 to 45. When the sample size was smaller than 15, the hierarchical sampling method was more reliable in avoiding low-quality few-shot PLS models than the random sampling method. Two important materials were identified as useful for building an initial material library. Overall, this work demonstrated that as the number of materials increased, the model's reliability improved. It also highlighted the potential for effective few-shot modeling on a small material library by controlling its information richness.
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Affiliation(s)
- Junjie Cao
- Department of Chinese Medicine Informatics, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11, North Third Ring East Road, Beijing 100029, China; (J.C.); (H.S.); (S.Z.); (X.M.); (L.C.)
- Beijing Key Laboratory of Chinese Medicine Manufacturing Process Control and Quality Evaluation, Beijing 100029, China
| | - Haoran Shen
- Department of Chinese Medicine Informatics, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11, North Third Ring East Road, Beijing 100029, China; (J.C.); (H.S.); (S.Z.); (X.M.); (L.C.)
| | - Shuying Zhao
- Department of Chinese Medicine Informatics, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11, North Third Ring East Road, Beijing 100029, China; (J.C.); (H.S.); (S.Z.); (X.M.); (L.C.)
- Beijing Key Laboratory of Chinese Medicine Manufacturing Process Control and Quality Evaluation, Beijing 100029, China
| | - Xiao Ma
- Department of Chinese Medicine Informatics, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11, North Third Ring East Road, Beijing 100029, China; (J.C.); (H.S.); (S.Z.); (X.M.); (L.C.)
- Beijing Key Laboratory of Chinese Medicine Manufacturing Process Control and Quality Evaluation, Beijing 100029, China
| | - Liping Chen
- Department of Chinese Medicine Informatics, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11, North Third Ring East Road, Beijing 100029, China; (J.C.); (H.S.); (S.Z.); (X.M.); (L.C.)
- Beijing Key Laboratory of Chinese Medicine Manufacturing Process Control and Quality Evaluation, Beijing 100029, China
| | - Shengyun Dai
- National Institutes for Food and Drug Control, Beijing 100050, China;
| | - Bing Xu
- Department of Chinese Medicine Informatics, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11, North Third Ring East Road, Beijing 100029, China; (J.C.); (H.S.); (S.Z.); (X.M.); (L.C.)
- Beijing Key Laboratory of Chinese Medicine Manufacturing Process Control and Quality Evaluation, Beijing 100029, China
| | - Yanjiang Qiao
- Department of Chinese Medicine Informatics, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11, North Third Ring East Road, Beijing 100029, China; (J.C.); (H.S.); (S.Z.); (X.M.); (L.C.)
- Beijing Key Laboratory of Chinese Medicine Manufacturing Process Control and Quality Evaluation, Beijing 100029, China
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3
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Garcia-Vaquero M, Mirzapour-Kouhdasht A. A review on proteomic and genomic biomarkers for gelatin source authentication: Challenges and future outlook. Heliyon 2023; 9:e16621. [PMID: 37303544 PMCID: PMC10248112 DOI: 10.1016/j.heliyon.2023.e16621] [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: 08/13/2022] [Revised: 05/05/2023] [Accepted: 05/22/2023] [Indexed: 06/13/2023] Open
Abstract
Biomarkers are compounds that could be detected and used as indicators of normal and/or abnormal functioning of different biological systems, including animal tissues and food matrices. Gelatin products of animal origin, mainly bovine and porcine, are currently under scrutiny mainly due to the specific needs of some sectors of the population related to religious beliefs and their dietary prohibitions, as well as some potential health threats associated with these products. Thus, manufacturers are currently in need of a reliable, convenient, and easy procedure to discern and authenticate the origin of animal-based gelatins (bovine, porcine, chicken, or fish). This work aims to review current advances in the creation of reliable gelatin biomarkers for food authentication purposes based on proteomic and DNA biomarkers that could be applied in the food sector. Overall, the presence of specific proteins and peptides in gelatin can be chemically analysed (i.e., by chromatography, mass spectroscopy, electrophoresis, lateral flow devices, and enzyme-linked immunosorbent assay), and different polymerase chain reaction (PCR) methods have been applied for the detection of nucleic acid substances in gelatin. Altogether, despite the fact that numerous methods are currently being developed for the purpose of detecting gelatin biomarkers, their widespread application is highly dependent on the cost of the equipment and reagents as well as the ease of use of the various methods. Combining different methods and approaches targeting multiple biomarkers may be key for manufacturers to achieve reliable authentication of gelatin's origin.
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4
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Determination of porcine derived components in gelatin and gelatin-containing foods by high performance liquid chromatography-tandem mass spectrometry. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.107978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Kua JM, Azizi MMF, Abdul Talib MA, Lau HY. Adoption of analytical technologies for verification of authenticity of halal foods - a review. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2022; 39:1906-1932. [PMID: 36252206 DOI: 10.1080/19440049.2022.2134591] [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: 12/14/2022]
Abstract
Halal authentication has become essential in the food industry to ensure food is free from any prohibited ingredients according to Islamic law. Diversification of food origin and adulteration issues have raised concerns among Muslim consumers. Therefore, verification of food constituents and their quality is paramount. From conventional methods based on physical and chemical properties, various diagnostic methods have emerged relying on protein or DNA measurements. Protein-based methods that have been used in halal detection including electrophoresis, chromatographic-based methods, molecular spectroscopy and immunoassays. Polymerase chain reaction (PCR) and loop-mediated isothermal amplification (LAMP) are DNA-based techniques that possess better accuracy and sensitivity. Biosensors are miniatured devices that operate by converting biochemical signals into a measurable quantity. CRISPR-Cas is one of the latest novel emerging nucleic acid detection tools in halal food analysis as well as quantification of stable isotopes method for identification of animal species. Within this context, this review provides an overview of the various techniques in halal detection along with their advantages and limitations. The future trend and growth of detection technologies are also discussed in this review.
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Affiliation(s)
- Jay Mie Kua
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | | | - Mohd Afendy Abdul Talib
- Biotechnology and Nanotechnology Research Centre, Malaysian Agricultural Research and Development Institute (MARDI), Persiaran MARDI-UPM, Serdang, Selangor, Malaysia
| | - Han Yih Lau
- Biotechnology and Nanotechnology Research Centre, Malaysian Agricultural Research and Development Institute (MARDI), Persiaran MARDI-UPM, Serdang, Selangor, Malaysia
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6
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Li S, Chen G, Shi X, Ma C, Liu F. Comparative Study of Heat- and Enzyme-Induced Emulsion Gels Formed by Gelatin and Whey Protein Isolate: Physical Properties and Formation Mechanism. Gels 2022; 8:gels8040212. [PMID: 35448113 PMCID: PMC9027002 DOI: 10.3390/gels8040212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023] Open
Abstract
Emulsion gels have received increasing attention due to their unique physicochemical properties. In this paper, gelatin and whey protein isolate (WPI) were used to construct emulsion-filled gels by heat-induced or enzyme-induced methods, and their rheology, texture properties and microstructure were explored and compared. The effect of the preparation methods, emulsion droplet characteristics and gel matrix concentration on the elastic modulus and hardness of the gels were firstly investigated, then the key control factors were picked out by calculating the Pearson correlation index, and the design principle was constructed by combining these factors flexibly for emulsion gels with adjustable texture. The results show that the emulsion gels formed by different preparation methods have completely distinct microstructures and emulsion distributions, as well as the macroscopic properties of the gels, specifically the enzyme-induced gels exhibited greater elastic modulus and hardness, while heat-induced gels were softer and more delicate. In addition, the droplet sizes of filled emulsions and matrix concentration mainly affected the rheological properties and hardness of the gels. This study successfully established the design principles of emulsion gels with tunable texture structure, which provided a reference for targeted gels preparation according to the texture properties required by specific application scenarios.
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7
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Halal and Kosher gelatin: Applications as well as detection approaches with challenges and prospects. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101422] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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8
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Tasrip NA, Mohd Desa MN, Khairil Mokhtar NF, Sajali N, Mohd Hashim A, Ali ME, Kqueen CY. Rapid porcine detection in gelatin-based highly processed products using loop mediated isothermal amplification. Journal of Food Science and Technology 2021; 58:4504-4513. [PMID: 34629514 DOI: 10.1007/s13197-020-04932-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 11/23/2020] [Accepted: 12/01/2020] [Indexed: 01/14/2023]
Abstract
Low DNA concentration recovered from highly processed products such as gelatin and gelatin-based products renders difficulty in detecting porcine contamination using conventional PCR techniques. We documented here a porcine-specific loop-mediated isothermal amplification (LAMP) to identify porcine traces in gelatin products. The porcine-specific primers were designed according to mitochondrial DNA of Cytochrome b gene sequence. Here we used two different reaction mixtures for LAMP assay (GENIE and MYRM) against the same DNA samples extracted from gelatin products and porcine-specific primers to detect the presence of porcine DNA. The porcine-specific primers were shown to be specific only to Sus scrofa against 14 DNA of other meat species. The analytical sensitivity of the LAMP assay for porcine DNA detection is 1 pg/µL using both GENIE (within 30 m) and MYRM (within 60 m) reaction mixtures. Analysis against 32 samples of gelatin products showed that five samples were found to contain porcine DNA; two samples out of six gelatin powder samples and three gelatin capsule samples out of nine. Out of these five positive samples, three were not labeled containing porcine gelatin. Overall, LAMP assay in this study showed an excellent specificity, sensitivity and rapidity in detection of porcine DNA in gelatin products. Supplementary Information The online version contains supplementary material available at (10.1007/s13197-020-04932-2).
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Affiliation(s)
- Nor Asmara Tasrip
- Halal Products Research Institute, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Mohd Nasir Mohd Desa
- Halal Products Research Institute, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia.,Ministry of Higher Education, Konsortium Institut Halal IPT Malaysia, 62200 Putrajaya, Malaysia.,Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Nur Fadhilah Khairil Mokhtar
- Halal Products Research Institute, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia.,Ministry of Higher Education, Konsortium Institut Halal IPT Malaysia, 62200 Putrajaya, Malaysia
| | - Nurhayatie Sajali
- Halal Products Research Institute, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia.,School of Engineering and Technology, University College of Technology Sarawak, 96000 Sibu, Sarawak Malaysia
| | - Amalia Mohd Hashim
- Ministry of Higher Education, Konsortium Institut Halal IPT Malaysia, 62200 Putrajaya, Malaysia.,Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Md Eaqub Ali
- Modesto City Schools, 426 Locust St., Modesto, CA 95351-2699 USA.,Nanotechnology and Catalysis Research Center, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Cheah Yoke Kqueen
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
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9
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Identification of Edible Gelatin Origins by Data Fusion of NIRS, Fluorescence Spectroscopy, and LIBS. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01893-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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Innovative non-destructive sorting technique for juicy stone fruits: textural properties of fresh mangos and purees. FOOD AND BIOPRODUCTS PROCESSING 2020. [DOI: 10.1016/j.fbp.2020.06.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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11
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Review on analytical methods for analysis of porcine gelatine in food and pharmaceutical products for halal authentication. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.05.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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12
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Safety Assessment of Casting Workshop by Cloud Model and Cause and Effect-LOPA to Protect Employee Health. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17072555. [PMID: 32276454 PMCID: PMC7178204 DOI: 10.3390/ijerph17072555] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 03/26/2020] [Accepted: 04/06/2020] [Indexed: 11/24/2022]
Abstract
Safety assessment of a casting workshop will provide a clearer understanding of the important safety level required for a foundry. The main purpose of this study was to construct a composite safety assessment method to protect employee health using the cloud model and cause and effect–Layer of Protection Analysis (LOPA). In this study, the weights of evaluation indicators were determined using the subjective analytic hierarchy process and objective entropy weight method respectively. Then, to obtain the preference coefficient of the integrated weight more precisely, a new algorithm was proposed based on the least square method. Next, the safety level of the casting workshop was presented based on the qualitative and quantitative analysis of the cloud model, which realized the uncertainty conversion between qualitative concepts and their corresponding quantitative values, as well as taking the fuzziness and randomness into account; the validity of cloud model evaluation was validated by grey relational analysis. In addition, cause and effect was used to proactively identify factors that may lead to accidents. LOPA was used to correlate corresponding safety measures to the identified risk factors. 6 causes and 19 sub-causes that may contribute to accidents were identified, and 18 potential remedies, or independent protection layers (IPLs), were described as ways to protect employee health in foundry operations. A mechanical manufacturing business in Hunan, China was considered as a case study to demonstrate the applicability and benefits of the proposed safety assessment approach.
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Gomes DAS, Alves JPDS, da Silva EGP, Novaes CG, Silva DS, Aguiar RM, Araújo SA, dos Santos ACL, Bezerra MA. Evaluation of metal content in tea samples commercialized in sachets using multivariate data analysis techniques. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104248] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Zhang H, Wang S, Li D, Zhang Y, Hu J, Wang L. Edible Gelatin Diagnosis Using Laser-Induced Breakdown Spectroscopy and Partial Least Square Assisted Support Vector Machine. SENSORS (BASEL, SWITZERLAND) 2019; 19:s19194225. [PMID: 31569410 PMCID: PMC6806298 DOI: 10.3390/s19194225] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 06/10/2023]
Abstract
Edible gelatin has been widely used as a food additive in the food industry, and illegal adulteration with industrial gelatin will cause serious harm to human health. The present work used laser-induced breakdown spectroscopy (LIBS) coupled with the partial least square-support vector machine (PLS-SVM) method for the fast and accurate estimation of edible gelatin adulteration. Gelatin samples with 11 different adulteration ratios were prepared by mixing pure edible gelatin with industrial gelatin, and the LIBS spectra were recorded to analyze their elemental composition differences. The PLS, SVM, and PLS-SVM models were separately built for the prediction of gelatin adulteration ratios, and the hybrid PLS-SVM model yielded a better performance than only the PLS and SVM models. Besides, four different variable selection methods, including competitive adaptive reweighted sampling (CARS), Monte Carlo uninformative variable elimination (MC-UVE), random frog (RF), and principal component analysis (PCA), were adopted to combine with the SVM model for comparative study; the results further demonstrated that the PLS-SVM model was superior to the other SVM models. This study reveals that the hybrid PLS-SVM model, with the advantages of low computational time and high prediction accuracy, can be employed as a preferred method for the accurate estimation of edible gelatin adulteration.
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Affiliation(s)
- Hao Zhang
- College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China.
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, Zhengzhou 450002, China.
| | - Shun Wang
- College of Science, Henan Agricultural University, Zhengzhou 450002, China.
| | - Dongxian Li
- College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China.
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, Zhengzhou 450002, China.
| | - Yanyan Zhang
- College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China.
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, Zhengzhou 450002, China.
| | - Jiandong Hu
- College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China.
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, Zhengzhou 450002, China.
| | - Ling Wang
- College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China.
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15
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Knani S, Mabrouk N, Tounsi M, Ben Yahia M. Statistical modeling of adsorption isotherm of potassium on aza[7]helicene-coated gold electrode attached to quartz crystal microbalance. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1546743] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Salah Knani
- Northern Border University, College of Science, Arar, Saudi Arabia
- Laboratory of Quantum and Statistical Physics, Faculty of Sciences of Monastir, University of Monastir, Tunisia
| | - Nabil Mabrouk
- Northern Border University, College of Science, Arar, Saudi Arabia
- Laboratory of Interfaces and Advanced Materials, Physics Department, Faculty of Sciences of Monastir, Tunisia
| | - Moncef Tounsi
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène, Faculté des Sciences de Monastir, Université de Monastir, Tunisia
| | - Mohamed Ben Yahia
- Laboratory of Quantum and Statistical Physics, Faculty of Sciences of Monastir, University of Monastir, Tunisia
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16
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Hassan N, Ahmad T, Zain NM. Chemical and Chemometric Methods for Halal Authentication of Gelatin: An Overview. J Food Sci 2018; 83:2903-2911. [PMID: 30440088 DOI: 10.1111/1750-3841.14370] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 08/21/2018] [Accepted: 09/13/2018] [Indexed: 11/30/2022]
Abstract
The issue of food authenticity has become a concern among religious adherents, particularly Muslims, due to the possible presence of nonhalal ingredients in foods as well as other commercial products. One of the nonhalal ingredients that commonly found in food and pharmaceutical products is gelatin which extracted from porcine source. Bovine and fish gelatin are also becoming the main commercial sources of gelatin. However, unclear information and labeling regarding the actual sources of gelatin in food and pharmaceutical products have become the main concern in halal authenticity issue since porcine consumption is prohibited for Muslims. Hence, numerous analytical methods involving chemical and chemometric analysis have been developed to identify the sources of gelatin. Chemical analysis techniques such as biochemical, chromatography, electrophoretic, and spectroscopic are usually combined with chemometric and mathematical methods such as principal component analysis, cluster, discriminant, and Fourier transform analysis for the gelatin classification. A sample result from Fourier transform infrared spectroscopy analysis, which combines Fourier transform and spectroscopic technique, is included in this paper. This paper presents an overview of chemical and chemometric methods involved in identification of different types of gelatin, which is important for halal authentication purposes.
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Affiliation(s)
- Nurfarhana Hassan
- Dept. of Mathematical Sciences, Faculty of Science, Univ. Teknologi Malaysia, Johor, 81310 Skudai, Malaysia
| | - Tahir Ahmad
- Dept. of Mathematical Sciences, Faculty of Science, Univ. Teknologi Malaysia, Johor, 81310 Skudai, Malaysia.,Centre for Sustainable Nanomaterials, Ibnu Sina Inst. for Scientific and Industrial Research, Univ. Teknologi Malaysia, Johor, 81310 Skudai, Malaysia
| | - Norhidayu Muhamad Zain
- Centre for Sustainable Nanomaterials, Ibnu Sina Inst. for Scientific and Industrial Research, Univ. Teknologi Malaysia, Johor, 81310 Skudai, Malaysia.,Faculty of Islamic Civilization, Univ. Teknologi Malaysia, Johor, 81310 Skudai, Malaysia
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17
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Hameed AM, Asiyanbi-H T, Idris M, Fadzillah N, Mirghani MES. A Review of Gelatin Source Authentication Methods. Trop Life Sci Res 2018; 29:213-227. [PMID: 30112151 PMCID: PMC6072727 DOI: 10.21315/tlsr2018.29.2.15] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Gelatin is a very popular pharmaceutical and food ingredient and the most studied ingredient in Halal researches. Interest in source gelatin authentication is based on religious and cultural beliefs, food fraud prevention and health issues. Seven gelatin authentication methods that have been developed include: nucleic acid based, immunochemical, electrophoretic analysis, spectroscopic, mass-spectrometric, chromatographic-chemometric and chemisorption methods. These methods are time consuming, and require capital intensive equipment with huge running cost. Reliability of gelatin authentication methods is challenged mostly by transformation of gelatin during processing and close similarities among gelatin structures. This review concisely presents findings and challenges in this research area and suggests needs for more researches on development of rapid authentication method and process-transformed gelatins.
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Affiliation(s)
- Ademola Monsur Hameed
- International Institute for Halal Research and Training, International Islamic University Malaysia, 53100 Gombak, Kuala Lumpur
| | - Tawakalit Asiyanbi-H
- Plant Science Department, North Dakota State University, Fargo, North Dakota, United States
| | - Munirat Idris
- International Institute for Halal Research and Training, International Islamic University Malaysia, 53100 Gombak, Kuala Lumpur
| | - Nurrulhidayah Fadzillah
- International Institute for Halal Research and Training, International Islamic University Malaysia, 53100 Gombak, Kuala Lumpur
| | - Mohamed Elwathig S Mirghani
- International Institute for Halal Research and Training, International Islamic University Malaysia, 53100 Gombak, Kuala Lumpur
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18
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Jannat B, Ghorbani K, Shafieyan H, Kouchaki S, Behfar A, Sadeghi N, Beyramysoltan S, Rabbani F, Dashtifard S, Sadeghi M. Gelatin speciation using real-time PCR and analysis of mass spectrometry-based proteomics datasets. Food Control 2018. [DOI: 10.1016/j.foodcont.2017.12.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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19
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Antibacterial and Barrier Properties of Gelatin Coated by Electrospun Polycaprolactone Ultrathin Fibers Containing Black Pepper Oleoresin of Interest in Active Food Biopackaging Applications. NANOMATERIALS 2018; 8:nano8040199. [PMID: 29597268 PMCID: PMC5923529 DOI: 10.3390/nano8040199] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/22/2018] [Accepted: 03/26/2018] [Indexed: 12/26/2022]
Abstract
The present study evaluated the effect of using electrospun polycaprolactone (PCL) as a barrier coating and black pepper oleoresin (OR) as a natural extract on the morphology, thermal, mechanical, antimicrobial, oxygen, and water vapor barrier properties of solvent cast gelatin (GEL). The antimicrobial activity of the developed multilayer system obtained by the so-called electrospinning coating technique was also evaluated against Staphylococcus aureus strains for 10 days. The results showed that the multilayer system containing PCL and OR increased the thermal resistance, elongated the GEL film, and significantly diminished its permeance to water vapor. Active multilayer systems stored in hermetically closed bottles increased their antimicrobial activity after 10 days by inhibiting the growth of Staphylococcus aureus. This study demonstrates that addition of electrospun PCL ultrathin fibers and OR improved the properties of GEL films, which promoted its potential use in active food packaging applications.
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20
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Xu Q, Xu K. Mine safety assessment using gray relational analysis and bow tie model. PLoS One 2018; 13:e0193576. [PMID: 29561875 PMCID: PMC5862416 DOI: 10.1371/journal.pone.0193576] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 02/14/2018] [Indexed: 11/18/2022] Open
Abstract
Mine safety assessment is a precondition for ensuring orderly and safety in production. The main purpose of this study was to prevent mine accidents more effectively by proposing a composite risk analysis model. First, the weights of the assessment indicators were determined by the revised integrated weight method, in which the objective weights were determined by a variation coefficient method and the subjective weights determined by the Delphi method. A new formula was then adopted to calculate the integrated weights based on the subjective and objective weights. Second, after the assessment indicator weights were determined, gray relational analysis was used to evaluate the safety of mine enterprises. Mine enterprise safety was ranked according to the gray relational degree, and weak links of mine safety practices identified based on gray relational analysis. Third, to validate the revised integrated weight method adopted in the process of gray relational analysis, the fuzzy evaluation method was used to the safety assessment of mine enterprises. Fourth, for first time, bow tie model was adopted to identify the causes and consequences of weak links and allow corresponding safety measures to be taken to guarantee the mine's safe production. A case study of mine safety assessment was presented to demonstrate the effectiveness and rationality of the proposed composite risk analysis model, which can be applied to other related industries for safety evaluation.
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Affiliation(s)
- Qingwei Xu
- School of Resources and Civil Engineering, Northeastern University, Shenyang, China
| | - Kaili Xu
- School of Resources and Civil Engineering, Northeastern University, Shenyang, China
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21
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Effect of Orally Administered Collagen Peptides from Bovine Bone on Skin Aging in Chronologically Aged Mice. Nutrients 2017; 9:nu9111209. [PMID: 29099747 PMCID: PMC5707681 DOI: 10.3390/nu9111209] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 10/29/2017] [Accepted: 10/31/2017] [Indexed: 11/30/2022] Open
Abstract
Collagen peptides (CPs) have demonstrated to exert beneficial effects on skin photoaging. However, little has been done to evaluate their effects on chronologically aged skin. Here, the effects of CPs from bovine bone on skin aging were investigated in chronologically aged mice. 13-month-old female Kunming mice were administered with CPs from bovine bone (200, 400 and 800 mg/kg body weight/day) or proline (400 mg/kg body weight/day) for 8 weeks. Mice body weight, spleen index (SI) and thymus index (TI), degree of skin laxity (DSL), skin components, skin histology and antioxidant indicators were analyzed. Ingestion of CPs or proline had no effect on mice skin moisture and hyaluronic acid content, but it significantly improved the skin laxity, repaired collagen fibers, increased collagen content and normalized the ratio of type I to type III collagen in chronologically aged skin. CPs prepared by Alcalase performed better than CPs prepared by collagenase. Furthermore, CPs intake also significantly improved the antioxidative enzyme activities in skin. These results indicate that oral administration of CPs from bovine bone or proline can improve the laxity of chronologically aged skin by changing skin collagen quantitatively and qualitatively, and highlight their potential application as functional foods to combat skin aging in chronologically aged process.
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22
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Chemical fingerprint and quantitative analysis of flavonoids for quality control of Sea buckthorn leaves by HPLC and UHPLC-ESI-QTOF-MS. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.08.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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23
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Ali E, Sultana S, Hamid SBA, Hossain M, Yehya WA, Kader A, Bhargava SK. Gelatin controversies in food, pharmaceuticals, and personal care products: Authentication methods, current status, and future challenges. Crit Rev Food Sci Nutr 2017; 58:1495-1511. [PMID: 28033035 DOI: 10.1080/10408398.2016.1264361] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Gelatin is a highly purified animal protein of pig, cow, and fish origins and is extensively used in food, pharmaceuticals, and personal care products. However, the acceptability of gelatin products greatly depends on the animal sources of the gelatin. Porcine and bovine gelatins have attractive features but limited acceptance because of religious prohibitions and potential zoonotic threats, whereas fish gelatin is welcomed in all religions and cultures. Thus, source authentication is a must for gelatin products but it is greatly challenging due to the breakdown of both protein and DNA biomarkers in processed gelatins. Therefore, several methods have been proposed for gelatin identification, but a comprehensive and systematic document that includes all of the techniques does not exist. This up-to-date review addresses this research gap and presents, in an accessible format, the major gelatin source authentication techniques, which are primarily nucleic acid and protein based. Instead of presenting these methods in paragraph form which needs much attention in reading, the major methods are schematically depicted, and their comparative features are tabulated. Future technologies are forecasted, and challenges are outlined. Overall, this review paper has the merit to serve as a reference guide for the production and application of gelatin in academia and industry and will act as a platform for the development of improved methods for gelatin authentication.
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Affiliation(s)
- Eaqub Ali
- a Nanotechnology and Catalysis Research Centre (NANOCAT) , University of Malaya , Kuala Lumpur , Malaysia.,b Centre for Research in Biotechnology for Agriculture (CEBAR) , University of Malaya , Kuala Lumpur , Malaysia
| | - Sharmin Sultana
- a Nanotechnology and Catalysis Research Centre (NANOCAT) , University of Malaya , Kuala Lumpur , Malaysia
| | - Sharifah Bee Abd Hamid
- a Nanotechnology and Catalysis Research Centre (NANOCAT) , University of Malaya , Kuala Lumpur , Malaysia
| | - Motalib Hossain
- a Nanotechnology and Catalysis Research Centre (NANOCAT) , University of Malaya , Kuala Lumpur , Malaysia
| | - Wageeh A Yehya
- a Nanotechnology and Catalysis Research Centre (NANOCAT) , University of Malaya , Kuala Lumpur , Malaysia
| | - Abdul Kader
- c School of Aquaculture and Fisheries , University of Malaysia Terrenganu , Kuala Terrenganu , Terrenganu , Malaysia
| | - Suresh K Bhargava
- d College of Science, Engineering and Health , RMIT University , Melbourne , VIC , Australia
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24
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Shi W, Tan Y, Wang S, Gardiner DM, De Saeger S, Liao Y, Wang C, Fan Y, Wang Z, Wu A. Mycotoxigenic Potentials of Fusarium Species in Various Culture Matrices Revealed by Mycotoxin Profiling. Toxins (Basel) 2016; 9:E6. [PMID: 28035973 PMCID: PMC5308239 DOI: 10.3390/toxins9010006] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 12/19/2016] [Accepted: 12/21/2016] [Indexed: 11/16/2022] Open
Abstract
In this study, twenty of the most common Fusarium species were molecularly characterized and inoculated on potato dextrose agar (PDA), rice and maize medium, where thirty three targeted mycotoxins, which might be the secondary metabolites of the identified fungal species, were detected by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Statistical analysis was performed with principal component analysis (PCA) to characterize the mycotoxin profiles for the twenty fungi, suggesting that these fungi species could be discriminated and divided into three groups as follows. Group I, the fusaric acid producers, were defined into two subgroups, namely subgroup I as producers of fusaric acid and fumonisins, comprising of F. proliferatum, F. verticillioides, F. fujikuroi and F. solani, and subgroup II considered to only produce fusaric acid, including F. temperatum, F. subglutinans, F. musae, F. tricinctum, F. oxysporum, F. equiseti, F. sacchari, F. concentricum, F. andiyazi. Group II, as type A trichothecenes producers, included F. langsethiae, F. sporotrichioides, F. polyphialidicum, while Group III were found to mainly produce type B trichothecenes, comprising of F. culmorum, F. poae, F. meridionale and F. graminearum. A comprehensive picture, which presents the mycotoxin-producing patterns by the selected fungal species in various matrices, is obtained for the first time, and thus from an application point of view, provides key information to explore mycotoxigenic potentials of Fusarium species and forecast the Fusarium infestation/mycotoxins contamination.
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Affiliation(s)
- Wen Shi
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Yanglan Tan
- SIBS-UGENT-SJTU Joint Laboratory of Mycotoxin Research, Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 294 Taiyuan Road, Shanghai 200031, China.
| | - Shuangxia Wang
- SIBS-UGENT-SJTU Joint Laboratory of Mycotoxin Research, Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 294 Taiyuan Road, Shanghai 200031, China.
| | - Donald M Gardiner
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), 306 Carmody Road, St Lucia QLD 4067, Australia.
| | - Sarah De Saeger
- Laboratory of Food Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, Gent 9000, Belgium.
| | - Yucai Liao
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430000, China.
| | - Cheng Wang
- Institute of Quality Standards & Testing Technology for Agro-Products, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Urumqi), Ministry of Agriculture, Xinjiang Academy of Agricultural Sciences, 403 Nanchang Road, Urumqi 830091, China.
| | - Yingying Fan
- Institute of Quality Standards & Testing Technology for Agro-Products, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Urumqi), Ministry of Agriculture, Xinjiang Academy of Agricultural Sciences, 403 Nanchang Road, Urumqi 830091, China.
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Aibo Wu
- SIBS-UGENT-SJTU Joint Laboratory of Mycotoxin Research, Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 294 Taiyuan Road, Shanghai 200031, China.
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25
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Karami A, Karbalaei S, Zad Bagher F, Ismail A, Simpson SL, Courtenay SC. Alterations in juvenile diploid and triploid African catfish skin gelatin yield and amino acid composition: Effects of chlorpyrifos and butachlor exposures. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 215:170-177. [PMID: 27182978 DOI: 10.1016/j.envpol.2016.05.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Revised: 05/08/2016] [Accepted: 05/08/2016] [Indexed: 06/05/2023]
Abstract
Skin is a major by-product of the fisheries and aquaculture industries and is a valuable source of gelatin. This study examined the effect of triploidization on gelatin yield and proximate composition of the skin of African catfish (Clarias gariepinus). We further investigated the effects of two commonly used pesticides, chlorpyrifos (CPF) and butachlor (BUC), on the skin gelatin yield and amino acid composition in juvenile full-sibling diploid and triploid African catfish. In two separate experiments, diploid and triploid C. gariepinus were exposed for 21 days to graded CPF [mean measured: 10, 16, or 31 μg/L] or BUC concentrations [Mean measured: 22, 44, or 60 μg/L]. No differences in skin gelatin yield, amino acid or proximate compositions were observed between diploid and triploid control groups. None of the pesticide treatments affected the measured parameters in diploid fish. In triploids, however, gelatin yield was affected by CPF treatments while amino acid composition remained unchanged. Butachlor treatments did not alter any of the measured variables in triploid fish. To our knowledge, this study is the first to investigate changes in the skin gelatin yield and amino acid composition in any animal as a response to polyploidization and/or contaminant exposure.
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Affiliation(s)
- Ali Karami
- Laboratory of Aquatic Toxicology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Selangor, Malaysia.
| | - Samaneh Karbalaei
- Laboratory of Aquatic Toxicology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Selangor, Malaysia
| | - Fariba Zad Bagher
- Laboratory of Aquatic Toxicology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Selangor, Malaysia
| | - Amin Ismail
- Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Selangor, Malaysia
| | - Stuart L Simpson
- Centre for Environmental Contaminants Research, CSIRO Land and Water, Locked Bag 2007, Kirrawee, NSW, 2234, Australia
| | - Simon C Courtenay
- School of Environment, Resources and Sustainability, Canadian Water Network, Canadian Rivers Institute, University of Waterloo, Canada
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26
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Simultaneous identification and verification of gelatin type in capsule shells by electrophoresis and polymerase chain reaction. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2016. [DOI: 10.1007/s40005-016-0245-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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27
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Determination of porcine gelatin in edible bird's nest by competitive indirect ELISA based on anti-peptide polyclonal antibody. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.06.039] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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28
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Tukiran NA, Ismail A, Mustafa S, Hamid M. Development of antipeptide enzyme-linked immunosorbent assay for determination of gelatin in confectionery products. Int J Food Sci Technol 2015. [DOI: 10.1111/ijfs.12971] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nur Azira Tukiran
- Laboratory of Halal Science Research; Halal Products Research Institute; Universiti Putra Malaysia (UPM); 43400 Serdang Selangor Malaysia
- International Institute for Halal Research and Training (INHART); International Islamic University Malaysia (IIUM); P.O. Box 10 50728 Kuala Lumpur Malaysia
| | - Amin Ismail
- Laboratory of Halal Science Research; Halal Products Research Institute; Universiti Putra Malaysia (UPM); 43400 Serdang Selangor Malaysia
- Department of Nutrition and Dietetics; Faculty of Medicine and Health Sciences; Universiti Putra Malaysia (UPM); 43400 Serdang Selangor Malaysia
| | - Shuhaimi Mustafa
- Laboratory of Halal Science Research; Halal Products Research Institute; Universiti Putra Malaysia (UPM); 43400 Serdang Selangor Malaysia
- Department of Microbiology; Faculty of Biotechnology and Biomolecular Sciences; Universiti Putra Malaysia (UPM); 43400 Serdang Selangor Malaysia
| | - Muhajir Hamid
- Department of Microbiology; Faculty of Biotechnology and Biomolecular Sciences; Universiti Putra Malaysia (UPM); 43400 Serdang Selangor Malaysia
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29
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Tukiran NA, Ismail A, Mustafa S, Hamid M. Enzyme immunoassay for the detection of porcine gelatine in edible bird's nests. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2015; 32:1023-8. [PMID: 25861981 DOI: 10.1080/19440049.2015.1039605] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Porcine gelatine is a common adulterant found in edible bird's nests (EBNs) used to increase the net weight prior to sale. This study aimed to develop indirect enzyme-linked immunosorbent assays (ELISAs) for porcine gelatine adulteration using anti-peptide polyclonal antibodies. Three indirect ELISAs were developed (PAB1, 2 and 3), which had limits of detection (LODs) of 0.12, 0.10 and 0.11 µg g(-1), respectively. When applied to standard solutions of porcine gelatine, the inter- and intra-assays showed coefficients of variation (CVs) less than 20% and were able to detect at least 0.5 ng µg(-1) (0.05%) porcine gelatine in spiked samples. The proposed ELISA offers attractions for quality control in the EBN industry.
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Affiliation(s)
- Nur Azira Tukiran
- a Laboratory of Halal Science Research, Halal Products Research Institute , Universiti Putra Malaysia , UPM Serdang , Malaysia
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30
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Sinthusamran S, Benjakul S, Kishimura H. Molecular characteristics and properties of gelatin from skin of seabass with different sizes. Int J Biol Macromol 2014; 73:146-53. [PMID: 25475845 DOI: 10.1016/j.ijbiomac.2014.11.024] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 10/31/2014] [Accepted: 11/01/2014] [Indexed: 01/14/2023]
Abstract
Gelatin was extracted from the skin of seabass (Lates calcarifer) with different average sizes (2, 4 and 6 kg/fish), termed G2, G4 and G6, respectively and their characteristics and functional properties were determined. Yields of G2, G4 and G6 were 38.22, 40.50 and 43.48% (based on dry weight), respectively. G2 contained α-chains as dominant component, whilst G4 and G6 comprised α-, β- and γ-chains with a larger content of high MW cross-links. All gelatins had the similar imino acid (hydroxyproline and proline) content. Net charge of G2, G4 and G6 became zero at pH of 6.73, 6.41 and 7.12, respectively. Amongst all gelatin samples, G6 exhibited the highest gel strength (321.5 g) (p<0.05), but had the lowest turbidity (p<0.05). Gels of G6 sample had the lower L*-value but higher a*-, b*- and ΔE*-value, compared with others. Gelling and melting temperatures of all gelatins were 17.09-19.01 and 26.92-28.85 °C, respectively. Furthermore, all gelatins were able to set at room temperature, regardless of size of seabass used. G6 had the shorter setting time at room temperature than others. Therefore, size of seabass, in which skin was used for gelatin extraction, had the impact on yield, composition and properties of resulting gelatin.
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Affiliation(s)
- Sittichoke Sinthusamran
- Department of Food Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Soottawat Benjakul
- Department of Food Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand.
| | - Hideki Kishimura
- Laboratory of Marine Products and Food Science, Research Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido 041-8611, Japan
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31
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Azilawati MI, Hashim DM, Jamilah B, Amin I. RP-HPLC method using 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate incorporated with normalization technique in principal component analysis to differentiate the bovine, porcine and fish gelatins. Food Chem 2014; 172:368-76. [PMID: 25442566 DOI: 10.1016/j.foodchem.2014.09.093] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 07/22/2014] [Accepted: 09/10/2014] [Indexed: 11/28/2022]
Abstract
The amino acid compositions of bovine, porcine and fish gelatin were determined by amino acid analysis using 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate as derivatization reagent. Sixteen amino acids were identified with similar spectral chromatograms. Data pre-treatment via centering and transformation of data by normalization were performed to provide data that are more suitable for analysis and easier to be interpreted. Principal component analysis (PCA) transformed the original data matrix into a number of principal components (PCs). Three principal components (PCs) described 96.5% of the total variance, and 2 PCs (91%) explained the highest variances. The PCA model demonstrated the relationships among amino acids in the correlation loadings plot to the group of gelatins in the scores plot. Fish gelatin was correlated to threonine, serine and methionine on the positive side of PC1; bovine gelatin was correlated to the non-polar side chains amino acids that were proline, hydroxyproline, leucine, isoleucine and valine on the negative side of PC1 and porcine gelatin was correlated to the polar side chains amino acids that were aspartate, glutamic acid, lysine and tyrosine on the negative side of PC2. Verification on the database using 12 samples from commercial products gelatin-based had confirmed the grouping patterns and the variables correlations. Therefore, this quantitative method is very useful as a screening method to determine gelatin from various sources.
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Affiliation(s)
- M I Azilawati
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - D M Hashim
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - B Jamilah
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - I Amin
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia; Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
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