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Mara A, Migliorini M, Ciulu M, Chignola R, Egido C, Núñez O, Sentellas S, Saurina J, Caredda M, Deroma MA, Deidda S, Langasco I, Pilo MI, Spano N, Sanna G. Elemental Fingerprinting Combined with Machine Learning Techniques as a Powerful Tool for Geographical Discrimination of Honeys from Nearby Regions. Foods 2024; 13:243. [PMID: 38254544 PMCID: PMC10814624 DOI: 10.3390/foods13020243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Discrimination of honey based on geographical origin is a common fraudulent practice and is one of the most investigated topics in honey authentication. This research aims to discriminate honeys according to their geographical origin by combining elemental fingerprinting with machine-learning techniques. In particular, the main objective of this study is to distinguish the origin of unifloral and multifloral honeys produced in neighboring regions, such as Sardinia (Italy) and Spain. The elemental compositions of 247 honeys were determined using Inductively Coupled Plasma Mass Spectrometry (ICP-MS). The origins of honey were differentiated using Principal Component Analysis (PCA), Linear Discriminant Analysis (LDA), and Random Forest (RF). Compared to LDA, RF demonstrated greater stability and better classification performance. The best classification was based on geographical origin, achieving 90% accuracy using Na, Mg, Mn, Sr, Zn, Ce, Nd, Eu, and Tb as predictors.
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Affiliation(s)
- Andrea Mara
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (A.M.); (S.D.); (I.L.); (M.I.P.); (N.S.)
| | - Matteo Migliorini
- Department of Biotechnology, University of Verona, Strada le Grazie 15, 37134 Verona, Italy; (M.M.); (M.C.); (R.C.)
| | - Marco Ciulu
- Department of Biotechnology, University of Verona, Strada le Grazie 15, 37134 Verona, Italy; (M.M.); (M.C.); (R.C.)
| | - Roberto Chignola
- Department of Biotechnology, University of Verona, Strada le Grazie 15, 37134 Verona, Italy; (M.M.); (M.C.); (R.C.)
| | - Carla Egido
- Department of Chemical Engineering and Analytical Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (C.E.); (O.N.); (S.S.); (J.S.)
| | - Oscar Núñez
- Department of Chemical Engineering and Analytical Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (C.E.); (O.N.); (S.S.); (J.S.)
- Research Institute in Food Nutrition and Food Safety, University of Barcelona, Recinte Torribera, Av. Prat de la Riba 171, Edifici de Recerca (Gaudí), Santa Coloma de Gramenet, 08921 Barcelona, Spain
- Serra Húnter Fellow, Departament de Recerca i Universitats, Generalitat de Catalunya, Via Laietana 2, 08003 Barcelona, Spain
| | - Sònia Sentellas
- Department of Chemical Engineering and Analytical Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (C.E.); (O.N.); (S.S.); (J.S.)
- Research Institute in Food Nutrition and Food Safety, University of Barcelona, Recinte Torribera, Av. Prat de la Riba 171, Edifici de Recerca (Gaudí), Santa Coloma de Gramenet, 08921 Barcelona, Spain
- Serra Húnter Fellow, Departament de Recerca i Universitats, Generalitat de Catalunya, Via Laietana 2, 08003 Barcelona, Spain
| | - Javier Saurina
- Department of Chemical Engineering and Analytical Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (C.E.); (O.N.); (S.S.); (J.S.)
- Research Institute in Food Nutrition and Food Safety, University of Barcelona, Recinte Torribera, Av. Prat de la Riba 171, Edifici de Recerca (Gaudí), Santa Coloma de Gramenet, 08921 Barcelona, Spain
| | - Marco Caredda
- Department of Animal Science, AGRIS Sardegna, Loc. Bonassai, 07100 Sassari, Italy;
| | - Mario A. Deroma
- Department of Agriculture, University of Sassari, Viale Italia, 39A, 07100 Sassari, Italy;
| | - Sara Deidda
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (A.M.); (S.D.); (I.L.); (M.I.P.); (N.S.)
| | - Ilaria Langasco
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (A.M.); (S.D.); (I.L.); (M.I.P.); (N.S.)
| | - Maria I. Pilo
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (A.M.); (S.D.); (I.L.); (M.I.P.); (N.S.)
| | - Nadia Spano
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (A.M.); (S.D.); (I.L.); (M.I.P.); (N.S.)
| | - Gavino Sanna
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy; (A.M.); (S.D.); (I.L.); (M.I.P.); (N.S.)
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Mohan B, Noushija MK, Shanmugaraju S. Amino-1,8-naphthalimide-based fluorescent chemosensors for Zn(II) ion. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Smith KE, Weis D. Metal and Pb isotope characterization of particulates encountered by foraging honeybees in Metro Vancouver. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 826:154181. [PMID: 35231520 DOI: 10.1016/j.scitotenv.2022.154181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
Honeybees and their products are useful biomonitors of metal distribution in urban centres. This study investigates particulate sources that foraging honeybees encounter in Metro Vancouver. Metal concentrations and lead (Pb) isotope compositions were measured in topsoil (top 2 cm, n = 14) colocated with existing research hives and in particulate matter ≤10 μm (PM10, n = 27) collected throughout Metro Vancouver (British Columbia, Canada) during honeybee foraging hours over the course of one year (2018-2019). Topsoil served as a proxy for resuspended/coarse PM and, together with PM10, covered the size range of particulates collected by foraging bees both actively (pollen) and passively (dusts). Particulate matter ≤ 2.5 μm (PM2.5, n = 7) was collected on Whistler Mountain during two transpacific events (in spring 2014) to estimate the possible effect of transpacific particulate input on the Pb isotope composition of Western Canada aerosols. Metal concentrations and Pb isotopes in topsoil and PM from this study and bees and hive products from previous studies (collected in 2014-2019) reveal similar spatial trends: there were elevated amounts of some metals associated with anthropogenic activity (e.g., Pb, Zn, Sb) and less radiogenic Pb isotope compositions in most samples collected nearer to the city centre in comparison to samples collected in more suburban or rural areas. Bees and hive products have a smoothing effect on the spatiotemporal variability of the data; metal concentrations and Pb isotope compositions vary less in hive products than in PM, presumably because bees interact with multiple environmental domains while foraging. Wildfire smoke and transpacific input are phenomena that cause measurable shifts in Pb isotope compositions of PM, but not in hive matrices. The findings highlight important considerations to make (i.e., the smoothing effect) when linking public health data and decisions with environmental data from hive products in urban centres.
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Affiliation(s)
- Kate E Smith
- Pacific Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020-2207 Main Mall Vancouver, BC V6T 1Z4, Canada.
| | - Dominique Weis
- Pacific Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020-2207 Main Mall Vancouver, BC V6T 1Z4, Canada
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Multi-Elemental Analysis as a Tool to Ascertain the Safety and the Origin of Beehive Products: Development, Validation, and Application of an ICP-MS Method on Four Unifloral Honeys Produced in Sardinia, Italy. Molecules 2022; 27:molecules27062009. [PMID: 35335374 PMCID: PMC8950479 DOI: 10.3390/molecules27062009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 12/27/2022] Open
Abstract
Despite unifloral honeys from Sardinia, Italy, being appreciated worldwide for their peculiar organoleptic features, their elemental signature has only partly been investigated. Hence, the principal aim of this study was to measure the concentration of trace and toxic elements (i.e., Ag, As, Ba, Be, Bi, Cd, Co, Cr, Cu, Fe, Hg, Li, Mn, Mo, Ni, Pb, Sb, Sn, Sr, Te, Tl, V, and Zn) in four unifloral honeys produced in Sardinia. For this purpose, an original ICP-MS method was developed, fully validated, and applied on unifloral honeys from asphodel, eucalyptus, strawberry tree, and thistle. Particular attention was paid to the method’s development: factorial design was applied for the optimization of the acid microwave digestion, whereas the instrumental parameters were tuned to minimize the polyatomic interferences. Most of the analytes’ concentration ranged between the relevant LoDs and few mg kg−1, while toxic elements were present in negligible amounts. The elemental signatures of asphodel and thistle honeys were measured for the first time, whereas those of eucalyptus and strawberry tree honeys suggested a geographical differentiation if compared with the literature. Chemometric analysis allowed for the botanical discrimination of honeys through their elemental signature, whereas linear discriminant analysis provided an accuracy level of 87.1%.
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Sajtos Z, Varga T, Gajdos Z, Burik P, Csontos M, Lisztes-Szabó Z, Jull AJT, Molnár M, Baranyai E. Rape, sunflower and forest honeys for long-term environmental monitoring: Presence of indicator elements and non-photosynthetic carbon in old Hungarian samples. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 808:152044. [PMID: 34856271 DOI: 10.1016/j.scitotenv.2021.152044] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
In this paper, we present the time-dependent elemental composition and AMS radiocarbon dating results of 36 rape, sunflower and forest honey samples, collected between 1985 and 2018 in geographically close locations. Based on the elemental information, we conclude that bee products regardless the type provide useful environmental information of the previous decades, such as the decreasing trend of airborne Pb emission can be traced. However, radiocarbon results agree less with the atmospheric bomb peak. Random offsets were observed in the specific radiocarbon activity of the honey samples indicating that rape, sunflower and forest honey samples are not as reliable materials for radiocarbon dating as acacia honeys. The radiocarbon results show that the rape, sunflower and forest honey samples can contain non-photosynthetic carbon, presumably derived from the soil. Thus, the complex application of honey samples for environmental reconstruction requires the species-separated investigation of bee products to reveal their adaptability for assessment approaches.
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Affiliation(s)
- Zsófi Sajtos
- Atomic Spectroscopy Partner Laboratory, Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, H-4032 Debrecen, Hungary; University of Debrecen, Doctoral School of Chemistry, Debrecen, Hungary
| | - Tamás Varga
- Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, Eötvös Loránd Research Network (ELKH), Debrecen H-4001, P.O Box 51, Hungary; University of Debrecen, Doctoral School of Physics, Debrecen, Hungary.
| | - Zita Gajdos
- Atomic Spectroscopy Partner Laboratory, Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, H-4032 Debrecen, Hungary
| | - Petra Burik
- Atomic Spectroscopy Partner Laboratory, Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, H-4032 Debrecen, Hungary
| | - Máté Csontos
- University of Debrecen, Doctoral School of Chemistry, Debrecen, Hungary; Department of Physical Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, H-4032 Debrecen, Hungary
| | - Zsuzsa Lisztes-Szabó
- Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, Eötvös Loránd Research Network (ELKH), Debrecen H-4001, P.O Box 51, Hungary
| | - A J Timothy Jull
- Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, Eötvös Loránd Research Network (ELKH), Debrecen H-4001, P.O Box 51, Hungary; Department of Geosciences, University of Arizona, Tucson, AZ 85721, USA; University of Arizona, AMS Laboratory, Tucson, AZ 85721, USA
| | - Mihály Molnár
- Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, Eötvös Loránd Research Network (ELKH), Debrecen H-4001, P.O Box 51, Hungary
| | - Edina Baranyai
- Atomic Spectroscopy Partner Laboratory, Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, H-4032 Debrecen, Hungary.
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6
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Zhu H, Liu C, Su M, Rong X, Zhang Y, Wang X, Wang K, Li X, Yu Y, Zhang X, Zhu B. Recent advances in 4-hydroxy-1,8-naphthalimide-based small-molecule fluorescent probes. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214153] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Smith KE, Weis D, Scott SR, Berg CJ, Segal Y, Claeys P. Regional and global perspectives of honey as a record of lead in the environment. ENVIRONMENTAL RESEARCH 2021; 195:110800. [PMID: 33529648 DOI: 10.1016/j.envres.2021.110800] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/07/2021] [Accepted: 01/22/2021] [Indexed: 06/12/2023]
Abstract
Honey from Apis mellifera is a useful and inexpensive biomonitor for mapping metal distributions in urban centers. The sampling resolution of a biomonitoring survey (e.g., city versus global scale) determines which geochemical processes are reflected in the results. This study presents Pb isotopic compositions and metal concentrations in honey from around the world, sampled at varying resolutions: honey from Canada (n = 21), the United States (n = 111), Belgium (n = 25), and New Zealand (n = 10), with additional samples from Afghanistan, Brazil, Cuba, Germany, Liberia, Taiwan, and Turkey. Honey was sampled at high resolution in two uniquely different land-use settings (New York Metro Area and the Hawaiian island of Kaua'i), at regional-scale resolution in eastern North America (including the Great Lakes region), and Pb isotopic compositions of all samples were compared on a global scale. At high sampling resolution, metal concentrations in honey reveal spatially significant concentration gradients: in New York City, metals associated with human activity and city infrastructure (e.g., Pb, Sb, Ti, V) are more concentrated in honey collected within the city compared to honey from upstate New York, and metal concentrations in honey from Kaua'i suggest polluting effects of nearby agricultural operations. At lower resolution (regional and global scales), lead isotopic compositions of honey are more useful than metal concentrations in revealing large-scale Pb processes (e.g., the enduring legacy of global leaded gasoline use throughout the twentieth century) and the continental origin of the honey. Lead isotopic compositions of honey collected from N. America (especially from the eastern USA) are more radiogenic (206Pb/207Pb: 1.132-1.253, 208Pb/206Pb: 2.001-2.129) compared to European honey, and honey from New Zealand, which has the least radiogenic isotopic compositions measured in this study (206Pb/207Pb: 1.077-1.160, 208Pb/206Pb: 2.090-2.187). Thus, biomonitoring using honey at different resolutions reflects differing processes and, to some extent, a honey terroir defined by the Pb isotopic composition. The data presented here provide important (and current) global context for future studies that utilize Pb isotopes in honey. Moreover, this study exhibits community science in action, as most of the honey was collected by collaborators around the world, working directly with local apiarists and hobby beekeepers.
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Affiliation(s)
- Kate E Smith
- Pacific Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020-2207 Main Mall, Vancouver, BC, V6T 1Z4, Canada.
| | - Dominique Weis
- Pacific Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020-2207 Main Mall, Vancouver, BC, V6T 1Z4, Canada
| | - Sean R Scott
- Wisconsin State Laboratory of Hygiene, University of Wisconsin-Madison, Madison, WI, USA
| | | | - Yaffa Segal
- New Rochelle High School, New Rochelle, NY, USA
| | - Philippe Claeys
- Analytical, Environmental and Geochemistry, Vrije Universiteit Brussel, Brussels, Belgium
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Tsagkaris AS, Koulis GA, Danezis GP, Martakos I, Dasenaki M, Georgiou CA, Thomaidis NS. Honey authenticity: analytical techniques, state of the art and challenges. RSC Adv 2021; 11:11273-11294. [PMID: 35423655 PMCID: PMC8695996 DOI: 10.1039/d1ra00069a] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 02/23/2021] [Indexed: 12/11/2022] Open
Abstract
Honey is a high-value, globally consumed, food product featuring a high market price strictly related to its origin. Moreover, honey origin has to be clearly stated on the label, and quality schemes are prescribed based on its geographical and botanical origin. Therefore, to enhance food quality, it is of utmost importance to develop analytical methods able to accurately and precisely discriminate honey origin. In this study, an all-time scientometric evaluation of the field is provided for the first time using a structured keyword on the Scopus database. The bibliometric analysis pinpoints that the botanical origin discrimination was the most studied authenticity issue, and chromatographic methods were the most frequently used for its assessment. Based on these results, we comprehensively reviewed analytical techniques that have been used in honey authenticity studies. Analytical breakthroughs and bottlenecks on methodologies to assess honey quality parameters using separation, bioanalytical, spectroscopic, elemental and isotopic techniques are presented. Emphasis is given to authenticity markers, and the necessity to apply chemometric tools to reveal them. Altogether, honey authenticity is an ever-growing field, and more advances are expected that will further secure honey quality.
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Affiliation(s)
- Aristeidis S Tsagkaris
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Panepistimiopolis Zographou 15771 Athens Greece http://trams.chem.uoa.gr/ +30 210 7274750 +30 210 7274317
- Department of Food Analysis and Nutrition, Faculty of Food and Biochemical Technology, University of Chemistry and Technology Prague Technická 5, 166 28 Prague 6 - Dejvice Prague Czech Republic
| | - Georgios A Koulis
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Panepistimiopolis Zographou 15771 Athens Greece http://trams.chem.uoa.gr/ +30 210 7274750 +30 210 7274317
| | - Georgios P Danezis
- Chemistry Laboratory, Department of Food Science and Human Nutrition, Agricultural University of Athens 75 Iera Odos 118 55 Athens Greece
| | - Ioannis Martakos
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Panepistimiopolis Zographou 15771 Athens Greece http://trams.chem.uoa.gr/ +30 210 7274750 +30 210 7274317
| | - Marilena Dasenaki
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Panepistimiopolis Zographou 15771 Athens Greece http://trams.chem.uoa.gr/ +30 210 7274750 +30 210 7274317
| | - Constantinos A Georgiou
- Chemistry Laboratory, Department of Food Science and Human Nutrition, Agricultural University of Athens 75 Iera Odos 118 55 Athens Greece
| | - Nikolaos S Thomaidis
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Panepistimiopolis Zographou 15771 Athens Greece http://trams.chem.uoa.gr/ +30 210 7274750 +30 210 7274317
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Elemental profiling by ICP-MS as a tool for geographical discrimination: The case of bracatinga honeydew honey. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2020.103727] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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10
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Liu T, Ming K, Wang W, Qiao N, Qiu S, Yi S, Huang X, Luo L. Discrimination of honey and syrup-based adulteration by mineral element chemometrics profiling. Food Chem 2020; 343:128455. [PMID: 33129616 DOI: 10.1016/j.foodchem.2020.128455] [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: 02/17/2020] [Revised: 10/12/2020] [Accepted: 10/19/2020] [Indexed: 01/17/2023]
Abstract
Mineral elements are important constituents in honey, which play vital roles in determining the quality and authenticity. The present work aims to systematically estimate the mineral profile of honeys, syrups, and adulterated honeys by syrup directly with chemometrics. Twelve mineral elements with higher contents were determined by ICP-OES in 67 honeys from 6 botanical origins, 17 syrups from 3 types, and 61 adulterations. Statistical analysis revealed honey was significantly different and higher than pale syrup in mineral profile except for barium. Five mono-floral models were established based on chemometrics analysis using the sPLS-DA method, and their discrimination accuracy were over 93% Although mineral contents in honeys from different botanical and geographical origins were quite different, the multi-floral model's classify accuracy was 87.7% as well as in blind test. The results revealed that mineral element chemometrics profiling can be a stable and robust tool to differentiate adulterated honey from pure honey.
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Affiliation(s)
- Tao Liu
- School of Life Sciences, Nanchang University, Nanchang 330031, China
| | - Kang Ming
- School of Life Sciences, Nanchang University, Nanchang 330031, China
| | - Wei Wang
- School of Life Sciences, Nanchang University, Nanchang 330031, China
| | - Ning Qiao
- Ganzhou Customs, Ganzhou 341000, China
| | - Shengrong Qiu
- School of Life Sciences, Nanchang University, Nanchang 330031, China
| | - Shengxiang Yi
- School of Life Sciences, Nanchang University, Nanchang 330031, China
| | - Xueyong Huang
- School of Life Sciences, Nanchang University, Nanchang 330031, China; State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Liping Luo
- School of Life Sciences, Nanchang University, Nanchang 330031, China.
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11
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Smith KE, Weis D. Evaluating Spatiotemporal Resolution of Trace Element Concentrations and Pb Isotopic Compositions of Honeybees and Hive Products as Biomonitors for Urban Metal Distribution. GEOHEALTH 2020; 4:e2020GH000264. [PMID: 32671313 PMCID: PMC7340846 DOI: 10.1029/2020gh000264] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/05/2020] [Accepted: 06/08/2020] [Indexed: 06/01/2023]
Abstract
Assessing metal distributions in cities is an important aspect of urban environmental quality management. Western honeybees (Apis mellifera) and their products are biomonitors that can elucidate small-scale metal distribution within a city. We compare range and variations in trace element (TE) concentrations and lead (Pb) isotopic compositions of honey, bee tissue, bee pollen, and propolis collected throughout Metro Vancouver (BC, Canada). Honey, bee, and bee pollen results have similar TE and isotopic trends; samples collected in urban and industrialized areas exhibit elevated concentrations of anthropogenically influenced TE (e.g., Pb, Zn, V, and Ti) and a less radiogenic Pb isotopic composition (i.e., lower 206Pb/207Pb and elevated 208Pb/206Pb) relative to their suburban and rural counterparts. For example, 206Pb/207Pb, 208Pb/206Pb in honey range from 1.126, 2.131 and 1.184, 2.063; extremes measured in honey from urban and suburban/rural areas, respectively. Except for propolis, measured and interpolated (kriged) results in all materials reflect the immediate zoning or land use setting near the hive, providing kilometer-scale geospatial resolution, suitable for monitoring urban systems. Statistical analysis reveals that no systematic variations or intra- or inter-annual trends exist in TE concentrations or Pb isotopic compositions, including among sampling and field methods (i.e., old vs. new hive equipment and honey from the brood nest box vs. honey super). The results of this systematic study using honeybees and hive products in Metro Vancouver provide a robust, current baseline for future comparison of local land use and environmental policy change.
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Affiliation(s)
- Kate E. Smith
- Pacific Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric SciencesUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Dominique Weis
- Pacific Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric SciencesUniversity of British ColumbiaVancouverBritish ColumbiaCanada
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12
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Grainger MNC, Hewitt N, French AD. Optimised approach for small mass sample preparation and elemental analysis of bees and bee products by inductively coupled plasma mass spectrometry. Talanta 2020; 214:120858. [PMID: 32278432 DOI: 10.1016/j.talanta.2020.120858] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 02/20/2020] [Accepted: 02/20/2020] [Indexed: 12/31/2022]
Abstract
The elemental fingerprint of honey, pollen and bees are useful biomonitors of anthropogenic activities across the world. Elements in honey and pollen may also be analysed for their nutritional value and potential toxicity. There are currently limited studies that address the use of small sample masses while retaining good reproducibility and detection limits during elemental analysis. The aim of this study was to develop a simple analytical method to quantify 39 major, minor, trace and rare earth elements in small mass samples of bees, honey and pollen by inductively coupled plasma mass spectrometry. The final method was validated for 20-200 mg bee, 20-100 mg pollen or 50-200 mg of honey with 0.2 mL nitric acid followed by 0.1 mL hydrogen peroxide in a digestion block (80 °C, 2 h total); samples were made up to a final volume of approximately 6 mL. The method reduces the volume of chemicals used, limits sample manipulation and improves detection limits over traditional digestion methods. The sample preparation and analysis method were deemed to be satisfactory for the three matrices examined, with spike recoveries ranging from 96 (B) to 129% (As) for trace elements and 91 (Pr) to 112% (La) for rare earth elements, and acceptable detection limits (down to 5.07 μg kg-1 for Co using 30 mg sample mass, pollen). Precision was acceptable with the relative percent standard deviation of fully homogenised samples ranging from 0.53 (K, bee, 20 mg) to 24% (As, 30 mg, bee) across the three matrices and all masses analysed. This small mass digestion method enables the analysis of a single bee allowing a more distinctive elemental signature to be determined. Similarly, pollen from fewer flowers of the same species can be pooled together which is advantageous for analysis of flowers that produce little pollen.
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Affiliation(s)
- Megan N C Grainger
- School of Science, University of Waikato, Private Bag 3105, Hamilton, 3240, New Zealand.
| | - Nyssa Hewitt
- School of Science, University of Waikato, Private Bag 3105, Hamilton, 3240, New Zealand
| | - Amanda D French
- School of Science, University of Waikato, Private Bag 3105, Hamilton, 3240, New Zealand
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14
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Fast and simple method using DLLME and FAAS for the determination of trace cadmium in honey. J Food Compost Anal 2019. [DOI: 10.1016/j.jfca.2019.06.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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15
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Lanjwani MF, Channa FA. Minerals content in different types of local and branded honey in Sindh, Pakistan. Heliyon 2019; 5:e02042. [PMID: 31372529 PMCID: PMC6656962 DOI: 10.1016/j.heliyon.2019.e02042] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/31/2019] [Accepted: 07/02/2019] [Indexed: 11/04/2022] Open
Abstract
The 15 honey samples were collected from diferent areas of Sindh, 8 samples were collected from local honey and 7 samples were purchase from local market Hyderabad Sindh. The 13 minerals were analyzed like potassium (K), magnesium (Mg), sodium (Na), calcium (Ca), manganese (Mn), Iron (Fe), cadmium (Cd), nickel (Ni), copper (Cu), lead (Pb), chromium (Cr), zinc (Zn) and cobalt (Co). The results of the major and trace elements in honey samples were found in the range from Na 77.5-200 mg/kg, K 225-439 mg/kg, Ca 46.1-98.1 mg/kg, Mg 31.3-73.8 mg/kg and trace elements Fe 2.98-16-2 mg/kg, Zn 1.11-4.1 mg/kg, Co 0.01-0.23 mg/kg, Cu 0.08-0.33 mg/kg, Mn 0.12-0.95 mg/kg, Cr 0.012-0.10 mg/kg, Ni 0.06-0.33 mg/kg, Pb 0.01-0.14 mg/kg, Cd 0.01-0.38 mg/kg. The results of K was found higher while the chromium was found lowest value in Sindh honeys. The statistical analysis correlation determination, principal components analysis and cluster analysis determined to evaluate the data.
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16
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Schievano E, Tonoli M, Rastrelli F. NMR Quantification of Carbohydrates in Complex Mixtures. A Challenge on Honey. Anal Chem 2017; 89:13405-13414. [DOI: 10.1021/acs.analchem.7b03656] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Elisabetta Schievano
- Dipartimento di Scienze Chimiche, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Marco Tonoli
- Dipartimento di Scienze Chimiche, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Federico Rastrelli
- Dipartimento di Scienze Chimiche, University of Padova, via Marzolo 1, 35131 Padova, Italy
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