351
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Chesson LA, Tipple BJ, Mackey GN, Hynek SA, Fernandez DP, Ehleringer JR. Strontium isotopes in tap water from the coterminous USA. Ecosphere 2012. [DOI: 10.1890/es12-00122.1] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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352
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MORENO-ROJAS RAFAEL, CÁMARA-MARTOS FERNANDO, SÁNCHEZ-SEGARRA PEDROJOSÉ, AMARO-LÓPEZ MANUELÁNGEL. Influence of manufacturing conditions and discrimination of Northern Spanish cheeses using multi-element analysis. INT J DAIRY TECHNOL 2012. [DOI: 10.1111/j.1471-0307.2012.00853.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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353
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Montowska M, Pospiech E. Is Authentication of Regional and Traditional Food Made of Meat Possible? Crit Rev Food Sci Nutr 2012; 52:475-87. [DOI: 10.1080/10408398.2010.501408] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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354
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Lv W, Ju T, Dong B, Yu B, Yin J. Effect of dietary stable isotopic ratios of carbon and nitrogen on the extent of their incorporation into tissues of rats. J Anim Sci Biotechnol 2012; 3:14. [PMID: 22958501 PMCID: PMC3436655 DOI: 10.1186/2049-1891-3-14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2012] [Accepted: 05/09/2012] [Indexed: 11/10/2022] Open
Abstract
This study was conducted to investigate the effect of different dietary ratios of 13 C to 12 C or 15 N to 14 N on their relative incorporation into tissues. Eighty male rats were used in two 21-day feeding trials in which they were fed diets with either high δ13C levels (δ13C = −13.89‰ and δ15N = 2.37‰ in experiment 1 and δ13C = −19.34‰ and δ15N = 4.73‰ in experiment 2) or low δ13C levels (δ13C = −17.90‰ and δ15N = 3.08‰ in experiment 1 and δ13C = −21.76‰ and δ15N = 0.53‰ in experiment 2), meanwhile, the dietary δ15N levels were designed to two ranks. Blood, liver, adipose and muscle tissues were collected on day 0, 3, 7, 14, and 21 for determination of 13 C, 12 C, 15 N and 14 N isotopes. Rat growth rate, antioxidant capacity and metabolic parameters were also assessed. The results indicate that adipose tissue tend to deplete 13 C before the stable isotopic ratios achieved final equilibrium. Therefore, feeds with different isotopic signatures had different incorporation rates into tissues. Low dietary 13 C levels decreased tissue δ13C values whereas high dietary 13 C levels did not alter tissue δ13C values during the 21-d experiment. Blood δ15N values were a reliable parameter in assessing the relative contribution of dietary nitrogen to tissues. This study revealed a relationship between dietary isotopic signatures and their incorporation rates into rat tissues. However, more studies are needed to illustrate the mechanism through which dietary isotopic ratios influence the extent of isotopic incorporation into the tissues.
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Affiliation(s)
- Wentao Lv
- State Key Laboratory of Animal Nutrition, China Agricultural University, No,2 West Road Yuanmingyuan, 100193, Beijing, China.
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355
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Wu C, Yamada K, Sumikawa O, Matsunaga A, Gilbert A, Yoshida N. Development of a methodology using gas chromatography-combustion-isotope ratio mass spectrometry for the determination of the carbon isotope ratio of caffeine extracted from tea leaves (Camellia sinensis). RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2012; 26:978-982. [PMID: 22396035 DOI: 10.1002/rcm.6177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
RATIONALE Compound-specific isotope analysis (CSIA) of the extracted caffeine can be used to determine the authenticity of the origin of tea. Elemental analysis-isotope ratio mass spectrometry (EA-IRMS), which is widely used to measure the carbon isotope ratio of caffeine, has a strict requirement for the purity of the extracted caffeine. To obtain high-purity caffeine from tea leaves, the conventional extraction process has to be repeated and usually takes about 5-6 h. To improve the measurement of the carbon isotope ratio of caffeine, a more rapid and accurate measuring method is needed. METHODS An analytical protocol was developed for the determination of the carbon isotope ratio of caffeine from tea leaves using gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS) combined with our extraction process. The procedure to extract caffeine and determine its carbon isotope ratio takes around 1.5 h. RESULTS The standard deviation of the method is less than 0.1‰ (1σ). The measured carbon isotope ratios were not influenced by the amount of caffeine injected (0.08-0.62 µg) or by the extraction yield of caffeine from the tea leaves. CONCLUSIONS The carbon isotope ratios of caffeine from eight tea cultivars were determined using the protocol.
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Affiliation(s)
- Chen Wu
- Department of Environmental Chemistry and Engineering, Tokyo Institute of Technology, Yokohama, Kanagawa 226-8503, Japan.
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356
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Benabdelkamel H, Di Donna L, Mazzotti F, Naccarato A, Sindona G, Tagarelli A, Taverna D. Authenticity of PGI "Clementine of Calabria" by multielement fingerprint. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:3717-3726. [PMID: 22458691 DOI: 10.1021/jf2050075] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Clementine is a citrus fruit that has found a peculiar habitat in specific areas of Calabria, a region located in southern Italy. Due to its peculiar characteristics it was recently awarded with protected geographical indications (PGI) from the European Union. In this work, stepwise linear discriminant analysis (S-LDA), soft independent modeling of class analogy (SIMCA), and partial least-squares discriminant analysis (PLS-DA) were used to build chemometric models able to protect PGI Clementine from others of different origin. Accordingly, the concentration of 24-26 elements was determined in peel and juice samples, respectively, obtained from Calabrian PGI clementine and from fruits cultivated in Algeria, Tunisia, and Spain. A cross-validation procedure has shown very satisfactory values of prediction ability for both S-LDA (96.6% for juice samples and 100% for peel samples) and SIMCA (100% for both peel and juice samples). PLS-DA models also yielded satisfactory results.
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Affiliation(s)
- Hicham Benabdelkamel
- Dipartimento di Chimica, Università della Calabria, Arcavacata di Rende (CS), Italy
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357
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Rock L, Rowe S, Czerwiec A, Richmond H. Isotopic analysis of eggs: evaluating sample collection and preparation. Food Chem 2012. [PMID: 23194561 DOI: 10.1016/j.foodchem.2012.03.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Egg traceability/authenticity is a worldwide concern. Stable isotope techniques have been suggested as a tool to address this issue. To further validate the use of these techniques, a research project was undertaken to evaluate what effect sample collection and preparation have on the measured isotopic composition of egg components. The timing of egg collection, the timing of egg preparation after collection, and the use of pasteurisation were investigated. The C, N, O, and S isotopic compositions of egg components from 7 different production systems were measured. Two sets of eggs were collected (4 months apart). It was found that the 'isotopic fingerprint' of a particular production system was maintained over time, and that it may be possible to trace liquid egg products based on isotopic data from fresh eggs. The findings from this study support the integration of stable isotope techniques in egg traceability/authenticity systems.
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Affiliation(s)
- Luc Rock
- EERC-SPACE & ASSET Queen's University Belfast David Keir Building, Stranmillis Road Belfast, BT9-5AG Northern Ireland, United Kingdom.
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358
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Hunsinger GB, Stern LA. Improved accuracy in high-temperature conversion elemental analyzer δ18O measurements of nitrogen-rich organics. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2012; 26:554-562. [PMID: 22302495 DOI: 10.1002/rcm.6132] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
RATIONALE The use of high-temperature conversion (HTC) reduction systems interfaced with isotope ratio mass spectrometers for δ(18)O measurements of nitrogen-containing organic materials is complicated by isobaric interference from (14)N(16)O(+). This ion is produced in the ion source when N(2) reacts with trace oxygen shifting the m/z 30 baseline prior to elution of CO. METHODS We compared adaptations to a typical HTC system (TC/EA) to determine the best method to measure the δ(18)O values of nitrogen-rich organic substrates including: (1) 0.6 and 1.5 m 5 Å molecular sieve GC columns; (2) reduction of N(2) peak via He dilution; and (3) diversion of N(2) to waste via an automated four-port valve. These methods were applied to caffeine (IAEA-600), glycine, 4-nitroacetanilide, pentaerythritol tetranitrate (PETN) and cyclotrimethylene trinitramine (RDX), as well as pure and sodium azide-doped benzoic acid (IAEA-601) and sucrose (IAEA-CH6). RESULTS The efficiency of N(2) production in the HTC interface was highly variable among these compounds. Both the longer column and the dilutor improved, but did not eliminate, the adverse effects of nitrogen. CONCLUSIONS The diversion of N(2) adequately addressed the nitrogen-induced problems as indicated by: (1) consistent m/z 30 background offset between reference and sample CO for both N-free and N-rich materials; (2) production of the highest δ(18)O values; and (3) high correlation between the increase in the δ(18)O values relative to the GC-only measurements and the N(2) peak area. Additional validation would require N-rich oxygen isotope standards for inter-laboratory comparisons. Further, more stringent methodology may improve the poor inter-laboratory δ(18)O reproducibility of IAEA-600.
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Affiliation(s)
- Glendon B Hunsinger
- Counterterrorism and Forensic Science Research Unit, FBI Laboratory, Quantico, VA 22135, USA
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359
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Suzuki Y, Kobe R, Nakashita R. A Novel Method to Discriminate between Natural and Synthetic Fibers by Stable Carbon, Nitrogen, and Oxygen Isotope Analyses. CHEM LETT 2012. [DOI: 10.1246/cl.2012.242] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yaeko Suzuki
- Analytical Group, Japan Certification Service
- Analytical Science Division, National Food Research Institute
| | - Ryo Kobe
- Analytical Group, Japan Certification Service
| | - Rumiko Nakashita
- Analytical Group, Japan Certification Service
- Forestry and Forest Products Research Institute
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360
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Bong YS, Gautam MK, Lee KS. Origin assessment of domestic and imported beef sold in the Korean markets using stable carbon and oxygen isotopes. Food Sci Biotechnol 2012. [DOI: 10.1007/s10068-012-0030-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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361
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Fiorentino G, Caracuta V, Casiello G, Longobardi F, Sacco A. Studying ancient crop provenance: implications from δ(13)C and δ(15)N values of charred barley in a Middle Bronze Age silo at Ebla(NW Syria). RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2012; 26:327-335. [PMID: 22223320 DOI: 10.1002/rcm.5323] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The discovery of a storeroom full of barley and other cereals (L.9512) in the proto-historic site of Ebla has provided a unique opportunity to study the centralized storage system of the early city-state from a different perspective. Epigraphic evidence available within the site reveals a complex system of taxation which included gathering grain tributes from satellite sites and redistributing semi-finished products such as flour. In this paper, we intend to explore the possibilities of a combined approach to studying the storage system, based on estimated barley grain volumes and δ(13)C-δ(15)N analyses. This approach is used to distinguish between grain from different harvesting sites and to identify any grain cultivated using special agricultural practices (e.g. manuring or irrigation). The basic assumption for this kind of analysis is that the growth-site conditions, natural or anthropogenic, of harvested cereals are reflected in their grain size and δ(13)C-δ(15)N values. Since the remains found in the storeroom were charred, the first task was to evaluate the effect of carbonization on the δ(13)C-δ(15)N and the size of the grains. Thus, the effect of charring was tested on modern samples of Syrian barley landraces. Once it had been ascertained that fresh grains reduced to charred remains retain their original biometric and isotopic traits, the ancient material was examined. Thirteen groups were identified, each characterized by a specific average volume and specific carbon and nitrogen values. The analysis revealed that what had first appeared to be a homogeneous concentration of grain was in fact an assemblage of barley harvested from different sites.
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Affiliation(s)
- Girolamo Fiorentino
- Laboratory of Archaeobotany and Palaeoecology, University of Salento, Cultural Heritage, Via D. Birago 64, Lecce, 73100, Italy.
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362
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Rummel S, Dekant CH, Hölzl S, Kelly SD, Baxter M, Marigheto N, Quetel CR, Larcher R, Nicolini G, Fröschl H, Ueckermann H, Hoogewerff J. Sr isotope measurements in beef—analytical challenge and first results. Anal Bioanal Chem 2012; 402:2837-48. [DOI: 10.1007/s00216-012-5759-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Revised: 01/16/2012] [Accepted: 01/18/2012] [Indexed: 11/27/2022]
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363
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The classification of sea cucumber (Apostichopus japonicus) according to region of origin using multi-element analysis and pattern recognition techniques. Food Control 2012. [DOI: 10.1016/j.foodcont.2011.08.025] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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364
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Suzuki Y, Nakashita R, Kobe R, Kitai A, Tomiyama S. Tracing the Geographical Origin of Japanese (Aomori Prefecture) and Chinese Apples using Stable Carbon and Oxygen Isotope Analyses. J JPN SOC FOOD SCI 2012. [DOI: 10.3136/nskkk.59.69] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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365
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SUZUKI Y, CHIKARAISHI Y, YAMADA K, YOSHIDA N. Interlaboratory Comparison of Carbon, Nitrogen, and Oxygen Isotope Ratios in Organic Chemicals Using Elemental Analyzer-Isotope Ratio Mass Spectrometer. BUNSEKI KAGAKU 2012. [DOI: 10.2116/bunsekikagaku.61.805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Yaeko SUZUKI
- Analytical Science Division, National Food Research Institute
| | - Yoshito CHIKARAISHI
- Institute of Biogeosciences, Japan Agency for Marine-Earth Science and Technology
| | - Keita YAMADA
- Interdisplinary Graduate School of Science and Engineering Tokyo Institute of Technology
| | - Naohiro YOSHIDA
- Interdisplinary Graduate School of Science and Engineering Tokyo Institute of Technology
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366
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Chesson LA, Valenzuela LO, Bowen GJ, Cerling TE, Ehleringer JR. Consistent predictable patterns in the hydrogen and oxygen stable isotope ratios of animal proteins consumed by modern humans in the USA. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2011; 25:3713-3722. [PMID: 22468327 DOI: 10.1002/rcm.5283] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Published datasets of proteinaceous animal tissues suggest that co-variation between amino acid hydrogen (δ²H) and oxygen (δ¹⁸O) isotope ratios is a common feature in systems where isotopic variation is driven by geographic or temporal variation in the δ²H and δ¹⁸O values of environmental water. This has led to the development of models relating tissue δ²H and δ¹⁸O values to those of water, with potential application in a number of fields. However, the strength and ubiquity of the influence of environmental water on protein isotope ratios across taxonomic groups, and thus the relevance of predictive models, is an open question. Here we report strong co-variation of δ²H and δ¹⁸O values across a suite of terrestrial and aquatic animal meats purchased in American food markets, including beef, poultry (chicken and turkey), chicken eggs, pork, lamb, freshwater fish, and marine fish. Significant isotope co-variation was not found for small collections of marine bivalves and crustaceans. These results imply that isotopic signals from environmental water were propagated similarly through most of the diverse natural and human-managed foodwebs represented by our samples. Freshwater fish had the largest variation in δ²H and δ¹⁸O values, with ranges of 121‰ and 19.2‰, respectively, reflecting the large isotopic variation in environmental freshwaters. In contrast marine animals had the smallest variation for both δ²H (7‰ range, crustaceans) and δ¹⁸O (3.0‰ range, bivalves) values. Known-origin beef samples demonstrated direct relationships between the variance of environmental water isotope ratios and that of collected meats.
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367
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Husáková L, Urbanová I, Šrámková J, Černohorský T, Krejčová A, Bednaříková M, Frýdová E, Nedělková I, Pilařová L. Analytical capabilities of inductively coupled plasma orthogonal acceleration time-of-flight mass spectrometry (ICP-oa-TOF-MS) for multi-element analysis of food and beverages. Food Chem 2011; 129:1287-96. [DOI: 10.1016/j.foodchem.2011.05.047] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2010] [Revised: 02/14/2011] [Accepted: 05/09/2011] [Indexed: 11/24/2022]
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368
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Baroni MV, Podio NS, Badini RG, Inga M, Ostera HA, Cagnoni M, Gallegos E, Gautier E, Peral-García P, Hoogewerff J, Wunderlin DA. How much do soil and water contribute to the composition of meat? A case study: meat from three areas of Argentina. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:11117-11128. [PMID: 21932864 DOI: 10.1021/jf2023929] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The main goal of this study was to propose a reliable method to verify the geographical origin of meat, establishing the influence of soil and water on its isotopic and elemental composition. Thus, beef meat, soil, and water samples were collected from three major cattle-producing regions of Argentina (Buenos Aires, Córdoba, and Entre Ríos). Multielemental composition was determined on these three matrices by inductively coupled plasma mass spectrometry (ICP-MS), δ(13)C and δ(15)N by isotope-ratio mass spectrometry (IRMS), and the (87)Sr/(86)Sr ratio by thermal ionization mass spectrometry (TIMS). Soil and drinking water samples could be characterized and clearly differentiated by combining the isotopic ratios and elements, demonstrating differences in geology and climatic conditions of three regions. Similarly, meat originating at each sampling area was characterized and differentiated using only five key variables (Rb, Ca/Sr, δ(13)C, δ(15)N, and (87)Sr/(86)Sr). Generalized procrustes analysis (GPA), using the three studied matrices (soil, water, and meat) shows consensus between them and clear differences between studied areas. Furthermore, canonical correlation analysis (CCA) demonstrates significant correlation between the chemical-isotopic profile of meat with those corresponding to both soil and water (r(2) = 0.93, p < 0.001; and r(2) = 0.83, p < 0.001, respectively). So far, there are clear coincidences between the meat fingerprint and those from soil/water where cattle grew, presenting a good method to establish beef provenance. To the authors' knowledge this is the first report linking the influence of soil and water all together on the composition of beef, presenting the basis for the authentication of Argentinean beef, which could be extended to meat from different provenances.
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Affiliation(s)
- María V Baroni
- Facultad Ciencias Químicas-SECyT/ISIDSA-ICYTAC, Universidad Nacional de Córdoba-CONICET, Ciudad Universitaria, Córdoba, Argentina
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369
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Zampella M, Quétel CR, Paredes E, Goitom Asfaha D, Vingiani S, Adamo P. Soil properties, strontium isotopic signatures and multi-element profiles to authenticate the origin of vegetables from small-scale regions: illustration with early potatoes from southern Italy. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2011; 25:2721-2731. [PMID: 21913249 DOI: 10.1002/rcm.5081] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We propose a method for the authentication of the origin of vegetables grown under similar weather conditions, in sites less than 10 km distance from the sea and distributed over a rather small scale area (58651 km(2)). We studied how the strontium (Sr) isotopic signature and selected elemental concentrations ([Mn], [Cu], [Zn], [Rb], [Sr] and [Cd]) in early potatoes from three neighbouring administrative regions in the south of Italy were related to the geological substrate (alluvial sediments, volcanic substrates and carbonate rocks) and to selected soil chemical properties influencing the bioavailability of elements in soils (pH, cation exchange capacity and total carbonate content). Through multiple-step multivariate statistics (PLS-DA) we could assign 26 potatoes (including two already commercialised samples) to their respective eight sites of production, corresponding to the first two types of geological substrates. The other 12 potatoes from four sites of production had similar characteristics in terms of the geological substrate (third type) and these soil properties could be grouped together. In this case, more discriminative parameters would be required to allow the differentiation between sites. The validation of our models included external prediction tests with data of potatoes harvested the year before and a study on the robustness of the uncertainties of the measurement results. Annual variations between multi-elemental and Sr isotopic fingerprints were observed in potatoes harvested from soils overlying carbonate rocks, stressing the importance of testing long term variations in authentication studies.
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Affiliation(s)
- Mariavittoria Zampella
- European Commission, Joint Research Centre, Institute for Reference Materials and Measurements (IRMM), Geel, Belgium
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370
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Decision trees in selection of featured determined food quality. Anal Chim Acta 2011; 705:261-71. [DOI: 10.1016/j.aca.2011.06.030] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2011] [Revised: 06/08/2011] [Accepted: 06/09/2011] [Indexed: 11/17/2022]
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371
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Thomas F, Jamin E, Shimoo K, Nagao J, Osaki Y, Granier C. The use of multi-element stable isotope analysis to monitor the origin of chondroitin sulfates. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2011; 25:2533-2537. [PMID: 21818814 DOI: 10.1002/rcm.5159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Continuous-flow isotope ratio mass spectrometry (CF-IRMS) of deuterium, carbon, nitrogen, oxygen and sulfur has been used to analyse samples of pure chondroitin sulfates from known animal sources (shark, squid, salmon, pig and bovine). There is a need to control the origin of this dietary supplement, which is extracted from several types of animals: for traditional, ethical, or economic reasons, a given source of natural products of animal origin can be preferred to another, and can therefore have a different price. Twenty-three samples collected in Europe and Asia were analysed by IRMS. The results, especially the isotopic deviations of sulphur, oxygen and deuterium, show a significant discrimination between marine and terrestrial origins of this compound which will provide a convenient and efficient way to control the declared sources in the market. The differences observed between origins are further discussed.
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372
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Maggi L, Carmona M, Kelly SD, Marigheto N, Alonso GL. Geographical origin differentiation of saffron spice (Crocus sativus L. stigmas) – Preliminary investigation using chemical and multi-element (H, C, N) stable isotope analysis. Food Chem 2011; 128:543-8. [DOI: 10.1016/j.foodchem.2011.03.063] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2010] [Revised: 11/09/2010] [Accepted: 03/11/2011] [Indexed: 10/18/2022]
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373
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Furia E, Naccarato A, Sindona G, Stabile G, Tagarelli A. Multielement fingerprinting as a tool in origin authentication of PGI food products: Tropea red onion. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:8450-8457. [PMID: 21721527 DOI: 10.1021/jf201556e] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Tropea red onion ( Allium cepa L. var. Tropea) is among the most highly appreciated Italian products. It is cultivated in specific areas of Calabria and, due to its characteristics, was recently awarded with the protected geographical indications (PGI) certification from the European Union. A reliable classification of onion samples in groups corresponding to "Tropea" and "non-Tropea" categories is now available to the producers. This important goal has been achieved through the evaluation of three supervised chemometric approaches. Onion samples with PGI brand (120) and onion samples not cultivated following the production regulations (80) were digested by a closed-vessel microwave oven system. ICP-MS equipped with a dynamic reaction cell was used to determine the concentrations of 25 elements (Al, Ba, Ca, Cd, Ce, Cr, Dy, Eu, Fe, Ga, Gd, Ho, La, Mg, Mn, Na, Nd, Ni, Pr, Rb, Sm, Sr, Tl, Y, and Zn). The multielement fingerprint was processed using linear discriminant analysis (LDA) (standard and stepwise), soft independent modeling of class analogy (SIMCA), and back-propagation artificial neural network (BP-ANN). The cross-validation procedure has shown good results in terms of the prediction ability for all of the chemometric models: standard LDA, 94.0%; stepwise LDA, 94.5%; SIMCA, 95.5%; and BP-ANN, 91.5%.
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Affiliation(s)
- Emilia Furia
- Dipartimento di Chimica, Università della Calabria, Arcavacata di Rende (CS), Italy
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374
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Di Paola-Naranjo RD, Baroni MV, Podio NS, Rubinstein HR, Fabani MP, Badini RG, Inga M, Ostera HA, Cagnoni M, Gallegos E, Gautier E, Peral-Garcia P, Hoogewerff J, Wunderlin DA. Fingerprints for main varieties of argentinean wines: terroir differentiation by inorganic, organic, and stable isotopic analyses coupled to chemometrics. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:7854-7865. [PMID: 21671663 DOI: 10.1021/jf2007419] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Our main goal was to investigate if robust chemical fingerprints could be developed for three Argentinean red wines based on organic, inorganic, and isotopic patterns, in relation to the regional soil composition. Soils and wines from three regions (Mendoza, San Juan, and Córdoba) and three varieties (Cabernet Sauvignon, Malbec, and Syrah) were collected. The phenolic profile was determined by HPLC-MS/MS and multielemental composition by ICP-MS; (87)Sr/(86)Sr and δ(13)C were determined by TIMS and IRMS, respectively. Chemometrics allowed robust differentiation between regions, wine varieties, and the same variety from different regions. Among phenolic compounds, resveratrol concentration was the most useful marker for wine differentiation, whereas Mg, K/Rb, Ca/Sr, and (87)Sr/(86)Sr were the main inorganic and isotopic parameters selected. Generalized Procrustes analysis (GPA) using two studied matrices (wine and soil) shows consensus between them and clear differences between studied areas. Finally, we applied a canonical correlation analysis, demonstrating significant correlation (r = 0.99; p < 0.001) between soil and wine composition. To our knowledge this is the first report combining independent variables, constructing a fingerprint including elemental composition, isotopic, and polyphenol patterns to differentiate wines, matching part of this fingerprint with the soil provenance.
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375
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Bertoldi D, Larcher R, Bertamini M, Otto S, Concheri G, Nicolini G. Accumulation and distribution pattern of macro- and microelements and trace elements in Vitis vinifera L. cv. Chardonnay berries. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:7224-7236. [PMID: 21639148 DOI: 10.1021/jf2006003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
This paper describes the accumulation pattern of 42 mineral elements in Vitis vinifera L. berries during development and ripening and their distribution in berry skin, seeds, and flesh around harvest time. Grape berries were sampled in two different vineyards with alkaline soil and analyzed using a ICP-MS. Although elemental amounts were significantly different in the grapes from the two vineyards, the accumulation pattern and percentage distribution in different parts of the berries were generally quite similar. Ba, Eu, Sr, Ca, Mg, Mn, and Zn accumulate prior to veraison. Al, Ce, Dy, Er, Ga, Gd, Ho, La, Nd, Pr, Sm, Sn, Zr, Th, Tm, U, Y, and Yb accumulate mainly prior to veraison but also during ripening. Ag, As, B, Cd, Cs, Cu, Fe, Ge, Hg, K, Li, Na, P, Rb, Sb, Se, and Tl accumulate progressively during growth and ripening. With regard to distribution, Ba, Ca, Eu, Fe, Mn, P, Sr, and Zn accumulate mainly in the seeds, Al, B, Ga, Sn, and the rare earths analyzed, except for Eu, accumulate mainly in the skin, and Ag, As, Cd, Cs, Cu, Ge, Hg, K, Li, Mg, Na, Rb, Sb, Se, Th, Tl, U, and Zr accumulate mainly in the flesh. A joint representation of the accumulation and distribution patterns for the elements in the berry is also given.
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Affiliation(s)
- Daniela Bertoldi
- Istituto Agrario di San Michele all'Adige, San Michele all'Adige, Italy.
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376
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Lehn C, Mützel E, Rossmann A. Multi-element stable isotope analysis of H, C, N and S in hair and nails of contemporary human remains. Int J Legal Med 2011; 125:695-706. [DOI: 10.1007/s00414-011-0595-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Accepted: 06/24/2011] [Indexed: 11/29/2022]
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377
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Gonzálvez A, Armenta S, de la Guardia M. Geographical traceability of “Arròs de Valencia” rice grain based on mineral element composition. Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.11.032] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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378
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Laursen KH, Schjoerring JK, Olesen JE, Askegaard M, Halekoh U, Husted S. Multielemental fingerprinting as a tool for authentication of organic wheat, barley, faba bean, and potato. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:4385-4396. [PMID: 21417209 DOI: 10.1021/jf104928r] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The multielemental composition of organic and conventional winter wheat, spring barley, faba bean, and potato was analyzed with inductively coupled plasma-optical emission spectrometry (ICP-OES) and -mass spectrometry (ICP-MS). The crops were cultivated in two years at three geographically different field locations, each accommodating one conventional and two organic cropping systems. The conventional system produced the highest harvest yields for all crops except the nitrogen-fixing faba bean, whereas the dry matter content of each crop was similar across systems. No systematic differences between organic and conventional crops were found in the content of essential plant nutrients when statistically analyzed individually. However, chemometric analysis of multielemental fingerprints comprising up to 14 elements allowed discrimination. The discrimination power was further enhanced by analysis of up to 25 elements derived from semiquantitative ICP-MS. It is concluded that multielemental fingerprinting with semiquantitative ICP-MS and chemometrics has the potential to enable authentication of organic crops.
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Affiliation(s)
- Kristian H Laursen
- Plant and Soil Science Section, Department of Agriculture and Ecology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg C, Copenhagen, Denmark
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379
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Intrinsic ratios of glucose, fructose, glycerol and ethanol 13C/12C isotopic ratio determined by HPLC-co-IRMS: toward determining constants for wine authentication. Anal Bioanal Chem 2011; 401:1551-8. [PMID: 21544541 DOI: 10.1007/s00216-011-5012-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Revised: 04/04/2011] [Accepted: 04/12/2011] [Indexed: 10/18/2022]
Abstract
High-performance liquid chromatography linked to isotope ratio mass spectrometry (HPLC-co-IRMS) via a Liquiface© interface has been used to simultaneously determine (13)C isotope ratios of glucose (G), fructose (F), glycerol (Gly) and ethanol (Eth) in sweet and semi-sweet wines. The data has been used the study of wine authenticity. For this purpose, 20 authentic wines from various French production areas and various vintages have been analyzed after dilution in pure water from 20 to 200 times according to sugar content. If the (13)C isotope ratios vary according to the production area and the vintage, it appears that internal ratios of (13)C isotope ratios (R((13)C)) of the four compounds studied can be considered as a constant. Thus, ratios of isotope ratios are found to be 1.00 ± 0.04 and 1.02 ± 0.08 for R((13)C(G/F)) and R((13)C(Gly/Eth)), respectively. Moreover, R((13)C(Eth/Sugar)) is found to be 1.15 ± 0.10 and 1.16 ± 0.08 for R((13)C(Gly/Sugar)). Additions of glucose, fructose and glycerol to a reference wine show a variation of the R((13)C) value for a single product addition as low as 2.5 g/L(-1). Eighteen commercial wines and 17 concentrated musts have been analyzed. Three wine samples are suspicious as the R((13)C) values are out of range indicating a sweetening treatment. Moreover, concentrated must analysis shows that (13)C isotope ratio can be also used directly to determine the authenticity of the matrix.
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380
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Cozzolino D, Cynkar W, Shah N, Smith P. Can spectroscopy geographically classify Sauvignon Blanc wines from Australia and New Zealand? Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.11.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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381
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Osorio MT, Moloney AP, Schmidt O, Monahan FJ. Beef authentication and retrospective dietary verification using stable isotope ratio analysis of bovine muscle and tail hair. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:3295-3305. [PMID: 21391592 DOI: 10.1021/jf1040959] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Stable isotope ratio analysis (SIRA) was used as an analytical tool to verify the preslaughter diet of beef cattle. Muscle and tail hair samples were collected from animals fed either pasture (P), a barley-based concentrate (C), silage followed by pasture (SiP), or silage followed by pasture with concentrate (SiPC) for 1 year (n = 25 animals per treatment). The (13)C/(12)C, (15)N/(14)N, (2)H/(1)H, and (34)S/(32)S isotope ratios in muscle clearly reflected those of the diets consumed by the animals. By applying a stepwise canonical discriminant analysis, a good discrimination of bovine meat according to dietary regimen was obtained. On the basis of the classification success rate, the (13)C/(12)C and (34)S/(32)S ratios in muscle were the best indicators for authentication of beef from animals consuming the different diets. Analysis of (13)C/(12)C and (15)N/(14)N in tail hair sections provided an archival record of changes to the diet of the cattle for periods of over 1 year preslaughter.
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Affiliation(s)
- M Teresa Osorio
- School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
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382
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Camin F, Perini M, Bontempo L, Fabroni S, Faedi W, Magnani S, Baruzzi G, Bonoli M, Tabilio M, Musmeci S, Rossmann A, Kelly S, Rapisarda P. Potential isotopic and chemical markers for characterising organic fruits. Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.09.081] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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383
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Identification of geographical origins of Schisandra fruits in China based on stable carbon isotope ratio analysis. Eur Food Res Technol 2011. [DOI: 10.1007/s00217-011-1445-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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384
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Hülsemann F, Flenker U, Parr M, Geyer H, Schänzer W. Authenticity control and identification of origin of synthetic creatine-monohydrate by isotope ratio mass spectrometry. Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.09.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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385
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Goitom Asfaha D, Quétel CR, Thomas F, Horacek M, Wimmer B, Heiss G, Dekant C, Deters-Itzelsberger P, Hoelzl S, Rummel S, Brach-Papa C, Van Bocxstaele M, Jamin E, Baxter M, Heinrich K, Kelly S, Bertoldi D, Bontempo L, Camin F, Larcher R, Perini M, Rossmann A, Schellenberg A, Schlicht C, Froeschl H, Hoogewerff J, Ueckermann H. Combining isotopic signatures of n(87Sr)/n(86Sr) and light stable elements (C, N, O, S) with multi-elemental profiling for the authentication of provenance of European cereal samples. J Cereal Sci 2011. [DOI: 10.1016/j.jcs.2010.11.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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386
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Longobardi F, Casiello G, Sacco D, Tedone L, Sacco A. Characterisation of the geographical origin of Italian potatoes, based on stable isotope and volatile compound analyses. Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.07.092] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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387
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Sun S, Guo B, Wei Y, Fan M. Multi-element analysis for determining the geographical origin of mutton from different regions of China. Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.07.027] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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388
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389
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Tissue turnover in ovine muscles and lipids as recorded by multiple (H, C, O, S) stable isotope ratios. Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.06.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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390
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Aiello D, De Luca D, Gionfriddo E, Naccarato A, Napoli A, Romano E, Russo A, Sindona G, Tagarelli A. Review: multistage mass spectrometry in quality, safety and origin of foods. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2011; 17:1-31. [PMID: 21625027 DOI: 10.1255/ejms.1114] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Quality and safety control and the validation of origin are hot issues in the production of food and its distribution, and are of primary concern to food and agriculture organization. Modern mass spectrometry (MS) provides unique, reliable and affordable methodologies to approach with a high degree of scientificity any problem which may be posed in this field. In this review the contribution of mass spectrometry to food analysis is presented aiming at providing clues on the fundamental role of the basic principles of gas-phase ion chemistry in applied research fields. Applications in proteomics, allergonomics, glycomics, metabolomics, lipidomics, food safety and traceability have been surveyed. The high level of specificity and sensitivity of the MS approach allows the characterization of food components and contaminants present at ultra-trace levels, providing a distinctive and safe validation of the products.
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Affiliation(s)
- Donatella Aiello
- Dipartimento di Chimica, Università della Calabria, Arcavacata di Rende, Italy
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391
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Primrose S, Woolfe M, Rollinson S. Food forensics: methods for determining the authenticity of foodstuffs. Trends Food Sci Technol 2010. [DOI: 10.1016/j.tifs.2010.09.006] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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392
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Anderson KA, Hobbie KA, Smith BW. Chemical profiling with modeling differentiates wild and farm-raised salmon. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:11768-11774. [PMID: 20973481 DOI: 10.1021/jf102046b] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Classifications of fish production methods, wild or farm-raised salmon, by elemental profiles or C and N stable isotope ratios combined with various modeling approaches were determined. Elemental analysis (As, Ba, Be, Ca, Co, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, P, Pb, Sr, Ti, and Zn) of wild and farm-raised salmon samples was performed using an inductively coupled plasma atomic emission spectroscopy. Isotopic and compositional analyses of carbon and nitrogen were performed using mass spectrometry as an alternative fingerprinting technique. Each salmon (king salmon, Oncorhynchus tshawytscha ; coho salmon, Oncorhynchus kisutch ; Atlantic salmon, Salmo salar ) was analyzed from two food production practices, wild and farm raised. Principal component analysis (PCA) and canonical discriminant analysis (CDA) were used for data exploration and visualization. Five classification modeling approaches were investigated: linear discriminate function, quadratic discriminant function, neural network, probabilistic neural network, and neural network bagging. Methods for evaluating model reliability included four strategies: resubstitution, cross-validation, and two very different test set scenarios. Generally speaking, the models performed well, with the percentage of samples classified correctly depending on the particular choice of model and evaluation method used.
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Affiliation(s)
- Kim A Anderson
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
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393
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Hunsinger GB, Hagopian WM, Jahren AH. Offline oxygen isotope analysis of organic compounds with high N:O. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2010; 24:3182-3186. [PMID: 20941766 DOI: 10.1002/rcm.4752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Although the advantages of online δ(18)O analysis of organic compounds make its broad application desirable, researchers have encountered NO(+) isobaric interference with CO(+) at m/z 30 (e.g. (14)N(16)O(+), (12)C(18)O(+)) when analyzing nitrogenous substrates. If the δ(18)O value of inter-laboratory standards for substrates with high N:O value could be confirmed offline, these materials could be analyzed periodically and used to evaluate δ(18)O data produced online for nitrogenous unknowns. To this end, we present an offline method based on modifications of the methods of Schimmelmann and Deniro (Anal. Chem. 1985; 57: 2644) and Sauer and Sternberg (Anal. Chem. 1994; 66: 2409), whereby all the N(2) from the gas products of a chlorinated pyrolysis was eliminated, resulting in purified CO(2) for analysis via a dual-inlet isotope ratio mass spectrometry system. We evaluated our method by comparing observed δ(18)O values with previously published or inter-laboratory calibrated δ(18)O values for five nitrogen-free working reference materials; finding isotopic agreement to within ±0.2‰ for SIGMA® cellulose, IAEA-CH3 cellulose (C(6)H(10)O(5)) and IAEA-CH6 sucrose (C(12)H(22)O(11)), and within ±1.8‰ for IAEA-601 and IAEA-602 benzoic acids (C(7)H(6)O(2)). We also compared the δ(18)O values of IAEA-CH3 cellulose and IAEA-CH6 sucrose that was nitrogen-'doped' with adenine (C(5)H(5)N(5)), imidazole (C(3)H(4)N(2)) and 2-aminopyrimidine (C(4)H(5)N(3)) with the undoped δ(18)O values for the same substrates; yielding isotopic agreement to within ±0.7‰. Finally, we provide an independent analysis of the δ(18)O value of IAEA-600 caffeine (C(8)H(10)N(4)O(2)), previously characterized using online systems exclusively, and discuss the reasons for an average 1.4‰ enrichment in δ(18)O observed offline relative to the consensus online δ(18)O value.
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Affiliation(s)
- Glendon B Hunsinger
- University of Hawaii-Manoa, School of Ocean and Earth Science & Technology, Dept. of Geology and Geophysics, Honolulu, HI 98622, USA.
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394
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Adami L, Dutra SV, Marcon AR, Carnieli GJ, Roani CA, Vanderlinde R. Geographic origin of southern Brazilian wines by carbon and oxygen isotope analyses. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2010; 24:2943-8. [PMID: 20872626 DOI: 10.1002/rcm.4726] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
We present a method that can differentiate between the varieties of grapes and the vintages of wines and show the relationship between the grapes, the wine and the geographic location. The place of origin and its geographic and climatic characteristics were determined by the isotopic ratios, (13)C/(12)C of the ethanol and (18)O/(16)O of the water content of wine (wine water), for southern Brazil wines. The producing subregions of Pinto Bandeira, Vale dos Vinhedos and Nova Pádua showed differences in the temperature, rainfall and humidity conditions used for the production under microvinification conditions of Merlot and Cabernet Sauvignon varieties, in the harvests of 2005 and 2006. An isotope ratio mass spectrometer coupled to an elemental analyzer was used to measure the (13)C/(12)C of ethanol and the (18)O/(16)O of wine water. Regardless of the grape variety used, it was possible to determine the subregion through measurement of the δ(18)O values in both harvests. The altitudes of the different subregions led to statistical differences and demonstrated an influence mainly on the δ(18)O values of wine water. The δ(18)O value of wine water was determined to be more selective for the determination of the cultivation subregions than the δ(13)C value of the ethanol. The altitude and latitude influenced mainly the δ (18)O values of wine water and the ethanol. The climatic influences are more noteworthy in distinguishing the year of the harvest than the cultivation subregion.
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Affiliation(s)
- Laurien Adami
- Reference Laboratory Enologic/Brazilian Institute of Wine (IBRAVIN), Avenida da Vindima, 1855, CEP: 95084-470, Caxias do Sul, Rio Grande do Sul, Brazil.
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395
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Suzuki Y, Akamatsu F, Nakashita R, Korenaga T. A Novel Method to Discriminate between Plant- and Petroleum-derived Plastics by Stable Carbon Isotope Analysis. CHEM LETT 2010. [DOI: 10.1246/cl.2010.998] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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396
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Tsogas GZ, Giokas DL, Kapakoglou NI, Efstathiou DE, Vlessidis AG, Dimitrellos GN, Georgiadis TD, Charchanti AV. Land-Based Classification of Herb's Origin Based on Supervised and Unsupervised Pattern Recognition of Plant and Soil Chemical Profiling. ANAL LETT 2010. [DOI: 10.1080/00032711003783168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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397
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Rosner M. Geochemical and instrumental fundamentals for accurate and precise strontium isotope data of food samples: Comment on “Determination of the strontium isotope ratio by ICP-MS ginseng as a tracer of regional origin” (Choi et al., 2008). Food Chem 2010. [DOI: 10.1016/j.foodchem.2010.01.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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398
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Multivariate analysis techniques as tools for categorization of Southern Spanish cheeses: nutritional composition and mineral content. Eur Food Res Technol 2010. [DOI: 10.1007/s00217-010-1338-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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399
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Di Donna L, Mazzotti F, Naccarato A, Salerno R, Tagarelli A, Taverna D, Sindona G. Secondary metabolites of Olea europaea leaves as markers for the discrimination of cultivars and cultivation zones by multivariate analysis. Food Chem 2010. [DOI: 10.1016/j.foodchem.2009.12.070] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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400
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Giner Martínez-Sierra J, Santamaria-Fernandez R, Hearn R, Marchante Gayón JM, García Alonso JI. Development of a direct procedure for the measurement of sulfur isotope variability in beers by MC-ICP-MS. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:4043-4050. [PMID: 20307094 DOI: 10.1021/jf9019213] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
In this work, a multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) was evaluated for the direct measurement of sulfur stable isotope ratios in beers as a first step toward a general study of the natural isotope variability of sulfur in foods and beverages. Sample preparation consisted of a simple dilution of the beers with 1% (v/v) HNO(3). It was observed that different sulfur isotope ratios were obtained for different dilutions of the same sample indicating that matrix effects affected differently the transmission of the sulfur ions at masses 32, 33, and 34 in the mass spectrometer. Correction for mass bias related matrix effects was evaluated using silicon internal standardization. For that purpose, silicon isotopes at masses 29 and 30 were included in the sulfur cup configuration and the natural silicon content in beers used for internal mass bias correction. It was observed that matrix effects on differential ion transmission could be corrected adequately using silicon internal standardization. The natural isotope variability of sulfur has been evaluated by measuring 26 different beer brands. Measured delta(34)S values ranged from -0.2 to 13.8 per thousand. Typical combined standard uncertainties of the measured delta(34)S values were < or = 2 per thousand. The method has therefore great potential to study sulfur isotope variability in foods and beverages.
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