Mineral analysis of pollen by Total Reflection X-Ray Fluorescence

Basso, Ines; Lorenzo, Daniel S.; Mouteira, María Cecilia; Custo, Graciela

doi:10.1016/j.apradiso.2019.06.015

Cited by 5 publications

(4 citation statements)

References 17 publications

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“…Quantification was performed using the Quantitative Analysis of Environmental Samples (QAES) software that was developed in our laboratory. [22,32] The estimated uncertainty budget of the EDXRF analysis was assessed to be around 11% and is incorporated in the QAES software procedure. The combined total standard uncertainty consists of standard uncertainty of calibration procedure, the uncertainty of measured fluorescent intensities, the uncertainty of the AXIL spectrum analysis procedure, uncertainty in measurements of sample absorption by the transmission-emission method, uncertainty of heterogeneity of the analyzed material, and uncertainties in the geometry of the excitation detection experiment.…”

Section: Energy Dispersive X-ray Fluorescence Spectrometrymentioning

confidence: 99%

“…[11,15] Instrumental methods suitable for determining element concentration in bee pollen are atomic absorption spectrometry, [16,17] inductively coupled plasma optical emission and mass spectrometry (ICP-OES, ICP-MS), [11,18,19] energy dispersive X-ray fluorescence spectrometry (EDXRF) [8,20,21] and, not so commonly used method for this type of analysed matrix, total reflection X-ray fluorescence spectrometry, where prior analysis acid decomposition of the sample must be performed. [22,23] A recent review article reported on the capabilities of analytical methods mentioned above along with suitable sample preparation protocols for the determination of elemental content of bee pollen. [14] For biological materials, such as bee pollen, the above techniques provide a non-destructive or destructive analytical approach of chemical sample treatment prior to analysis for elemental determination.…”

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confidence: 99%

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Use of EDXRF elemental fingerprinting for discrimination of botanical and geographical origin of Slovenian bee pollen

Lilek¹,

Borovšak²,

Bertoncelj

et al. 2021

X-Ray Spectrometry

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Bee pollen contains proteins, amino acids, carbohydrates, fats, fatty acids, vitamins, polyphenols, and mineral nutrients that make it useful as a good nutritional supplement in the human diet. It has the richest elemental composition among bee products which is not uniform and consequently varies greatly depending on botanical and geographical origin. In polyfloral and selected monofloral bee pollen samples: sweet chestnut, maple, dandelion, rapeseed, flowering ash, buckwheat, common ivy, and plantain, the concentrations of P, S, Cl, K, Ca, Mn, Fe, Zn, Br, Rb, and Sr were determined. A non‐destructive energy dispersive X‐ray fluorescence spectrometry was used for elemental fingerprinting. The most abundant elements in Slovenian bee pollen are K, P, S, Ca, and Cl followed by Fe, Mn, Zn, Rb, Br, and Sr. Several statistically significant differences in the content of analysed elements were found between studied groups according to the botanical and geographical origin which can be related to soil and plant elemental composition and plant metabolism. The obtained data extend our previous chemical profiling of Slovenian bee pollen and contribute to a more precise evaluation of some essential mineral nutrients in bee pollen to cover recommended dietary allowances in human nutrition. Additionally, this work contributes to a better understanding of mineral nutrient requirements in honey bee nutrition and of the environmental and agricultural impact of this product.

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Section: Energy Dispersive X-ray Fluorescence Spectrometrymentioning

confidence: 99%

mentioning

confidence: 99%

Use of EDXRF elemental fingerprinting for discrimination of botanical and geographical origin of Slovenian bee pollen

Lilek¹,

Borovšak²,

Bertoncelj

et al. 2021

X-Ray Spectrometry

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“…(2020), the pollen composition is taken from Basso et al. (2019), the composition of the different insects' species are taken from Köhler et al. (2019), the composition of biomass burning smoke is taken from Yamasoe et al.…”

Section: Resultsmentioning

confidence: 99%

“…Figure 5. Ternary plot, the composition of various marine phytoplankton species are taken from Ho et al (2003); the insect, crustacean, bacteria, fungi, bryophyte, brown algae, and angiosperm compositions are taken from Bowen (1966), the litter composition is taken from Dessert et al (2020), the pollen composition is taken from Basso et al (2019), the composition of the different insects' species are taken from Köhler et al (2019), the composition of biomass burning smoke is taken from Yamasoe et al (2000) and the fresh vegetation composition is taken from Rocha et al (2018). The Figure is made using R with "ggtern" package (Hamilton & Ferry, 2018;R Core Team, 2021).…”

Section: Zincmentioning

confidence: 99%

Atmospheric Deposition Over the Caribbean Region: Sea Salt and Saharan Dust Are Sources of Essential Elements on the Island of Guadeloupe

Dessert

Losno

2022

JGR Atmospheres

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Dust emitted from North Africa is transported over long distances and has a strong impact on large areas over the North Tropical Atlantic Ocean. Sea salt emitted by the sea surface is the second source of essential elements transported in the atmosphere and plays a major role in the cycles of alkaline‐earth metals in the ecosystems of tropical North Atlantic Islands. The total atmospheric deposition fluxes were continuously sampled on a weekly basis in Guadeloupe, Lesser Antilles, from March 2015 to August 2018 (41 months). Elemental deposition fluxes, including Al, Ca, K, Mg, Fe, Na, P, S, and Zn, were measured for all samples to provide the first long time series of atmospheric elemental deposition fluxes over the Lesser Antilles region. It is shown that: (a) the three sources of atmospheric deposits in Guadeloupe for the presented elements are sea salt (for K, Ca, Mg, Na, and S), long‐range transported Saharan dust (for Al, Ca, K, and Fe), and biogenic particles (for P and Zn); (b) the average deposition mass fluxes of sea salt and Saharan dust are 17.4 and 11.2 g.m−2.year−1, respectively, without noticeable inter‐annual variations; (c) a pronounced seasonality is found for the Saharan dust deposition, for which maximum flux values are observed between June and July each year and 85% of the annual deposition flux occurs between April and September; (d) the deposition flux of sea salt is strongly correlated to local wind speed, without seasonality.

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