2024-03-28T22:21:05Zhttps://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/559672022-10-17T19:00:38Zcom_10324_28542com_10324_952com_10324_894col_10324_28543
Ares Sacristán, Ana María
aead015fb7d152c2
600
Toribio Recio, Laura
c9250d01f3cdf8da
600
0000-0002-7104-679X
Tapia García, Jesús Alberto
296ab3ba164986dc
600
0000-0001-6750-560X
González Porto, Amelia Virginia
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600
Higes Pascual, Mariano
aeace277-3f4a-44b4-87e3-c6840e3a2d98
600
Martín Hernández, Raquel
ea337eb2-b5c6-45e4-bb86-20d7cfab0151
600
Bernal del Nozal, José
2377323585c4923e
600
0000-0002-8618-3543
2022-10-17T08:46:58Z
2022-10-17T08:46:58Z
2022
Food Bioscience, 2022, vol. 50, part A, 102092
2212-4292
https://uvadoc.uva.es/handle/10324/55967
10.1016/j.fbio.2022.102092
Producción Científica
Bee pollen is currently one of the most widely consumed dietary supplements due to its high nutritional value and its potentially beneficial effects on health. Unfortunately, in recent years an increase in the fraudulent marketing of this product has been detected, mainly in terms of adulteration with pollen from other sources. This has made it necessary to seek new tools to ensure its authentication. Therefore, this study investigates the use of free amino acids as markers of the geographical origin and harvesting period of bee pollen. To demonstrate their potential as biomarkers, 72 samples from four apiaries (Pistacho, Tío Natalio, Monte and Fuentelahiguera), located in the same geographical area (Marchamalo, Guadalajara, Spain), were analyzed by liquid chromatography-fluorescence detection, with the data obtained undergoing canonical discriminant analysis. Variable amounts and numbers of free amino acids were found in the samples analyzed; proline predominated in all of them, in a concentration range of 298–569989 mg/kg. The differences observed in amino acid composition could be attributed to the flowering plants from which the bee pollen samples originated. In addition, it was possible to statistically assign over 75% of the samples to the corresponding apiary of origin, the best results being obtained for the Fuentelahiguera and Tío Natalio apiaries (100%); this classification was even superior in the case of the harvesting periods, as more than 90% of the samples were correctly assigned, and in one period (June) a 100% rate was obtained.
Ministerio de Economía, Industria y Competitividad (projects RTA 2015-00013-C03-01 and RTA 2015-00013-C03-03)
application/pdf
eng
Elsevier
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
© 2022 The Authors
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Bee pollen
Polen de abeja
Biomarkers
Biomarcadores
Differentiation of bee pollen samples according to the apiary of origin and harvesting period based on their amino acid content
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
https://www.sciencedirect.com/science/article/pii/S2212429222005521?via%3Dihub
SI
THUMBNAIL
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license.txt
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https://uvadoc.uva.es/bitstream/10324/55967/3/license.txt
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Differentiation-bee-pollen-samples.pdf
Differentiation-bee-pollen-samples.pdf
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oai:uvadoc.uva.es:10324/55967
2022-10-17 21:00:38.619
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repositorio@uva.es
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