2026-04-10T19:37:16Zhttps://uvadoc.uva.es/oai/request

oai: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 5c964c6b-dd86-43de-be5e-efa75586a991 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 Differentiation-bee-pollen-samples.pdf.jpg Differentiation-bee-pollen-samples.pdf.jpg IM Thumbnail image/jpeg 5024 https://uvadoc.uva.es/bitstream/10324/55967/4/Differentiation-bee-pollen-samples.pdf.jpg 8d44d86583f66838c90f18f60f7735a6 MD5 4 LICENSE license.txt license.txt text/plain 3929 https://uvadoc.uva.es/bitstream/10324/55967/3/license.txt 289d98c1665ee0d20312360f0e8643c8 MD5 3 CC-LICENSE license_rdf license_rdf application/rdf+xml; charset=utf-8 817 https://uvadoc.uva.es/bitstream/10324/55967/2/license_rdf 975848b171c53b753f7e445c8b5bc0e1 MD5 2 ORIGINAL Differentiation-bee-pollen-samples.pdf Differentiation-bee-pollen-samples.pdf application/pdf 1694859 https://uvadoc.uva.es/bitstream/10324/55967/1/Differentiation-bee-pollen-samples.pdf 4f9bd832d0711a750aa1ebc3ab101d65 MD5 1 10324/55967 oai:uvadoc.uva.es:10324/55967 2022-10-17 21:00:38.619 UVaDOC repositorio@uva.es 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