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- Title
Glucosinolates as Markers of the Origin and Harvesting Period for Discrimination of Bee Pollen by UPLC-MS/MS.
- Authors
Ares, Ana M.; Tapia, Jesús A.; González-Porto, Amelia V.; Higes, Mariano; Martín-Hernández, Raquel; Bernal, José
- Abstract
Bee pollen is currently one of the most commonly consumed food supplements, as it is considered to be a good source of bioactive substances and energy. It contains various health-promoting compounds, such as proteins, amino acids, lipids, as well as glucosinolates. In the present study, the glucosinolate content was determined, by means of ultra-performance liquid chromatography coupled to a quadrupole time-of-flight mass detector, in 72 bee pollen samples from four different apiaries in Guadalajara (Spain), harvested in three different periods. In addition, 11 commercial multifloral samples from different Spanish regions were also analyzed. The aim was to verify the suitability of these compounds as biomarkers of their geographical origin, and to test their potential for distinguishing the harvesting period. By means of a canonical discriminant analysis, it was possible to differentiate the apiary of origin of most of the samples, and these could also be clearly differentiated from the commercial ones, simply as a result of the glucosinolate content. In addition, it was also demonstrated for the first time that bee pollen samples were capable of being differentiated according to the time of harvesting and their glucosinolate content.
- Subjects
BEE pollen; GLUCOSINOLATES; DISCRIMINANT analysis; DIETARY supplements; LIQUID chromatography; HARVESTING time
- Publication
Foods, 2022, Vol 11, Issue 10, pN.PAG
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods11101446