Phytochemical Findings Evidencing Botanical Origin of New Propolis Type from North‐West Argentina |
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Authors: | Mariela Gonzlez María E García Alberto Slanis Ana Bonini Stephanie Fiedler Laura Faria Eduardo Dellacassa Concetta Condurso Daniel Lorenzo Marcos Russo María L Tereschuk |
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Institution: | Mariela González,María E. García,Alberto Slanis,Ana Bonini,Stephanie Fiedler,Laura Fariña,Eduardo Dellacassa,Concetta Condurso,Daniel Lorenzo,Marcos Russo,María L. Tereschuk |
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Abstract: | Propolis samples from north‐west Argentina (Amaicha del Valle, Tucumán) were evaluated by palynology, FT‐IR spectra, and RP‐HPTLC. In addition, the volatile fraction was studied by HS‐SPME‐GC/MS. The botanical species most visited by Apis mellifera L. near the apiaries were collected and their RP‐HPTLC extracts profiles were compared with propolis samples. In addition, GC/MS was performed for volatile compounds from Zuccagnia punctata Cav. (Fabaceae). FT‐IR spectra and RP‐HPTLC fingerprints of propolis samples showed similar profiles. In RP‐HPTLC analyses, only Z. punctata presented a similar fingerprint to Amaicha propolis. The major volatile compounds present in both were trans‐linalool oxide (furanoid), 6‐camphenone, linalool, trans‐pinocarveol, p‐cymen‐8‐ol, and 2,3,6‐trimethylbenzaldehyde. Potential variations for the Amaicha del Valle propolis volatile fraction as consequence of propolis sample preparation were demonstrated. |
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Keywords: | propolis origin phytochemicals north-west Argentina essential oil phytochemistry Zuccagnia punctata |
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