Changes of microorganism composition in fresh and stored bee pollen from Southern Germany.
Bee pollen
Microorganism composition
Pollen quality
Pollen spoilage
Journal
Environmental science and pollution research international
ISSN: 1614-7499
Titre abrégé: Environ Sci Pollut Res Int
Pays: Germany
ID NLM: 9441769
Informations de publication
Date de publication:
Sep 2021
Sep 2021
Historique:
received:
22
12
2020
accepted:
09
04
2021
pubmed:
25
4
2021
medline:
27
8
2021
entrez:
24
4
2021
Statut:
ppublish
Résumé
Analysis of plant pollen can provide valuable insights into the existing spectrum of microorganisms in the environment. When harvesting bee-collected pollen as a dietary supplement for human consumption, timely preservation of the freshly collected pollen is fundamental for product quality. Environmental microorganisms contained in freshly collected pollen can lead to spoilage by degradation of pollen components. In this study, freshly collected bee pollen was sampled at different locations and stored under various storage conditions to examine the hypothesis that storage conditions may have an effect on the composition of microorganisms in pollen samples. The samples were analyzed using 16S and 18S amplicon sequencing and characterized by palynological analysis. Interestingly, the bacterial communities between pollen samples from different locations varied only slightly, whereas for fungal community compositions, this effect was substantially increased. Further, we noticed that fungal communities in pollen are particularly sensitive to storage conditions. The fungal genera proportion Cladosporium and Mycosphaerella decreased, while Zygosaccharomyces and Aspergillus increased during storage. Aspergillus and Zygosaccharomyces fractions increased during storage at 30 °C, which could negatively impact the pollen quality if it is used as a dietary supplement.
Identifiants
pubmed: 33893577
doi: 10.1007/s11356-021-13932-4
pii: 10.1007/s11356-021-13932-4
pmc: PMC8692275
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
47251-47261Commentaires et corrections
Type : ErratumIn
Informations de copyright
© 2021. The Author(s).
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