Seasonality Role on the Phenolics from Cultivated Baccharis dracunculifolia
2011

The Impact of Seasonality on Phenolic Compounds in Baccharis dracunculifolia

Sample size: 1000 publication 10 minutes Evidence: moderate

Author Information

Author(s): João Paulo B. de Sousa, Mateus F. Leite, Renata F. Jorge, Dimas O. Resende, Ademar A. da Silva Filho, Niege A. J. C. Furtado, Ademilson E. E. Soares, Augusto C. C. Spadaro, Pedro Melillo de Magalhães, Jairo K. Bastos

Primary Institution: Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo

Hypothesis

How does seasonality affect the phenolic compounds in Baccharis dracunculifolia?

Conclusion

The best time to harvest Baccharis dracunculifolia for optimal phenolic compound yield is between December and April.

Supporting Evidence

  • Caffeic acid was detected in all cultivated populations with a mean of 4.0%.
  • AME showed wide variation, with mean values of 0.65 ± 0.13% in the last quarter.
  • Isosakuranetin and artepillin C concentrations increased between 0% and 1.4% and 0% and 1.09%, respectively.
  • The study suggests that harvesting between December and April yields the best results for phenolic compounds.

Takeaway

This study shows that the time of year affects the amount of important chemicals in a plant called Baccharis dracunculifolia, which is used to make a special type of propolis.

Methodology

The study involved cultivating 10 populations of Baccharis dracunculifolia and analyzing the phenolic compounds through monthly sampling over one year.

Limitations

The study focused only on 10 populations and may not represent all variations of Baccharis dracunculifolia.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/ecam/nep077

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