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Assessment of different biological capacities of Alpinia speciosa (Pers.) B.L. Burtt and R.M. Sm

1, 1, 1, 1, 2, 1★★ Corresponding author

  1. 1Núcleo de Pesquisa e Inovação em Ciências da Saúde (NUPICS), Universidade Federal de Juiz de Fora, BRAZIL.
  2. 2Núcleo de Pesquisa e Inovação Tecnológica (NUPITE), Universidade Federal de Juiz de Fora, BRAZIL.

CORRESPONDENCE

Nádia Rezende Barbosa Raposo

Núcleo de Pesquisa e Inovação em Ciências da Saúde (NUPICS), Universidade Federal de Juiz de Fora, BRAZIL.

nadiafox@gmail.com

Volume 7, Issue 4s · pp. 500-504 · 2015 · DOI: 10.5530/jyp.2015.4s.13

ABSTRACT

Objective: The present study was undertaken to evaluate antioxidant, depigmenting and photoprotective activities of the hydroalcoholic extract of Alpinia speciosa leaves.Methods: In vitro spectrophotometric methods were used to determine the total phenolic and flavonoids contents and the above mentioned biological capacities.Results: The antioxidant activity for the hydroalcoholic extract of A. speciosa showed a very good result (IC50=7.13 μg mL-1, statistically different from the ascorbic acid reference standard at p<0.05), which can be elucidated by their content of phenolic compounds, such as flavonoids. As for the depigmenting activity, the tyrosinase inhibitory ability demonstrated that the A. speciosa presented IA% lower than 50%, but it also presented a better stability than kojic acid standard. The extract also presented a significant photoprotection for a single UV-filter substance (SPF, UVAPF, Critical Wavelength and UVA/UVB Ratio), and it can be considered a broad-spectrum filter.Conclusion: These data altogether indicate that A. speciosa can have application in cosmeceuticals for aesthetics or degenerative diseases.

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    Lima, R. M., Polonini, H. C., Souza, K. C. D., Brandão, M. A. F., Salgado, I., & Raposo, N. R. B. (2015). Assessment of different biological capacities of Alpinia speciosa (Pers.) B.L. Burtt and R.M. Sm. Journal of Young Pharmacists, 7(4s), 500-504. https://doi.org/10.5530/jyp.2015.4s.13

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    © 2015 Author(s)

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