O Polypodium leucotomos é um tipo de feto das regiões tropicais e sub-tropicais da América. Possui um longo historial de utilização pela medicina tradicional nas Honduras, nomeadamente para acalmar e proteger a pele.
Estudos realizados mostraram que o Polypodium leucotomos.
- possui efeitos antioxidantes, calmantes e imuno-moduladores;
- protege o ADN;
- ajuda a neutralizar os radicais livres e as espécies reactivas de oxigénio, em especial o anião superóxido;
- propicia a preservação da estrutura dos tecidos cutâneos
Dose diária: 2 cápsulas
Número de doses por caixa: 45 |
Quantidade por dose |
| Extracto 4:1 de folhas de Polypodium leucotomos |
1 000 mg |
| Outros ingredientes: Goma-arábica, farinha de arroz.
|
Cada cápsula vegetal contém 500 mg de extracto 4:1 de folhas de Polypodium leucotomos.
Tomar uma a duas cápsulas diariamente de manhã, 30 minutos antes da exposição solar ou seguir as recomendações do seu terapeuta.
Em caso de exposição ao sol, não dispensa a utilização dos protectores solares tópicos.
- Ramírez-Bosca A, Zapater P, Betlloch I, et al. Polypodium leucotomos extract in dermatitis: a randomized, double-blind, placebo-controlled, multicenter trial. Actas Dermosifiliogr. 2012;103(7):599–607.
- Korman AM, Reynolds KA, Nabhan F, Konda B, Shah MH, Kaffenberger BH.-induced Phototoxic Drug Eruption Treated with Polypodium Leucotomos Extract: A Case Report and Review of the Literature. J Clin Aesthet Dermatol. 2019;12(10):35–38.
- Middelkamp-Hup MA, Pathak MA, Parrado C, et al. Oral Polypodium leucotomos extract decreases ultraviolet-induced damage of human skin. J Am Acad Dermatol. 2004;51(6):910–918. doi:10.1016/j.jaad.2004.06.027.
- Bhatia N. Polypodium leucotomos: a potential new photoprotective agent. Am J Clin Dermatol. 2015;16(2):73–79.
- Capote R, Alonso-Lebrero JL, García F, Brieva A, Pivel JP, González S. Polypodium leucotomos extract inhibits trans-urocanic acid photoisomerization and photodecomposition. J Photochem Photobiol B. 2006;82(3):173–179.
- Palomino, Olga. (2014). Current knowledge in Polypodium leucotomos effect on skin protection. Archives of dermatological research. 307.
- Nestor MS, Berman B, Swenson N. Safety and Efficacy of Oral Polypodium leucotomos Extract in Healthy Adult Subjects. J Clin Aesthet Dermatol. 2015;8(2):19–23.
- Caccialanza M, Percivalle S, Piccinno R, Brambilla R. Photoprotective activity of oral polypodium leucotomos extract in 25 patients with idiopathic photodermatoses. Photodermatol Photoimmunol Photomed. 2007;23(1):46–47.
- Alonso-Lebrero JL, Domínguez-Jiménez C, Tejedor R, Brieva A, Pivel JP. Photoprotective properties of a hydrophilic extract of the fern Polypodium leucotomos on human skin cells. J Photochem Photobiol B. 2003;70(1):31–37.
- Gombau L, García F, Lahoz A, et al. Polypodium leucotomos extract: antioxidant activity and disposition. Toxicol In Vitro. 2006;20(4):464–471.
- González S, Pathak MA. Inhibition of ultraviolet-induced formation of reactive oxygen species, lipid peroxidation, erythema and skin photosensitization by polypodium leucotomos. Photodermatol Photoimmunol Photomed. 1996;12(2):45–56.
- Philips N, Conte J, Chen YJ, et al. Beneficial regulation of matrixmetalloproteinases and their inhibitors, fibrillar collagens and transforming growth factor-beta by Polypodium leucotomos, directly or in dermal fibroblasts, ultraviolet radiated fibroblasts, and melanoma cells. Arch Dermatol Res. 2009;301(7):487–495.
- M.-A. Middelkamp‐Hup, J.-D. Bos, F. Rius‐Diaz, S. Gonzalez, W. Westerhof, Treatment of vitiligo vulgaris with narrow‐band UVB and oral Polypodium leucotomos extract: a randomized double‐blind placebo‐controlled study, J Eur Acad Dermatol Venereol. 2007 Aug;21(7):942-50.
- Gonzalez S. et al., Topical or oral administration with an extract of Polypodium leucotomos prevents acute sunburn and psoralen-induced phototoxic reactions as well as depletion of Langerhans cells in human skin, Photodermatology Photoimmunology & Photomedicine, 1997, 13:50-60.
