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Physical and physicochemical stability evaluation of cosmetic formulations containing soybean extract fermented by Bifidobacterium animalis / Avaliação da estabilidade física e físico-química de formulações cosméticas contendo extrato de soja fermentado por Bifidobacterium animalis
Vieira, Rafael Pinto; Fernandes, Alessandra Ribeiro; Kaneko, Telma Mary; Consiglieri, Vladi Olga; Pinto, Claudinéia Aparecida Sales de Oliveira; Pereira, Claudia Silva Cortez; Baby, André Rolim; Velasco, Maria Valéria Robles.
  • Vieira, Rafael Pinto; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
  • Fernandes, Alessandra Ribeiro; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
  • Kaneko, Telma Mary; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
  • Consiglieri, Vladi Olga; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
  • Pinto, Claudinéia Aparecida Sales de Oliveira; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
  • Pereira, Claudia Silva Cortez; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
  • Baby, André Rolim; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
  • Velasco, Maria Valéria Robles; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. Laboratory of Cosmetology. São Paulo. BR
Braz. j. pharm. sci ; 45(3): 515-525, July-Sept. 2009. graf, tab
Article in English | LILACS | ID: lil-533180
ABSTRACT
Peel off facial masks, based on polyvinyl alcohol (PVA), are formulations that, after application and drying, form an occlusive film over the face. After removing, they provide cleanness, tensor and moisturizing effects, removing dead cells, residues and other materials deposited on the stratum corneous. The soybean extract fermented by Bifidobacterium animalis has sugars, amino acids, peptides, proteins and free isoflavonoids in high concentrations, when compared to the unfermented extract, providing benefits to the cosmetic formulations like anti-aging effect, moisture, tensor action and emollience. The cosmetic bases of peel off facial masks, added with 5.0 percent w/w of fermented soybean extract, were submitted to Preliminary and Accelerated Stability Studies. Eight (8) preparations were evaluated in several conditions of temperature (-10.0, 5.0, 22.0 and 45.0 ºC) and time (maximum of 15 days), comparing the results with the initial condition (48 h after preparation). The variables observed were organoleptic characteristics, pH and appearing viscosity value and film drying time. The preparation containing 17.0 percent w/w of PVA and 0.5 percent w/w of guar gum was selected between the eight preparations initially prepared, because it presented the best performance in the stability test, being recommended storage at low temperatures (5.0 ºC).
RESUMO
As máscaras faciais peel off a base de álcool polivinílico (PVA) são formulações que, após a aplicação e secagem, formam um filme oclusivo sobre a face e, após sua remoção, conferem limpeza, ação tensora e hidratação à pele, retirando células mortas do estrato córneo, resíduos e outros materiais depositados. O extrato de soja fermentado por Bifidobacterium animalis possui açúcares, aminoácidos, peptídeos, e alto teor de isoflavonas na forma livre, quando comparado ao leite não fermentado, propiciando benefícios às formulações cosméticas, como ação antienvelhecimento, hidratação, efeito tensor e emoliência. As bases cosméticas de máscaras faciais peel off, acrescidas de extrato de soja fermentado 5,0 por cento p/p, foram submetidas aos ensaios de Estabilidade Preliminar e Acelerada, avaliando-se 8 preparações em diversas condições de temperatura (-10,0; 5,0; 22,0 e 45,0 ºC) e tempo (máximo de 15 dias), em relação à condição inicial (48 h após o preparo). As variáveis observadas envolveram características organolépticas, valor de pH, viscosidade aparente e tempo de secagem do filme. A preparação contendo 17,0 por cento p/p de PVA e 0,5 por cento p/p de goma guar foi a selecionada dentre as oito preparações elaboradas inicialmente, por ter apresentado melhor desempenho no teste de estabilidade, sendo recomendado o armazenamento em temperatura reduzida (5,0 ºC).
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Glycine max / Bifidobacterium / Cosmetic Stability Type of study: Evaluation studies Language: English Journal: Braz. j. pharm. sci Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Glycine max / Bifidobacterium / Cosmetic Stability Type of study: Evaluation studies Language: English Journal: Braz. j. pharm. sci Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR