Formulation and Stability of a Cosmetic Emulsion Containing Extract of Strawberry
The aim of this research work was to formulate and pharmaceutically evaluate a stable water-in-oil (W/O) cosmetic cream containing fruit extract of Strawberry (Fragaria ananassa). Strawberry is a rich source of vitamin C and other natural antioxidant compounds such as Flavonoids and ellagic acid, which can produce skin moisturizing, whitening, sunscreen, and antiwrinkle effects. A W/O emulsion of active-free and 3% active (Fragaria ananassa fruit extract) were formulated. Liquid paraffin as oil phase and distilled water as aqueous phase were emulsified in the presence of ABILEEM90 as emulsifying agent. Both formulations were kept at different storage conditions i.e., 8 °C (in refrigerator), 25 °C, 40 °C, 40 °C + 75% RH (in incubator) for a period of 28 days in order to study their stability. Different stability parameters i.e., color, liquefaction, phase separation, centrifugation, electrical conductivity and pH at various storage conditions were monitored at different time intervals for 4 weeks study period. It was concluded that both formulations were stable at all the accelerated conditions. However, statistically significant changes were observed in pH of both formulations.
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Document Type: Research Article
Publication date: December 1, 2013
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- Journal of Colloid Science and Biotechnology is an international multidisciplinary peer- reviewed journal covering all aspects of colloid science including colloids preparation, characterization, structure-property relationships, spectroscopy, chemical and physical properties and applications of colloids in biotechnology, medicine and pharmaceuticals. This journal deals with interdisciplinary research areas of chemistry, physics, biology, materials science, polymer science, nanotechnology covering all topics related to colloids such as latexes, emulsions, suspensions, micellar systems, gels, composites, hybrids, surfactants, aerosols, foams, minerals, soft matter, microfluidics, encapsulation processes of active molecules, biomolecules, surfacial and interfacial processes, catalysis, electrochemistry, theoretical aspects, computer simulations and colloids in biotechnology and medicine.
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