Effect of experimental parameters in the pressurized liquid extraction of brazilian grape seed oil
2013
Freitas, Lisiane dos Santos | Dariva, Claudio | Jacques, Rosângela Assis | Caramão, Elina Bastos
Pressurized liquid extraction (PLE) is a useful technology for performing quick extractions of organic compounds from a variety of matrices. In the presented study, PLE of oil from grape seed was performed, and the effect of varying some experimental parameters, such as solvent, extraction time, flush, amount of sample, number of extraction cycles and temperature, was determined. The yield and the main characteristics of the produced oil were measured. It was found that the solvent choice has an important influence on the mass yield of the grape seed oil when performing PLE. The best yield results were achieved, under all experimental conditions, when using dichloromethane as the extraction solvent. The temperature and the number of extraction cycles also demonstrated an influence on the mass yield of the oil.
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