Supercritical Fluid Extraction of Bioactive Compounds from Cystoseira Abies-marina Algae
نویسندگان
چکیده
Supercritical carbon dioxide with ethanol as modifier was employed in the extraction of functional food ingredients from Cystoseira abies-marine algae. Three different types of pre-treatment were employed to prepare the vegetal raw material producing an important effect on extraction yield. The experimental assays were carried out in a semi-continuous extraction cell at 290 bar, 40 °C and using 10% v/v of ethanol as modifier. Extraction yields of ca. 1% were obtained. Antioxidant and antimicrobial activity of the supercritical extracts was determined. In general, all extracts presented high antioxidant activity and high antimicrobial activity against bacteria, meanwhile against yeast or fungus these activities were too much lower.
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