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Extraction of oil from pumpkin seed with supercritical CO_2 fluid

Wenshui Xia

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Abstract

Extraction of oil from pumpkin seed with supercritical carbon dioxide was studied.The effects of CO_2 flow and extracting pressure, temperature, time on the extraction rates of pumpkin seeds oil were investigated, And the quality of pumpkin oil was also detected.The results showed that the optimum conditions of extraction technique with Supercritical CO_2 were at 30 MPa, 30 kg/h, 45 ℃, 180 min. Extraction rate can be up to 95.24%. The obtained oil is of pale yellow color and clear with right pure flavour, and the quality of product very similar to pure refined oil.

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What this paper is about

Extraction of oil from pumpkin seed with supercritical carbon dioxide was studied.The effects of CO_2 flow and extracting pressure, temperature, time on the extraction rates of pumpkin seeds oil were investigated, And the quality of pumpkin oil was also detected.The results showed that the optimum conditions of extraction technique with Supercritical CO_2 were at 30 MPa, 30 kg/h, 45 ℃, 180 min. Extraction rate can be up to 95.24%. The obtained oil is of pale yellow color and clear with right pure flavour, and the quality of product very similar to pure refined oil.

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Available abstract

Extraction of oil from pumpkin seed with supercritical carbon dioxide was studied.The effects of CO_2 flow and extracting pressure, temperature, time on the extraction rates of pumpkin seeds oil were investigated, And the quality of pumpkin oil was also detected.The results showed that the optimum conditions of extraction technique with Supercritical CO_2 were at 30 MPa, 30 kg/h, 45 ℃, 180 min. Extraction rate can be up to 95.24%. The obtained oil is of pale yellow color and clear with right pure flavour, and the quality of product very similar to pure refined oil.

Key concepts: Supercritical carbon dioxide, Pumpkin seed, Extraction (chemistry), Supercritical fluid, Supercritical fluid extraction, Chemistry, Chromatography, Flavour

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