Getting Melon Oil by Co2-Extraction
Keywords:
melon, seeds, supercritical carbon dioxide, oil, extraction, temperature, pressure, extract, full factorial experimentAbstract
Uzbekistan is a major producer of melons, including melons. The volume of melon production in 2022 in Uzbekistan will be about 1.3 million tons. The yield of melon seeds is 0.6-2.0% of the fruit mass. Melon seed oil has a pleasant smell, good taste, light yellow color. The oil yield of Central Asian varieties is 51÷54% per kernel. Currently, oil is extracted in Uzbekistan by the so-called "cold" method of pressing seeds. But with this method, half of the oil in the seeds is extracted. An extraction method is used to completely extract the oil from the seeds. One such method is extraction with supercritical carbon dioxide. In the present study, the process of extracting oil from the seeds of a local variety of melon by extraction with supercritical carbon dioxide is considered. The influencing factors on the process were determined and, by means of a full-factorial experiment, the regularity of the process output (residual oil content of melon seed meal) on the temperature and pressure of the extracting was determined. Based on this regularity, rational values of the influencing factors are determined, under which the residual oil content of the meal will be minimal.
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