Flower Essential Oil Extraction Method

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By: TOM BRANNA

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US Patent No. 9,296,979 B1; Metal Industries Research & Development Centre, Taiwan, has patented a flower essential oil extraction method. It entails placing flowers in a high-pressure treatment tank; introducing a pressurized liquid medium into the high-pressure treatment tank so as to reach a predetermined pressure, wherein the pressure is maintained for a predetermined period of time at a predetermined temperature, then the pressure is reduced to atmospheric pressure. The flowers subject...

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