Zingiber purpureum Rosc. volatile oil extracted through supercritical carbon dioxide and preparation method and application of Zingiber purpureum Rosc. volatile oil
A carbon dioxide, purple ginger technology, applied in cosmetic preparations, cosmetic preparations, medical preparations containing active ingredients, etc., can solve problems such as lack of extraction technology and activity research
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[0021] In combination with specific examples and experimental studies, the technical scheme of the present invention and its effects are further clarified. These examples are only used to illustrate the present invention and not to limit the scope of the present invention.
[0022] 1. Preparation method of purple ginger volatile oil:
[0023] The specific parameters of the 16 embodiments are shown in Table 1. The specific steps are as follows:
[0024] (1) Processing of purple ginger raw materials: Wash the fresh purple ginger tubers, remove impurities, dry in the shade, crush, sieving, and obtain purple ginger powder for use;
[0025] (2) Supercritical carbon dioxide extraction of purple ginger: Put the purple ginger powder obtained in step (1) into an extraction kettle, add 50-100 mL of anhydrous ethanol as an entrainer, and stir evenly;
[0026] (3) Set carbon dioxide flow rate to 20~35L / h, extraction pressure to 20~35Mpa, extraction temperature to 45~60℃, extraction time to 1.5~3h,...
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