Marigold lutein supercritical CO2 extraction method
A marigold and supercritical technology, applied in the direction of fat oil/fat production, fat production, organic non-active ingredients, etc., to achieve the effects of increased yield, strong selectivity, and no solvent residue
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Embodiment 1
[0026] 1. After the fermented and granulated marigold granules are dried at room temperature, they are pulverized by a pulverizer.
[0027] 2. Put 200 g of crushed marigold raw materials into the extractor, use supercritical carbon dioxide with a purity of 99%, extract at 40°C at an extraction temperature of 35 MPa, and CO 2 Extraction was carried out for 11 hours at a flow rate of 10 L / h, separation I temperature was 45°C, separation pressure was 10 MPa, separation II temperature was 25°C, and the pressure was the same as that of the storage tank. A total of 19.0 g of lutein-rich marigold oleoresin was obtained.
[0028] 3. Measure the lutein content of the marigold oleoresin rich in lutein obtained from separation I by the FAO method, and calculate that the lutein is 750.36 mg.
Embodiment 2
[0030] 1. After the fermented and granulated marigold granules are dried at room temperature, they are pulverized by a pulverizer.
[0031] 2. Put 200g of the pulverized marigold raw material into the extractor, use supercritical carbon dioxide with a purity of 99%, at a temperature of 50°C, a pressure of 30MPa, CO 2 Extracted for 11 hours under the conditions of flow rate 10L / h, separation I temperature 50°C, separation pressure 12MPa, separation II temperature 25°C, same pressure as the storage tank, 20.2g lutein-rich marigold oleoresin was separated.
[0032] 3. Measure the lutein content of the marigold oleoresin rich in lutein obtained from separation I by the FAO method, and calculate that the lutein is 1023.56 mg.
Embodiment 3
[0034] 1. After the fermented and granulated marigold granules are dried at room temperature, they are pulverized by a pulverizer.
[0035] 2. Put 200g of the pulverized marigold raw material into the extractor, use supercritical carbon dioxide with a purity of 99%, at a temperature of 45°C, a pressure of 35MPa, CO 2 Extracted for 9 hours under the condition of flow rate 15L / h, separation I temperature 60°C, separation pressure 10MPa, separation II temperature 20°C, the same pressure as the storage tank, a total of 18.776g lutein-rich marigold oleoresin was separated.
[0036] 3. Measure the lutein content by the marigold oleoresin obtained from the separation I by the FAO method, and calculate that the lutein is 836.23 mg.
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