A kind of ultra-high pressure extraction method of peony flower and the whitening and anti-oxidation essence prepared therefrom
A technology of ultra-high pressure and peony flowers, which is applied in cosmetics, cosmetic preparations, dressing preparations, etc., can solve the problems that are not involved in the extraction method of peony flower ultra-high pressure extract, the whitening effect, and the unclear index components of the extract, etc. , to achieve high antioxidant and whitening activity, short operation time and simple process
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Embodiment 1
[0035] In this embodiment, 10 g of peony samples were weighed, transferred to a polyethylene plastic bag, sealed after adding 100 mL of solvent, set a certain pressure of 100 MPa, and carried out ultra-high pressure extraction for 1 min, after pressure relief, filtered, and centrifuged at 8000 r / min for 5 min. The supernatant is the essence. Wherein, the solvent is 98.5% by volume of water, 0.5% by volume of glycerin, 0.5% by volume of 1,2-propanediol, 0.5% by volume of 1,3-butanediol, gallic acid, large The contents of cosmoside were 7.21, 12.3 mg / g, and the inhibition rates of DPPH free radical, superoxide anion and tyrosinase were 51.3%, 47.6% and 68.1%.
Embodiment 2
[0037] In this embodiment, 10 g of peony samples were weighed, transferred to a polyethylene plastic bag, sealed after adding 200 mL of solvent, set a certain pressure of 200 MPa, and carried out ultra-high pressure extraction for 1 min. After pressure relief, filtered, centrifuged at 10,000 r / min for 5 min, The supernatant is the essence. Wherein, the solvent is 55% by volume of water, 10% by volume of glycerin, 20% by volume of 1,2-propanediol, 15% by volume of 1,3-butanediol, gallic acid, large The contents of cosmoside are 8.55, 20.5 mg / g, and the inhibition rates of DPPH free radical, superoxide anion and tyrosinase are 85.3%, 82.7% and 94.6%.
Embodiment 3
[0039]In this example, 10 g of peony samples were weighed, transferred to a polyethylene plastic bag, sealed after adding 300 mL of solvent, set a certain pressure of 300 MPa, and carried out ultra-high pressure extraction for 1 min, after pressure relief, filtered, and centrifuged at 8000 r / min for 5 min. The supernatant is the essence. Wherein, the solvent is 60% by volume of water, 10% by volume of glycerin, 15% by volume of 1,2-propanediol, 15% by volume of 1,3-butanediol, gallic acid, large The contents of cosmoside are 8.25, 19.8 mg / g, and the inhibition rates of DPPH free radical, superoxide anion and tyrosinase are 81.4%, 79.6% and 90.5%.
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