Ultrahigh-pressure pressure extraction method of peony flower and whitening antioxidant essence prepared thereby
An ultra-high pressure, peony flower technology is applied in the field of antioxidant essence, peony flower ultra-high pressure extract essence, and whitening field, and can solve the problem of not involving the extraction method of peony flower ultra-high pressure extract, the whitening effect, and the index components of the extract. Unclear and other problems, to achieve the effect of high antioxidant and whitening activity, short operation time and simple process
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Embodiment 1
[0035] In this example, 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 example, 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 10000 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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