Peony essence and preparation method thereof
A technology of essence and peony, which is applied in pharmaceutical formulations, cosmetic preparations, dressing preparations, etc., can solve the problems of photosensitive and heat-sensitive substance damage of plant extracts, achieve enhanced anti-aging functions, and eliminate the activity of tyrosinase , reduce the effect of pigmentation
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[0028] The present invention will be further described in detail below in conjunction with specific steps. The present invention discloses a preparation method of peony essence, which specifically includes the following steps:
[0029] Step 1, pretreatment of peony petals
[0030] Select the peony flowers from the early blooming period to the full blooming period. The judging criteria for the early blooming period are: the outer petals are unfolded, the inner petals are loose, and the inner petals are still closed; the judging criteria for the blooming period are: the inner petals are unfolded, and the stamens are completely exposed; after picking and stripping the peony petals, wash the peony petals, and place the peony petals in -80°C for 3 hours;
[0031] Step 2, drying of peony petals and preparation of peony flower water
[0032] Take out the refrigerated peony petals, place them in a low-temperature freeze dryer for freeze-drying, the drying temperature is 25°C, and the...
Embodiment 1
[0039]Pick the peony flowers from the early blooming period to the full blooming period, peel off the peony petals, clean the peony petals, store them in -80°C for 3 hours, and freeze-dry them after refrigeration. The peony flower water obtained during the drying process is stored at -4°C Store at low temperature for later use, crush the dried petals through an 80-mesh sieve; put the peony petals into a supercritical extraction kettle for extraction for 90 minutes, the pressure during the extraction process is 350 mbar, the extraction temperature is 40 °C, and the CO 2 The flow rate is 1.5L / min, and the peony flower extract is obtained;
[0040] In terms of parts by mass, prepare 42 parts of water, 10 parts of propylene glycol, 8 parts of squalane, 6 parts of dipotassium glycyrrhizinate, 0.5 parts of hyaluronic acid, 0.5 parts of allantoin, 5 parts of nicotinamide, and 3 parts of oat extract , 1 part of hydrolyzed collagen, 0.5 parts of carbomer, 0.5 parts of triethanolamine, ...
Embodiment 2
[0043] Pick the peony flowers from the early blooming period to the full blooming period, peel off the peony petals, clean the peony petals, store them in -80°C for 3 hours, and freeze-dry them after refrigeration. The peony flower water obtained during the drying process is stored at -4°C Store at low temperature for later use, crush the dried petals through an 80-mesh sieve; put the peony petals into a supercritical extraction kettle for extraction for 90 minutes, the pressure during the extraction process is 350 mbar, the extraction temperature is 40 °C, and the CO 2 The flow rate is 1.5L / min, and the peony flower extract is obtained;
[0044] In terms of parts by mass, prepare 48 parts of water, 9 parts of propylene glycol, 5 parts of squalane, 9 parts of dipotassium glycyrrhizinate, 0.1 part of hyaluronic acid, 1 part of allantoin, 1 part of nicotinamide, and 3 parts of oat extract , 3 parts of hydrolyzed collagen, 0.3 parts of carbomer, 0.3 parts of triethanolamine, 7 pa...
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