A plant extract composition with scalp care effect and its preparation method and application
A plant extract and scalp care technology, applied in the field of plant extract composition and its preparation, can solve problems such as inconvenience, and achieve the effect of simple process, high safety and light color
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Embodiment 1
[0042] (1) Weigh 100g of raw materials according to the following mass ratio: 1g of vitex, 1g of gentian and 98g of Polygonum multiflorum, soak and extract with 500g of 80% ethanol aqueous solution at a temperature of 80°C, the number of extractions is 3 times, The time of soaking and extracting each time is controlled at 48h, and the ethanol extract is obtained by merging;
[0043] (2) The ethanol extract obtained in step (1) is filtered, concentrated to 10 times, and purified and eluted using a macroporous adsorption resin. liquid;
[0044] (3) After concentrating the eluent 45 times, dilute it with an equal volume of ethanol;
[0045] (4) 0.5g tartaric acid is added into containing 500mL water and stirred evenly, makes tartaric acid solution; The eluent that step (3) obtains is added 0.1% tartaric acid solution under the temperature condition of 45 DEG C, stir well, then slowly cool down, stir well , left to stand for 12h to filter, and the first supernatant was collected...
Embodiment 2
[0050] (1) Weigh 100g of raw materials according to the following mass ratio: 98g of vitex, 1g of gentian and 1g of Polygonum multiflorum, soak and extract with 2000g of 90% ethanol aqueous solution at a temperature of 30°C, and the number of extractions is 3 times , the time of soaking and extracting each time is controlled at 2h, and the ethanol extract is obtained by merging;
[0051] (2) The ethanol extract obtained in step (1) is filtered and concentrated to 50 times, and polyamide resin is used for purification and elution, and the eluent used in the elution step is 95% ethanol aqueous solution by volume percentage to obtain the eluent ;
[0052] (3) After concentrating the eluent 45 times, dilute it with an equal volume of ethanol;
[0053] (4) 2.0g tartaric acid is added in 500mL water and stirred evenly, makes tartaric acid solution; The eluent that step (2) obtains is added 0.4% tartaric acid solution under 70 ℃ of temperature conditions, stirs, then slow cooling, s...
Embodiment 3
[0058] (1) Take 100g of raw materials according to the following mass ratio: Vitex 1g, Gentiana 98g and Radix Polygoni Multiflori 1g, soak and extract with 1000g volume percentage of 75% ethanol aqueous solution at a temperature of 55°C, and the extraction times are 3 times, The time of soaking and extracting is controlled at 24 hours each time, and the ethanol extract is obtained by merging;
[0059] (2) The ethanol extract obtained in step (1) is filtered and concentrated to 30 times, and the macroporous adsorption resin is used for purification and elution. The eluent used in the elution step is an ethanol aqueous solution with a volume percentage of 85%. liquid;
[0060] (3) After concentrating the eluent 20 times, dilute it with 2 times the volume of ethanol;
[0061] (4) 50g tartaric acid is added and stirred in 500mL water, and tartaric acid solution is obtained; The eluent that step (2) is obtained is added 10.0% tartaric acid solution under 50 ℃ of temperature condit...
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