Colorless, odorless and nontoxic tea-seed oil for cosmetics and preparation method of the tea-seed oil
A technology of tea seed oil and cosmetics, which is applied in the direction of oil/fat refining and fat production, etc. It can solve the problems that tea seed oil cannot be truly colorless, tasteless and non-toxic, the loss of tea seed oil is large, and its practicability is not strong. , to achieve the effects of reducing the loss of tea seed oil, lowering the decolorization temperature, and avoiding sealing and passivation
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Embodiment 1
[0033] A preparation method of colorless, odorless and nontoxic tea seed oil for cosmetics, comprising the steps of:
[0034] (1) Degumming, acidification and alcohol-water extraction: first heat 50kg of tea seed oil to 50°C, then add 3.5kg of hot water at 50°C, stir and mix evenly, and then use hydrochloric acid to adjust the pH of the oil-water mixture 2.5, stirred for 25 minutes, under the condition of stirring, then added 6.5kg of ethanol, and continued to stir for 40 minutes, after the stirring was completed, let it stand for stratification, discard the lower layer of alcohol-water solution and precipitate, and obtain the upper cloudy oil phase, filter to obtain the second The tea seed oil after alcohol-water extraction once; to the tea seed oil after the alcohol-water extraction for the first time, adding the ethanol mass percentage concentration of 1 times of mass multiple is the ethanol-water solution of 65%, according to the first time The method of alcohol-water extr...
Embodiment 2
[0040] A preparation method of colorless, odorless and nontoxic tea seed oil for cosmetics, comprising the steps of:
[0041] (1) Degumming, acidification and alcohol-water extraction: first heat 200kg of tea seed oil crude oil to 55°C, then add 20kg of hot water with a temperature of 55°C, stir and mix evenly, and then use hydrochloric acid to adjust the pH of the oil-water mixture to 2.0, stirring for 40 minutes, under the condition of stirring, add 46kg of ethanol, continue to stir for 40 minutes, after the stirring is completed, let it stand for stratification, discard the lower layer of alcohol-water solution and precipitation, and obtain the upper cloudy oil phase, filter to obtain the first The tea seed oil after alcohol-water extraction; To the tea seed oil after alcohol-water extraction for the first time in gained, add the ethanol-water solution of 1.5 times of ethanol mass percentage concentration of mass multiple, according to alcohol for the first time -The method...
Embodiment 3
[0047] A preparation method of colorless, odorless and nontoxic tea seed oil for cosmetics, comprising the steps of:
[0048] (1) Degumming, acidification and alcohol-water extraction: first heat 1kg of tea seed oil to 45°C, then add 0.04kg of hot water at 45°C, stir and mix evenly, then adjust the pH of the oil-water mixture with hydrochloric acid 3.0, stirred for 10 minutes, under the condition of stirring, then added 0.06kg of ethanol, and continued to stir for 20 minutes, after the stirring was completed, let it stand for stratification, discard the lower layer of alcohol-water solution and precipitation, and obtain the upper layer of turbid oil phase, filter to obtain the second The tea seed oil after an alcohol-water extraction; to the tea seed oil after the alcohol-water extraction for the first time, add the ethanol-water solution with a mass multiple of 0.5 times the ethanol mass percentage concentration of 60%, according to the first The method of alcohol-water extra...
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