Sea buckthorn seed oil and preparing method thereof
A technology of seabuckthorn seed oil and seabuckthorn, applied in the field of seabuckthorn, can solve problems such as failure to meet market demand, residual organic solvents in seabuckthorn oil, poor product quality, etc.
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Embodiment 1
[0027] Example 1 , the seabuckthorn seed oil is obtained by the following preparation method: in the first step, the seabuckthorn crude oil is heated at a temperature of 38 °C to 42 ℃, the pressure is 18MPa to 22MPa Next, use super / subcritical equipment, conduct CO 2 extraction 1.5h to 2.5h , to obtain the extract after extraction; in the second step, the extract is subjected to primary separation and secondary separation to obtain seabuckthorn seed oil.
Embodiment 2
[0028] Example 2 , the seabuckthorn seed oil is obtained by the following preparation method: in the first step, the seabuckthorn crude oil is heated at a temperature of 38 ℃ or 42 ℃, the pressure is 18MPa or 22MPa Next, use super / subcritical equipment, conduct CO 2 extraction 1.5h or 2.5h , to obtain the extract after extraction; in the second step, the extract is subjected to primary separation and secondary separation to obtain seabuckthorn seed oil.
Embodiment 3
[0029] Example 3 , as the optimization of the above-mentioned embodiment, in the first step, seabuckthorn crude oil is heated at a temperature of 40 ℃, the pressure is 20MPa Next, use super / subcritical equipment, conduct CO 2 extraction 2h , to obtain the extract after extraction.
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