Lauraceae machilus essential oil extract and preparation method, application and medicine composition thereof
A technology of volatile oil and extract, applied in the field of traditional Chinese medicine or natural medicine pharmacy, to achieve the effect of broad-spectrum antibacterial activity and high yield
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Embodiment 1
[0032] An extract of zhennan volatile oil, using zhennan wood as a raw material, extracting zhennan wood by steam distillation, obtaining a crude product of zhennan volatile oil extract, then extracting the crude zhennan volatile oil extract with an organic solvent, and extracting the obtained organic phase After dehydration and evaporation of the solvent, the zhennan volatile oil extract is obtained.
[0033] The preparation method of zhennan volatile oil extract comprises steps:
[0034] S1: Use Zhennan wood as raw material, purify Zhennan wood powder into Zhennan wood powder, the particle size of Zhennan wood powder is 20 mesh, soak Zhennan wood powder in water for 12 hours, when Zhennan wood powder is soaked in water, Zhennan wood powder and The ratio of water is 1:8g / ml, that is, the ratio of the mass of Phoebe zhennan wood powder (in g) to the volume of water (in ml) is 1:8, and then steam distillation is used for extraction, and the extraction time is 5 hours , to obta...
Embodiment 2
[0038] An extract of zhennan volatile oil, using zhennan wood as a raw material, extracting zhennan wood by steam distillation, obtaining a crude product of zhennan volatile oil extract, then extracting the crude zhennan volatile oil extract with an organic solvent, and extracting the obtained organic phase After dehydration and evaporation of the solvent, the zhennan volatile oil extract is obtained.
[0039] The preparation method of zhennan volatile oil extract comprises steps:
[0040] S1: Use Zhennan wood as raw material, purify Zhennan wood powder into Zhennan wood powder, the particle size of Zhennan wood powder is 60 mesh, soak Zhennan wood powder in water for 5 hours, when Zhennan wood powder is soaked in water, Zhennan wood powder and The ratio of water is 1:12g / ml, and then the steam distillation method is used for extraction, and the extraction time is 10 hours to obtain the crude product of Zhennan volatile oil extract;
[0041] S2: The crude extract of zhennan v...
Embodiment 3
[0043] An extract of zhennan volatile oil, using zhennan wood as a raw material, extracting zhennan wood by steam distillation, obtaining a crude product of zhennan volatile oil extract, then extracting the crude zhennan volatile oil extract with an organic solvent, and extracting the obtained organic phase After dehydration and evaporation of the solvent, the zhennan volatile oil extract is obtained.
[0044] The preparation method of zhennan volatile oil extract comprises steps:
[0045] S1: Using Zhennan wood as raw material, purify Zhennan wood powder into Zhennan wood powder. The particle size of Zhennan wood powder is 40 mesh. Soak Zhennan wood powder in water for 8 hours. When Zhennan wood powder is soaked in water, Zhennan wood powder and The ratio of water is 1:10g / ml, and then steam distillation is used for extraction, the extraction time is 9 hours, and the crude product of zhennan volatile oil extract is obtained;
[0046] S2: The crude extract of zhennan volatile...
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