Herbal antipruritic essential oil and compounding and extracting process

Abstract

The invention relates to herbal antipruritic essential oil. The herbal antipruritic essential oil comprises, by weight, 1 part of German chamomile, 1-100 parts of wormwood, 1-100 parts of honeysuckles, 1-100 parts of roots of lightyellow sophora and 1-100 parts of fruits of common cnidium. A compounding and extracting process of the herbal antipruritic essential oil includes the steps of impurityremoval, preparation of single raw material powder, compounding and pre-mixing, CO2 supercritical crude extraction, and rectification extraction at 90-110 DEG C. The distillation extraction step is divided into two distillation stages; in the first distillation stage, the pressure of injected water vapor is 0.3-0.6 Mpa, and the distillation time is 3-10 minutes; in the second distillation stage, the pressure of the injected water vapor is 0.05-0.2 Mpa, and the distillation time is 70-120 minutes. The herbal antipruritic essential oil is pure natural, free of any chemical additives, convenientto use, highly safe, mild and comfortable and has quick action; the compounding and extracting process of the herbal antipruritic essential oil has high stability and high extraction rate.

Description

technical field [0001] The invention relates to a plant antipruritic essential oil and a compound extraction process, belonging to the field of essential oils. Background technique [0002] At present, antipruritic products on the market mainly include drugs, toilet water, essential oils, etc. Among them, antipruritic drugs are mostly composed of chemically synthesized substances. Although they can achieve an antipruritic effect, they are likely to irritate the skin and cause side effects. Moreover, it tends to have a very strong smell of medicine, which is inconvenient to use; the smell of toilet water and essential oils is pungent, which has a tingling sensation on the skin, is not gentle enough, and has a slow antipruritic effect. Therefore, it is of great value to provide a plant-based antipruritic essential oil that is all-plant, highly safe, mild and comfortable to use, and excellent in antipruritic effect. [0003] Plant essential oil, also known as liquid gold, is t...

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Problems solved by technology

[0004] The plant essential oils provided by the prior art are obtained by extracting and purifying the whole plant or a certain part of a plant, and then compounding different unilateral essential oils in a certain proportion according to the needs, such as CN108245446A , CN104274634B, CN105748321A, etc., the essential oils prepared according to the above methods have relatively single active ingredients, single efficacy, low oil yield of essential oils, low content of active ingredients, etc., and improper use of unilateral essential oils can easily cause skin burns, and it is not gentle enough when used , there are security issues

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