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Tangerine oil and preparation method and application thereof

A technology of citrus essential oil and citrus peel, which is applied in the production of citrus essential oil with good anti-inflammatory effect and its preparation field, which can solve the problems of poor aroma, poor color, isomerization of aroma components, etc., and achieve good skin anti-inflammatory effect , The effect of safety improvement

Active Publication Date: 2012-07-04
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to this method, the oil cell is immersed in alkaline lime water, saponification reaction occurs, and at the same time, citrus peel is prone to browning reaction under alkaline conditions, so that the aroma of the oil is significantly reduced, and the color is significantly worse.
It is also produced by steam distillation and organic solvent extraction of citrus peels, but the steam distillation method consumes a lot of energy, and high-temperature distillation can easily cause the decomposition, hydrolysis, oxidation, and isomerization of aroma components, reducing the oil quality. Oil with poor aroma and dark color
The organic solvent extraction method has solvent residues, which is not safe

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Fresh citrus peel (produced in Quzhou, Zhejiang), washed and drained. Squeeze with a screw press, and each batch of citrus peel raw materials is 100 kg. When pressing, spray 20 kg of water from the nozzle of the press to obtain 27 kg of juice. Filter the obtained juice with a 100-mesh screen, and add 5% of the filtrate after filtration. salt, stand still for 24 hours, separate the citrus oil of the upper layer, place the citrus oil in a refrigerator at 5°C for 7 days, separate the upper layer citrus essential oil, and obtain 0.96 kg of essential oil. The obtained essential oil was purified by high-vacuum distillation, and the vacuum degree was controlled to 40 Pa. At 90° C., distilled until no distillate was distilled to obtain 0.72 kg of colorless and transparent essential oil. As determined by gas chromatography, the terpene content of the essential oil is 91.8%.

[0019] Detect the anti-inflammatory effect of the skin with the xylene-inflammation method of mice. The...

Embodiment 2

[0021] Fresh citrus peel (produced in Linhai, Zhejiang), wash and drain. Squeeze with a screw press, and each batch of citrus peel raw materials is 100 kg. When pressing, spray 18 kg of water from the nozzle of the press to obtain 28 kg of juice. Filter the obtained juice with an 80-mesh screen, and add 6% of the filtrate after filtration. salt, stand still for 20 hours, separate the citrus oil of the upper layer, put the citrus oil in a refrigerator at 7°C for 9 days, separate the upper layer citrus essential oil, and obtain 0.87 kg of essential oil. The obtained essential oil was purified by high-vacuum distillation, and the vacuum degree was controlled to be 50 Pa. At 90° C., distilled until no distillate was distilled to obtain 0.61 kg of colorless and transparent essential oil. As determined by gas chromatography, the terpene content of the essential oil is 88.5%.

[0022] Detect the anti-inflammatory effect of the skin with the xylene-induced inflammation method of mice...

Embodiment 3

[0024] Fresh citrus peel (produced in Quzhou, Zhejiang), washed and drained. Squeeze with a screw press, and each batch of citrus peel raw materials is 100 kg. When pressing, spray 22 kg of water from the nozzle of the press to obtain 26 kg of juice. Filter the obtained juice with a 120-mesh screen, and add 5% of the filtrate after filtration. salt, stand still for 28 hours, separate the citrus oil in the upper layer, place the citrus oil in a 6°C refrigerator for 8 days, separate the citrus essential oil in the upper layer, and obtain 0.91 kg of essential oil. The obtained essential oil was purified by high-vacuum distillation, and the vacuum degree was controlled to be 40 Pa. At 80° C., distilled until no distillate was distilled to obtain 0.64 kg of colorless and transparent essential oil. As determined by gas chromatography, the terpene content of the essential oil is 89.3%.

[0025] Detect the anti-inflammatory effect of the skin with the xylene-inflammation method of mi...

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Abstract

The invention relates to a tangerine oil, which is prepared according to the steps as follows: (1) adding tangerine peels and water with the mass ratio of 5:0.9-1.1 into a screw extrusion press, pressing and filtering the pressed liquid with an 80-120 meshed screen to obtain filtrate; (2) adding salt accounting for 5-7% of the mass of the filtrate in the filtrate in step (1), mixing evenly, standing for 20-28h, pouring out the tangerine oil at the upper layer, placing in a refrigerating chamber with the temperature of 5-7 DEG C for 7-9 days, separating the upper layer once again to obtain thetangerine oil crude product; and (3) distilling the tangerine oil under reduced pressure at the temperature of 70-90 DEG C and vacuum degree of 40-60 Pa, purifying to obtain the tangerine oil. The invention has the beneficial effects that the prepared tangerine oil is transparent and colorless, has good anti-inflammatory effect on skin, can be used as a solvent for cosmetics and has improved security on human body.

Description

(1) Technical field [0001] The invention relates to a citrus essential oil and its preparation method and application, in particular to the citrus essential oil with better anti-inflammatory effect prepared from citrus peels and its preparation method. (2) Background technology [0002] Citrus essential oil is a pure natural product with high safety and large output, which contains more terpenes. At present, citrus essential oil, as a kind of food spice, is widely used in beverage, jelly and other food processing. Its production method is obtained by directly pressing citrus peels as raw materials. In order to improve the yield, lime water is often used to treat citrus peels to increase the oil yield of citrus peels during pressing, which is called lime water immersion pressing. However, due to this method, the oil cell is immersed in alkaline lime water, saponification reaction occurs, and at the same time, citrus peel is prone to browning reaction under alkaline conditio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B9/02A61K36/752A61K8/97A61P17/00A61P29/00A61K131/00
Inventor 钱俊青郭辉许雅颖麦波
Owner ZHEJIANG UNIV OF TECH
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