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Liquid oil-instant and stable rosemary antioxidant and preparation method thereof

An anti-oxidant, rosemary technology, applied in solid solvent extraction, chemical instruments and methods, essential oils/fragrances, etc., can solve the problems of human body insecurity, inconvenient use, poor physical stability, etc., and achieve good physical stability, High antioxidant activity and easy industrialization

Active Publication Date: 2010-09-15
湖南和广生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former is impossible to obtain oil-soluble and high-quality products because of the chemical properties of the extraction solvent itself, and the products often contain more solvent residues, pesticide residues and heavy metal residues, which are not safe for the human body
[0004] In terms of supercritical carbon dioxide extraction of rosemary antioxidants, so far, although some scholars and enterprises at home and abroad have carried out a lot of research work, the results are far from satisfactory, mainly manifested in poor solubility and poor physical stability of the product. , Inconvenient to use, high cost

Method used

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  • Liquid oil-instant and stable rosemary antioxidant and preparation method thereof
  • Liquid oil-instant and stable rosemary antioxidant and preparation method thereof
  • Liquid oil-instant and stable rosemary antioxidant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The liquid oil instant described in the present embodiment, the preparation method of the stable rosemary antioxidant comprises the following steps:

[0025] (1) After the fresh rosemary leaves are naturally sprouted and dried, dried in the sun or dried with low-temperature hot air, 13.00Kg of rosemary dried leaves are weighed and crushed to 20-60 mesh to obtain powder materials;

[0026] (2) Put the above-mentioned powder material in a 50L supercritical carbon dioxide extraction kettle, set the working pressure of the extraction kettle to 28MPa, the working temperature to 45°C, the working pressure of the first-stage separation kettle to 10MPa, and the working temperature to 45°C, and the second-stage separation The working pressure of the kettle is 5MPa, and the working temperature is 35°C;

[0027] (3) Turn on the carbon dioxide high-pressure pump. After the pressure and temperature of each part reach the set working pressure and working temperature, start to use the...

Embodiment 2

[0031] The liquid oil instant described in the present embodiment, the preparation method of the stable rosemary antioxidant comprises the following steps:

[0032] (1) After the fresh rosemary twigs and shoots are naturally germinated and dried, dried in the sun or dried with low-temperature hot air, 13.00Kg of rosemary dried leaves are weighed and crushed to 60-100 mesh to obtain a powder material;

[0033] (2) Put the above-mentioned powder material in a 50L supercritical carbon dioxide extraction kettle; set the working pressure of the extraction kettle to 32MPa, the working temperature to 55°C, the working pressure of the first-stage separation kettle to 9MPa, the working temperature to 30°C, and the second-stage separation The working pressure of the kettle is 6MPa, and the working temperature is 35°C.

[0034] (3) Turn on the carbon dioxide high-pressure pump. After the pressure and temperature of each part reach the set working pressure and working temperature, start t...

Embodiment 3

[0038] The liquid oil instant described in the present embodiment, the preparation method of the stable rosemary antioxidant oil may further comprise the steps:

[0039] (1) After the fresh rosemary twigs and shoots are naturally germinated and dried, dried in the sun or dried with low-temperature hot air, 10.50Kg of rosemary dried leaves are weighed and crushed to 60-100 mesh to obtain a powder material;

[0040] (2) Put the above-mentioned powder materials in a 50L supercritical carbon dioxide extraction kettle; set the working pressure of the extraction kettle to 32MPa, the working temperature to 45°C, the working pressure of the first-stage separation kettle to 10MPa, and the working temperature to 45°C, and the second-stage separation The working pressure of the kettle is 5MPa, and the working temperature is 30°C;

[0041] (3) Turn on the carbon dioxide high-pressure pump. After the pressure and temperature of each part reach the set working pressure and working temperatu...

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Abstract

The invention discloses a liquid oil-instant and stable rosemary antioxidant and a preparation method thereof. In the method, the rosemary material is adopted as raw material, edible oil is adopted as a carrier cosolvent to assist the supercritical carbon dioxide to strengthen and selectively extract the oxidation resistance active ingredients in the rosemary material, and then the liquid oil-instant and stable rosemary antioxidant and the rosemary essence oil are prepared by one step. The liquid oil-instant and stable rosemary antioxidant can be instant, stable, safe and highly-efficient, and can be directly used for edible oil, foods, health products, medicines, cosmetics and the like. The prepared rosemary essence oil can be directly used as natural perfumes.

Description

technical field [0001] The invention relates to a liquid oil instant and stable rosemary antioxidant and a preparation method thereof. Background technique [0002] Rosemary, native to Europe, is now planted on a large scale in Guizhou, Hunan, Guangxi and other places in my country. The active ingredients - rosemary essential oil and antioxidants - can be extracted from the leaves, flowers and other parts of the plant. Rosemary antioxidants can be divided into two categories: oil-soluble and water-soluble. The active ingredients of oil-soluble antioxidants are mainly terpene phenols such as carnosic acid and carnosol, which are used in animal and vegetable oils, dairy products, oil-rich foods, candies and baked goods, etc., because of their good thermal stability, they can be High temperature resistance of 190°C to 240°C, so it has strong applicability in foods that require higher temperature or high temperature sterilization during the processing of baked food, fried food...

Claims

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Application Information

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IPC IPC(8): C09K15/08B01D11/02C11B9/02
CPCY02P20/54
Inventor 曾健青朱志强黄磊陈瞾
Owner 湖南和广生物科技有限公司
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