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Preparation method of olive leaf extract microemulsion containing hydroxytyrosol

A technology of olive leaf extract and hydroxytyrosol, which is applied in the field of biomedicine, can solve problems such as being susceptible to external factors, restricting wide application, and affecting use, and achieves a wide range of applications, enhanced permeability, and strong antioxidant properties. Effect

Inactive Publication Date: 2014-06-18
BANNERBIO NUTRACEUTICALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vast majority of natural ingredients are also susceptible to external factors, such as light, heat, etc., which affect their stable use.
In addition, the solubility in water / oil medium is not ideal, which restricts its wide application

Method used

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  • Preparation method of olive leaf extract microemulsion containing hydroxytyrosol
  • Preparation method of olive leaf extract microemulsion containing hydroxytyrosol
  • Preparation method of olive leaf extract microemulsion containing hydroxytyrosol

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1: Investigation of Solubility of HT Olive Extract in Common Media

[0027] At room temperature, investigate the dissolution of 40% HT olive leaf extract in soybean salad oil, peanut oil, lard and other oils, the results are shown in Table 1:

[0028] Table 1 Dissolution of 40% HT olive leaf extract in different polar solvents

[0029]

[0030] Note: "-" means insoluble, "+" means soluble, and "++" means easily soluble.

[0031] The results showed that the solubility of HT olive leaf extract in commonly used edible oils was good, and the stability of appearance properties could meet the requirements.

Embodiment 2

[0032] Example 2: HT olive leaf extract as an additive in oil production

[0033] The production of oil generally goes through the processes of feeding, hydration, degumming, impurity removal, drying, decolorization, filtration, deodorization, dewaxing, etc., and finally forms a product.

[0034] Before the decolorization process, 20% HT olive leaf extract was added to the oil with a mass fraction of 0.3‰. After the decolorization process of adsorption decolorization, in the decolorization process, the mass fraction ratio of the main adsorbent is: activated clay: activated carbon is 12:1, and the total addition amount is 1% of the total oil amount. The decolorization temperature is 110°C, and the time is 20 minutes. Diatomaceous earth filter is used to make the oil clear and transparent. Appearance, smell and other indicators are in line with national standards, and the storage period is significantly extended.

[0035] Prepare HT-rich olive leaf extract (mass fractio...

Embodiment 3

[0038] Example 3: Preparation of HT Microemulsion

[0039] Add 20 grams of HT olive leaf extract with a mass fraction of 40% to 1 L of pure water, add 0.5 grams of surface active substance gum arabic, and stir. Then homogenize for 5 minutes under the condition of pressure 3000Psi. Then through the process of high-shear micro-jet flow, the machine model M-110S, the pressure is set at 20000Psi, and the extremely small particle HT microemulsion with a diameter of less than 200nm is prepared.

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Abstract

The invention discloses a preparation method of an olive leaf extract microemulsion containing hydroxytyrosol and application of the olive leaf extract microemulsion. The preparation method comprises the following steps of: extracting an olive leaf extract rich in hydroxytyrosol from olive leaves; and carrying out appropriate microemulsion processing on the extract to improve the stability and enlarge the adaptability. The preparation method disclosed by the invention has the outstanding advantage of preparing the olive leaf extract microemulsion product rich in hydroxytyrosol and can be widely applied to the fields of medicines and food. For example, the olive leaf extract microemulsion can be applied to edible fat and oil and is used for preventing the fat and oil from rotting.

Description

technical field [0001] The invention belongs to the technical field of biomedicine, and in particular relates to the preparation and application of olive leaf extract microemulsion rich in hydroxytyrosol. Background technique [0002] How to effectively prevent oil oxidation and deterioration is a worldwide problem. Under the action of oxygen, water, light, heat, microorganisms and other factors, oil will gradually oxidize or hydrolyze and become rancid. The neutral fat will be decomposed into glycerol and fatty acid, or the unsaturated chain in the fatty acid will be broken to form peroxide, and then decomposed into lower fatty acid, aldehydes, ketones and other substances in turn, resulting in odor and peculiar smell. The rancidity and deterioration of oil not only affects its flavor, quality and nutritional value, but also causes damage to cell membranes, tissues, enzymes and genes, endangering human health. Every year in our country, there are many cases of acute food ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/97A61K8/34A61Q19/00A61Q19/08A23D9/06A24B15/30
Inventor 张孝友陈文良周云左小峰
Owner BANNERBIO NUTRACEUTICALS
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