Food-grade pumpkin seed oil microemulsion and preparation method thereof

A technology of pumpkin seed oil and microemulsion, which is applied in the fields of edible oil/fat, food science, application, etc., can solve the problems such as the inability to obtain a uniform microemulsion system, and achieve the advantages of enhancing oxidation stability, solving low solubility and promoting stability. Effect

Active Publication Date: 2015-11-18
YANTAI MAIFENG FOOD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] When the surfactant and co-surfactant system used in the above patents are used in the preparation of pumpkin seed oil microemulsion, a uniform microemulsion system cannot be obtained (see comparative example), so it is necessary to find a suitable food-grade pumpkin seed oil microemulsion

Method used

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  • Food-grade pumpkin seed oil microemulsion and preparation method thereof
  • Food-grade pumpkin seed oil microemulsion and preparation method thereof

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Effect test

Embodiment 1

[0022] Embodiment 1, a kind of food-grade pumpkin seed oil microemulsion is made of six polyglycerol monolaurate and Span series surfactant mixture 23Kg, nanometer SiO 2 0.2Kg, pumpkin seed oil 10Kg, water 66.8Kg composition, wherein the mass ratio of hexapolyglycerol monolaurate and span series surfactant is 4:1, the preparation method of present embodiment pumpkin seed oil microemulsion is: Under the condition of continuous stirring, the stirring rate is 200rpm. First add the mixture of hexapolyglycerol monolaurate and Span series surfactant into the mixing kettle. The Span series surfactant is Span80, then add pumpkin seed oil, and finally add Dissolved with nano-SiO 2 The aqueous solution, to obtain a transparent, uniform system is the desired microemulsion system.

Embodiment 2

[0023] Embodiment 2, a kind of food-grade pumpkin seed oil microemulsion is made of six polyglycerol monolaurate and Span series surfactant mixture 30Kg, nanometer SiO 2 0.5Kg, pumpkin seed oil 30Kg, water 39.5Kg, wherein, the mass ratio of six polyglycerol monolaurate and span series surfactant is 5:1; The preparation method of present embodiment pumpkin seed oil microemulsion is: Under the condition of continuous stirring, the stirring speed is 300rpm. First add the mixture of hexapolyglycerol monolaurate and Span series surfactants into the mixing tank. The Span series surfactants are the mixture of Span80 and Span60 in any proportion, and then add Pumpkin seed oil, finally added with nano-SiO 2 The aqueous solution, to obtain a translucent, uniform system is the desired microemulsion system. figure 2 The data showed that the oxidation stability of pumpkin seed oil in the microemulsion was significantly improved.

Embodiment 3

[0024] Embodiment 3, a kind of food-grade pumpkin seed oil microemulsion is made of six polyglycerol monolaurate and Span series surfactant mixture 16Kg, nanometer SiO 2 0.1Kg, pumpkin seed oil 4Kg, water 79.9Kg, wherein the mass ratio of hexaglycerol monolaurate to Span series surfactants is 10:1. The preparation method of the pumpkin seed oil microemulsion in the present embodiment is: under the situation of continuous stirring, stirring speed is 400rpm, in mixing kettle, add hexaglycerol monolaurate and Span series surfactant mixture earlier, Pan series surfactants are a mixture of Span80, Span60, Span40, and Span20 in any proportion, then add pumpkin seed oil, and finally add nano-SiO 2 The aqueous solution, to obtain a transparent, uniform system is the desired microemulsion system.

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Abstract

The present invention discloses a food-grade pumpkin seed oil microemulsion and a preparation method thereof. The microemulsion is composed of hexaglycerol monolaurate and Span series surfactant mixture 0.2-30 parts (mass ratio, 3-10 : 1), nanoscale silicon dioxide 0.1-0.5 part, pumpkin seed oil 0.2-30 parts and water 39.5-99.5 parts. The microemulsion is characterized in that: the nanoscale silicon dioxide is added into the microemulsion; solubilization of the oil phase is expanded; solubility of pumpkin seed oil in water reaches 30%; the microemulsion is transparent or semitransparent, and stable for long time placement without precipitation or stratification.

Description

technical field [0001] The invention belongs to the technical field of edible oil microemulsion and its preparation method in the field of food technology, and in particular relates to a food-grade pumpkin seed oil microemulsion and its preparation method. Background technique [0002] Pumpkin seed oil is rich in essential fatty acids, amino acids, phytosterols, carotene, minerals, vitamins and polysaccharides and other nutrients. It can not only significantly reduce serum cholesterol and triglyceride, but also get rid of parasites and prevent prostate disease. Due to its unique fragrance and rich nutrition, pumpkin seed oil has become very popular abroad as a new type of health care oil in recent years. Although pumpkin seeds are a commonly used food in China with a huge output, pumpkin seed oil has not been widely used. [0003] Like ordinary edible oil, pumpkin seed oil is insoluble in water, so its application range and product form are greatly limited. Microemulsions...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23D9/04
Inventor 宫俊杰
Owner YANTAI MAIFENG FOOD
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