Water-soluble nut oil microcapsules rich in Omega-7 and preparation method of water-soluble nut oil microcapsules rich in Omega-7

A technology for nut oil and microcapsules, applied in the field of water-soluble nut oil microcapsules and their preparation, can solve problems such as low yield, achieve the effects of easy storage, simple and easy process, and low processing degree and utilization rate

Active Publication Date: 2018-11-06
SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The human body can also synthesize itself in the liv

Method used

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  • Water-soluble nut oil microcapsules rich in Omega-7 and preparation method of water-soluble nut oil microcapsules rich in Omega-7
  • Water-soluble nut oil microcapsules rich in Omega-7 and preparation method of water-soluble nut oil microcapsules rich in Omega-7
  • Water-soluble nut oil microcapsules rich in Omega-7 and preparation method of water-soluble nut oil microcapsules rich in Omega-7

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1 adopts the following steps to realize the present invention:

[0028] (1) Preparation of mixed fatty acids of macadamia nut oil: Weigh 2kg of macadamia nut oil, add 220.0g KOH and 4L 95% edible alcohol, reflux and stir in a water bath at 75~80℃ for 2~3h to obtain a solution; after the reaction, add 0.2 times the volume of distilled water to promote solution clarification, rotary distillation to remove alcohol, add hydrochloric acid to acidify to pH 2~3, transfer to a separatory funnel to stand for stratification; take the upper organic phase, wash with 5% NaCl water until the pH of the solution is Neutral, to get macadamia oil mixed fatty acids;

[0029] (2) Core material preparation: Weigh 200ml of macadamia nut mixed fatty acids prepared in step (1), 2 Extraction in the fluid fractionation column device, extraction conditions: extraction kettle pressure 200 bar, CO 2 The flow rate is 5L / min, the material feed flow rate is 1mL / min, the temperature field ...

Embodiment 2

[0032] Embodiment 2 adopts the following steps to realize the present invention:

[0033] (1) Preparation of core material: Weigh 200ml of macadamia nut mixed fatty acid prepared in step (1) of Example 1, and store in supercritical CO 2 Fractionation column device for extraction, extraction conditions: extraction kettle pressure 250 bar, CO 2 The flow rate is 7L / min, the material feed flow rate is 1.5mL / min, the temperature field is applied from the bottom to the top of the fractionation column at 40-90°C, and the extraction is for 1 hour to obtain the core material;

[0034] (2) Embedding and shearing emulsification: Maltodextrin and soybean protein isolate (2:1 by mass ratio) are used as compound wall materials, and monoglyceride and sucrose ester (1:1 by mass ratio) are used as compound emulsifiers ; Weigh the core material and compound wall material according to the mass ratio of core material to wall material 1:2, dissolve 20g of compound wall material in 100ml of 60~65°...

Embodiment 3

[0036] Embodiment 3 Adopt the following steps to realize the present invention:

[0037] (1) Preparation of core material: Weigh 200ml of macadamia nut mixed fatty acid prepared in step (1) of Example 1, and store in supercritical CO 2 Extraction conditions of fluid fractionation column device: extraction kettle pressure 200 bar, CO 2 The flow rate is 3L / min, the material feed flow rate is 1.5mL / min, the temperature field is applied from the bottom to the top of the fractionation column at 40-80°C, and the extraction is for 1 hour to obtain the core material;

[0038] (2) Embedding and shearing emulsification: Maltodextrin and soybean protein isolate (2:1 by mass ratio) are used as compound wall materials, and monoglyceride and sucrose ester (1:1 by mass ratio) are used as compound emulsifiers ; Take the core material and compound wall material according to the mass ratio of core material and wall material 1:2, dissolve 20g of compound wall material in 100ml of 60~65°C distil...

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Abstract

The invention discloses water-soluble nut oil microcapsules rich in Omega-7 and a preparation method of the water-soluble nut oil microcapsules rich in Omega-7. The water-soluble nut oil microcapsulesrich in Omega-7 are prepared through the steps of by using Omega-7 components in macadimia nut oil, which are enriched through a supercritical CO2 fractionating column device, as a core material, performing embedding with a capsule material, performing emulsifying with an emulsifying agent, performing high-pressure micro jet homogenizing treatment, and then performing spray freezing and drying toobtain microcapsule powder; and performing packing with opaque medical hollow capsules so as to obtain a macadimia nut oil microcapsule product rich in Omega-7. The macadimia nut oil microcapsules are rich in Omega-7 components, and have multiple advantages of being good in water solubility, good in absorption properties, high in stability and the like. The microencapsulated products can preventthe Omega-7 from being oxidized and disintegrated, original efficacy characteristics can be maintained easily, the problems that unsaturated fatty acids are easy to oxidize and difficult to store, pack and transport, the macadimia nut oil is low in processing degree and utilization rate, and the economy added value is low, are solved, and the product competition force and the added value are increased. The preparation method is simple and easy to operate, and industrialization is easy to realize.

Description

technical field [0001] The invention relates to a microcapsule, in particular to a water-soluble nut oil microcapsule rich in Omega-7 and a preparation method thereof, and belongs to the technical fields of functional oil processing technology and oil microencapsulation. Background technique [0002] Macadamia nut oil contains a variety of active ingredients, which can effectively reduce "bad" cholesterol and increase "good" cholesterol. However, macadamia nut oil is insoluble in water, and it is not easy to mix evenly with food raw materials. It is extremely inconvenient for industrial use. Its active ingredients are unstable and easy to Oxidation, its application is greatly limited. In addition, macadamia nut oil is liquid and has a single product, so it is necessary to develop a variety of products to meet the needs; macadamia nut oil is microencapsulated, which is easier to store and keep, will not oxidize and deteriorate, and is simple, convenient and fast to eat. At p...

Claims

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Application Information

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IPC IPC(8): A23L33/00
CPCA23V2002/00A23L33/00A23V2200/30
Inventor 涂行浩杜丽清曾辉陈海芳帅希祥张明马飞跃
Owner SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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