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A kind of water-soluble nut oil microcapsule rich in omega-7 and preparation method thereof

A technology for nut oil and microcapsules, applied in the field of water-soluble nut oil microcapsules and preparation thereof, can solve the problems of low yield and the like, and achieve the effects of easy storage, simple and easy process, and avoiding oxidative deterioration.

Active Publication Date: 2021-08-17
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 liver and fat cells, but the production is also very low

Method used

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  • A kind of water-soluble nut oil microcapsule rich in omega-7 and preparation method thereof
  • A kind of water-soluble nut oil microcapsule rich in omega-7 and preparation method thereof
  • A kind of water-soluble nut oil microcapsule rich in omega-7 and preparation method thereof

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°C for 2~3h to obtain a solution; after the reaction, add the solution 0.2 times the volume of distilled water to promote the clarification of the solution, remove the alcohol by rotary distillation, add hydrochloric acid to acidify to pH 2~3, transfer to the separatory funnel to stand for stratification; take the upper organic phase, wash with 5% NaCl water until the pH of the solution is neutral properties, to obtain macadamia nut 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 ...

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 a macadamia nut oil microcapsule rich in Omega-7 and a preparation method thereof. The present invention uses supercritical CO 2 The fractionation column device enriches the Omega-7 components in macadamia nut oil as the core material, which is encapsulated by capsule material, emulsified by emulsifier, homogenized by high-pressure micro-jet, and then sprayed and freeze-dried to obtain microcapsule powder. Packaged in hollow capsules to produce Omega‑7-rich macadamia oil microcapsules. The macadamia nut oil microcapsules of the present invention are rich in Omega-7 components, and have many advantages such as good water solubility, good absorption and strong stability; the product after microencapsulation can avoid Omega-7 oxidative deterioration, and is easy to maintain its original With functional properties, it solves the problems of easy oxidation of unsaturated fatty acids, difficulties in storage, packaging and transportation, low processing degree and utilization rate of macadamia nut oil, and low economic added value, and improves product competitiveness and added value. The preparation method of the invention is simple and easy to implement and easy to realize industrialization.

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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Patent Type & Authority Patents(China)
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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