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Chinese wolfberry seed oil microcapsule rich in wolfberry color and preparation method of microcapsule

A technology of wolfberry seed oil and wolfberry red pigment, which is applied in the direction of microcapsule preparation, microsphere preparation, and oil-containing food ingredients, etc., can solve the problems of low bioavailability, reduced nutritional value, unhealthy food application, etc., and achieve environmental protection Pollution and resource waste problems, easy storage, and good stability effects

Pending Publication Date: 2020-11-27
TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent (Application No. 201911029950.6) discloses a method for extracting Lycium barbarum. This method achieves efficient extraction of Lycium barbarum through organic solvent extraction and solid adsorbent adsorption materials. However, organic solvents are used in the extraction method. Not good for food application
[0004] Due to the high content of unsaturated fatty acids in wolfberry seed oil, it is easy to oxidize and become rancid during processing and storage, not only the nutritional value will be greatly reduced and the smell will be unpleasant, and the peroxides, aldehydes and ketones produced at the same time will be harmful to the human body. influences
Lycium barbarum is easy to be affected by light, oxygen, etc., and its stability is poor, and its bioavailability in the body is low

Method used

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  • Chinese wolfberry seed oil microcapsule rich in wolfberry color and preparation method of microcapsule
  • Chinese wolfberry seed oil microcapsule rich in wolfberry color and preparation method of microcapsule
  • Chinese wolfberry seed oil microcapsule rich in wolfberry color and preparation method of microcapsule

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Supercritical CO 2 Determination of extraction conditions

[0026] 1) Grinding and refinement: select the wolfberry seed dregs (cleaned and removed) which are wastes in the processing of wolfberry juice, put them into a pulverizer for crushing for 20-40 minutes, and pass the crushed wolfberry seed powder through a 80-100 mesh sieve.

[0027] 2) Drying and dehydration: spread the wolfberry seed powder sieved in step 1) on a tray, and dry it in an oven at 55°C until it reaches a constant weight.

[0028] 3) Supercritical CO 2 Extraction pressure: fixed CO during the test 2 The flow rate is 40g / L, the extraction temperature is 60°C, and the extraction time is 2.0h. The influence of the extraction pressure on the extraction rate of wolfberry seed pigment is investigated at 150-350bar. The result is that at 200-300bar, the oil yield is about 11.0%. The mass percentage in seeds is about 0.20‰.

[0029] 4) Supercritical CO 2 extract CO 2 Flow rate: During the ...

Embodiment 2

[0036] Embodiment 2: the selection of wolfberry seed oil wall material:

[0037] Table 2 Effect of different wall materials on the embedding rate of Lycium barbarum seed oil

[0038]

[0039] It can be seen from the above table that when the wall material is modified starch (octenyl succinic acid starch ester Hi-CAP100), gum arabic, maltodextrin = 4.5:2.5:1, the embedding rate is significantly higher than other wall material combinations, reaching 92.83%, the obtained medlar seed oil microcapsules are yellow, have no bad smell, have good solubility, and are considered to be the best combination of wall materials.

Embodiment 3

[0040] Embodiment 3: preparation of wolfberry seed oil microcapsules

[0041] The Lycium barbarum seed oil extracted by the supercritical fluid is prepared into powder by microencapsulation technology, and the Lycium barbarum seed oil microcapsule powder is made of 20.0-40.0% core material and 60.0-80.0% wall material, that is, the core material and the The mass ratio of the compound wall material is 1:1.5-1:4, wherein in the compound wall material, the modified starch (octenyl succinic acid starch ester Hi-CAP100), gum arabic, and maltodextrin are 3-1:4 by mass ratio. 6:2-4:1.

[0042] 1) Preparation of wall material solution: mix starch octenyl succinate Hi-CAP100, gum arabic, and maltodextrin with water to make a wall material solution, and starch octenyl succinate Hi-CAP100 in the raw material is 40% , gum arabic 20%, maltodextrin 10%, namely modified starch (octenyl succinic acid starch ester Hi-CAP100), acacia gum, maltodextrin = 4:2:1, form a wall with a solid content ...

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Abstract

The invention provides a Chinese wolfberry seed oil microcapsule rich in wolfberry color and a preparation method of the microcapsule. The method comprises the following steps: using waste Chinese wolfberry seed residues in Chinese wolfberry juice processing as a raw material, extracting Chinese wolfberry seed oil rich in natural wolfberry color from Chinese wolfberry seed coat residues by using supercritical CO2 extraction, coating the Chinese wolfberry seed oil rich in the wolfberry color by using wall materials including starch sodium octenylsuccinate, Arabic gum and maltodextrin, and carrying out spray drying to prepare a wolfberry color microcapsule. According to the Chinese wolfberry seed oil microcapsule rich in the wolfberry color, the wolfberry color accounts for about 0.5% of themass of the Chinese wolfberry seed oil, the embedding rate of the microcapsule reaches 92% or above, and the peroxide value and the acid value of the product are low. The supercritical extraction anda microcapsule technology are combined, the extracted wolfberry color is high in content, and the microcapsule is good in stability and slow release performance, can be applied to the fields of foods, health foods and the like, and has a good industrial application prospect.

Description

technical field [0001] The invention belongs to the technical field of functional oil processing technology and oil microencapsulation, and specifically relates to a wolfberry seed oil microcapsule rich in medlar red pigment and a preparation method thereof. Background technique [0002] Goji berries have a long history in China as a valuable tonic and health food for improving vision and maintaining health. It is said to have the properties of nourishing blood, nourishing yin, nourishing kidney, nourishing liver and moistening lung. In almost all Chinese herbal eye drops, wolfberry is still one of the core ingredients. A large number of carotenoids are accumulated in the mature fruits of Lycium barbarum in Ningxia, especially the content of Zeaxanthin dipalmitate is the most abundant in the seeds of Lycium barbarum, accounting for more than 56-75% of the total amount of pigments. It also contains small amounts of lutein, zeaxanthin, zeaxanthin monopalmitate, beta-carotene...

Claims

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Application Information

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IPC IPC(8): A23D9/007A23D9/04A23D9/06A23L33/115A23P10/30B01J13/02C11B1/10
CPCA23D9/007A23D9/04A23D9/06A23L33/115A23P10/30B01J13/02C11B1/104A23V2002/00A23V2250/18A23V2300/10A23V2250/5118A23V2250/5028A23V2250/5114
Inventor 门燕雍跃文付绍平徐超雍倩朱玥明孙媛霞
Owner TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI
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