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Method for preparing perilla oil powder through microencapsulation

A technology of microencapsulation and perilla oil, applied in the field of food processing, can solve the problems of inconvenient carrying of perilla oil, poor protein water solubility, short product shelf life, etc., and achieves good water solubility and stability, and fast film forming speed. , the effect of increasing the density of the capsule wall

Inactive Publication Date: 2013-04-24
TIANJIN UNIV OF COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The microencapsulation of perilla oil endows the product with good fluidity, dispersibility, hydrolysis and stability, and better solves the problems of inconvenient carrying, narrow application range and short shelf life of perilla oil
Prior art, such as patent application CN200810046897.6, adopts protein and polysaccharide as composite wall material to embed perilla oil, but the water solubility of protein is poor, especially it is easy to coagulate near the isoelectric point, and it is easy to change when encountering cold and heat. In the case of perilla oil microcapsules, the control of experimental conditions is relatively strict and the process is complicated

Method used

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  • Method for preparing perilla oil powder through microencapsulation
  • Method for preparing perilla oil powder through microencapsulation
  • Method for preparing perilla oil powder through microencapsulation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Gelatinize starch octenyl succinate in a near-boiling water (90-100°C) water bath for 10 minutes, and cool naturally to room temperature.

[0031] (2) The gelatinized starch octenyl succinate is made into an aqueous solution of starch octenyl succinate with a mass concentration of 30%.

[0032] (3) Add perilla oil to the aqueous solution of starch octenyl succinate at a core-to-wall ratio of 1:5, and then magnetically stir at 60°C to obtain an emulsion.

[0033] (4) Homogenize the emulsion obtained in step (3) at a speed of 13000r / min for 2 minutes to obtain a uniform and stable emulsion.

[0034] (5) Rapidly spray-dry the above-mentioned homogenized emulsion to obtain perilla oil powder. During spray drying, the inlet air temperature is 190°C, the outlet air temperature is 100°C, and the feed flow rate is 55mL / min.

[0035] The scanning electron micrograph of the product obtained in the present embodiment is as follows: figure 1 , 2 shown, from figure 1 , 2 It...

Embodiment 2

[0048] (1) Gelatinize starch octenyl succinate in a near-boiling water (90-100°C) water bath for 10 minutes, and cool naturally to room temperature.

[0049] (2) The gelatinized starch octenyl succinate is made into an aqueous solution of starch octenyl succinate with a mass concentration of 40%.

[0050] (3) Add perilla oil to the aqueous solution of starch octenyl succinate at a core-to-wall ratio of 1:5, and then magnetically stir at 60°C to obtain an emulsion.

[0051] (4) Homogenize the emulsion obtained in step (3) at a speed of 13000r / min for 2 minutes to obtain a uniform and stable emulsion.

[0052] (5) Spray-dry the above-mentioned homogenized emulsion to obtain perilla oil powder. During spray drying, the inlet air temperature is 190°C, the outlet air temperature is 100°C, and the feed flow rate is 55mL / min.

[0053] The perilla oil microcapsule product obtained in Example 2 was observed under a scanning electron microscope and showed rounded particles, smooth surf...

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Abstract

The invention discloses a method for preparing perilla oil powder through microencapsulation, and provides a method for preparing perilla oil powder with simple technology and good water solubility. The method comprises the following steps of: heating to gelatinize starch octenylsuccinate at 90-100 DEG C, and cooling to room temperature; preparing the gelatinized starch octenylsuccinate into an aqueous solution of starch octenylsuccinate with mass concentration of 30-40%; adding perilla oil into the aqueous solution of starch octenylsuccinate, and stirring for emulsification at high temperature to obtain an emulsion; and homogenizing the emulsion, and spray-drying to obtain perilla oil powder. The preparation method disclosed by the invention adopts starch octenylsuccinate as a wall material, does not need addition of an emulsifier and realizes high embedding rate; the operation technology is simple; and the perilla oil powder has good water solubility, good dispersity and good stability. Moreover, the starch octenylsuccinate has low price, the product cost can be lowered, and the product popularization is facilitated.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a method for preparing perilla oil powder by microencapsulation. Background technique [0002] Basil (Perilla frutescens) is widely distributed in my country. It is a traditional medicinal and edible plant in my country. It is also one of the first batch of 60 items that are both food and medicine promulgated by the Ministry of Health. Perilla seeds are rich in vegetable oil. The perilla oil extracted from perilla seeds can significantly inhibit the incidence of breast cancer caused by dimethylbenzanthracene. It has the functions of lowering blood fat, strengthening the brain, improving learning and memory, anti-aging and Allergic effects. The content of α-linolenic acid in perilla oil can be as high as 54%-64%, much higher than other vegetable oils. Linolenic acid is one of the essential fatty acids in the human body. It can be metabolized into EPA and DHA (plant brain...

Claims

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Application Information

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IPC IPC(8): A23L1/29A23P1/04A23L33/00A23P10/30
Inventor 姜子涛陈琳李荣
Owner TIANJIN UNIV OF COMMERCE
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