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Preparation method of high-temperature resistant microencapsulation turmeric essential oil biological bacteriostatic agent

A technology of biological antibacterial agent and turmeric essential oil, which is applied in capsule delivery, pharmaceutical formula, food science, etc., can solve the problems of inability to protect turmeric essential oil, easy water absorption, swelling and rupture, unstable microcapsules, etc., and achieve cost-effective consumption Safe, excellent interface properties, good effect of sphericity

Active Publication Date: 2014-03-05
BOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the most commonly used microcapsule technology in the food industry is the spray drying method, but the microcapsules prepared by the spray drying method are very unstable under high temperature and high humidity processing or storage conditions, and the glassy capsule wall is very easy to absorb water, swell and break , resulting in the release of the core material, which cannot protect the turmeric essential oil well and exert its long-term antibacterial effect

Method used

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  • Preparation method of high-temperature resistant microencapsulation turmeric essential oil biological bacteriostatic agent

Examples

Experimental program
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Effect test

Embodiment 1

[0015] 1. Using gelatin and peach gum as wall materials, dissolve 1g of gelatin and 1g of peach gum in 400mL of water at 40°C to obtain a wall material solution;

[0016] 2. Add 1g of turmeric essential oil into the wall material solution, and emulsify with a high-speed dispersing homogenizer, the emulsification speed is 10000rpm, and the time is 3min, to obtain an emulsion;

[0017] 3. Transfer the emulsion to a three-necked flask, in a water bath at 40°C and a stirring speed of 300rpm, drop in acetic acid with a mass concentration of 10% to adjust the pH to 4.0, and perform a complex coagulation reaction for 10 minutes to form a suspension of microcapsules; ice Cool the bath to 10°C, then adjust the pH to 5.0, add 0.25 g of glutaminase (enzyme activity: 80 U / g), perform curing treatment at room temperature for 8 hours, and filter with suction to obtain wet turmeric essential oil microcapsules;

[0018] 4, wet turmeric essential oil microcapsules, carry out spray drying proce...

Embodiment 2

[0021] 1. Using gelatin and peach gum as the wall material, dissolve 1.33g of gelatin and 0.67g of peach gum in 600mL of water at 60°C to obtain a wall material solution;

[0022] 2. Add 4g of turmeric essential oil into the wall material solution, and emulsify with a high-speed dispersing homogenizer, the emulsification speed is 8000rpm, and the time is 5min, to obtain an emulsion;

[0023] 3. Transfer the emulsion to a three-necked flask, in a water bath at 50°C and a stirring speed of 200 rpm, drop in acetic acid with a mass concentration of 5% to adjust the pH to 3.7, and carry out a complex coagulation reaction for 5 minutes to form a suspension of microcapsules; ice Cool the bath to 15°C, then adjust the pH to 6.0, add 0.665g glutaminase (enzyme activity: 40U / g), solidify at room temperature for 9 hours, and filter with suction to obtain wet turmeric essential oil microcapsules;

[0024] 4. The wet turmeric essential oil microcapsules are spray-dried. The air inlet tempe...

Embodiment 3

[0027] 1. Using gelatin and peach gum as wall materials, dissolve 0.67g of gelatin and 1.33g of peach gum in 2000mL of 80°C water to obtain a wall material solution;

[0028] 2. Add 0.34g of turmeric essential oil into the wall material solution, and emulsify with a high-speed dispersing homogenizer, the emulsification speed is 12000rpm, and the time is 4min to obtain an emulsion;

[0029] 3. Transfer the emulsion to a three-necked flask, in a water bath at 35°C and a stirring speed of 500 rpm, drop in acetic acid with a mass concentration of 15% to adjust the pH to 4.2, and carry out a complex coagulation reaction for 20 minutes to form a suspension of microcapsules; ice Cool the bath to 0°C, then adjust the pH to 7.0, add 0.067g of transglutaminase (enzyme activity: 60U / g), perform curing treatment at room temperature for 10 hours, and filter with suction to obtain wet complex coagulated turmeric essential oil microcapsules;

[0030] 4. The wet turmeric essential oil microca...

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Abstract

The invention discloses a preparation method of a high-temperature resistant microencapsulation turmeric essential oil biological bacteriostatic agent, which comprises the following steps of: dissolving gelatin and peach gum in a wall material to obtain a wall material solution; adding turmeric essential oil into the wall material solution, and emulsifying and dispersing at high speed to obtain emulsion; and stirring the emulsion in a constant temperature waterbath, regulating a pH value by using acetic acid, performing complex coacervation reaction, and forming microcapsule suspension liquid; cooling, regulating the pH value by using NaOH solution, adding glutamine transaminase, solidifying, leaching, drying, and thus obtaining turmeric essential oil microcapsule. The wall material is available, and the turmeric essential oil microcapsule has stable quality, is low in cost, and is safe to eat. The turmeric essential oil microcapsule has characteristic of controlling releasing in high-temperature and high-humidity environments, and turmeric essential oil has an effect of resisting bacteria in a high-temperature environment.

Description

technical field [0001] The invention belongs to the field of food engineering, and in particular relates to a preparation method of a high-temperature-resistant microencapsulated turmeric essential oil biological antibacterial agent. Background technique [0002] The main components of turmeric essential oil are curcumone, dehydroturmerone, phellandrene, camphor, curcumone, curcumedione, curcumenol, curcumene, zingiberene and eucalyptol. The biological activity of turmeric essential oil is mainly as follows: (1) It can inhibit bacteria, parasites, and pathogenic fungi to varying degrees; (2) It has excellent anti-inflammatory activity, which can inhibit early and late inflammation; (3) It has obvious effect on tumors. (4) has anthelmintic effect; (5) has anti-mutation effect, which can not only protect cells from damage, but also promote DNA repair of mutated cells. However, turmeric essential oil is highly volatile, and the volatile components are mainly monoterpenoids, se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K9/48A61K9/00A23L3/3472
Inventor 励建荣董志俭孟良玉李学鹏徐永霞李钰金
Owner BOHAI UNIV
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