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Natural food preservative and preparation method and applications thereof

A natural food and preservative technology, applied in the fields of application, food preservation, food science, etc., to achieve a wide range of action and good antibacterial effect

Inactive Publication Date: 2012-11-14
NANJING UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, experts at home and abroad have continuously questioned the safety of chemical preservatives.

Method used

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  • Natural food preservative and preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The natural food preservative comprises the following components in percentage by weight: 3 parts of bamboo leaves, 3 parts of honeysuckle, 1 part of perilla, and 3 parts of Imperata rhizome.

[0019] Its preparation method:

[0020] Take 3kg of bamboo leaves, 3kg of honeysuckle, 1kg of perilla and 3kg of Imperata rhizome, mix well, decoct with 8 times the amount of water for 3 hours, filter, decoct the dregs for another 3 hours, filter, and combine the decoction , concentrated until the crude drug concentration is 1g / ml, to obtain a decoction concentrate;

[0021] Add ethanol to the decoction concentrate to make the ethanol concentration reach 80%, let it stand for 24 hours, filter to remove impurities, and obtain the filtrate.

[0022] Add activated carbon to the filtrate, wherein the dosage ratio of activated carbon to the filtrate is 0.5g: 100ml, stir, heat the feed liquid to 40°C, keep it warm for 0.5h for decolorization; centrifuge; decolorize and centrifuge to o...

Embodiment 2

[0024] The natural food preservative comprises the following components in percentage by weight: 4 parts of bamboo leaves, 2 parts of honeysuckle, 2 parts of perilla, and 2 parts of Imperata rhizome.

[0025] Its preparation method:

[0026] Take 4kg of bamboo leaves, 2kg of honeysuckle, 2kg of perilla and 2kg of Imperata rhizome, mix them evenly, decoct with 9 times the amount of water for 2 hours, filter, decoct the dregs for another 2 hours, filter, and combine the decoction , concentrated until the crude drug concentration is 1.2g / ml, to obtain a decoction concentrate;

[0027] Add ethanol to the decoction concentrate to make the ethanol concentration reach 85%, let it stand for 24 hours, filter to remove impurities, and obtain the filtrate.

[0028] Add activated carbon to the filtrate, wherein the dosage ratio of activated carbon to filtrate is 0.3g: 100ml, stir, heat the feed liquid to 45°C, keep it warm for decolorization for 40min; When the pressure control is 0.05 ...

Embodiment 3

[0030] The natural food preservative comprises the following components in percentage by weight: 5 parts of bamboo leaves, 1 part of honeysuckle, 3 parts of perilla, and 1 part of Imperata rhizome.

[0031] Its preparation method:

[0032] Take 5kg of bamboo leaves, 1kg of honeysuckle, 3kg of perilla and 1kg of Imperata rhizome, mix them evenly, decoct with 10 times the amount of water for 1 hour, filter, decoct the dregs of the medicine for 1 hour again, filter, and combine the decoction , concentrated until the crude drug concentration is 1.3g / ml, to obtain a decoction concentrate;

[0033] Add ethanol to the decoction concentrate to make the ethanol concentration reach 85%, let it stand for 24 hours, filter to remove impurities, and obtain the filtrate.

[0034] Add activated carbon to the filtrate, wherein the dosage ratio of activated carbon to filtrate is 0.6g: 100ml, stir, heat the feed liquid to 35°C, keep it warm for 20min for decolorization; When the pressure contr...

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Abstract

The invention provides a natural food preservative which comprises the following ingredients in parts by weight: 3-5 parts of common lophatherum herb, 1-3 parts of honeysuckle, 1-3 parts of purple perilla and 1-3 parts of rhizome imperatae. The invention further provides a preparation method and applications of the natural food preservative. The natural food preservative is prepared by mixing the common lophatherum herb, the honeysuckle and other medicinal and edible natural substances, has the characteristics of being good in antibiosis property, safe and non-toxic, wide in range of application and the like. The natural food preservative can be degraded into substances capable of being utilized by human body in digestive tract of the human body, thus greatly avoiding cancerigenic, teratogenic, mutational and the like damages caused by residual of chemical preservatives in the body.

Description

technical field [0001] The invention belongs to the field of food preservation and relates to a natural food preservation agent. Background technique [0002] "Food is the most important thing for the people, and food safety is the first priority." Food safety issues have been highly valued by consumers and the country. At present, the food preservatives used in large quantities at home and abroad are mainly chemical synthetic preservatives. Chemical preservatives occupy a leading position in the preservative market due to their low production cost and mature production technology. However, in recent years, experts at home and abroad have continuously questioned the safety of chemical preservatives. With the development of social economy and the improvement of people's living standards, people pay more and more attention to food safety issues and constantly pursue more natural, safe and healthy food. The state is also strengthening the supervision and management of food sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L3/3472
Inventor 王旭东郦雨濛晏婷婷王辰旸王鑫郭丹丹汤莉娜刘轲施帅帅徐鹏蔡明邵刚
Owner NANJING UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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