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Preservative for dragon fruits and preparation method thereof

A preservative, dragon fruit technology, applied in the direction of preservation of fruits and vegetables, food preservation, protection of fruits/vegetables with a protective coating, etc., can solve the problems of physical preservation technology consumption, adverse health effects, high energy costs, and reduce moisture. It has the advantages of easy dissipation, resistance to the intrusion of external germs, and simple preparation method.

Inactive Publication Date: 2019-01-11
广西海泉农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, physical fresh-keeping technology consumes a lot of energy and has high cost, which limits its application.
The use of chemical preservatives (such as deoxyacetic acid, sulfur dioxide, sorbic acid, benlaite, etc.) to preserve fruit can achieve better results, but long-term use of many chemical preservatives will produce drug resistance, and at the same time have a certain impact on human health. Adverse effects, even carcinogenic, teratogenic, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of dragon fruit antistaling agent, comprises the raw material of following parts by weight:

[0027] 15 parts of tea saponin, 2 parts of salicylic acid, 1.0 part of tea polyphenol, 1.5 parts of tea tree essential oil, 1.0 part of lemongrass essential oil, 8 parts of ascorbic acid, 3.5 parts of chitosan, 4 parts of maleic acid hydrazide and konjac Glucomannan 2 parts.

[0028] Its preparation method comprises the following steps:

[0029] S1: Weigh the raw materials of each component according to the above ratio, and dissolve tea saponin, tea polyphenols, salicylic acid, ascorbic acid, chitosan, maleic acid hydrazide, and konjac glucomannan in 100 parts of water , heated to 59°C, stirred for 60 minutes, and the rotation speed was 200r / min, to obtain a suspension;

[0030] S2: Add the suspension, tea tree essential oil, and lemongrass essential oil into a vacuum homogenizer for homogenization for 30 minutes at a speed of 200 r / min;

[0031] S3: After the homogen...

Embodiment 2

[0033] A kind of dragon fruit antistaling agent, comprises the raw material of following parts by weight:

[0034] 18 parts of tea saponin, 1.5 parts of salicylic acid, 0.8 parts of tea polyphenols, 1.5 parts of tea tree essential oil, 1.5 parts of lemongrass essential oil, 10 parts of ascorbic acid, 3 parts of chitosan, 5 parts of maleic acid hydrazide and konjac Glucomannan 1.5 parts.

[0035] Its preparation method comprises the following steps:

[0036] S1: Weigh the raw materials of each component according to the above ratio, and dissolve tea saponin, tea polyphenols, salicylic acid, ascorbic acid, chitosan, maleic acid hydrazide, and konjac glucomannan in 80 parts of water , heated to 55°C, stirred for 30min at a speed of 100r / min to obtain a suspension;

[0037] S2: Add the suspension, tea tree essential oil, and lemongrass essential oil into a vacuum homogenizer for homogenization for 30 minutes at a speed of 100 r / min;

[0038] S3: After the homogenization treatme...

Embodiment 3

[0040] A kind of dragon fruit antistaling agent, comprises the raw material of following parts by weight:

[0041] 20 parts of tea saponin, 2 parts of salicylic acid, 1.5 parts of tea polyphenols, 2.0 parts of tea tree essential oil, 1 part of lemongrass essential oil, 7 parts of ascorbic acid, 4 parts of chitosan, 4 parts of maleic acid hydrazide and konjac Glucomannan 2.5 parts.

[0042] Its preparation method comprises the following steps:

[0043] S1: Weigh the raw materials of each component according to the above ratio, and dissolve tea saponin, tea polyphenols, salicylic acid, ascorbic acid, chitosan, maleic acid hydrazide, and konjac glucomannan in 90 parts of water , heated to 57°C, stirred for 45min at a speed of 150r / min to obtain a suspension;

[0044] S2: Add the suspension, tea tree essential oil, and lemongrass essential oil into a vacuum homogenizer for homogenization for 30 minutes at a speed of 150 r / min;

[0045] S3: After the homogenization treatment, th...

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Abstract

The invention discloses a preservative for dragon fruits and a preparation method thereof. The preservative for dragon fruits is prepared from the following raw materials in parts by weight: 10-20 parts of tea saponin, 1-3 parts of salicylic acid, 0.5-2 parts of tea polyphenol, 0.5-3 parts of tea tree essential oil, 1-2 parts of lemon grass essential oil, 5-10 parts of ascorbic acid, 3-5 parts ofchitosan, 3-6 parts of maleic hydrazide and 1-3 parts of konjac glucomannan. The preservative for dragon fruits is prepared from multiple kinds of raw materials and surfactants with rot-proof and sterilization functions, so the preservative forms a layer of film on the surfaces of fruits, the nutritional components of the preserved dragon fruits can be preserved for a long time without loss, and the preservative has the advantages of rot-proof property, preservation, sterilization, water loss prevention, obvious preservation effects and the like and provides a better storage way for fruits.

Description

technical field [0001] The invention relates to the technical field of fruit preservation, in particular to a dragon fruit preservation agent and a preparation method thereof. Background technique [0002] Fruit preservation is a very important link in the process of fruit production, storage and sales. The adoption of scientific and reasonable storage and fresh-keeping technology can effectively prolong the storage period of fresh fruits, adjust the low and high seasons, and prosper the fruit market, which has significant economic and social benefits. At present, the main methods of fruit preservation at home and abroad are: physical preservation (mainly including low-temperature refrigeration preservation method, modified atmosphere preservation method, decompression preservation method, radiation preservation method) and chemical preservative preservation. Among them, physical fresh-keeping technology consumes a lot of energy and has high cost, which limits its applicati...

Claims

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Application Information

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IPC IPC(8): A23B7/154A23B7/16
CPCA23B7/154A23B7/16
Inventor 林子航林杰林琳
Owner 广西海泉农业有限公司
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