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Fresh keeping method of citrus

A fresh-keeping method and citrus technology, applied in the direction of protecting fruits/vegetables with a protective coating to achieve the effects of reducing mildew and rot, delaying fruit aging, and delaying the process of post-ripening

Inactive Publication Date: 2017-01-04
广西南宁乐蕊生物科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, there is no relevant report on the fresh-keeping of citrus with diatomite, cinnamic acid, and chitosan as the main components of the fresh-keeping solution.

Method used

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  • Fresh keeping method of citrus

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Embodiment 1: A kind of fresh-keeping method of citrus, the prescription of its fresh-keeping liquid is: diatomite 5%, cinnamic acid 0.5%, chitosan 0.2%, distilled water makes up to 100%.

[0022] Preparation method: add 50 grams of purified diatomite to 943 grams of distilled water, stir at a high speed of 1000r / min for 60min, so that the diatomite is fully dispersed to form a suspension; stir the suspension at a low speed of 500r / min solution, add 5 grams of cinnamic acid and 2 grams of chitosan under stirring; stir the above solution at a high speed of 1000r / min for 60 minutes, and then it can be made into 5% diatomite 0.5% cinnamic acid 0.2% chitosan Citrus Preservative.

Embodiment 2

[0023] Embodiment 2: a kind of fresh-keeping method of citrus, the prescription of its fresh-keeping liquid is: diatomite 10%, cinnamic acid 0.2%, chitosan 0.1%, distilled water makes up to 100%

[0024] Preparation method: add 100 grams of purified diatomite to 877 grams of distilled water, stir at a high speed of 1500r / min for 60min to fully disperse the diatomite to form a suspension; stir the above suspension at a low speed of 600r / min, stir Next, add 2 grams of cinnamic acid and 1 gram of chitosan; stir the solution at a high speed of 1500 r / min for 60 minutes to make a citrus preservation solution of 10% diatomaceous earth 0.2% cinnamic acid 0.1% chitosan.

Embodiment 3

[0025] Embodiment 3: a kind of fresh-keeping method of citrus, the formula of its fresh-keeping liquid is: diatomite 8%, cinnamic acid 0.3%, chitosan 0.3%, distilled water makes up to 100%

[0026] Preparation method: add 80 g of purified diatomite to 914 g of distilled water, stir at a high speed of 1000 r / min for 120 min to fully disperse the diatomite to form a suspension; stir the suspension at a low speed of 600 r / min, and stir Next, add 3 grams of cinnamic acid and 3 grams of chitosan; stir the above solution for 120 min at a high speed of 1200 r / min to make a citrus preservation solution of 8% diatomaceous earth 0.3% cinnamic acid 0.3% chitosan.

[0027] 2. Application examples

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Abstract

The invention relates to a fresh keeping method of citrus. A citrus fresh keeping liquid prepared from raw materials including diatomaceous earth, cinnamic acid, chitosan and distilled water is uniformly applied to surfaces of clean fruits which are freshly picked, don't have mechanical damage and don't suffer from diseases and insect pests, and the fruits can be stored and transported at the normal temperature after natural airing. According to the method, the used fresh keeping liquid is prepared from components in percentage by weight as follows: 5%-10% of diatomaceous earth, 0.2%-0.5% of cinnamic acid, 0.1%-0.3% of chitosan and the balance of distilled water. With the adoption of the method, the citrus is coated with the liquid for fresh keeping, the peel surface can be kept dry, breeding of germs can be effectively inhibited, the fruit rotting and after-ripening process can be delayed, and the shelf life can be prolonged. A preparation process is simple, the production cost is low, and the fresh keeping method is non-toxic and safe and meets the environment protection idea.

Description

technical field [0001] The invention relates to the technical field of fruit preservation, in particular to a method for preserving freshness of citrus. Background technique [0002] Citrus is one of the bulk fruits in our country, and is loved by people because of its delicious taste. Its planting area and output rank among the top in the world. Like other fruits, citrus still undergoes respiration and transpiration after harvesting, resulting in the gradual decomposition of stored substances in the fruit, transpiration causes water loss and weight loss, and at the same time, the surface of citrus fruits is easily invaded by spoilage bacteria during storage and transportation. The shelf life and storage time are shortened by dyeing, and the fruit rots and deteriorates, which is extremely unfavorable to storage and transportation. [0003] At present, the fresh-keeping methods of fruits mainly include modified atmosphere method, cold storage, drug treatment and film-coating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16
CPCA23B7/16
Inventor 杨业喜韦锦思黄汉坤
Owner 广西南宁乐蕊生物科技有限责任公司
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