Galangal fruit and vegetable fresh-keeping agent and preparation method thereof

A preparation process, fruit and vegetable preservation technology, applied in the direction of protecting fruits/vegetables with a coating protective layer, can solve problems such as affecting human health, expensive equipment investment, etc., to protect the interests of fruit farmers, good preservation effect, and reduce evaporation.

CN102113553AInactive Publication Date: 2011-07-06刘永刚
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2011-07-06
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

Abstract

The invention discloses galangal fruit and vegetable fresh-keeping agent and the preparation method thereof, which belongs to the field of preparative techniques of film coating agents. The galangal fruit and vegetable fresh-keeping agent is prepared from galangal liquid as raw material. The preparation method comprises the following steps: decocting galangal in water sufficiently to obtain medicinal ingredients; filtering the obtained medicinal liquid, cooling, and storing; and blending the galangal medicinal liquid with bleached lac to coating. The utility model has the benefits that the galangal fruit and vegetable fresh-keeping agent is coated on the surface of fruit and vegetable and has good fresh-keeping effect. The galangal fruit and vegetable fresh-keeping agent has low cost, is environment-friendly, and protects the benefits of fruit growers; and the market is exploited.
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Description

technical field

[0001] The invention relates to a preparation technology of a coating agent, in particular to a fruit and vegetable fresh-keeping agent and a preparation process thereof. Background technique

[0002] With the continuous improvement of living standards, the demand for fresh fruits and vegetables continues to increase. However, fresh fruits and vegetables have a short shelf life and are extremely perishable. Most of them are sold locally at low prices. Fresh-keeping of fruits and vegetables is a practical technology to regulate harvested vegetables based on the physiology of fruits and vegetables. After harvesting, fruits and vegetables are still undergoing physiological activities, so the vital activities of fruits and vegetables must be maintained during storage and preservation. At present, there are many researches on the preservation of fresh fruits and vegetables at home and abroad, but most of them are treated with chemical preservatives, but eating too...

Examples

Embodiment Construction

[0006] Below in conjunction with embodiment the present invention is further described.

[0007] A galangal fruit and vegetable fresh-keeping agent and its preparation process, the fruit and vegetable fresh-keeping coating agent using galangal medicinal liquid as raw material, its specific preparation process is: add 10 kg of water to every 1 kg of galangal, boil in boiling water for 50 minutes, fully decoct Extract the medicinal ingredients; add evaporated water at any time during the boiling process to keep the medicinal juice at about 10kg; then filter the obtained medicinal liquid while it is hot, and store it after cooling; finally add bleached shellac to the extract of the galangal medicinal liquid It can be reconciled into paint, and the ratio of extract and bleached shellac is 1:1.5.

[0008] The application method of the present invention is that the liquid medicine is sprayed on the surface of fruits and vegetables, and after natural drying, a layer of very thin film...