32results about How to "Extend fresh storage time" patented technology

The invention discloses an environment-friendly purification and residue-removal system for fresh wild vegetable products and application thereof. The environment-friendly purification residual-removal system comprises an ozone sterilization device, a purification and residue-removal device, an ozone supplying device, an automatic control device and a support frame device. The purification and residue-removal device is arranged in the ozone sterilization device; the ozone supplying device and the automatic control device are arranged outside the ozone sterilization device; the support frame device is arranged at the lower end of an ozone sterilization cabin body. The environment-friendly purification and residue-removal system is designed against the deficiency that wild vegetables contain microorganisms, ova, impurities and chemical residues, the technical principle that a closed or non-closed device environment controlled at the low temperature can inhibit ozone decomposition and volatilization is utilized, and a low temperature ozone aqueous solution has the effects of quick precooling, sterilization, purification and residue removal, so that operation of quick precooling, sterilization, purification and residue removal conducted on the wild vegetables is achieved; the system has the advantages that harmful substances such as microorganisms, ova, impurities and chemical residues can be effectively removed and decomposed, original fresh nutritional quality is maintained, losses caused by decomposition are reduced, dehydration is achieved quickly, the structure is simple, and operation is easy.

The invention discloses a fast precooling and purification and residue removing system for fruits and fruit products and application of the fast precooling and purification and residue removing system.The system comprises an outer box device, an inner box device, a box cover device, a control device, a water supply port, a draining port and a power supply port.The system has the advantages that the system is designed aiming at the defect that the fruits contain microorganisms, viruses and bacteria, worm eggs, heavy metal, hormone, antibiotics, soil impurities and pesticide residues; the technical principle that a low-temperature-controlled sealed or non-sealed device environment can inhibit ozone decomposition and volatilization and the fact that the low-temperature ozone aqueous solution has effects of fast pre-cooling, sterilizing, and purifying and removing residues are utilized to perform fast pre-cooling, sterilizing and purification and residue removing on the fruits; the respiratory climacteric and enzyme activity effect of the fruits are effectively controlled and inhibited, original nutritional substances are kept, the preservative storage time is prolonged, weight loss caused by mildew and deterioration is reduced, and the system is simple in structure, safe and easy to operate, and the like.

The invention discloses a method for modified atmosphere preservation and storage of honeysuckle, and belongs to the technical field of preservation and storage of agricultural products. The method comprises the following steps: carrying out enzymatic inactivation treatment on fresh honeysuckle by using a nitrogen monoxide gas at first, and then carrying out sterilization treatment on the fresh honeysuckle by virtue of a chlorine dioxide gas, then placing the fresh honeysuckle in a modified atmosphere environment in which the volume fraction of nitrogen monoxide is 1% and the volume fraction of oxygen is 2-4% for cold storage and preservation. According to the method disclosed by the invention, nitrogen monoxide and chlorine dioxide are co-used in low-temperature modified atmosphere preservation and storage of fresh honeysuckle, so that the preservation and storage time of the fresh honeysuckle is prolonged to 30-35 days, and effective ingredients in the fresh honeysuckle and the product appearance are further effectively protected.

The invention provides a freshness-keeping method for fresh branches of endrobium officinale. The fresh branches of the endrobium officinale are subjected to freshness-keeping by virtue of technologies such as ozone disinfection, air-cooling and drying, dry ice gas regulation and constant-temperature regulation, so that physiological activities of the fresh branches of the endrobium officinale are reduced, bacterial microorganisms are prevented from infecting fresh branches of the endrobium officinale, and therefore, freshness-keeping storage time of fresh branches of the endrobium officinale is prolonged. Compared with a conventional freshness-keeping method, the freshness-keeping method provided by the invention has the advantages of not containing chemical medicine residues, being high in safety, adopting single and easy-to-operate equipment and technology, being low in freshness-keeping cost, being capable of keeping freshness on a large scale, being suitable for being implanted in an endrobium officinale planting base, and the like.

The invention discloses a quick pre-cooling and purification residue removal system for fresh mushroom products and application of the quick pre-cooling and purification residue removal system.The quick pre-cooling and purification residue removal system comprises an outer tank device, an inner tank device, a tank cover plate device, a control device, a water supply port, a drain port and a power port.The quick pre-cooling and purification residue removal system is designed for overcoming the shortcoming that mushrooms contain microorganisms, mildew, heavy metal, hormone, additives, worm eggs, soil impurities and medicinal residues.Ozone decomposition can be inhibited by the aid of low-temperature control closed or non-closed device environments, quick pre-cooling, sterilization and disinfection and purification residue removal effects can be realized by the aid of volatilization technical principles and low-temperature ozone aqueous solution, and quick pre-cooling, sterilization and disinfection and purification residue removal operation can be implemented.The quick pre-cooling and purification residue removal system and the application have the performance advantages of quick pre-cooling, sterilization and disinfection, purification residue removal, simple structure, safety, easiness in operation and capabilities of keeping the fresh quality and original nutrient substances of mushrooms and reducing weight reduction loss due to rotting, deterioration and damage by worm and the like.

The invention discloses a rapid pre-cooling and purification and residue-removal system for fresh bamboo shoots and products and an application thereof. The rapid pre-cooling and purification and residue-removal system comprises an outer box body device, an inner box body device, a box body cover plate device, a control device, a water supply port, a water drainage port and a power port. The rapid pre-cooling and purification and residue-removal system is designed aiming at the defects that microorganisms cannot be killed in the course of harvesting, storage and transportation and processing of the fresh bamboo shoots, dehydration, enzyme activity, lignification and a mildew loss are not effectively controlled and additives are used; the technical principles that ozone decomposition and volatilization can be inhibited in a low temperature-controlled closed or non-closed device environment and a low temperature ozone water solution has the efficacies of rapid pre-cooling, sterilization and disinfection and purification and residue-removal are adopted to realize operations of rapid pre-cooling and purification and residue-removal for the fresh bamboo shoots. The rapid pre-cooling and purification and residue-removal system has the property advantages that the quality of the fresh bamboo shoots is kept, the loss of original nutrient substances is reduced, the dehydration, the lignification and the putrid loss are reduced, no additive is used, and the structure is simple and easy to operate.

The invention relates to an edible mushroom packaging material, and belongs to the technical field of packaging materials. The edible mushroom packaging material is prepared in the following steps: preparing water lettuce fibers from water lettuce leaves by virtue of steaming, acid extraction, alkaline extraction and the like, dissolving carboxymethyl chitosan and xanthan gum in water, mixing withmethanol to obtain a mixed solution, modifying the water lettuce fibers by utilizing laccase, enabling the modified water lettuce fibers and the mixed solution to react, concentrating after the reaction, mixing the obtained concentrated solution with montmorillonite, sorbitol and succinylated monoglycerides to obtain a viscous solution, performing defoaming, film blowing and cutting to obtain theedible mushroom packaging material. The edible mushroom packaging material prepared by the invention not only can inhibit the breeding of harmful bacteria to enable the decomposition effect of ediblemushroom to be in a minimum state, and prolong the fresh-keeping storage time, but the formed packaging material has a microporous structure, so that the water loss can be effectively retarded, the good cell morphology can be kept, and the use is convenient and safe.

The invention discloses a fresh-keeping method of carambolas, which comprises the following steps: selecting picked fresh carambolas which are ripe to the 70-80% degree and have no mechanical damage, soaking the carambolas in a calcium chloride solution with a concentration of 1-5% for 5-15 min, draining, then soaking in a composite fresh-keeping solution with a concentration of 0.5-3% for 3-10 min, airing to remove moisture; then spraying a traditional Chinese medicine fresh-keeping agent, airing, freezing at 4-10 DEG C for 0.5-2 hours, filling into a fresh-keeping film, tying the fresh-keeping film, putting into an external packing case, and storing or selling at room temperature or 5-10 DEG C. The calcium chloride, chitosan, vitamin C and the traditional Chinese medicine fresh-keeping agent adopted by the method of the invention are all safe and healthy fresh-keeping agents, have significant fresh-keeping effect; the method can well prolong the fresh-keeping and storage time of carambolas, and facilitates popularization.

The invention discloses a quick pre-cooling, purification and residue removal system for tea-green plants and application thereof. The system comprises an outer box device, an inner box device, a box cover plate device, a control device, a water supply port, a drainage port and a power port. The outer box device is arranged outside the inner box device; the inner box device is arranged in the outer box device; the box cover plate device is arranged on the outer box device; the control device is arranged at the upper end of the outer box device; the water supply port is formed in the upper end of the outer box device; the drainage port is formed in the lower end of the outer box device; the power port is formed in the rear end of the outer box device. The system is designed for overcoming the defect that tea leaves contain microorganisms, mould and pesticide residues. According to the technical principles that ozone dissociation and volatilization can be inhibited in a low temperature controlled closed or non-closed device environment and a low-temperature ozone water solution has the effects of quick pre-cooling, sterilization, purification and residue removal, pre-cooling, purification and residue removal are achieved, and the system has the advantages of sterilization, purification and residue removal, quick dehydration, mould loss reduction, a simple structure, easy operation and the like.

The invention discloses a rapid pre-cooling and purification and residue-removal system for fresh bamboo shoots and products and an application thereof. The rapid pre-cooling and purification and residue-removal system comprises an ozone sterilization device, a purification and residue-removal device, an ozone supplying device, an automatic control device and a support frame device, wherein the purification and residue-removal device is arranged inside the ozone sterilization device; the ozone supplying device and the automatic control device are arranged outside the ozone sterilization device; the support frame device is arranged on the lower end of an ozone sterilization cabin. The rapid pre-cooling and purification and residue-removal system is designed aiming at the defects that microorganisms cannot be killed in the course of harvesting, storage and transportation and processing of the fresh bamboo shoots, dehydration, lignification and mildew losses are not effectively controlled and additives are used; the technical principles that ozone decomposition and volatilization can be inhibited in a low temperature-controlled closed or non-closed device environment and a low temperature ozone water solution has the efficacies of rapid pre-cooling, sterilization and disinfection and purification and residue-removal are adopted to realize operations of rapid pre-cooling and purification and residue-removal for the fresh bamboo shoots. The rapid pre-cooling and purification and residue-removal system has the advantages that the quality of the fresh bamboo shoots is kept, the dehydration, the lignification, the mildew losses and the nutrient substance loss are reduced, no additive is used, and the structure is simple and easy to operate.

An ice crystal packaging box comprises an ice crystal packing box body (1), an ice crystal packing box cover plate (2), and a pouring inlet (3) for ozone and ozone water solution. By utilizing the function of bacteriostasis and sterilization of ozone or inert gas and aseptic condition in a closed partial vacuum state within the ice crystal packaging box, the aim of prolonging storage life of stored product is achieved.