407results about How to "Reduce rot" patented technology

The invention relates to a mango preserving technology. In order to achieve integrative pre-plucking and post-plucking preserving effect, the invention comprises four composite preserving pretreatment measures of disinfectant and calcium fertilizer spraying before mango plucking and heat treatment, rot-proof film-coating preservative treatment and ethylene inhibitor treatment after the plucking. The rot-proof film-coating preservative comprises 0.25 percent to 2 percent of glucomannan or / and 0.25 to 2 percent of CTS with 95 percent degree of deacetylation, 0.1 to 1 percent of sucrose fatty acid ester or / and 0.1 to 1 percent of glycerel monostearte, 0.1 to 0.5 percent sorbitol or glycerol, 0.5 to 1.5 percent of calcium chloride or calcium citrate, 0.05 to 0.1 percent of potassium sorbate, 0.01 to 0.1 percent of one or more of the following ingredients: iprodione, Sportak and mancozeb, 0.005 to 0.01 percent of gibberellin and 0.025 to 0.05 percent of vitamin K. The invention can decrease the respiratory intensity, postpone the respiratory climacterics, delay the postripeness time and prolong the freshness period of mangos. Compared with the prior art, the freshness period of the mangos can be prolonged by 10 to 20 days.

The invention discloses cat litter utilizing clumping wood flour and waste residues. The cat litter comprises raw material constituents by percentage. The raw material constituents comprises 45-55% of pine wood flour, 10-15% of coal cinder, 8-12% of blast furnace slag, 5-10% of super absorbent resin and 5-15% of starch. The cat litter uses the waste residues with high water absorbing quality to substitute a part of wood flour to greatly reduce the phenomenon that wood flour cat litter absorbs water and is prone to being rotten. Furthermore, the materials are easy to obtain and low in cost. A new way is provided for utilization of coal cinder, blast furnace slag and dry soybean curd residue, discharging of the waste residues is reduced, and good ecological benefits and economical benefits can be achieved.

A sill assembly for a doorjamb assembly includes a sill assembly including a sill base and a threshold. The threshold provides an inclined top surface. A pair of jamb supports are formed in an injection molding process with one of the jamb supports being attached to one end of the sill assembly and the other of the jamb supports being attached to an opposite end of the sill assembly. The jamb supports protrude outwardly from the sill assembly and provide substantially flat jamb support surfaces that engage and support a respective one of the jamb members of a doorjamb assembly. The jamb support surfaces are positioned above the top surface of the threshold such that the jamb supports raise the jamb members above the top surface of the inclined threshold.

A special strawberry transportation box with the refrigeration function comprises a box cover and a containing box body. The containing box body is covered with the box cover. The containing box body comprises a box body shell, a lining containing case and a bottom ice case. The lining containing case and the bottom ice case are arranged in the box body shell. The bottom ice case is arranged at the bottom of the lining containing case. A cold air inlet is formed in the bottom of the lining containing case. A middle separation board is arranged in the lining containing case and is hollow. An ice adding opening is formed in the upper portion of the middle separation board. Cold air outlets are formed in the two sides of the middle separation board. The left side and the right side of the lining containing case are provided with a left extension board and a right extension board respectively. A left ice holding cavity is formed by the left extension board, the left side wall of the lining containing case and the box body shell and a right ice holding cavity is formed by the right extension board, the right side wall of the lining containing case and the box body shell. The invention further provides a use method of the special strawberry transportation box with the refrigeration function. The method comprises the specific steps of adding refrigeration ice, placing strawberries, sealing the box cover and the like. According to the special strawberry transportation box with the refrigeration function and the use method of the special strawberry transportation box with the refrigeration function, the fresh preservation effect is good and refrigeration-type long-distance transportation of the strawberries is facilitated.

The invention belongs to the technical field of fresh keeping agents, aims to develop a composite fresh keeping agent including microorganism derived effective components and plant derived effective components, is used for fresh keeping and corrosion resistance for picked fruits and picked vegetables, and provides a microorganism and plant derived composite fresh keeping agent for fruits and vegetables. The composite fresh keeping agent is prepared from a component A and a component B, wherein the component A consists of microorganism fermentation fluid and a propolis extract, and microorganisms are bacillus amyloliquefaciens Lh-1, candida intermedia and cryptococcus laurentii; and the component B consists of plant derived effective component mixed liquor and film forming liquor, wherein the plant derived effective component mixed liquor is prepared by mixing a tree peony bark water extract with a citrus peel alcohol extract, a rabdosia rubescens alcohol extract, a radix zanthoxyli water extract, a lycium ruthenicum alcohol extract, a Chinese herbaceous peony water extract, a clinopodium chinense alcohol extract and a citronella water extract, and the film forming liquor is prepared by mixing konjac glucomannan with chitosan. Through the adoption of the composite fresh keeping agent, the fruits and the vegetables are furthest prevented from mildewing and rotting, the effects for preventing the fruits and the vegetables from postharvest diseases are enhanced, the moisture dissipation of the fruits and the vegetables is reduced, the storage time of the fruits and the vegetables is prolonged, and a certain economic value is created.

The invention discloses a preparation method of instant natural bracken. In the method, new techniques of gradient return-sprinkling pickling, air bubble desalting, bidirectional elevation microwavesterilization and preservation and the like are utilized to replace traditional methods of blanching in boiling water, thereby effectively improving the use ratio of raw materials. Any preservative isnot added, but the product quality is stable, the shelf life is long, the color, the fragrance and the taste are good, and an inspection result meets the quality standard of organic food.

The invention discloses a preservative for fruits and vegetables, which comprises the following components in percentage by mass: 5-8% of an emulsifier, 3-5% of Litsea cubeba extracts, 2-4% of star anise extracts, 2-3% of chitosan, 2-3% of calcium chloride, 1.5-3% of calcium bisulfite, 1.5-3% of calcium chlorite, 1.5-3% of anhydrous ethanol, 0.5-1% of citric acid, and the balance of distilled water. A use method of the preservative for fruits and vegetables comprises the following steps: soaking vegetables or fruits into the preservative for 5-10 minutes, taking out the vegetables or fruits out of the preservative and drying the vegetables or fruits, placing the vegetables or fruits into a preservative vessel, covering preservative films on the vegetables or fruits, and storing the vegetables or fruits under the condition of room temperature. The preservative for fruits and vegetables disclosed by the invention is excellent in properties, keeps the quality of fruits and vegetables, enhances the commodity property of fruits and vegetables, and prolongs the shelf life of fruits and vegetables; the preservative is safe, environment-friendly, non-toxic, harmless and pollution-free; the preservative is high in efficiency, and has an antibacterial effect superior to that of sodium benzoate; and the preservative is simple in machining process, moderate in cost and easy to use, and therefore, the fresh-keeping agent disclosed by the invention is an economic and ideal preservative for fruits and vegetables.

The invention discloses a grape eco-friendly precise preservation fresh-keeping method and an application thereof. The method comprises spraying an eco-friendly preservation agent to grapes, carryingout sugar-degree non-injurious classification, fast pre-cooling the grapes for 6-10h in 3-5h after harvest, pre-cooling the grapes at 0+ / -0.5 DEG C for 4-8h, carrying out 0.5-1.5 microliters per liter1-MCP treatment, sealing a small basket through a minimal modified atmosphere anti-fog fresh-keeping bag with thickness of 15-30 micrometers, carrying out low temperature domestication at -1.5 to -1.2 DEG C for 6-10h, carrying out storage under precise control of a temperature of -1.5 to -1.2 DEG C or -2.3 to -2.0 DEG C for 3-5 months, adjusting a warehouse temperature to 0 to 0.5 DEG C, carryingout recovery for 48 to 72 hours, carrying out recovery again at 10 + / -0.5 DEG C for 24 to 36 hours, removing the outer package, carrying out high concentration 1-MCP treatment and carrying out commercial packaging. Through combination of the above technology and process parameters, the rot percentage of grapes is significantly reduced and the quality is improved.

The invention discloses a fruit and vegetable fresh keeping carton with high ventilation, moisture preservation and bacteria resistance. The invention further discloses a preparation method of the fruit and vegetable fresh keeping carton with high ventilation, moisture preservation and bacteria resistance; after scirpoides holoschoenus is mixed with wood slag and bamboo slag for stewing, calcite powder, acadizcolite powder, mordenite powder, nanometer silicon dioxide and nanometer titanium dioxide are added and uniformly stirred for stewing, mixing, papermaking, drying, polishing, paper rolling, cropping, sorting and packing to obtain a paper material; linear low-density polyethylene, polystyrene, a preservative, an antifogging agent, an antibacterial agent, white carbon black, silica gel, Dagu stones, ceramic particles and polyolefin are mixed and homogenized, are heated, shorn, extruded and pelletized by a double-screw extruder, and are blown by a single-screw film blowing machine to obtain a material e; bonding layers are uniformly coated at the periphery of the paper material; and the material e is coated at one sides, far from the paper layer, of the bonding layers. The fruit and vegetable fresh keeping carton has high ventilation and high moisture preservation, and has the antibacterial effect.

The invention relates to the technical field of preservative products, in particular to a rambutan preservative and a preparation method thereof. The rambutan preservative and the preparation method can preserve rambutan. The preparation method comprises steps as follows: 0.1-2 g of glutamic acid, 2-7 g of sodium erythorbate, 1-3 g of lignin, 0.3-0.5 part of activated aluminum oxide, 0.3-2 g of chitosan, 0.1-0.3 part of potassium permanganate, 0.5-2 g of gibberellin, 3-5 parts of citric acid, 2-4 parts of tartaric acid, 9-14 parts of phosphoric acid, 1-3 parts of sorbic acid, 0.5-0.8 parts of salicylic acid and the balance of pure water with a pH of 7 are weighed, mixed uniformly and prepared into 1 kg of the preservative.