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79results about How to "Stay brittle" patented technology

Processing technology for preserving cordate houttuynia

The invention discloses processing technology for preserving cordate houttuynia, and preservation solution. The processing technology comprises the following steps of: selecting and cleaning the cordate houttuynia, conserving the color of the cordate houttuynia, keeping crisp of the cordate houttuynia, performing corrosion protection on the cordate houttuynia, packing the cordate houttuynia in vacuum, sterilizing the cordate houttuynia, storing the cordate houttuynia and other procedures, wherein soaking the rhizome of the cleaned cordate houttuynia in mixed solution of 0.7 percent of sodium pyrosulfite, 0.1 percent of citric acid and 0.1 percent of vitamin C, 0.5 percent of calcium chloride and 2.5 percent of potassium sorbate, filling the soaked rhizome of the cleaned cordate houttuynia in a vacuum pack filled with preservation solution, and sterilizing. Based on multiple kinds of preserving treatment, the processing technology maintains the intrinsic quality of the cordate houttuynia, can prolong the supply period of the cordate houttuynia, lessens corrosion and brown stains of the cordate houttuynia, maintains the unique flavour of the cordate houttuynia through the processes of preventing brown stains, preventing corrosion and preserving freshness, keeping crisp, packing in vacuum and the like, solves the problems of brown stains and corrosion in the storage period of the cordate houttuynia when used for storing and preserving the cordate houttuynia, and keeps the crisp during the storage period of the cordate houttuynia.
Owner:HUAIHUA UNIV +2

Preparation method of endothelia-removed amber walnut kernels

The present invention discloses a preparation method of endothelia-removed amber walnut kernels. The preparation method comprises the following steps: walnut kernel endothelia removing is conducted: walnut kernels are frozen at -18 DEG C for 24 h; and the peeled endothelia are taken out; color protecting and dehydrating are conducted: the endothelia-removed walnut kernels are immediately placed ina 0.3% edible citric acid solution or a 0.5% Vc solution or a mixed color protection solution containing 0.5% Vc and 0.3% edible citric acid for color protection treatment; and then water splashing is conducted; soaking is conducted: after the water splashing, the walnut kernels are put into a mixed soaking solution to be soaked; the mixed soaking solution is prepared by adding 30% honey into a 50% isomalto-oligosaccharide solution; and low-temperature vacuum oil-frying and de-oiling are conducted. The produced amber walnut kernels by using the method are crystal clear and lightly yellow, have olive oil and walnut fragrance, and are crisp in mouthfeel and low in oil content; heavy metals of arsenic and lead are not detected; acid value and peroxide value of the endothelia-removed amber walnut kernels are lower than those of products produced by traditional sugar coating technologies; acrylamide, trans fatty acids, benzopyrene and other human body harmful substances, escherichia coli and pathogenic bacteria are not detected; and the endothelia-removed amber walnut kernels have a long shelf life.
Owner:YUNNAN ACAD OF FORESTRY

Mango air conditioned storage and preservation process

The invention provides a mango air conditioned storage and preservation process. The process comprises the following steps: (1) according to fruit colors, fruit bearing time and the soluble pectin content, determining a picking period and a harvesting method of mango; (2) adopting a differential pressure pre-cooling method to directly carry out differential pressure pre-cooling treatment on the harvested mango in a production place pre-cooling storehouse; (3) carrying out air conditioned storage on the mango obtained after pre-cooling treatment, wherein according to the air conditioned storage condition, the oxygen content in a storage building envelope of an air conditioning store ranges from 3 percent to 8 percent, the carbon dioxide content ranges from 2 percent to 8 percent, the ethylene content is lower than 10PPM, the relative humidity ranges from 85 percent to 95 percent, and the in-storehouse environment storage environment ranges from 12 DEG C to 16 DEG C; (4) according to the air conditioned manner, continuously or intermittently carrying out deoxygenation and generating nitrogen through a nitrogen generating machine, and removing carbon dioxide and ethylene in a set manner. According to the storage freshness storage process, the storage period of the mango can be effectively prolonged to 45 days, the quality index of fruits is stable and good, good flavor and taste are kept, the perfectness ratio exceeds more than 85 percent, and the process is a safe and effective mango storage freshness method.
Owner:翟昕昕

Electronic packaging-used tin-copper high-temperature lead-free pre-formed solder with copper core structure

The invention relates to tin-copper high-temperature lead-free pre-formed solder with a copper core structure as well as a preparation method and application thereof, and belongs to the technical field of high-temperature soft solder. The solder comprises a purple copper foil sheet, wherein an upper tin-plated layer and a lower tin-plated layer are arranged on the upper surface and the lower surface of the purple copper foil sheet respectively; or the solder comprises a purple copper foil sheet, the upper tin-plated layer and the lower tin-plated layer are arranged on the upper surface and thelower surface of the purple copper foil sheet respectively, and an upper soldering flux layer and a lower soldering flux layer are arranged on the outer surface of the upper tin-plated layer and theouter surface of the lower tin-plated layer respectively. The tin-copper pre-formed solder with the copper core structure has the shape diversity same as a common pre-formed soldering piece, meanwhile, the ultra-thin, ultra-precision pre-formed solder structure meeting the application requirement of high-precision packaging can be prepared, the solder is suitable for the miniaturized personalizedrequirements of electronic elements, and except that the advantage of small-tolerance precise usage is realized, soldering flux is pre-coated to simplify the soldering process to reduce the splashingof the soldering flux; the electricity conducting and heat conduction performance of an assembly is improved while the bonding strength is ensured, the hardness of a soldered part is reduced, the brittleness of the soldered part is reduced, and the application of the high-performance high-temperature lead-free solder is realized in a true sense.
Owner:BEIJING COMPO ADVANCED TECH

Processing method of sweet potato and passion fruit cakes

ActiveCN109527473ATo achieve the purpose of removing astringencyIncrease production costNatural extract food ingredientsFruit cakeFlavor
The invention discloses a processing method of sweet potato and passion fruit cakes. The method comprises the following steps: pretreatment of raw materials which are sweet potato and all parts of whole passion fruit, blending of the raw materials and auxiliary materials, and processing of the fruit cakes, wherein the pretreatment of all parts of whole passion fruit includes extraction of a fruitshell juice, separation of a fruit juice, and preparation of powdered fruit seeds; and the pretreatment of the sweet potato is preparation of mashed sweet potato. The processing of the fruit cakes iscompleted by the following steps: taking the passion fruit juice, the fruit shell juice, the mashed sweet potato and white granulated sugar, mixing and boiling the taken materials, adding Canna edulisstarch and the powdered fruit seeds, pouring the obtained mixture into a mold, molding the mixture, baking the mixture, demolding the baked mixture and packaging the demolded baked mixture. The method has the advantages of natural and simple raw and auxiliary materials, and realization of the comprehensive utilization of the whole passion fruit, and the product has the advantages of crystal clearappearance, natural, bright and rich color, richness in the passion fruit flavor and the sweet potato flavor, elastic texture, unique crispness, non-sticking to teeth, and sour and refreshing mouthfeel.
Owner:福建紫老虎食品有限公司

Crushing device for stomach-invigorating tangerine peel powder feed

The invention discloses a crushing device for stomach-invigorating tangerine peel powder feed, and relates to the technical field of feed crushing. The crushing device comprises a bottom plate, one side of the upper surface of the bottom plate is provided with a crushing case, and the other side of the upper surface of the bottom plate is provided with a feeding elevator for feeding raw materialsinto the crushing case; and the crushing case comprises an upper case body at the top and a lower case body installed on the lower surface of the upper case body, a primary crushing mechanism is arranged in the upper case body, a secondary crushing mechanism is arranged in the lower case body, and a hot air drying mechanism used for conveying hot air into a feeding pipe of the feeding elevator isfurther arranged on the bottom plate. By means of the crushing device, dried tangerine peel in the feeding pipe in the feeding elevator can be dehumidified through the hot air drying mechanism, the drying effect of the dried tangerine peel is guaranteed, then the brittleness of the dried tangerine peel can be guaranteed, in this way, the dried tangerine peel can be easily crushed, and the crushingefficiency and the quality of the finished dried tangerine peel powder feed are guaranteed.
Owner:湖北省金谷药业有限公司

Normal pressure sterilized chicken feet with prickled peppers and preparation method thereof

The invention discloses normal pressure sterilized chicken feet with prickled peppers and a preparation method thereof, and belongs to the technical field of preparation of chicken feet with prickled peppers. The chicken feet with prickled peppers is prepared by carrying out normal pressure sterilization on chicken feet after being cured in a curing solution for the chicken feet with prickled peppers. The curing solution for the chicken feet with prickled peppers is prepared from the following raw materials: capsicum frutescens, monosodium, white pepper powder, ginger powder, sodium bicarbonate, white vinegar, nisin, lactic acid, sodium isoascorbate, natamycin, transglutaminase and saline water; the preparation method comprises raw material pretreatment, cleaning, rinsing, boiling, soaking, packaging and sterilization. According to the preparation method, the curing solution for the chicken feet with prickled peppers is prepared according to a certain proportion, so as to enable the chicken feet with prickled peppers to have full flavor and more crisp and unique taste, the chicken feet with prickled peppers is cured with a curing material for the chicken feet with prickled peppers according to a certain proportion, packaged and subjected to high-temperature short-time normal-pressure sterilization, so as to make the chicken feet with prickled peppers have full flavor, keep crispy and improve the production rate, prolong the shelf life of products, and normally circulate and store at normal temperature condition.
Owner:JIANGSU YUNRUN MEAT WARE CO LTD
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