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1614 results about "Raw milk" patented technology

Raw milk or unpasteurized milk is milk that has not been pasteurized, a process of heating liquid foods to decontaminate them for safe drinking. Proponents of raw milk have stated that there are benefits to its consumption, including better flavor, better nutrition, and the building of a healthy immune system. However, the medical community has warned of the dangers, which include a risk of infection, and has not found any clear benefit. The availability and regulation of raw milk vary around the world. In the US, some dairies have adopted low-temperature vat pasteurization, which they say produces a product similar to raw milk.

Dairy product quality safety full-life-circle intelligent traceability method based on Internet of things

The invention discloses a dairy product quality safety full-life-circle intelligent traceability method based on the Internet of things. The method comprises the following steps: the step S1 in which various cow breeding information is acquired in the breeding link; the step S2 in which various material and processing information is acquired in the processing link; the step S3 in which the raw milk and finished milk temperature information is acquired in the distribution link; the step S4 in which the order, customer and distribution information is acquired in the marketing link; the step S5 in which a traceability method in which a two-dimensional bar code and a traceability code are combined is adopted, wherein the two-dimension code is used on a large package, and the traceability code is used on a small package, and a traceability platform is established to perform traceability. According to the traceability method of the invention, an appropriate technology is selected when the enterprise actual situation is taken into account, and at the same time, the existing enterprise information system is used to acquire most of the traceability information, so that a lot of equipment and labor cost can be reduced. Additionally, the intelligent traceability system can be used to realize the visualization of the whole dairy product supply chain, so great utilization values can be provided for dairy product enterprises and supervision departments to facilitate the enterprises and the supervision departments to find problems timely, so that the loss can be effectively reduced.
Owner:SOUTH CHINA UNIV OF TECH +2

Normal-temperature drinking type yoghourt and preparation method thereof

The invention discloses normal-temperature drinking type yoghourt and a preparation method thereof. The normal-temperature drinking type yoghourt comprises the following raw materials in percentage by weight: 56.6%-60% of concentrated raw milk, 1*10<6>-7*10<9>cfu/mL of a fermenting agent, 0.03-0.5% of a stabilizing agent, a proper amount of a sweetening agent and a proper amount of water, wherein the stabilizing agent is selected from one or multiple of pectin, soybean polysaccharide and gellan gum, and the percentage is the mass percent of the stabilizing agent, accounting for the total mass of the normal-temperature drinking type yoghourt. The preparation method comprises the following steps: (1) homogenizing the concentrated raw milk and milk powder and sterilizing to obtain a sterilized liquid mixture A; (2) cooling, adding the fermenting agent for fermentation, overturning a jar by back pressure, homogenizing and cooling again; (3) uniformly mixing with the sterilized liquid mixture A, adjusting the acidity, homogenizing so as to obtain a liquid mixture B, wherein the liquid mixture A comprises the stabilizing agent, the sweetening agent and the water; and (4) sterilizing the liquid mixture B. The normal-temperature drinking type yoghourt and the preparation method disclosed by the invention have the advantages that the requirements of heat treatment for the viscosity of the yoghourt and the adding amount of the stabilizing agent are effectively reduced, the obtained normal-temperature drinking type yoghourt is good in fluidity and smooth in taste and has no obvious layering condition after being stored for 6 months under the normal temperature.
Owner:BRIGHT DAIRY & FOOD

System and method for detecting milk freshness based on electronic nose

The invention discloses a system and a method for detecting milk freshness based on an electronic nose and aims to overcome the defects in quick detection of the raw milk freshness. The system comprises a flavor fingerprint information acquisition module, a signal preprocessing module, a character extracting and screening module and a pattern recognition module, wherein the flavor fingerprint information acquisition module is used for reading voltage signals responding to gas of a gas sensitive array into an internal memorizer in a digital manner, implementing real-time digital display and waveform display of the read data, and storing and recycling the displayed data; the signal preprocessing module is used for preprocessing the original signals by using a filter function, for example, removing noise of the original signals and extracting basic signals; the characteristic extracting and screening module is used for extracting characteristics of the filtered and de-noised signals and screening the characteristics according to a principal component analysis method; the pattern recognition module is used for training and identifying the detected samples according to a pattern recognition algorithm. The system and the method are used for quickly detecting the raw milk freshness based on the electronic nose and have guiding significance to control of flavor and quality of milk products. Compared with the conventional method, the method provided by the invention is more efficient and convenient, faster, and lower in manpower cost.
Owner:CHINA AGRI UNIV

Set-style fermented yoghourt rich in probiotics and preparation method of yoghourt

The invention discloses set-style fermented yoghourt rich in probiotics and a preparation method of the set-style fermented yoghourt. The method comprises the steps of adding a fermenting agent and a thickening agent into sterilized raw milk to form a feed liquid, and obtaining the yoghourt through fermentation, wherein the fermentation step adopts a two-stage combination fermentation process, and the process comprises two steps of performing middle-temperature fermentation at 30-37 DEG C for 3-6 hours in the front stage and performing hot fermentation at 42-45 DEG C for 1-3 hours in the back stage. The fermenting agent is a direct vat set fermenting agent, which includes lactobacillus bulgaricus, streptococcus thermophilus and probiotics; the inoculation quantities of the lactobacillus bulgaricus subsp. bulgaricus and streptococcus thermophilus are 1.0*10<6>-9.9*10<6>CFU / mL; the inoculation quantity of each of probiotics is 1.0*10<5>-9.9*10<5>CFU / mL. In the yoghourt prepared by the method disclosed by the invention, the viable bacteria count ratio of the probiotics is more than 1-3 orders of magnitude than that of the yoghourt prepared by the traditional fermentation method, and the quantity of the viable bacteria of the probiotics can reach 10<7>-10<9>CFU / mL.
Owner:BRIGHT DAIRY & FOOD CO LTD

Tracking system and method of dairy product supply chain information based on Internet of Things

InactiveCN102722850ASolve the problem that the visualization of supply chain information cannot be truly realizedEnsure food quality and safetyData processing applicationsCo-operative working arrangementsThe InternetWireless sensor networking
The invention provides tracking system and method of dairy product supply chain information based on the Internet of Things. The system comprises a plurality of subsystems connected with each other through a network. The subsystems include a dairy cow farming subsystem, a raw milk production subsystem, a dairy product processing subsystem, a distribution subsystem, a sale subsystem and a tracking subsystem. The farming subsystem is used for acquiring and recording farming information of dairy cows. The production subsystem is used for acquiring and recording production information of raw milk. The processing subsystem is used for acquiring and recording processing information of dairy products. The distribution subsystem is used for acquiring and recording distribution information of the dairy products. The sale subsystem is used for acquiring and recording sale information of the dairy products. The tracking subsystem is used for collecting information related to aspects of farming, production, distribution, sale and the like and receiving search requests and returning to search results including upstream and/or downstream information. The bar code technology, RFID (radio frequency identification) technology, EPC (electronic product code) technology, wireless sensor network technology and GPS (global position system) technology are utilized to realize visualization of the dairy product supply chain information.
Owner:BEIJING WUZI UNIVERSITY

Additive-free high-protein yogurt and making method thereof

ActiveCN105010530AThe state of organization is smoothDelicate tissue stateMilk preparationSucroseLactase
The invention provides additive-free high-protein yogurt and a making method thereof. The method relates to raw materials including raw milk, single cream, a leavening agent and lactase. The method includes the steps that (1) the raw milk is degreased at the temperature of 40-50 DEG C, ultrafiltration and concentration are carried out after microfiltration sterilization, then the raw milk is mixed with the single cream, the protein content is made to be 4%-6% and the fat content is made to be 4%-7%; afterwards, homogeneity is performed, heat treatment is conducted for 5-10 minutes at the temperature of 90-95 DEG C, and cooling is conducted till the temperature is 38-45 DEG C; (2) 100-200 U / 1000 kg of leavening agent and 1000-3000 NLU / L of lactase are added to be stirred for 5-10 minutes, and the temperature rises to 38-45 DEG C so that filling can be conducted; (3) fermentation is carried out at the temperature of 38-45 DEG C and stops till the pH value is 4.4-4.55, curing is conducted for 12-24 hours after cold storage at the temperature of 2-6 DEG C is completed, and accordingly the additive-free high-protein yogurt is obtained. By the adoption of the method, the quality of the raw milk is greatly improved, the obtained yogurt is high in protein concentration and does not contain sucrose, and the yogurt further has good mouthfeel and flavors.
Owner:BRIGHT DAIRY & FOOD CO LTD

Preparation method of fermented yoghurt and prepared yoghurt

The invention discloses a preparation method of fermented yoghurt and prepared yoghurt. The preparation method comprises the steps of adding a fermenting agent into raw milk to ferment to obtain fermented yoghurt, and then cooling, wherein a tunnel rapid cooling technology is adopted by the cooling step: the obtained products pass through a cooling tunnel in a manner that the interval between the obtained products is 1-10cm, the tunnel cooling temperature is 0-10 DEG C, and the delivering speed of a tunnel rapid cooling device is 0.001-6.0m/s. The fermented yoghurt prepared by the process can be cooled quickly to 2-6 DEG C in 60-900s, so that the time of that the conventional fermented yoghurt needs post maturation treatment to recover viscosity is shortened, the better taste, the more quantity of viable bacteria and the more stable quality can be ensured, and the utilization efficiency of a refrigeration storage can be improved; in addition, the post acidification fermentation of the yoghurt can be inhibited effectively, and the problems that the stacking centre temperature cannot be reduced quickly, the post acidification degree is serious and the same batch of products have notable acidity differences after the conventional fermented yoghurt enters the refrigeration storage can be solved.
Owner:BRIGHT DAIRY & FOOD

Production method of freeze-dried milk powder

The invention discloses a production method of freeze-dried milk powder. The method comprises the steps of: standardizing raw milk after purification, separation and sterilization to obtain standardized milk; implementing low-temperature vacuum mutton smell elimination and concentration of the standardized milk to lead the dry matter content in the obtained concentrated milk to account for at least 45 percent to 50 percent of the total weight of the milk; implementing homogenization of the concentrated milk, cooling and storing the concentrated milk after the homogenization; implementing freeze-drying treating of the concentrated milk after the treatment by the steps, thereby leading water which is frozen into solid state in frozen milk to be directly sublimated to gaseous state and separated from the frozen milk after that, leading the residual dry matters in the frozen milk to be shaped like powder and flakes and further forming the freeze-dried milk powder; the nitrogen filling and the method of crushing nitrogen for granulation are adopted to process the freeze-dried milk powder into even granules, and then a finished product is prepared by screening and separation. The method leads nutritional components in the raw milk to have no loss or damage and avoids the significant loss of heat-sensitive matters, active matters and other nutritional components in the raw milk caused by high-temperature sterilization, spray drying and other procedures in the existing milk powder production process.
Owner:张保钢

Method for preparing Kefir sour milk

The invention discloses a method for preparing Kefir sour milk which comprises water, sugar and sour milk prepared from the fermentation of two different Kefir grains; the preparing method comprises the follow steps: 1. raw milk is sterilized and then cooled to the temperature of 20 DEG C to 30 DEG C; 2. the two different Kefir grains are activated and cultured separately; 3. the activated and cultured Kefir grains with inoculum size of 2 percent to 5 percen are respectively inoculated to the sterilized raw milk; 4. the raw milk is fermented for 15 hours to 24 hours at the temperature of 20 DEG C to 30 DEG C; 5. the Kefir grains are filtered out to obtain two filtrates which are fermentation agents; 6. the two fermentation agents are mixed; 7. the mixed fermentation agents with the inoculum size of 2 percent to 5 percent are inoculated to the sterilized original milks and then fermented at the variable temperature ranging from 20 DEG C to 45 DEG C for 4 hours to 6 hours; and 8. the fermented milk are blended, homogenized and canned. With the adoption of the fermentation agents for fermenting at the variable temperature, the flavor of Kefir milk is well improved. The ferment time of the product is short, the yeasts in the mixed fermentation agents are more stable and the difference between flavors of Kefir sour milk prepared in different batches is small. The product has health-care functions of regulating beneficial bacteria in intestinal canals, lowering blood lipids, resisting tumors and the like, thus being a low-cost functional beverage.
Owner:于岚 +2
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