40results about How to "Inhibit spoilage bacteria" patented technology

The invention discloses a biological deodorant for animal feeding and belongs to the field of feed additives. The biological deodorant for animal feeding is composed of an active ingredient and an auxiliary protection carrier, wherein the active ingredient comprises synbiotics, the weight proportion of the synbiotics to the auxiliary protection carrier is (25-35): (50-65), the synbiotics are compounds of probiotics and prebiotics, and the mass fractions of the probiotics and the prebiotics are 65-80% and 20-35% respectively. After the biological deodorant for the animal feeding is used for feeding animals, all the active ingredients are synergistic in animal intestinal tracts, and finally the aim of reducing or eliminating odour of animal excrements is foundationally achieved, so that the biological deodorant for the animal feeding has good popularization and application values.

The invention belongs to the food processing field, in particular relates to a method for preparing an acidic drink from the main raw material of burdock by means of the fermentation of a few compound bacteria including lactobacillus rhamnose, lactobacillus acidophilus, lactobacillus plantarum and bifidobacteria. A method for preparing an immunity-enhancing burdock lactic acid bacteria drink is a fermentation process of lactic acid bacteria by taking burdock juice, brown sugar, stabilizer and water as raw materials and the compound bacteria of the lactobacillus rhamnose, the lactobacillus acidophilus, the lactobacillus plantarum and the bifidobacteria as strains. The method disclosed by the invention has the advantages that the drink which is prepared according to the method for preparing the burdock lactic acid bacteria drink from the raw material of the burdock juice by means of the fermentation of the compound bacteria contains the active ingredient of burdock and accordingly, is favorable for the health of a human body and capable of enhancing the immunity of the human body; the product obtained from the process for preparing the burdock lactic acid bacteria drink is stable in performances, pure and smooth in taste and abundant in nutrients.

The invention discloses a processing process of high-elasticity high-brittleness beef balls. The processing process mainly comprises the following steps: soaking beef, performing ultrasonic pickling, performing gradient freezing and packaging. The processing process has the beneficial effects that the fresh beef is pretreated by combining soaking, ultrasonic treatment, pickling and gradient freezing technologies and a packaging method, so the requirements of people on beef taste, appearance, flavor, nutritional components, shelf life and the like are met.

The invention relates to pig feed with a high utilization rate and a drug additive. The pig feed comprises a feed main material, wherein the feed main material comprises components as follows: corn flour, DDGS (distiller's dried grains with solubles), fish meal, molasses, a liquid enzyme preparation, a 10% yellow mealworm premix and probiotics. Drug raw materials added to the pig feed comprise poria cocos, dried ginger, astragalus membranaceus, liquorice and garlic. The pig feed with the high utilization rate is reasonable in formula and palatable and can be digested and absorbed quickly, and the utilization rate of the feed is high.

The invention discloses a processing technology of beef granules. According to the processing technology disclosed by the invention, through combination of soaking, ultrasonic treatment and pickling, fresh beef is pretreated, then through the method of injection, superfine comminution, mixing and the like, zinc and docosahexaenoic acid are uniformly added to beef seasonings, through the usage amount of the beef seasoning, the total intake amount of the zinc and the docosahexaenoic acid by human bodies is accurately calculated and controlled, finally, through combining the technologies of a gradient freezing technique, a packing method and the like, the purpose of reasonably complementing the zinc and the docosahexaenoic acid is realized finally, and besides, the requirements of people for various respects of mouth feel, appearance, flavor, nutrient components, quality guarantee period and the like of the beef granules are met.

New bacteriocins capable of inhibiting the growth of bacteria are disclosed, along with methods of obtaining secretion of proteins from lactic acid bacteria, and methods for protecting foodstuffs.

The invention discloses a white radish freshly brewed ferment, and preparation and a fermented strain thereof. The special fermented strain for the white radish ferment, namely Leuconostoc mesenteroides YZ18 is screened by taking naturally fermented white radish ferment as a start and fermentation efficiency and product flavor as main indexes, and is collected by General Microbiological Culture Collection Center of China Committee for Culture Collections of Microorganisms on November 22nd, 2016, with the collection number of CGMCC No.13332. The white radish freshly brewed ferment is produced by inoculating and fermenting the strain, beneficial bacteria can be rapidly proliferated and fermented under advantage maintenance, mixed fungi pollution and the occurrence of harmful substances can be effectively inhibited, and the obtained ferment is proper in sour and sweet mouthfeel, and sour and fragrant in smell, and the flavor is greatly improved.

The invention discloses a preparation process of an instant freeze-dried beef food. The processing technology mainly comprises: beef soaking, ultrasonic sousing, color protection, seasoning cooking, gradient freezing, and packaging. According to the present invention, by combining soaking, synchronal ultrasonic treatment and sousing, Maillard color protection, seasoning cooking, gradient freezingand packaging, the fresh beef is pre-treated and processed into the instant food, such that the eating is convenient, and the requirements of people on the taste, the appearance, the flavor, the nutrients, the shelf life, the freshness of the raw material and the like can be met.

The invention provides a pentose lactobacillus bacteriological element with its preparing-purpose strain and its appliance. Pentose lactobacillus bacteriological element provided in said invention isprepared by fermenting RT-6 CGMCC No 1356(Lactobacillus pentosus). Said bacteriological element is stable to heat, acid, could be degraded by proleases, will not remain in human bodies, safe and stablewith broad-spectrum on inhibiting bacterias, and could inhibit many food putrefactive bacterias with a promising foreground as food antiseptics. Fermented meat products taking RT-6 CGMCC No 1356(Lact obacillus pentosus) as leavens is safe to eat with good apparent qualities and nourishment.

The invention discloses a processing technology of preserved kebabs. The processing technology mainly comprises the following steps: soaking, ultrasonic pickling, color protection, stringing, formingand packaging. The processing technology of the preserved kebabs has the beneficial effects: by combining soaking, ultrasonic treatment and pickling, a Maillard color protection technology and a packaging method, fresh meat is treated, strung and formed, thereby simultaneously meeting the requirements of people in multiple aspects of mouthfeel, appearance, flavor, nutritional components, shelf life, freshness and the like for the kebabs.

The invention relates to the fields of poultry animal nutrition and feed, and in particular relates to a preparation method of a feed additive with functions of improving weight gain and immunity of broiler chickens. The method comprises the following steps: taking 10-15 parts by weight of pine needles and 15-30 parts by weight of echinacea, drying at the temperature of 65 DEG C until the weight is constant, crushing, and screening by a 40-mesh sieve; and taking 30-40 parts by weight of bacillus subtilis, 15-25 parts by weight of enterococcus faecium and 10-15 parts by weight of carrier, evenly mixing the bacillus subtilis, the enterococcus faecium and the carrier with the pine needle powder and the echinacea powder to obtain the feed additive. The feed additive is simple in components, environment-friendly, free from toxic and side effects, less in consumption, low in price, remarkable in effect and simple in production and use methods; the actual feeding test proves that the feed additive is capable of remarkably improving the daily weight ratio of the broiler chickens, reducing the feed conversion ratio, remarkably increasing the number of T-lymphocytes of the chickens and the feed conversion rate, improving the growth performance of the broiler chickens and the immunologic function of the broiler chickens, is free from residue in the bodies of the broiler chickens and does not influence the meat quality of the chickens.

The invention discloses a cooking method of spicy crabs. The cooking method comprises the following steps: (1) immersing crabs in a citric acid water solution and temporarily breeding at room temperature, and washing the crabs with clean water; (2) putting the crabs obtained by step (1) in a boiled water bath and leaching; (3) frying the crabs obtained by step (2) with oil and leaching oil; (4) mixing a fresh-keeping agent, an auxiliary agent and a condiment solution to obtain a pickling solution, wherein the fresh-keeping agent is any one or two of epsilon-polylysine hydrochloride and oreganoessential oil; (5) immersing the crabs obtained by step (3) into the pickling solution obtained by step (4) and pickling at room temperature, and then draining; and (6) putting the crabs obtained bystep (5) into a sterile material and packaging, and sterilizing to obtain the spicy crabs. According to the production method disclosed by the invention, the aim of effectively prolonging the shelf life of spicy crabs is realized by comprehensively utilizing raw material sterilization, the compound fresh-keeping agent and a moderate sterilization manner; and the fresh-keeping agent comprises epsilon-polylysine hydrochloride and the oregano essential oil, which have a cooperatively complementary effect to effectively inhibit spoilage bacteria in spicy crabs.

The invention discloses an eurotium cristatum fermentation liquor crude peptide extract and application thereof in prolonging a guarantee period of cooked meat. A preservation serial number of eurotium cristatum is CGMCC NO:17186. An eurotium cristatum fermentation liquor is centrifuged for 20 minutes at 13000r / min, by using a 0.22[mu]m filter membrane sterilization body, after 10kDa ultrafiltration membrane interception, intercepted components are subjected to ion-exchange column chromatography separation, obtained active components are subjected to vacuum freeze drying to obtain crude peptide extract powder, a crude peptide extract is redissolved by deionized water (10mg / mL), and the protein content is 33.25[mu]g / mL; and 25g cooked pork is soaked in the crude peptide extract for 20 seconds, draining is carried out, and vacuum cold storage is carried out at 4 DEG C. Compared with unprocessed cooked pork under a same vacuum cold storage condition, the guarantee period can be prolonged2 days. The eurotium cristatum fermentation liquor crude peptide extract is safe and non-poisonous, and has a remarkable fresh-keeping effect.

The invention relates to the technical field of animal feed and discloses compound feed containing selenium-rich dendrobium candidum probiotics and a preparation method of the compound feed. The compound feed is prepared from components in parts by weight as follows: 50-70 parts of the selenium-rich dendrobium candidum probiotics, 10-30 parts of ganoderma lucidum probiotics powder, 10-20 parts of hericium erinaceus probiotics powder and 5-10 parts of degreased pine pollen. The selenium-rich dendrobium candidum probiotics, the ganoderma lucidum probiotics powder, the hericium erinaceus probiotics powder and the degreased pine pollen are sieved respectively and mixed in proportion, and the compound feed is obtained. The compound feed can replace antibiotics, can promote growth of livestock and poultry, the digestion rate, the absorption and utilization rate and the conversion rate of the feed are increased, and the meat yield and the egg laying rate are increased.

The invention discloses a red date probiotics fermented feed additive. The additive is prepared from, by mass, 95% of whole red date powder, 2% of radix astragali, 2% of radix angelicae sinensis and 1% of herba leonuri through fermentation through a beneficial viable bacteria preparation. By sufficiently using the medicine and food homologous functions of tonifying spleen, nourishing stomach and tonifying qi and blood and the advantages of high energy, high sugar content and high vitamins of red dates, the feed palatability, livestock growth rate and immunity are greatly improved. A large amount of metabolisms are generated in the fermentation process, intestinal disorder can be quite well adjusted, and the supplementing of normal flora of intestines or the promoting of the proliferation of beneficial bacteria is realized; the beneficial flora generates hydrogen peroxide, organic acid, bactericidin and the like, so the growth and plantation of aerobic bacteria and foreign pathogens are not facilitated, the remarkable biological antagonism effect is realized on pathogenic bacteria, lots of beneficial flora is provided for the health of animal intestines, and therefore balance is reached.

The invention discloses antioxidant compound chelated powder for chickens. The chelated powder is prepared from the following raw materials in parts by weight: 30-40 parts of gorgon fruits, 10-15 parts of soybean sprouts, 20-25 parts of grifola frondosa, 7-10 parts of cashew nuts, 20-24 parts of chestnut kernels, 6-9 parts of fresh rhizoma phragmitis, 30-35 parts of roselle and a proper amount of ferric trichloride, ferrous chloride, trisodium citrate, casein, trypsin, lactic acid bacteria and water. Grifola frondosa is treated by microwaves to promote quick release of polysaccharide. Trisodium citrate can promote chelating of grifola frondosa and iron ions. After iron and casein hydrolysate are chelated, the solubleness of iron in intestines of digestive tract can be effectively improved, so that the immunity of body is enhanced and the anti-stress capability is improved. Gorgon fruits fermented by lactic acid bacteria can effectively improve absorption of the body on minerals such as iron and calcium to coordinate with the chelated iron powder, and the soybean sprout slurry is treated by microwaves, so that the hydrolysis efficiency can be increased. Anthocyanin extracted from the roselle through microwave treatment has the functions of resisting oxidization and enhancing immunity.

The invention relates to feed for improving the pig intestinal microenvironment and a preparation method of the feed. The feed comprises a main feed material and a drug additive, the main feed material comprises components including dry corn, DDGS, fish meal, molasses, a liquid enzyme preparation, 10% mealworm premix and probiotics; the added drug comprises raw materials including Chinese thorowax roots, indigowoad leaves, milkvetch roots, liquorice roots and honeysuckle flowers. The feed for improving the pig intestinal microenvironment has a reasonable formula, and is high in palatability, quick to digest and high in effective rate of pig intestinal microenvironment improvement.

The invention relates to the field of aquaculture, in particular to a degradation ingredient for leech culture. The degradation ingredient is prepared from, by weight, 120-140 parts of protein nutrient solution, 22-24 parts of photosynthetic bacteria, 20-22 parts of lactic acid bacteria, 18-20 parts of actinomyces, 15-17 parts of yeast, 13-15 parts of fermentation filamentous bacteria, 10-12 parsof vitamins, 8-10 parts of trace elements and 7-9 parts of sugar. By utilizing beneficial substances in microbial flora for mutually symbiotic multiplication, residual baits and waste in the water aredecomposed, silt at the water bottom is reduced, oxygen is increased, and the water quality is improved; meanwhile, spoilage bacteria are inhibited, the body balance of aquatic animals is maintained,the immunity is improved, and the death is reduced; the PH value of the water body is stabilized, the trace elements are supplemented, and harmful substances in the water are removed through the utilization of beneficial flora; the proportion relationship between the beneficial flora and plankton of the water body is balanced; breeding and growth of harmful algae are inhibited; amino nitrogen andnitroso nitrogen in the water are quickly and thoroughly degraded by using the flora, harmful substances such as hydrogen sulfide are eliminated, the quality of aquatic products is improved at the same time, and the aquatic products develop in the green and pollution-free direction.

A compound preservation method for turbot comprises the following steps: the turbot is killed, gutted, cleaned, drained and soaked in a compound preservative solution for 10-30 min; after skin mucus forms a white film layer, the turbot is fished out, the film is removed, and then the turbot is soaked in the same compound preservative solution for 10 min, wherein the compound preservative solution is prepared from 0.05%-0.06% by mass of acetic acid, 0.12%-0.15% by mass of citric acid, 0.12%-0.15% by mass of phytic acid, 0.12%-0.15% by mass of carnosic acid and 99.49%-99.51% by mass of water; then the turbot is taken out, drained and bagged with a vacuum package bag, and the bag is placed and sealed in a polyurethane foam box provided with ice bags and stored at the room temperature. With adoption of the compound preservation technology combining the foam box provided with the ice bags and the compound preservative, not only can putrefying bacteria in the turbot be inhibited, but also stability in storage and transportation at the room temperature can be guaranteed, and fresh and tender quality are kept.

The invention discloses the application of the crude peptide extract of the fermented broth of a coronoid bacterium to prolong the shelf life of cooked meat. The preservation number of the coronoid bacterium is CGMCC NO: 17186. Centrifuge the fermented liquid of P. coronoidis at 13000r / min for 20min, use a 0.22μm filter membrane to remove bacteria, pass through a 10kDa ultrafiltration membrane, and separate the retained components by ion exchange chromatography to obtain the active component The crude peptide extract powder was obtained after vacuum freeze-drying, and the crude peptide extract (10 mg / mL) was reconstituted with deionized water, and the protein content was 33.25 μg / mL; soak 25 g of cooked pork in the crude peptide extract for 20 seconds, drain Dry and refrigerate under vacuum at 4°C. Compared with cooked pork without treatment under the same vacuum refrigeration conditions, the shelf life can be extended by 2 days. The invention is safe, non-toxic and has remarkable fresh-keeping effect.

The invention provides a fresh-keeping method for pickled bell peppersfermented pepper, and belongs to the technical field of food production. The fresh-keeping method includecomprises the steps of subjecting the pickled bell peppersfermented peppers and fresh-keeping strain suspension liquid to mixed fermentation, bottling the fermented product, spraying a biological preservative, and storing thebottle after sealing. The fresh-keeping method has the advantages that infectious microbes and spoilage bacteria can be effectively inhibited, the pungency degree, color, flavor and nutritional ingredients of the pickled bell peppersfermented peppers can be preserved for a long time, and the shelf life of the pickled bell peppersfermented peppers can be prolonged.

The invention discloses compound chelated iron powder for chickens and capable of improving the immunity. The compound chelated iron powder is prepared from the following raw materials in parts by weight: 30 to 40 parts of semen euryales, 10 to 15 parts of soybean sprout, 20 to 25 parts of maitake mushroom, 4 to 5 parts of camellia seed oil, 10 to 12 parts of radix curcumae longae, 5 to 6 parts of herba moslae, 15 to 20 parts of fructus citri and a proper amount of ferric trichloride, ferrous chloride, trisodium citrate, casein, trypsase, lactic acid bacteria and water. After the semen euryales is fermented through the lactic acid bacteria, the absorption on mineral substances including iron, calcium and the like can be improved; the semen euryales has a synergistic effect with chelated iron powder, and soybean sprout pulp is treated with microwaves to improve the enzymolysis efficiency. The compound chelated iron powder contains various beneficial microorganism viable bacteria, and can be used for improving in vitro and vivo ecological environments and enhancing the immune function of animals; various digestive enzymes can also be produced, the digestive absorption and utilization rate of organisms on feed is improved, and the animals can completely absorb and utilize nutrient components in the feed, so that the parturition performance is improved.

The invention discloses a processing method for preconditioning white fish with intermediate water activity. The method comprises the following steps: (1) washing the white fish, draining the water, and then vacuum drying; (2) vacuum drying the white fish (3) the white fish is taken out from the pickling solution, freeze-dried, and then vacuum-packed; each liter of the pickling solution contains the following components: 2.5 to 3.0 g of polysaccharides , 15-25g of the juice prepared from Houttuynia cordata, 80-100ml of cooking wine, and 35-40g of table salt. The method is simple to operate, significantly reduces processing time consumption and low energy consumption, not only improves the taste and texture of the wind fish, but also effectively inhibits the oxidation of fish body fat and spoilage during processing.

The invention provides a Momordicoside and chitosan oligosaccharide polymer and a preparation method thereof, and the Momordicoside and chitosan oligosaccharide polymer is obtained as follows: chitosan oligosaccharide with a polymerization degree of 2-10, Momordicoside, cycloalliin, propolis and auxiliary materials are matched according to the mass ratio, uniformly mixed, added with water, stirredand dried to obtain the Momordicoside and chitosan oligosaccharide composition. The chitosan oligosaccharide is cooperatively matched with the Momordicoside and the cycloalliin, the symptoms of patients suffering from diabetes and patients suffering from hyperlipidemia can be obviously improved, adverse reactions cannot be caused, meanwhile, the immunity of a human body can be enhanced to a certain extent.

The invention provides a biological preservation method for prolonging the shelf life of aquatic products, belonging to the technical field of biological engineering. The citron fruit is crushed and homogenized, extracted with methanol, concentrated under reduced pressure, mixed with sodium alginate solution, and then reacted with calcium chloride solution to form a film on the surface of aquatic products for fresh-keeping storage of aquatic products. The present invention adopts natural citron extract, and combines polymer film-forming technology to be used for the fresh-keeping of aquatic product, take prawn as example, in 6 days storage period, compared with the prawn of blank treatment, chitosan control treatment, bacterial colony The total numbers were 1.17 and 0.31 orders of magnitude lower respectively, and the water loss rate was only 82% of the blank control, which was not significantly different from that of the chitosan treatment. Compared with sugar, the invention greatly prolongs the storage time of fresh and alive prawns, and has broad market prospects.

The invention relates to a processing method of sweet potato leaf pickles. Firstly, the sweet potato leaves are selected, cleaned, bundled and color-protected, and loaded into a fermenter for fermentation; then Lactobacillus plantarum HZLp‑005 and Lactobacillus paracasei HZLp‑019 are mixed and Lactobacillus bulgaricus HZLb-006 were activated to prepare mixed bacterial suspensions; all the prepared mixed bacterial suspensions were added to the fermenter equipped with processed sweet potato leaves, and the same temperature edible salt solution was filled in the fermenter, and fermented 7-10 days; to terminate the fermentation, first take the fermented liquid and pour it into the coloring tank, add copper chlorophyllin sodium salt solution, then add the sweet potato leaves in the fermentation tank into the coloring tank, keep the temperature at 10±1°C, so that the sweet potato leaves It is green and stored at 2-6°C, and the sweet potato leaf pickles are prepared. The sweet potato leaf kimchi of the present invention can be eaten as a cold dish, and can also be used as a substitute for sauerkraut in delicacies such as pickled fish and hot and sour noodles.

The invention discloses a composite chicken chelating iron powder prepared by a tea fungus-fermented green plum juice. The composite chicken chelating iron powder is prepared from the following raw materials in parts by weight: 30 to 40 parts of semen euryales, 10 to 15 parts of soybean sprouts, 20 to 25 parts of grifola frondosa, 30 to 40 parts of green plum, 10 to 12 parts of lily bulb, 3 to 4 parts of fructus cannabis, and a proper amount of ferric trichloride, ferrous chloride, trisodium citrate, casein, trypsin, lactobacillus, tea fungus, and water. The composite chicken chelating iron powder has the advantages that the trisodium citrate can be used for promoting the chelating of the grifola frondosa and the iron ions; after the iron and the casein zymolyte are chelated, the dissolvability of the iron in digestive tract is effectively improved, the immunity of a human body is enhanced, and the anti-stress ability is improved; after the semen euryales is fermented by the lactobacillus, the effect of the human body absorbing iron, calcium and other minerals is improved, the synergistic action with the chelating iron powder is realized, and the soybean sprout pulp is treated by microwaves to improve the hydrolysis efficiency; the green plum is heated and pre-boiled, so that the polyphenol oxidase contained in the green plum is deactivated, and the browning and discoloring of the fruit juice are avoided during subsequent processing.

The invention relates to a method for preparing a spice salt for curing low-salt flavored salted preserved duck. The method comprises the following steps: 1) pulverizing a mixed spice of flos caryophylli, star anise, galangal, liquorice root, pepper and netmeg, sieving through a 10-60-mesh sieve, adding an ethanol solution, the weight of which is 10 to 30 times the weight of the spice powder, soaking at 30 to 80 DEG C for 2-5 hours, and carrying out pressure filtration, so as to obtain spice extract liquid; 2) adding the spice extract liquid, the weight of which is 1 to 6 times the weight of salt, into the salt, separately adding beta-cyclodextrin, the weight of which accounts for 2% to 10% of the weight of the salt, and maltodextrin, the weight of which accounts for 2% to 10% of the weight of the salt, into the salt, heating for concentrating, recovering ethanol, and heating while stirring until moisture is totally dried and the material is completely crystallized, so as to obtain a spice salt cocrystallized embedding material; and 3) crushing and sieving through a 30-mesh sieve. The method can effectively prevent the loss of anti-bacteria and antioxidant components in spices, active components can be evenly distributed on the surface of a duck body along with the salt and the salt penetrates into the duck body fast, the surface of the duck body has no fines of spices and doesnot need to be cleaned, and thus the standardized green production of low-salt flavored salted preserved duck is easy to be realized.

The invention discloses a fresh white radish ferment enzyme and its preparation and fermentation strains. The invention starts from the naturally fermented white radish enzyme, takes the fermentation efficiency and product flavor as the main indicators, and screens the special fermentation strain of white radish enzyme——intestinal membrane Leuconostoc mesenteroides YZ18 was preserved by the General Microbiology Center of China Committee for the Collection of Microorganisms, with the preservation number CGMCC No.13332, and the preservation time was November 22, 2016. Using this strain to inoculate and ferment to produce white radish fresh fermented enzyme, the beneficial bacteria can proliferate rapidly and maintain the advantage of fermentation, effectively inhibiting the pollution of bacteria and the production of harmful substances. improve.

The invention discloses a biological antistaling agent, which comprises 3wt%-7wt% of Lactobacillus rhamnosus bacterial liquid, 0.2wt%-0.6wt% of malic acid, 2wt%-4wt% of edible alcohol and the rest of water; its preparation method Method: mix Lactobacillus rhamnosus liquid, malic acid, edible alcohol and water, adjust the pH to 3.4-4.2 to obtain a mixed solution; centrifuge the mixed solution, take the supernatant, and store it at 0°C-4°C , completing the preparation of the biological preservative. The biological antistaling agent of the present invention has long preservation time, good quality control, no side effect on human body, and spectral antibacterial effect, and can be applied to the preservation of fermented meat products.