42 results about "Selenium yeast" patented technology

The invention relates to an anti-aging capsule compounded by PQQ and mitochondrial nutrients, and discloses an anti-aging capsule which is prepared by synergistically compounding a plurality of mitochondrial nutrients according to a scientific proportion and supplementing high-purity raw materials and slow-release dosage forms to realize energy metabolism activation and anti-oxidation synergistic intervention. Therefore, the anti-aging capsule systematically delays aging through multi-target regulation and control of mitochondrial functions. The capsule is characterized by comprising the following components in parts by weight: 1-20 mg of pyrroloquinoline quinone disodium salt (PQQ), 20-100 mg of coenzyme Q10, 50-200 mg of L-carnitine tartrate, 10-100 mg of alpha-lipoic acid, 50-300 mg of nicotinamide mononucleotide (NMN) or nicotinamide nucleoside (NR), and 10-50 [mu] g of selenoprotein or organic selenium yeast, and a capsule carrier comprises 100 mg of gelatin or a plant-derived capsule shell, 180 mg of microcrystalline cellulose, 5 mg of magnesium stearate and 5 mg of silicon dioxide.

The invention discloses an astragaloside synergistic type composition as well as a preparation method and application of the astragaloside synergistic type composition. Comprising the following components: 8 to 16 parts of astragaloside, 20 to 40 parts of a honeysuckle flower extract, 10 to 20 parts of L-carnitine, 0.1 to 0.5 part of selenium yeast, 3 to 8 parts of diammonium glycyrrhizinate, 5 to 15 parts of taurine, 8 to 20 parts of a fructus forsythiae extract, 2 to 7 parts of vitamin E, 12 to 32 parts of hydroxypropyl-beta-cyclodextrin, 2 to 10.5 parts of maltodextrin, 1 to 7 parts of Arabic gum, 10 to 20 parts of lactose, 1 to 3 parts of zinc gluconate and 2 to 5 parts of magnesium stearate. 1-3 parts of vitamin C, 1-5 parts of xanthan gum and 1-3 parts of lecithin. The composition has a wide application prospect in preparation of veterinary drugs or veterinary food additives.

The utility model relates to the field of material drying equipment, and discloses boiling type drying bed equipment for feed additive selenium yeast production, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixing frame, one side of the fixing frame is fixedly connected with a motor, the driving end of the motor is fixedly connected with a convex rod, and the convex rod is fixedly connected with a rotating shaft. The outer wall of the protruding rod is rotationally connected with a rotating rod, one end of the rotating rod is rotationally connected with a connecting rod, the top of the connecting rod is slidably connected with a limiting block, the top of the limiting block is fixedly connected with a fine material screening plate, and the top of the fine material screening plate is fixedly connected with a medium material screening plate. The motor is started, the driving end of the motor drives the protruding rod to rotate, then the rotating rod is driven to reciprocate in the vertical direction, and the reciprocating motion of the rotating rod is transmitted through the connecting rod, so that the clamping head on the top of the connecting rod moves in the limiting block and pushes the limiting block to move.

The invention discloses a combined medicine composition of a thyroid Qixia patch and a selenium yeast tablet and application of the combined medicine composition, and belongs to the technical field of medicines. The composition is composed of a thyroid and astragalus mongholicus summer patch and a selenium yeast tablet, the thyroid and astragalus mongholicus summer patch is prepared by grinding astragalus mongholicus, selfheal, radix clematidis, turmeric, airpotato yam and semen brassicae as raw materials, and adding vaseline to prepare paste. The selenium yeast tablet is used for oral administration and is matched with the thyroid qi-summer patch for external application on the neck, and the treatment course is 3 months. Clinical verifications show that the total effective rate of the composition reaches 87.80%, the composition can effectively improve symptoms such as anterior cervical mass, dysphoria, irritability and the like, reduce the level of serum TPOAb, reduce thyroid and nodule volumes and improve nodule blood flow, the safety is good, the curative effect is superior to that of pure western medicine treatment, and an effective treatment scheme is provided for related diseases.

The invention provides a preparation method of selenium-enriched health-preserving yellow wine, and relates to the technical field of wine brewing. The preparation method comprises the following specific steps: S1, selecting raw materials, cleaning, soaking, cooking, cooling, adding distiller's yeast, and fermenting to obtain fermentation liquor; s2, mixing a selenium source, the chitosan solution and the cationic guar gum solution, performing ultrasonic stirring, adjusting the pH value to 4.5-6.0, and performing plasma treatment to obtain a selenium inclusion; s3, adding the selenium wrappage into the fermentation liquor, adding glucose, and performing ultrahigh pressure treatment, storage, filtration and filling to obtain the target selenium-enriched health-preserving yellow wine. The selenium yeast and the selenium polysaccharide are used as selenium sources, the selenium yeast and the selenium polysaccharide are natural, safe and beneficial to human body absorption, the total selenium content in the final yellow wine is 150-250 [mu] g / L, the proportion of organic selenium is larger than or equal to 90%, and the bioavailability is remarkably improved.

The invention discloses a method for separating inorganic selenium from a selenoprotein primary product. The technical problem of separating inorganic selenium from the existing selenoprotein primary product is solved, the selenoprotein is purer, the organic selenium content (99.99%) is higher, the biological activity and effectiveness of selenium are improved, absorption and utilization of life bodies are facilitated, and the side effects of the selenium are reduced. Based on the characteristics that inorganic selenium is larger than organic selenium in density and higher in electric conductivity, the technical scheme of combining a precipitation method, an ultrafiltration method, a reverse osmosis method and a dialysis method is adopted, the inorganic selenium existing in selenoprotein is separated out, and a purer selenoprotein product is obtained. After selenium protein powder, selenium yeast powder, selenium mushroom powder, selenium algae powder and other organic selenium primary products are separated through the process steps, high-purity (95%-99.99%) selenium protein, inorganic selenium and purified water are obtained. Environmental protection requirements are considered preferentially, zero emission is achieved in the separation process, and the method is extremely environment-friendly. The selenium protein is pure, selenium supplementation is not limited any more, and selenium supplementation popularization becomes possible.

This invention relates to the field of feed additive technology, specifically to a Bacillus subtilis composition for improving animal intestinal health and its preparation method. It comprises the following raw materials: Bacillus subtilis engineered bacterial powder, cinnamaldehyde microcapsules, proanthocyanidins B2, selenium-enriched yeast culture, glycoterpenes, trehalose, and a carrier. The core of this invention lies in using Bacillus subtilis EhrBS-9 (CGMCC No. 24947) as the strain, constructing a dual-function engineered bacterium with tolerance and transformation through gradient cinnamaldehyde domestication and cad gene integration. This, combined with the intestinal-targeted delivery of cinnamaldehyde microcapsules, barrier strengthening of proanthocyanidins B2, and the construction of a multidimensional anti-stress network of selenium-enriched yeast, glycoterpenes, and trehalose, forms a synergistic mechanism of gut microbiota regulation, immune enhancement, and stress buffering. This addresses the industry pain point of insufficient synergistic effects of existing feed additives in terms of high-efficiency antibacterial activity, safe immune regulation, root-cause anti-stress, and ecological safety.

The invention discloses a feed for improving beef quality and a preparation method thereof, and belongs to the technical field of livestock breeding feeds. The feed consists of a basal feed and a compound additive in a weight ratio of (90-95): (5-10), the composite additive contains a rosemary extract, green tea powder, flaxseeds, haw powder, ginger powder and selenium yeast, and the basal feed contains corn, soybean meal, wheat bran and a basic premix. The preparation method comprises the steps of respective mixing of the basic material and the additive, total mixing, granulation, drying and cooling. The feed prepared by the invention can synchronously improve the tenderness, marbling and n-3 PUFA content of beef and enhance the oxidation stability, has no chemical residue, and significantly improves the sensory and nutritional value of beef.

The present application belongs to the technical field of feed additives, and particularly relates to a feed additive for improving ATP utilization rate of animal muscle cells, a preparation method and application. The feed additive comprises the following raw material components: guanidoacetic acid, methionine, betaine, vitamin E, vitamin B12, vitamin B6, folic acid, L-ascorbic acid, L-carnitine, selenium yeast and stearic acid. The present application supplements exogenous creatine synthesis raw materials for the animal body, improves the efficiency of conversion of guanidoacetic acid into creatine in the animal body, significantly increases the creatine level in the animal body, improves the ATP utilization efficiency of the animal body under the condition of lower nutrition level (low energy, low protein), reduces the conversion of nutrients such as protein into energy for consumption, and further significantly improves the growth performance and slaughter performance of the animal. The raw materials of the present application are all nutritional additives, and do not produce residues, are green and safe, meet the urgent needs of the rapid development of current antibiotic-free livestock farming, and have a wide application prospect.

The invention belongs to the technical field of fermentation, and particularly relates to selenium-enriched yeast and a preparation method thereof. The total selenium content in the selenium-enriched yeast is (1500-2500mg / Kg), the organic selenium accounts for more than or equal to 97.0% of the total selenium, and the protein accounts for more than or equal to 51% of the total selenium. The selenium-enriched yeast prepared from saccharomyces cerevisiae is subjected to step-by-step amplification culture, and culture conditions and nutrient solution components are controlled, so that the prepared product is high in total selenium content, high in protein content and good in flavor, the mass percentage of organic selenium in the total selenium also meets the national standard, and meanwhile, compared with a preparation method of baker's yeast, the content of selenium in the product is greatly increased. The preparation method disclosed by the invention is more suitable for production of selenium-enriched yeast, less in material loss and good in economic benefit.

The invention provides a high-stability D-biotin feed additive as well as a preparation method and application of the high-stability D-biotin feed additive. The high-stability D-biotin feed additive is prepared from the following raw materials: 1 to 3 parts of vitamin E, 1.5 to 3.0 parts of vitamin C, 2 to 4 parts of L-arginine, 0.5 to 1.2 parts of glutathione, 1.0 to 2.5 parts of zinc methionine, 0.1 to 0.5 part of selenium yeast, 0.5 to 1.5 parts of high-temperature-resistant phytase, 15 to 25 parts of a mesoporous silica-montmorillonite composite carrier, 8 to 15 parts of pH response type polymer microspheres and 5 to 10 parts of modified starch. The pH response type polymer microspheres are targeted microspheres loaded with D-biotin. The utilization rate and nutrition supply efficiency of active ingredients in the additive are improved, and finally the feeding effect of the feed is improved.

The invention relates to the technical field of radiation protection, in particular to a dietary nutrition supplement capable of relieving radon internal irradiation damage and having a protective effect and a preparation method thereof, and the dietary nutrition supplement comprises the following raw materials: compound vitamins, nicotinamide, selenium-enriched yeast and propolis. Animal experiments prove that after the dietary nutrition supplement is taken, the dietary nutrition supplement not only is beneficial to relieving oxidative damage and apoptosis resistance caused by radon irradiation, inhibiting autophagy and relieving damage of radon daughters to lung cells, but also does not generate toxic and side effects, and achieves the purposes of safety and effectiveness.

The invention relates to organic goat milk powder for regulating immunity and a preparation method thereof. The organic raw goat milk is reasonably and effectively compounded with the components such as the organic isomaltooligosacharide, the organic galactooligosaccharide, the ground calcium carbonate, the compound vitamins, the compound minerals, the selenium-enriched yeast, the plant sterol fat, the fish oil powder, the phosphatidylserine and the triple compound probiotics, so that the raw goat milk is rich in various nutritional ingredients; the organic goat milk powder is obtained after treatment of various strict working procedures, the prepared goat milk powder is uniform in component and comprehensive in nutrition, the contained plant sterol ester enables the goat milk powder to have the effects of reducing blood cholesterol and regulating the immunity of the human body, the functional effects of the goat milk powder are effectively improved, and the requirements of consumers are met.

The invention discloses a formula of an organic mixed health-care beverage and a preparation method of the organic mixed health-care beverage. The raw materials comprise, by weight, 1-3 g of ginseng, 1-3 g of deer-horn glue, 2-5 g of folium cortex eucommiae, 2-5 g of gynostemma pentaphylla, 2-5 g of hawthorn, 2-5 g of ligusticum wallichii, 1-3 g of schisandra chinensis, 3-5 g of rhizoma polygonati, 2-5 g of radix ophiopogonis, 100-200 mg of algal oil, 200-300 mg of taurine, 150-200 mg of grape seed extract, 3-5 ml of perilla seed oil, 50-80 ml of yoghourt, 30-50 ml of walnut juice and 30-50 ml of peanut liquid. The selenium-enriched beverage is prepared from 30 to 50 milliliters of sweet almond liquid, 30 to 50 milliliters of black sesame liquid, 30 to 50 milliliters of mango juice, 50 to 100 milliliters of apple juice, 30 to 50 milliliters of tomato juice, 50 to 80 micrograms of selenium-enriched yeast, 25 to 50 milligrams of vitamin C, 125 to 25 milligrams of vitamin E, 0 to 15 milligrams of vitamin B1 {thiamine}, 15 milligrams of vitamin B2 {riboflavin}, 0 to 15 milligrams of vitamin B2 {pyridoxine}, 15 milligrams of vitamin B6 {pyridoxine}, 25 milligrams of vitamin B9 {folic acid}, 40 micrograms of vitamin B9 {folic acid}, and 0 to 75 milligrams of vitamin B12 {cobalamin}. After being taken by various people for a period of time, the health-care food is smooth and delicious in taste and free of adverse reaction through evaluation in multiple aspects, and the health-care effect and feeling state of the health-care food are better than those of the prior art. And the health-care tea is suitable for a wide range of people, is beneficial to market promotion, and enables more people to achieve the health-care effect of preventing diseases before diseases.

A selenium-enriched biotin scalp care essence spray and its preparation method belong to the field of scalp care technology. The spray components are: selenium yeast extract, pearl active peptides, hair follicle repair core enzyme complex, biotin, plant extract micropowder, and the remainder being excipients and deionized water, with a pH of 5.0-5.5. The selenium yeast extract contains ≥60% selenocysteine; the pearl active peptides have a molecular weight <1kDa and an amino acid content ≥90mg / mL; the hair follicle repair core enzyme complex contains ≥2000U / mg superoxide dismutase and ≥50U / mg transglutaminase; and the plant extract micropowder is extracted using supercritical CO2. The use of ultrasonic high-pressure homogenization, iontophoresis encapsulation, and nitrogen-filled aluminum bottle packaging technology solves the problems of low transdermal penetration rate of active ingredients (traditional formulations <8%, this invention increases it to 28%) and poor stability.

The invention relates to a targeted multi-mechanism synergistic anti-aging natural plant extract-nicotinamide composite preparation as well as a preparation method and application thereof, and belongs to the technical field of application of natural active ingredients. The compound preparation is prepared from 8 to 15 parts of nicotinamide micro-capsule powder, 10 to 25 parts of roxburgh rose extract, 0.001 to 0.003 part of selenium yeast, 15 to 30 parts of blueberry extract and 20 to 40 parts of psyllium husk powder. The invention further provides a preparation method of the compound preparation and application of the compound preparation in preparation of functional food or health care products. According to the formula of the compound preparation, nicotinamide is used as a core repairing component, a rosa roxburghii tratt extract, selenium, a blueberry extract and psyllium husk powder are compounded, a multi-component synergistic effect is achieved by optimizing a matching proportion and innovating a preparation process, the cell mutation rate can be remarkably reduced, damaged DNA can be repaired, the cell oxidation resistance can be enhanced, and cell metabolism can be regulated; and a synergistic anti-aging effect is achieved from multiple angles and multiple mechanisms. And the pharmaceutical composition also has the advantages of being natural, safe, high in stability and high in bioavailability.

This invention belongs to the field of food processing, specifically disclosing a production method for a selenium-enriched black peanut soy sauce system, comprising: S1, using the selenium-enriched black peanut residue after pressing as raw material, inoculating it with selenium yeast for cultivation; S2, adding neutral protease and cellulase for enzymatic hydrolysis; S3, inoculating with Aspergillus oryzae and Aspergillus niger for fermentation; S4, inoculating with Lactobacillus plantarum and Streptococcus halophilus for fermentation; S5, inoculating with Saccharomyces roximatee and Saccharomyces cerevisiae for fermentation; S6, using supercritical CO₂ extraction to obtain selenium-enriched black peanut soy sauce. This invention, by using selenium-enriched black peanut residue as raw material and employing a process of "bioactivation-enzymatic hydrolysis-multi-stage fermentation-high-efficiency extraction," not only improves the decomposition rate of protein and cellulose in the residue, achieving efficient resource utilization, but also increases the total selenium content of the soy sauce and the proportion of organic selenium through selenium yeast conversion, probiotic integration, and low-temperature extraction, thereby improving bioavailability. At the same time, the synergistic fermentation of multiple strains generates a variety of flavor substances.

A general-purpose selenium-enriched pearl-based basic skincare mother liquor, by weight, is composed of pearl active peptides, selenium yeast extract, and an enzyme complex in a weight ratio of 1:(0.00625~0.1):(0.0375~0.25). The pearl active peptides have a molecular weight <1kDa, an amino acid content ≥90mg / mL, and are colorless and transparent. The selenium yeast extract has a particle size <80nm, selenocysteine ​​≥60%, and a Zeta potential of +18 to +23mV, and is a colorless and transparent dispersion. The enzyme complex contains SOD ≥2000U / mg and CAT ≥1500U / mg, and is encapsulated in a chitosan-sodium alginate bilayer, making it colorless and semi-transparent. This basic skincare mother liquor addresses the problems of low dissolution and delivery rates of pearl's effective components, poor stability of selenium components, and lack of multi-effect synergistic mechanisms. It can be used to rapidly prepare various types of cosmetics, such as serums (for external or oral use) and masks.

The invention relates to the technical field of traditional Chinese medicine compositions, and discloses a traditional Chinese medicine compound composition for adjuvant therapy of cancers and a preparation method thereof. Comprising the following traditional Chinese medicine components in parts by weight: 5-10 parts of scorpio, 10-20 parts of royal jelly freeze-dried powder, 5-15 parts of ginseng, 10-20 parts of rhizoma polygonati, 10-30 parts of astragalus membranaceus, 5-15 parts of dendrobium officinale, 10-20 parts of rehmannia, 5-15 parts of lucid ganoderma, 10-30 parts of oldenlandia diffusa, 10-20 parts of radix ophiopogonis, 5-15 parts of dogwood, 10-20 parts of codonopsis pilosula, 5-15 parts of liquorice, 0.1-0.5 part of selenium yeast, 5-15 parts of edible tulip, 10-20 parts of hawthorn, 5-15 parts of chrysanthemum and 10-30 parts of dandelion. And 3-10 parts of cinnamon. The scorpion, the pseudobulbus cremastrae seu pleiones and other components can directly inhibit tumor cell proliferation and induce apoptosis; the selenium yeast can scavenge free radicals and inhibit tumor angiogenesis. The royal jelly freeze-dried powder, the ginseng, the astragalus membranaceus, the lucid ganoderma and the like can activate immune cells, improve the immune monitoring ability of a body and relieve immunosuppression caused by radiotherapy and chemotherapy.

The invention relates to the technical field of feed additive preparation, in particular to a selenium-rich antibiotic-free feed additive and a preparation method and application thereof. The invention provides an antibiotic-free feed additive. The antibiotic-free feed additive comprises the following components in parts by mass: 5-10 parts of selenium yeast, 30-40 parts of a composite Chinese herbal medicine additive, 10-16 parts of prebiotics, 5-8 parts of sophocarpidine, 5-8 parts of origanum essential oil, 80-100 parts of beer yeast residues, 80-100 parts of fermented soybean meal and 80-100 parts of bran. On the premise of completely replacing antibiotics, the feed additive disclosed by the invention not only can remarkably enhance the immunity of animal organisms, but also can efficiently promote long-acting stable deposition of organic selenium in muscle and visceral tissues and improve the nutritional value of animal products; meanwhile, the growth performance can be improved, all the components are natural and safe, drug resistance is not prone to being generated, and the comprehensive requirements of modern green antibiotic-free breeding for animal health, product quality and production benefits are met.

The invention relates to the technical field of feed compositions, in particular to a feed composition for enhancing anti-stress ability of mice, which comprises a basic nutrition system and an anti-stress function system, the basic nutrition system comprises cereals, a protein source, a fat source, minerals and a vitamin premix; the anti-stress function system comprises immunoregulation polysaccharide, an organic selenium source and a neuroregulation component; the immunoregulation polysaccharide is selected from at least one of astragalus polysaccharide, codonopsis pilosula polysaccharide and lycium barbarum polysaccharide; the organic selenium source is selected from at least one of selenium yeast, selenized carrageenan and selenium-enriched yeast; the neuroregulation component is selected from at least one of gamma-aminobutyric acid, taurine and theanine. By constructing a ternary synergistic system of the immunomodulatory component, the organic selenium source and the neuromodulation component, a three-dimensional anti-stress mechanism of immunological enhancement, antioxidant protection and neuroendocrine regulation is realized, and multiple damage of stress to a mouse body is relieved from the source.

The invention discloses a preparation method of nanoscale wall-broken selenium-enriched yeast, and relates to the technical field of food biologication.The preparation method comprises the following steps that selenium-enriched yeast suspension liquid is prepared; the selenium-enriched yeast suspension is subjected to mild local pore pretreatment, and local pores are formed in cell walls; a mixed solution containing amphiphilic molecules is added into the treated suspension liquid, a reaction is carried out under the low-strength shearing condition to form nanosheets, and the amphiphilic molecules comprise beta-cyclodextrin or a derivative thereof; and carrying out stabilizing treatment on the obtained product, and drying to obtain the nano-scale wall-broken selenium-enriched yeast. According to the invention, the nano-scale wall breaking with relatively ordered structure of the cell wall is realized, and the release and absorption efficiency of the selenium component in the gastrointestinal tract can be obviously improved; the wall breaking process is mild, low in temperature and low in shearing, the structural integrity and biological activity of selenium active ingredients are effectively protected, and the retention rate of the active ingredients is remarkably superior to that of a traditional violent wall breaking method.

The invention provides an external application medicine for thyroid nodules and a preparation method thereof, the medicine is composed of a traditional Chinese medicine compound extract, a targeting active component, a transdermal promotion system and a medicinal matrix, the traditional Chinese medicine compound extract contains multiple medicinal materials such as prunella vulgaris, the targeting component comprises selenium yeast and tetrahydrocurcumin, and the transdermal system is composed of azone and the like. The preparation method comprises the steps of raw material pretreatment, step-by-step extraction, purification and inclusion, and matrix forming. The traditional Chinese medicine composition is scientific in compatibility, high in transdermal absorption efficiency, stable in drug effect, high in safety and convenient to use, can effectively inhibit thyroid nodule hyperplasia and reduce the nodule volume, and is suitable for clinical adjuvant therapy of thyroid nodules.

The application discloses a kind of synergistic feed additive for preventing and treating fatty liver disease of laying hen.The feed includes the following components: 15%-25% of bile acid;10%-20% of hemolyzed lecithin;5%-15% of L-carnitine;15%-25% of N-acetylcysteine (NAC);10%-20% of rosemary acid extract;1%-3% of selenium yeast;the balance of carrier;wherein, the carrier is one or more of water-soluble silicon dioxide, expanded rice hull powder and calcium hydrogen phosphate.The technical scheme of the application contains a multi-component, multi-target synergistic feed additive composition of L-carnitine, which simultaneously acts on multiple key links of fat metabolism (intestinal tract reduction, liver export, mitochondrial oxidation and antioxidant protection), to achieve efficient prevention and treatment of fatty liver disease of laying hen.

The invention discloses a tenebrio molitor pupa breeding technology and an eating method, and belongs to the technical field of tenebrio molitor pupae. The breeding process comprises the following steps: preparing feed by taking wheat bran, selenium-enriched yeast, selenium-enriched vegetables and traditional Chinese medicinal material powder as raw materials, and feeding tenebrio molitor larvae until the tenebrio molitor larvae grow to a mature stage; placing the mature larvae of the tenebrio molitor in a low-temperature environment of 0-12 DEG C for refrigeration; when fresh pupae are required to eat, the refrigerated mature tenebrio molitor larvae are recovered and pupated at the temperature of 25-35 DEG C, and the fresh pupae pupated within 15 min are obtained. According to the method, pupation centralization of the tenebrio molitor larvae is achieved, instant supply of fresh pupae is guaranteed, commercialization requirements are met, the nutritional quality of the fresh pupae is improved, the problem of side effects possibly caused by eating of the fresh pupae is solved, and the aim of conditioning the body of the tenebrio molitor pupae is achieved.

The invention discloses a method for screening a high-activity selenium-enriched yeast strain based on a protein conformation index, yeast protein and application. Relates to the technical field of food processing. Comprising the following steps: S1, providing a plurality of different yeast strains; s2, respectively culturing the yeast strains in a selenium-containing culture medium and a control selenium-free culture medium to obtain selenium-enriched yeast and control yeast; s3, respectively extracting proteins from the selenium-enriched yeast and the control yeast to obtain selenium-enriched yeast proteins and control yeast proteins; s4, representing and comparing conformational changes of the selenium-enriched yeast protein and the control yeast protein, wherein the conformational changes comprise beta-folding content and surface hydrophobicity; and S5, based on the conformational change, screening out the selenium-enriched yeast protein. According to the method provided by the invention, the problem of screening blindness caused by pure dependence on selenium content indexes in the prior art is solved, and a new technical path is provided for development of high-activity selenium-enriched yeast products.

The invention discloses a laying fowl health-care composite additive and a preparation method thereof, and belongs to the technical field of nutrition and health care for laying hen breeding. The compound additive takes water as a carrier, contains microencapsulated vitamin A, coated vitamin C, micro-emulsified vitamin E and 25-hydroxyvitamin D3 as well as low-temperature coated probiotics and ultrasonic-enzymolysis selenium yeast, and solves the problems of poor stability, low bioavailability, inconvenience in administration and the like of a traditional additive. The preparation method comprises the following steps: microencapsulation / nanoemulsion embedding, directional fermentation and concentration of probiotics, organic selenium ultrasonic-enzymolysis pretreatment, and compounding and blending under the protection of nitrogen. The additive is of a clarified microemulsion type, can significantly improve comprehensive benefits of egg poultry breeding, achieves the goals of high yield, excellent shell, rich selenium and low death and culling, is suitable for large-scale automatic breeding, and has a shelf life of more than or equal to 12 months at 25 DEG C.

This invention discloses a natural nano-selenium optimized composition, belonging to the technical field of functional foods and bioactive preparations. The composition uses sodium L-ascorbate, selenium-enriched yeast, L-ascorbic acid, D-biotin, and L-selenomethylselenocysteine ​​as core raw materials, compounded with edible corn starch, maltodextrin, magnesium stearate, and hydroxypropyl starch in empty capsules; each capsule contains 100 μg selenium, 100 μg biotin, and 100 mg vitamin C. This invention, through the synergistic effect of multiple selenium forms with vitamins and biotin, forms a stable natural nano-selenium system, selectively inhibiting cancer cell proliferation and inducing cancer cell apoptosis, while simultaneously repairing damaged body tissues and cells. It exhibits high bioavailability and good safety, making it suitable for adjuvant tumor treatment and body damage repair.

The present application provides a ginsenoside-protein peptide complex for nutritional support of cancer patients, and a preparation method and application thereof, and belongs to the technical field of post-chemotherapy nutritional support.The present application comprises ginsenoside Rg3 5-7 parts, ginsenoside Rh2 2-4 parts, Compound K 0.5-1.5 parts, whey protein peptide 80-120 parts, marine fish scale peptide 25-40 parts, beta-glucan 8-12 parts, nano-curcumin 15-25 parts, HMB 20-30 parts, sodium butyrate 35-50 parts, N-acetylcysteine 40-60 parts, vitamin C 40-60 parts, and selenium yeast 0.6-1 part by weight.The present application can play an anti-tumor auxiliary role, provide nutritional support for cancer patients after chemotherapy, reduce the side effects of chemotherapy, and improve the quality of life.

The application discloses a kind of vitamin mineral beverage, wherein the component content of each 1000kg drinking water is: vitamin A 300-400mg, vitamin C 50000-60000mg, vitamin D33.8-5mg, vitamin E 6000-8500mg, vitamin B1600-900mg, vitamin B2600-900mg, vitamin B6900-1500mg, vitamin B120.9-1.5mg, nicotinamide 6000-9000mg, biotin 16000-20500mg, pantothenic acid 2800-4400mg, folic acid 320-440mg, calcium carbonate 336000-560000mg, pyrophosphate iron 4500-6500mg, zinc oxide 4500-7500mg, selenium-rich yeast 16-20mg, copper citrate 4500-7500mg, manganese citrate 2000-4000mg, sweetener 150-200g, essence 200-300g, the application provides the vitamin and mineral substance needed by human body, solve the problem of insufficient vitamin mineral intake, prevent deficiency, improve immunity, achieve the effect of nutrition and health care.