660 results about "Antioxidant capacity" patented technology

The invention belongs to the technical field of microbial fermentation, and particularly relates to lactobacillus rhamnosus capable of maintaining bone health and improving local joint inflammation and a metagen and application of the lactobacillus rhamnosus. According to the invention, the probiotic NKU ML1-2 is subjected to fermentation culture, such that a post-generation product is prepared. Results of embodiments prove that the metagen product can enhance the oxidation resistance of cartilage and osteoblasts and promote the synthesis of anti-inflammatory factors and cartilage matrixes (type II collagen and proteoglycan), and has the potential of relieving oxidative stress and inflammatory response of local joints, relieving joint inflammation and delaying cartilage destruction. The prepared metagen product is high in safety and good in stability, and can be applied to preparation of medicines for preventing and / or treating osteoarthritis; the metagen product can also be used for promoting bone health, enhancing the antioxidant capacity of osteoblasts and / or chondrocytes, promoting osteoblast activity and / or promoting calcium absorption and fixation, and a new solution is provided for joint health management.

The invention provides a novel enterococcus strain Enterococcus qinghaiensis SCFF543 and an anti-oxidation application of the novel enterococcus strain Enterococcus qinghaiensis SCFF543, and belongs to the technical field of microorganisms. Wherein the strain is preserved in the China General Microbiological Culture Collection Center (CGMCC) on June 10, 2025, and the preservation number is CGMCC No.34843. The invention further discloses a preparation method of the strain. The strain is separated from homemade casein of herdsman families in Demaoha City in Haixi, Qinghai province, has the advantages of strong antioxidant capacity, no vancomycin resistance, strong adhesiveness and the like, and can be suitable for preparing probiotic products with antioxidant effects.

The invention belongs to the technical field of biological medicines, and particularly discloses a composition with functions of reducing blood sugar and blood fat as well as a preparation method and application of the composition. Chinese herbal compound medicinal materials are subjected to water extraction and high-temperature and high-pressure sterilization, and lactobacillus rhamnosus SHA113 bacterial sludge is resuspended in a water extract to obtain the composition of lactobacillus rhamnosus SHA113 and the Chinese herbal compound; the traditional Chinese medicine compound composition comprises astragalus membranaceus, raw Chinese yam, hawthorn, gynostemma pentaphylla, liquorice and jujube; the preservation number of the lactobacillus rhamnosus SHA113 is CCTCC (China Center For Type Culture Collection) NO: M 2017838; the lactobacillus rhamnosus SHA113 and traditional Chinese medicine compound composition can remarkably reduce the content of triglyceride and cholesterol in serum, control the fasting blood-glucose level, relieve accumulation of triglyceride and cholesterol in the liver and improve the oxidation resistance of the liver, has wide market potential and application prospects, and has wide application prospects. The compound can be applied to preparation of drugs for reducing blood sugar and blood fat.

The invention belongs to the technical field of microbial fermentation, and discloses lactobacillus mucilaginosus and application thereof in preparation of a uric acid reducing preparation. The survival rate of the fermented lactobacillus mucus in simulated gastric juice with the pH value of 2.0 for 3 hours is greater than 92%, the survival rate in simulated intestinal juice environment containing 0.5% of cholate is greater than 86%, and the viability of the fermented lactobacillus mucus is obviously higher than that of a conventional strain; and the tea has the effects of reducing uric acid, resisting oxidation and inhibiting pathogenic bacteria. The xanthine oxidase inhibition rate of the natural medicinal and edible compound potion obtained by mixing and co-fermenting the strain and existing bacterial powder is greater than 77% (45% or more higher than that of an unfermented group), and the oxidation resistance after fermentation can be improved by 50% at the same time. The beverage is suitable for being drunk as a daily functional food for a long time, and provides a natural and healthy collaborative diet relieving scheme for patients with hyperuricemia and gout.

The invention relates to an anti-wrinkle and anti-aging composition and application thereof. The anti-wrinkle and anti-aging composition is prepared from hydrolyzed rice protein, a bifidus yeast fermentation product lysate, dipeptide diaminobutyryl benzyl amide diacetate, adenosine, hydroxydecyl ubiquinone, ceramide NP, palmitoyl tripeptide-5, carnosine and acetyl hexapeptide-8. According to the present invention, the components achieve the synergistic effect, such that the fibroblast proliferation can be promoted, the cell metabolism can be improved, the generation of collagen, elastin and the like can be promoted, the excellent oxidation resistance can be provided, and the effects of expression line inhibition, existing wrinkle fading and long-term aging resistance can be combined.

The invention discloses a plant lactobacillus with light aging resistance and an application thereof. The preservation number of the plant lactobacillus cj001 disclosed by the invention is CGMCC (China General Microbiological Culture Collection Center) No.35419. The fermentation supernatant of the plant lactobacillus cj001 shows good anti-aging activity and in-vitro antioxidant activity, and the growth ability of HaCaT cells is promoted. After the combined fermentation product of the plant lactobacillus cj001 and the lactobacillus paracasei Grx701 is subjected to ultraviolet radiation, the proliferation of HaCaT cells can be promoted, the endogenous antioxidant capacity of human skin cells can be enhanced, the photooxidation damage can be effectively relieved, and the combined fermentation product has a wide application value in the field of preparation of products with antioxidant, anti-aging, anti-ultraviolet damage, anti-photoaging and the like.

The invention discloses lactobacillus fermented concentrated asparagus extracted juice with the effect of preventing helicobacter pylori infection as well as preparation and application of the lactobacillus fermented concentrated asparagus extracted juice, and belongs to the technical field of food biotechnology and microbial fermentation. The concentrated asparagus beverage is prepared from the following raw materials: 20-50 parts of concentrated asparagus extract juice, 50-80 parts of purified water, 2-6 parts of glucose, 2-4 parts of white granulated sugar, 0.01-0.1 part of sodium D-isoascorbate and 0.001-0.01 part of compound lactic acid bacteria. The fermented and concentrated asparagus extraction juice is prepared by taking asparagus as a raw material, crushing, extracting, concentrating and fermenting, and the antioxidant capacity, the inhibition capacity on helicobacter pylori, the prevention and treatment effects on helicobacter pylori infection and the like of the obtained fermented and concentrated asparagus extraction juice are obviously improved. The asparagus extracted juice can be widely applied to the field of prevention and / or treatment of helicobacter pylori infection, and is particularly applied to preparation of drugs for prevention and / or treatment of helicobacter pylori infection.

The invention discloses a method for inhibiting browning of apple juice through combination of ultrahigh pressure and medicinal and edible substances, and belongs to the technical field of fruit processing. In order to solve the problems of color deterioration, nutrition loss and flavor loss caused by enzymatic browning in the processing and storage processes of non-concentrated and reduced apple juice, the technical scheme is characterized in that fresh apples, gastrodia elata and phyllanthus emblica are respectively prepared into juice, gastrodia elata juice and phyllanthus emblica juice are added into the apple juice according to a ratio, and the juice is added into the apple juice according to a ratio. The raw materials are stirred, mixed, packaged and packaged, then subjected to ultrahigh pressure treatment with specific parameters at a constant temperature, and finally subjected to low-temperature storage. The preparation method can effectively inhibit the activity of polyphenol oxidase and peroxidase, delay the browning process and remarkably improve the oxidation resistance of fruit juice, and is mainly used for quality maintenance and browning inhibition of natural and additive-free apple juice and other fruit and vegetable juice.

The invention discloses a preparation method of CsPHT1; the invention discloses modification of selenium element absorbed by tea and application of the gene 3 to feed, and relates to the field of agricultural gene engineering. CsPHT1 (CsPHT1); the gene 3 is GenBank: OP219455.1, gene mutation of D144K and T150V is carried out on the gene 3, and the amino acid sequence after mutation is shown as SEQ ID No: 01; tea tree CsPHT1; 3, the cultivation of D144K and T150V gene mutation seedlings is improved by the gene. The new variety cultivated by the invention can improve the selenium content and the oxidation resistance of the selenized tea polysaccharide without being influenced by the change of pH 5-7; the selenium-supplementing feed is obtained by mixing the high-selenium tea leaves with the feed, and the requirements of the current high-end feed market are met.

The invention relates to the technical field of biomedical materials, in particular to a preparation method of TPP-mediated mitochondrial-targeted cerium-doped antioxidant carbon quantum dots, which comprises the following steps: mixing citric acid, urea and cerium salt serving as raw materials, and reacting by adopting a hydrothermal method to synthesize the cerium-doped carbon quantum dots; then triphenylphosphine is grafted to the surface of the cerium-doped carbon quantum dot through an amide method, separation and purification are carried out after the reaction is completed, the target carbon quantum dot is obtained, and the cerium element in the cerium salt is used for endowing the carbon quantum dot with an anti-oxidation function. The carbon quantum dots prepared by the method are accurate in mitochondria targeting and strong in oxidation resistance, the preparation process is simple, convenient, environment-friendly and large-scale, and the product is uniform in particle size, stable in fluorescence, good in biocompatibility and wide in application prospect in the field of biomedicine.

The invention discloses an application of ganoderma lucidum spore oil in preparation of a medicine or health food for improving sarcopenia. Ganoderma lucidum spore oil can effectively improve weight loss and muscle hypofunction induced by glucocorticoid, and improve the holding power and exercise tolerance level of the body; meanwhile, the skeletal muscle mass and the muscle fiber cross sectional area can be increased, and the skeletal muscle tissue morphological structure is improved; in addition, the ganoderma lucidum spore oil can improve the oxidation resistance of the body and skeletal muscle and reduce the oxidative stress level, so that the skeletal muscle injury related to aging is relieved on the whole. Therefore, the ganoderma lucidum spore oil has a definite application value in the aspect of improving the skeletal muscle function.

The invention belongs to the field of seawater desalination separation membrane preparation, and particularly relates to a preparation method and application of a seawater desalination reverse osmosis membrane with oxidation resistance. The preparation process of the reverse osmosis membrane for seawater desalination is adjusted, and a micromolecular antioxidant containing a phenolic hydroxyl group and a tert-butyl structure is introduced in a swelling-embedding manner after interfacial polymerization is completed, so that on one hand, the oxidation resistance of the reverse osmosis membrane is improved, and on the other hand, the embedding of the micromolecular antioxidant makes up for the defects of a polyamide layer; the desalination and boron removal capabilities are improved. The antioxidant capacity of the polyamide can be improved under the condition that the desalting capacity of the polyamide is not sacrificed. The seawater desalination reverse osmosis membrane prepared by the method provided by the invention has higher oxidation resistance and better desalination and boron removal capabilities than an original membrane.

The invention discloses a compound rumen bypass guanidinoacetic acid additive as well as a preparation method and application thereof, and belongs to the technical field of animal feed additives. The compound rumen bypass guanidinoacetic acid additive provided by the invention is prepared from the following components in parts by mass: 40 to 60 parts of guanidinoacetic acid, 0.1 to 0.5 part of selenium yeast, 5 to 10 parts of nicotinamide, 5 to 12 parts of DL-methionine, 0.01 to 0.05 part of vitamin B12, 1 to 3 parts of compound probiotics, 3 to 5 parts of hydroxypropyl methyl cellulose, 1 to 2 parts of ethyl cellulose, 15 to 25 parts of hydrogenated palm oil and 3 to 5 parts of glyceryl monostearate. The compound probiotics comprise bacillus subtilis and saccharomyces cerevisiae. The compound additive provided by the invention can significantly improve the daily gain of ruminants and reduce the feed-gain ratio, and meanwhile, due to the improvement of the energy utilization efficiency and the enhancement of the antioxidant ability, the immunity of animals is improved, the morbidity is reduced, and the meat quality is improved.

The invention provides a reduced coenzyme Q10 and gamma-aminobutyric acid eutectic crystal and a preparation method and application thereof, and belongs to the technical field of eutectic crystal manufacturing. In the eutectic crystal, the molar ratio of the reduced coenzyme Q10 to the gamma-aminobutyric acid is 1: 2, and the structural formula of the eutectic crystal is as shown in formula I. The eutectic crystal has the advantages of good stability, low cytotoxicity and strong oxidation resistance.

The invention provides isolated Ackermansiella muciniphila, a composition containing the same and an anti-aging and / or anti-oxidation application of the Ackermansiella muciniphila. The Akkermansia muciniphila has the advantages that the average life and the longest life of the Akkermansia muciniphila in a nematode model can be prolonged, the movement activity, the swallowing function and the reproductive capacity of the Akkermansia muciniphila can be improved, the expression of insulin / IGF-1 pathway genes (daf-16, daf-2 and age-1), the expression of antioxidant genes (gst-4 and sod-3) and the expression of longevity related genes (sir-2.1) of the Akkermansia muciniphila can be up-regulated, and the antioxidant capacity and the heat stress tolerance of the Akkermansia muciniphila can be enhanced. It is shown that the Akkermansia muciniphila provided by the invention can be used for preparing or developing the anti-oxidation and anti-aging products, and the anti-oxidation and anti-aging products can be prepared from the Akkermansia muciniphila. The invention provides an efficient and safe solution for anti-aging and / or anti-oxidation.

The invention provides a pine pollen fermentation product with anti-wrinkle and anti-aging functions as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The pine pollen extract is prepared by fermenting lactobacillus plantarum, the total polysaccharide content of the obtained pine pollen fermentation product is maximally increased by 77.3%, the FRAP total antioxidant capacity is maximally increased by 2.85 times compared with that of the unfermented pine pollen fermentation product, the anti-wrinkle effect of human skin cells can be effectively improved, and the pine pollen extract has a relatively strong proliferation effect on an ultraviolet damage model of human skin fibroblasts; the pine pollen extract has the advantages that the pine pollen extract is fermented, the elastin content is remarkably increased, the life of nematodes is effectively prolonged, lipofuscin deposition is reduced, and compared with unfermented pine pollen extract, the anti-aging capacity of the pine pollen can be effectively improved; the preparation method provided by the invention is low in price and simple in process, and the active ingredients and the efficacy of the traditional Chinese medicine composition are improved in a simplest and effective manner.

The invention discloses liver peptide capable of protecting liver and improving asthenopia as well as a preparation method and application of the liver peptide, and belongs to the technical field of biology. The liver peptide contains at least one of DAIP, SPF, DIAP, SLP, AVGP or NLP, and the prepared liver peptide has multiple physiological effects: the liver peptide can effectively activate ADH enzyme activity, reduce ALT and AST levels and protect liver cells; the lipid metabolism is improved by regulating and controlling the expression of the SREBP-1c, the FAS and the PPAR-alpha genes; meanwhile, the antioxidant capacity is remarkable, the ROS level can be reduced, and the SOD content and the CAT content can be increased; the expression of RPE65 and LRAT genes can be up-regulated, and the visual function is maintained. The method disclosed by the invention is simple in process and convenient to operate, the obtained liver peptide can be widely applied to the field of functional products for protecting the liver, improving visual fatigue and the like, and an innovative solution is provided for high-value utilization of liver resources.

The invention provides a composite sun-screening agent based on an encapsulation technology as well as a preparation method and application of the composite sun-screening agent. The preparation method of the composite sun-screening agent comprises the following steps: fully dispersing hydroxyapatite nanoparticles in an alkaline solvent, adding a dopamine monomer, and carrying out oxidative polymerization reaction, centrifugal washing and drying to obtain HAP-PDA composite nanoparticles; and fully dispersing the HAP-PDA composite nanoparticles in a solvent, adding a mixed solution of a chemical sun-screening agent and an antioxidant and a surfactant, and performing encapsulation reaction and centrifugation to obtain the product. According to the invention, a polydopamine and hydroxyapatite composite encapsulation technology is innovatively adopted, so that the stability and biocompatibility of the sun-screening agent and the antioxidant are remarkably improved, the sun-screening effect is enhanced, and the product is endowed with a lasting sun-screening effect and excellent oxidation resistance. According to the invention, the limitation of a traditional sunscreen product is broken through, and safer, more efficient and more comfortable sunscreen experience can be provided for consumers.

The invention belongs to the technical field of cosmetics, and discloses a preparation process of a composition with an anti-wrinkle effect and application of the composition in cosmetics, the composition comprises a mixing tank, and the top of the mixing tank is provided with a tank cover; the discharging pipe is connected to the bottom of the mixing tank; the first driving part is connected to the top of the tank cover, the output end of the first driving part is connected with a rotating shaft, and a first cleaning assembly is arranged in the bottom end of the rotating shaft; the stirring rod is connected to the outer side of the rotating shaft, and stirring assemblies are arranged on the outer side of the stirring rod and the bottom of the rotating shaft. Through natural plant extracts and bioactive components, skin barriers are repaired while deep moisturizing and skin color brightening are achieved, the problem of dry skin is solved, the elasticity and compactness of the skin are improved, fine lines and wrinkles are reduced, skin aging is delayed, the antioxidant capacity is high, and compared with other anti-wrinkle products, chemical additives harmful to the skin are not contained; and the formula is low in cost and suitable for large-scale production.

The invention discloses a preparation method of ganoderma lucidum mutant strain active polysaccharide and application of the ganoderma lucidum mutant strain active polysaccharide in oxidation resistance, and relates to the technical field of biology. The ganoderma lucidum mutant strain active polysaccharide is prepared by taking mycelium of a ganoderma lucidum mutant strain CGMCC No.23283 as a raw material and adopting a water extraction and alcohol precipitation method. The invention develops a novel ganoderma lucidum active polysaccharide, and a ganoderma lucidum strain adopted by the ganoderma lucidum active polysaccharide is cultured by a space mutation technology. Compared with common ganoderma lucidum strain polysaccharide, the polysaccharide provided by the invention is more prominent in antioxidant activity, and is more excellent in key indexes such as total antioxidant capacity and free radical scavenging. The invention provides a new biological material resource for the preparation of antioxidant products.

This invention belongs to the field of food fermentation technology, and specifically relates to a compound probiotic agent and its application in the preparation of fermented soy milk. This invention provides a compound probiotic agent composed of *Lactobacillus fermentum* NCPS LF01, *Pediococcus pentosaceus* NCPS PPE01, and *Lactobacillus acidophilus* NCPS LA01 in a volume ratio of 1-2:1:1, and applies this compound probiotic agent to the preparation of soy products, especially fermented soy milk. The beneficial effects of this invention are that fermented soy milk prepared using this compound probiotic agent has a rich flavor, and the total flavonoid and total phenolic content, as well as the in vitro DPPH free radical scavenging rate, are significantly superior to those of ordinary commercially available strains or other strains. In summary, this compound probiotic agent can effectively improve the retention level of active ingredients and antioxidant capacity of fermented soy milk, and has outstanding application value.

This invention provides an antiviral sulfated mulberry leaf oligosaccharide, its preparation method, animal feed, and applications, belonging to the field of oligosaccharide technology. The invention involves microwave degradation and H2O2-Vc degradation of mulberry leaf polysaccharides, followed by sulfation modification of the degradation products to obtain sulfated mulberry leaf oligosaccharides. Experiments have shown that adding sulfated mulberry leaf oligosaccharides to feed for aquaculture can promote the growth of largemouth bass, improve feed utilization, antioxidant capacity, lipid metabolism, immune function, and enhance resistance to viral infections.

The invention discloses an anti-oxidation, whitening and brightening composition as well as a preparation method and application thereof. The anti-oxidation, whitening and brightening composition is prepared from the following components in parts by weight: 2 to 6 parts of nicotinamide, 0.5 to 5 parts of tranexamic acid, 1 to 5 parts of nonapeptide-1 solution, 0.5 to 1 part of tetrahydromethylpyrimidine carboxylic acid, 0.5 to 2 parts of pink red plum compound essence, 0.01 to 0.5 part of hydroxyethyl piperazine ethanesulfonic acid, 0.01 to 0.5 part of glabridin and 0.0001 to 0.2 part of glutathione. According to the invention, the composition prepared from nicotinamide, tranexamic acid, nonapeptide-1, tetrahydromethylpyrimidine carboxylic acid, pink-red plum composite essence, hydroxyethyl piperazine ethanesulfonic acid, glabridin and glutathione is prepared into the essence, and the clearance rate of the essence to ABTS free radicals reaches 58% or above, which shows that the essence has very good antioxidant ability; the cell tyrosinase activity inhibition rate of the composition under the concentration of 1.2% (v / v) reaches 51% or above, which shows that the composition has very good whitening and brightening effects.

The present application relates to the field of microorganism, and particularly to a strain of Buttiauxella agrestis 33, a vegetable fresh-keeping agent and application thereof.The present application provides a strain of Buttiauxella agrestis 33, and the preservation number of the strain is CGMCC No.34251.After the strain is used to treat green flower, the yellowing of the green flower after harvesting can be significantly inhibited.Then, the expression of genes related to chlorophyll metabolic pathway and antioxidant enzyme in the green flower treated by the Buttiauxella agrestis 33 is detected by real-time fluorescent quantitative reverse transcription PCR, and the result shows that the Buttiauxella agrestis 33 can inhibit the yellowing of the green flower after harvesting and improve the antioxidant capacity of the green flower by activating the expression of genes related to chlorophyll synthesis and antioxidant enzyme.

The invention provides a method for improving the oxidation resistance of phenylalanine based on N-nicotinoyl modification and application of the method. According to the method, N-nicotinoyl phenylalanine amide with antioxidant activity is obtained through chemical synthesis or enzymatic synthesis, and the antioxidant performance of N-nicotinoyl phenylalanine amide is evaluated by using an ABTS free radical scavenging method. Results show that the N-nicotinoyl phenylalanine amide can delay lipid oxidation in a food system, prolong the shelf life of the product and maintain the nutritional stability; in a cosmetic system, skin oxidative damage can be relieved, skin aging can be delayed, and skin color can be improved. The compound disclosed by the invention can show a remarkable antioxidant effect under the condition of a relatively low addition amount, so that a safe and effective antioxidant is provided for the fields of foods and cosmetics, and the compound has a good application value and a good popularization prospect.

The invention discloses a liver-protecting beverage containing a composite plant exosome with optimized antioxidant capacity. The liver-protecting beverage comprises a plant exosome solution and a liver-protecting component, the plant exosome solution is a silybum marianum exosome solution and at least two of a Pingyin red rose exosome solution, a radix puerariae exosome solution, a turmeric exosome solution and a dandelion exosome solution; the liver protection component is at least one of silybum marianum micro-capsule powder, a radix puerariae extract, corn peptide, a dandelion extract and S-acetyl-L-glutathione. Hydroxyl and amido on small molecules are combined with lipid structures on the surfaces of multiple plant exosomes, small molecule active ingredients are combined through adsorption or reaction on the surfaces of the lipid structures of the exosomes, the oxidation resistance of the product can be improved, absorption of intestinal cells and probiotics is facilitated, cell metabolism is promoted, and then the fatigue feeling is reduced.

The invention provides a probiotic fermentation and bacterial powder compound addition chewable tablet and a preparation method thereof, and belongs to the technical field of microorganisms, the preparation method comprises the following steps: respectively adding water into apple peel, cerasus humilis fruits and aronia melanocarpa fruits, pulping, and mixing in proportion to obtain mixed fruit pulp; a mixed bacterium solution of lactobacillus plantarum LNJ-HQ-01 and lactobacillus fermentum BNCC194390 is added into the mixed fruit pulp, and fermentation is performed; freeze-drying and grinding the fermented fruit pulp to obtain freeze-dried fruit powder; the preparation method comprises the following steps: respectively activating lactobacillus plantarum LNJ-HQ-01, lactobacillus acidophilus BNCC186447 and lactobacillus rhamnosus ATCC7469, performing enlarged culture, taking bacterial sludge, uniformly mixing the bacterial sludge with a freeze-drying protective additive, and performing freeze-drying to obtain freeze-dried bacterial powder; and uniformly mixing the fruit powder, the freeze-dried bacterial powder and the medicinal auxiliary materials, and tabletting to obtain the probiotic chewable tablets. The probiotic chewable tablet is high in dietary fiber content, effective calcium content and total phenol content, high in oxidation resistance and suitable for calcium supplement of special groups such as diabetics and the like.

The application discloses an anti-oxidation fermented Chinese herbal medicine mixed substitute tea and a preparation method thereof, and relates to the technical field of substitute tea processing and preparation. The anti-oxidation fermented Chinese herbal medicine mixed substitute tea comprises Sanghuang, Huangqi, Huangjing, Renshen and Gouqi, and the weight ratio of the raw materials is as follows: Sanghuang:Huangqi:Huangjing:Renshen:Gouqi = 4:2:2:1:1. The preparation method comprises the following steps: crushing, fermentation, drying, sterilization, sub-packaging, vacuum sealing, outer packaging, sampling quality inspection and storage in a warehouse. The anti-oxidation fermented Chinese herbal medicine mixed substitute tea is prepared by using a specific formula and biological fermentation of Inonotus hispidus, and the dissolution rate of anti-oxidation active ingredients of Chinese herbal medicines is significantly improved, and the anti-oxidation capacity is far superior to that of conventional physical mixed substitute tea. The fermentation process can efficiently degrade the cell walls of Chinese herbal medicines, so that the polysaccharides and other core anti-oxidation substances in Sanghuang, Huangqi, Huangjing, Renshen and Gouqi are fully released, DPPH, hydroxyl and other free radicals can be directly removed, and the Keap1-Nrf2-ARE signal path in the body can be activated, so that the anti-oxidation defense system of the body is doubly strengthened, and the anti-oxidation effect is improved from the root.

The invention discloses pediococcus acidilactici and application thereof in preparation of a medicine for preventing or treating diarrhea of yak calves, and belongs to the technical field of microorganisms. The pediococcus acidilactici is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC NO: M20252012, and the preservation date is September 12, 2025. The strain has remarkable bacteriostatic activity on yak-derived multi-drug-resistant escherichia coli (the accession number of NCBI is PP859186). After the probiotic preparation is orally taken, the yak calf diarrhea induced by escherichia coli can be effectively relieved, the diarrhea rate and the inflammatory factor level are remarkably reduced, the oxidation resistance is improved, the flora structures of intestinal bacteria and fungi are adjusted, and the micro-ecological balance is restored. The invention provides a safe, green and efficient alternative antibody product which is suitable for the plateau yak breeding industry.

A preparation method of the whey protein isolate-phospholipid complex embedded fucoxanthin emulsion comprises the following steps: (1) mixing and homogenizing phosphatidyl glyceride and a buffer solution to obtain a phospholipid emulsion, and the phosphatidyl glyceride is selected from DHA (docosahexaenoic acid) phosphatidyl glycerol monocaprylate, DHA phosphatidyl glycerol monocaprylate and the like; the phospholipid emulsion and the whey protein isolate solution are mixed and homogenized, and whey protein isolate-phospholipid compound O / W emulsion is obtained; and (2) dropwise adding the fucoxanthin solution into the whey protein isolate-phospholipid compound O / W emulsion, and stirring to obtain the fucoxanthin emulsion. The whey protein isolate-phospholipid compound embedded fucoxanthine emulsion disclosed by the invention is good in stability, high in encapsulation efficiency, excellent in oxidation resistance and high in bioavailability of fucoxanthine, and the particle size of the emulsion is 200 nm or less. According to the research, the application of the novel phospholipid in the aspect of stable emulsion system construction is expanded, and a new thought and direction are provided for embedding and delivery of active substances.