323 results about "Lactylate" patented technology

The invention discloses lactobacillus plantarum, the Latin name of the lactobacillus plantarum is Lactiplantarum, the lactobacillus plantarum is named as BQ-3, the lactobacillus plantarum is preserved in Guangdong Microbial Culture Collection Center on January 15, 2025, and the preservation registration number of the lactobacillus plantarum is GDMCC No.65791; secondly, the invention further discloses a microbial fermentation agent, and the effective components of the microbial fermentation agent comprise the lactobacillus plantarum. In addition, the invention also discloses an application of the lactobacillus plantarum or the microbial fermentation agent in fermentation of the rotten vegetable leaves, and an application of the fermented rotten vegetable leaves prepared by the application of the lactobacillus plantarum or the microbial fermentation agent in fermentation of the rotten vegetable leaves in fattening feed. The lactobacillus plantarum strain disclosed by the invention has the beneficial effects that the lactobacillus plantarum strain is separated and screened from naturally-fermented rotten vegetable leaves, and has the characteristics of high lactic acid production speed and high yield; when applied to the fermentation of the rotten vegetable leaves, the strain can quickly produce acid, reduce the pH value, reduce the loss of dry matters, retain nutrients, inhibit the generation of ammoniacal nitrogen and putrefying acid, significantly improve the fermentation quality and prolong the storage life; the feed additive can promote fattening growth of livestock when applied to feeds.

The invention discloses an ionic conductive gelatin hydrogel with high compression strength and a preparation method thereof. The preparation method of the ionic conductive gelatin hydrogel with high compression strength comprises the following steps: respectively preparing a gelatin solution and a montmorillonite dispersion liquid; adding sodium lactate into the gelatin solution, and heating and stirring to obtain a gelatin-sodium lactate mixed solution; adding the montmorillonite dispersion liquid into the gelatin-sodium lactate mixed solution, heating and stirring to obtain a precursor solution, and cooling to obtain the gelatin-sodium lactate-montmorillonite hydrogel. According to the preparation method provided by the invention, the defects of poor mechanical property, poor ionic conductivity and the like of the gelatin hydrogel can be improved, and then the gelatin hydrogel with high compression strength and ionic conductivity is prepared.

The invention discloses a composition for regulating scalp micro-ecology, which comprises a component A and a component B, the component A is prepared from the following components in parts by weight: 5 to 15 parts of amur corktree bark extract, 3 to 14 parts of rhizoma coptidis root extract, 5 to 15 parts of radix sophorae flavescentis extract, 2 to 8 parts of rhus chinensis insect gall extract, 2 to 18 parts of fructus cnidii extract, 3 to 10 parts of pericarpium zanthoxyli extract, 1 to 5 parts of camphor tree root extract, 3 to 12 parts of ginger root extract, 5 to 15 parts of radix polygoni multiflori extract and 5 to 25 parts of swertia japonica extract; 10-30 parts of a Chinese arborvitae twig and leaf extract; the component B is prepared from the following components in parts by weight: 70 to 90 parts of cocamidopropyl-PG-sodium dimethyl ammonium chloride phosphate, 10 to 30 parts of sodium isostearoyl lactylate and 1 to 10 parts of dichlorobenzyl alcohol; the weight ratio of the component A to the component B is 10: 1. The composition can effectively regulate scalp micro-ecological balance, remarkably inhibit overgrowth and reproduction of common harmful bacteria on scalp, protect or moderately promote growth of beneficial bacteria on scalp, maintain healthy flora structure and diversity, fundamentally improve scalp health by recovering and maintaining the balance state of scalp micro-ecology, and improve scalp quality. The shampoo has multiple good effects of controlling oil, preventing alopecia, relieving itching and removing dandruff.

The invention relates to selenium-enriched pediococcus acidilactici Se34 with anti-oxidation, cholesterol-lowering and anti-tumor effects and application of the selenium-enriched pediococcus acidilactici Se34. The pediococcus acidilactici Se34 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number of the pediococcus acidilactici Se34 is CGMCC No.33933, and the preservation date of the pediococcus acidilactici Se34 is March 24, 2025. The pediococcus acidilactici Se34 provided by the invention integrates excellent probiotic characteristics (acid-resistant bile salt, safe and colonizable), efficient selenium enrichment capacity and remarkably enhanced activity of resisting oxidation, reducing cholesterol and inhibiting specific cancer cell proliferation and metastasis after selenium enrichment. The strain and the selenium-rich product thereof have important application value in the fields of developing functional foods (selenium-rich probiotic products), antioxidant / cholesterol-reducing health-care foods, potential auxiliary anticancer biological preparations or prodrugs and the like.

The invention belongs to the field of polymer chemistry and biological medicine materials, and relates to application of a polymer polysaccharide slow-release carrier in medicinal and edible components and a preparation method of the polymer polysaccharide slow-release carrier. The carrier is composed of phytic acid-genipin cross-linked modified chitosan, tannic acid, sodium lactate, glycerin, vitamin E acetate, sodium alginate and deionized water. The phytic acid-genipin cross-linked modified chitosan is prepared by reacting chitosan with phytic acid and genipin, and has reversible cross-linking and polydentate coordination properties; the tannic acid and the modified chitosan can form a multi-point hydrogen bond and esterification network. The carrier is prepared through sol-gel forming or spray drying, is stable in structure, good in dispersity, high in drug loading capacity, stable in an acid environment and controllable in release under a neutral condition, remarkably improves the slow release performance and bioavailability of medicinal and edible components, and is suitable for functional food and drug delivery systems.

The invention discloses a skin jelly preparation method capable of prolonging the shelf life through a compound technology, and relates to the technical field of food processing technologies. The method comprises the following steps: cutting an animal skin raw material, treating with a sodium carbonate solution, cleaning with a citric acid solution, boiling to extract a collagen solution, adding ascorbic acid and nisin, freezing and forming, drying in vacuum, performing irradiation sterilization and the like. According to the method, fat and impurities in the raw materials can be effectively removed, oxidation reaction and microbial reproduction can be inhibited, the moisture content can be reduced to 5% or below, and residual microorganisms can be thoroughly killed, so that the shelf life of the skin jelly can be remarkably prolonged to 12 months or above, meanwhile, good taste and nutritional value are kept, market requirements are met, and the production cost is reduced.

The present application relates to a kind of lactic acid powder scale, continuous production equipment and production method.Lactic acid and calcium lactate are used as raw materials, first, both are input simultaneously according to the set ratio into first hollow paddle dryer, then input into second hollow paddle dryer to complete mixing, drying, lactic acid dehydration in raw material lactic acid digestion and its eutectic with calcium lactate etc.Process, then the mixture is input into pulverizer to be crushed, finally, the target lactic acid powder product is collected and screened by cyclone separator and matching screen.The hollow paddle dryer and its matching equipment used in the present application not only ensure the full mixing of raw materials, but also have heating and drying functions, which can realize the hydrolysis and conversion of lactic acid anhydride, lactylate, poly-lactylate in various specifications of lactic acid raw materials and its eutectic with calcium lactate, drying one-step continuous completion while mixing the feed, and finally shorten the production cycle of the usual process about 4-30 days to the present application process on the same day or shift.

The invention relates to the technical field of silage, in particular to a whole-plant corn silage additive and application thereof. The whole-plant corn silage additive is prepared from bacillus subtilis GW-910 and bacillus subtilis GW-908. The whole corn silage is carried out by adding the bacillus with lignocellulose degradation capability as the silage additive, so that the concentrations of lactic acid and acetic acid are remarkably increased, the concentration of butyric acid is reduced, the contents of NDF, ADF, ADL and starch are remarkably reduced, the content of WSC is remarkably increased, and the quality of the whole corn silage is remarkably improved.

The invention relates to the technical field of active peptides, and discloses a yolk-derived active peptide for promoting bone growth and a preparation method thereof. The preparation method comprises the following steps: cleaning, selecting, sterilizing and drying poultry eggs to obtain sterile poultry eggs; performing spray drying on yolk to obtain yolk powder, and performing degreasing treatment to obtain degreased yolk powder; sieving the degreased egg yolk powder, and adding deionized water to obtain a degreased egg yolk powder suspension; adjusting the pH and temperature of the degreased yolk powder suspension, and performing enzymolysis to obtain enzymatic hydrolysate; inactivating the enzymatic hydrolysate for later use; adding calcium lactate and zinc lactate into the enzymatic hydrolysate, adding geobacillus stearothermophilus, and fermenting to obtain fermentation liquor; separating to obtain an active peptide solution. According to the yolk-sourced active peptide for promoting bone growth and the preparation method, the active peptide with small molecular weight is obtained through distributed enzymolysis and fermentation and is easy to absorb, and calcium ions and zinc ions are added during fermentation, so that the active peptide is chelated with metal ions, and growth and bone development are promoted.

The invention discloses a method for regulating and controlling the total acid content of primary liquor in Maotai-flavor liquor brewing, and belongs to the technical field of liquor brewing. Red tassel glutinous sorghum is crushed until the crushing degree is 10%-20%, preferably 13%-15%; the method comprises the following steps: mixing the crushed sorghum and fermented grains obtained after sand fermentation according to a mass ratio of 1: 1, and cooking in retort type gelatinization equipment at a conventional gelatinization temperature for 105-120 minutes, preferably 110 minutes; by adopting the method disclosed by the invention, the content of acetic acid in the fermented grains is obviously reduced by 13.82% at the end of fermentation, the content of acetic acid and the content of total acid in primary wine are respectively obviously reduced by 9.68% and 14.47%, the content of lactic acid is not obviously changed, the content of normal propyl alcohol is synchronously obviously reduced by 14.96%, and the content of other higher alcohols is stable. The method is simple in process, does not need new equipment, is completely compatible with the existing production line, and can effectively stabilize and improve the quality of the primary wine base.

The invention belongs to the technical field of food, and particularly relates to application of nisin in inhibiting plasmin activity and improving quality of milk and / or dairy products. The nisin disclosed by the invention can be used for remarkably inhibiting the activity of plasmin. The nisin disclosed by the invention is a food additive allowed to be used, the INS number is 234, and the nisin is high in safety. Plasmin is a key enzyme causing deterioration of milk and milk quality, and the nisin disclosed by the invention improves the quality of milk and / or dairy products from the source by inhibiting the activity of plasmin.

The invention belongs to the technical field of cosmetics, and particularly discloses a hair follicle nourishing composition containing tripeptide-1 and a preparation method of the hair follicle nourishing composition. Comprising the following components in parts by mass: 36.5-47.3 parts of a Korean ginseng extract, 24-30 parts of a green alga extract, 20-28 parts of lactobacillus / soybean extract fermentation product filtrate, 1-5 parts of sodium polyglutamate, 1-4 parts of hydrogenated vegetable oil glyceride, 0.5-1.5 parts of sodium lactate and 0.2-1 part of tripeptide-1. On the basis that sodium polyglutamate, hydrogenated vegetable oil glycerides, sodium lactate and tripeptide-1 are added, through the synergistic interaction of the Korean ginseng extract, the green alga extract and the lactobacillus / soybean extract fermentation product filtrate, the composition capable of effectively inhibiting the activity of malassezia furfur, relieving or eliminating scalp inflammation, preventing and treating scalp inflammation and the like is obtained. Human hair papilla cell proliferation is promoted, and hair follicles are effectively nourished.

The invention discloses a fish hydrolyzed collagen peptide-based flavor beverage and a preparation method thereof, and relates to the technical field of food beverages. The flavored beverage comprises the following raw materials: fish hydrolyzed collagen peptide, a compound flavor modification stabilizer, a compound sweetening agent, concentrated fruit and vegetable juice, casein phosphopeptides, VC magnesium phosphate, zinc lactate, a low-nucleic-acid yeast extract, sodium hyaluronate, an acidity regulator and purified water. The compound flavor modification stabilizer is matched with the low nucleic acid yeast extract to form synergistic flavor regulation and control, the hydrophobic bitter peptide fragment of the fish hydrolyzed collagen peptide and the fishy smell characteristic group are wrapped from the molecular level, and meanwhile, the soft modification on the sensory level is realized through the gamma-aminobutyric acid; the effect of debitterizing and deodorizing without adding artificial essence and a large amount of cane sugar is achieved, the product flavor is natural and harmonious, the sour and sweet taste is palatable, the beverage completely conforms to the current healthy consumption trend of low sugar and no artificial addition, and the problem that the beverage has flavor defects is solved.

The invention discloses a method for improving yield of branched chain aldehyde of lactococcus lactis based on regulation and control of a luxS gene and application, and belongs to the field of system biology. Gene function verification and genome scale metabolic network model analysis are creatively combined, the phenotypic effect of the luxS gene is confirmed, and more importantly, the internal action mechanism of the luxS gene is disclosed from the system level, that is, the whole metabolic network flow is influenced by regulating and controlling multiple key enzymes such as transaminase, decarboxylase, dehydrogenase and decarboxylase. The invention reveals that the quorum sensing core gene luxS has a new function of regulating and controlling synthesis of branched chain aldehyde in lactococcus lactis for the first time, and an intercellular communication system is directly linked with production of specific flavor metabolites. The invention provides a brand-new and higher-level regulation target and thought for producing flavor substances by microbial fermentation, and gets rid of the limitation that only metabolic pathway terminal enzyme is singly modified traditionally.

The invention relates to pediococcus acidilactici b1274 and application thereof, and belongs to the technical field of beneficial bacterium application. The pediococcus acidilactici b1274 is preserved in the China Center for Type Culture Collection on September 24, 2025, the preservation number is CCTCC M 20252094, and the pediococcus acidilactici b1274 is obtained by separation and purification from distiller's yeast. The pediococcus acidilactici can be used for preparing microbial enhanced distiller's yeast, is applied to brewing of fen-flavor liquor, and can improve the content of ethyl acetate, ethyl lactate and total acid in the liquor and reduce the content of acetaldehyde at the same time. Compared with a production control group, the content of ethyl acetate is increased by 50.0%, the content of ethyl lactate is increased by 8.1%, the total acid is increased by 46.4%, the acetaldehyde is reduced by 48.4%, the brewed white spirit shows the style of faint scent, purity, mellowness, fullness, softness, sweetness, freshness, long aftertaste and mellow and prominent acid ester taste, and a safe and reliable functional strain and a technical scheme are provided for improving the quality of the fen-flavor white spirit.

The present application relates to the technical field of reversing insulin resistance, and particularly relates to a composition with components for reversing insulin resistance and a preparation method thereof, the composition comprising quercetin, procyanidin, malic acid, magnesium carbonate, zinc lactate and grains, and through synergistic effects of the components, the composition can reduce fasting blood glucose, fasting insulin and insulin resistance index, and improve insulin sensitivity index, and overcomes the problems in the prior art that the components of the traditional Chinese medicine composition are complex, the effective components for reversing insulin resistance and the synergistic mechanism are not clear, and the content of the effective components in the same medicine is not consistent due to the influence of the growth environment, resulting in unpredictable treatment effect.

The invention belongs to the technical field of biochemistry and functional polymer materials, and particularly relates to a polysaccharide-oligopeptide co-assembled intestinal flora regulation and control material and a preparation method thereof. The material is prepared from imine-boric acid ester double dynamic crosslinking modified chitosan, glycyl-tryptophan dipeptide, sodium lactate, citric acid, glycerol and a phosphate buffer solution. A reversible imine bond and a borate bond are introduced into chitosan molecules to construct a polysaccharide network with a double-dynamic crosslinking characteristic, and then the polysaccharide network and oligopeptide molecules are synergistically self-assembled to form a three-dimensional gel structure. The material has pH responsiveness, self-repairing property and slow-release function, and can realize continuous release of short peptides and selective regulation and control of probiotics in an intestinal environment. The prepared material is high in gel strength, good in structural stability and stable in oligopeptide release, and has remarkable promotion and inhibition selectivity on intestinal flora. The method provides an innovative co-assembly strategy for polysaccharide functionalization and micro-ecological intervention, and has a good application prospect.

The application discloses a feed oil and meat and bone meal co-production preparation process for improving protein retention rate, and relates to the field of animal feed.The preparation process comprises the following steps: S1, after crushing livestock and poultry slaughter by-products, water, lactic acid and sodium sulfite are added, and stirring treatment is conducted to obtain pretreated materials; S2, composite strain seed liquid is inoculated into the pretreated materials, and fermentation is conducted; S3, the fermented materials are heated, enzyme inactivation and sterilization treatment are conducted, and three-phase centrifugal separation is conducted to obtain upper oil, middle layer fermentation protein liquid and lower layer very fine bone residue; S4, the upper oil is subjected to water washing and vacuum dewatering to obtain feed oil; and the middle layer fermentation protein liquid and the lower layer very fine bone residue are combined and then subjected to low-temperature vacuum drying to obtain meat and bone meal.The process can effectively improve protein digestibility and protein retention rate, does not need high-temperature and high-pressure treatment, effectively retains heat-sensitive amino acids, and the product is rich in small-molecule peptides and soluble calcium and has excellent quality.

The application provides a paclitaxel liposome injection and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. The injection is prepared from the following injection-grade raw and auxiliary materials: paclitaxel, phospholipid, cholesterol, gamma-aminobutyric acid, potassium lactate, a buffer, a freeze-drying protective agent and water for injection. The gamma-aminobutyric acid and the potassium lactate are simultaneously added as the liposome membrane stabilizer, the two synergistically act, the compactness and the stability of the lipid bilayer are significantly enhanced, the paclitaxel encapsulation rate is improved, the drug leakage rate is reduced, and the long-term storage stability of the preparation is improved.

The disclosure relates to oral care compositions comprising guanidine in free or orally acceptable salt form, a cationic quaternary ammonium compound (e.g., a pyridinium compound) (e.g., cetyl pyridinium chloride (CPC)), a fluoride source, and optionally a zinc source (e.g., zinc lactate or zinc citrate and zinc oxide) as well as to methods of using and of making these compositions. 20 25 20 43 72 12 J un 2 02 5 2 0 2 5 2 0 4 3 7 2 1 2 J u n 2 0 2 5 A B S T R A C T T h e d i s c l o s u r e r e l a t e s t o o r a l c a r e c o m p o s i t i o n s c o m p r i s i n g g u a n i d i n e i n f r e e o r o r a l l y a c c e p t a b l e s a l t f o r m , a c a t i o n i c q u a t e r n a r y a m m o n i u m c o m p o u n d ( e . g . , a p y r i d i n i u m c o m p o u n d ) ( e . g . , c e t y l p y r i d i n i u m c h l o r i d e ( C P C ) ) , a f l u o r i d e s o u r c e , a n d o p t i o n a l l y a z i n c s o u r c e ( e . g . , z i n c l a c t a t e o r z i n c c i t r a t e a n d z i n c o x i d e ) a s w e l l a s t o m e t h o d s o f u s i n g a n d o f m a k i n g t h e s e c o m p o s i t i o n s . 2 0 2 5 2 0 4 3 7 2 1 2 J u n 2 0 2 5

This invention relates to the field of food processing technology and provides an application of an acid-controlling agent in fermented pancakes. The acid-controlling agent is nisin and / or ε-polylysine. It is used to control the acidity of the fermented pancakes. Specifically, the acid-controlling method for fermented pancakes involves adding the acid-controlling agent after fermentation is complete and the pH value has been neutralized with alkali to obtain the fermented pancake batter. This method can precisely inhibit the continued fermentation of the pancake batter during the spreading stage, achieving precise intervention in the fermentation process and microbial metabolism. The acid-controlling effect is significant, the sensory quality is noticeably improved, and the acidity of the pancake batter remains stable, ensuring consistency with the flavor of the final product. This method is suitable for the large-scale production of fermented pancakes.

The invention relates to a composition with sleep aiding and skin repairing effects and a preparation method and application thereof, and belongs to the technical field of cosmetics. The invention provides a composition with sleep aiding and skin repairing effects. The composition is prepared from the following components in parts by weight: 72 to 114 parts of compound plant essential oil, 3 to 5 parts of ceramide NP and 1 to 3 parts of sodium hyaluronate, the compound plant essential oil is prepared from lavender essential oil, sweet orange essential oil, chamomile essential oil, rosemary essential oil and rhodiola rosea essential oil; the rhodiola rosea essential oil is obtained by fermenting a mixed strain composed of kluyveromyces lactis and trichoderma asperellum and then extracting essential oil. The research shows that the mixed strain fermentation can synergistically improve the extraction rate of the rhodiola rosea essential oil. In addition, the compound plant essential oil provided by the invention can also synergistically improve the anti-inflammatory, moisturizing and anti-allergy repair capabilities of the composition and has the effect of improving sleep disorders, so that the composition has better sleep aiding and skin repairing effects at the same time.

The invention discloses a buccal element as well as a preparation method and application thereof, and belongs to the technical field of oral cleaning supplies. The method comprises the following steps: firstly, adding 2.8 to 3.5 parts of glacial acetic acid, 0.005 to 0.015 part of sodium benzoate, 0.005 to 0.015 part of sodium cyclamate, 0.08 to 0.12 part of lactic acid and 0.04 to 0.06 part of citric acid into 100 parts of water, and mixing to form acetic acid mother liquor; then, putting 3.7-4.6 parts of sodium bicarbonate and 0.08-0.12 part of calcium carbonate into a container, adding the acetic acid mother solution into the container, and stirring to form a mixed solution; adjusting the pH value of the mixed solution to 6.8-7.2, then sequentially adding 0.08-0.12 part by weight of lovastatin, 0.02-0.04 part by weight of peppermint water and 0.08-0.12 part by weight of a clove extracting solution, and uniformly stirring, so as to obtain the traditional Chinese medicine composition. The method disclosed by the invention is simple, and the prepared buccal essence is non-toxic and non-irritant, is high in decayed tooth inhibition rate and can quickly relieve decayed tooth pain and dentin hypersensitivity.

This invention provides an injectable cefminox sodium preparation and its preparation method, belonging to the field of pharmaceutical preparation technology. The preparation, by weight, comprises: 1 part of refined cefminox sodium, 0.5 parts of sodium lactate Ringer's solution, 0.2 parts of vitamin B12 injection, 0.1-0.3 parts of a modified composite antioxidant, and 3 parts of physiological saline. The preparation method of the modified composite antioxidant is as follows: S1, add 1 part by weight of poloxamer to 20 parts by weight of distilled water and stir for 6-8 minutes to obtain a solution; S2, after passing 1 part by weight of natural vitamin C through a 100-mesh sieve, mix it into the solution obtained in S1, and sonicate for 10-15 minutes to obtain a vitamin C solution; S3, mix 0.5 parts by weight of vitamin D into the vitamin C solution obtained in S2, and sonicate for 15-20 minutes to obtain the modified composite antioxidant. The formulation of this invention exhibits excellent stability and stable content of cefminox sodium when exposed to environments of 35℃±2℃, 65%±5%RH and natural light, ensuring the safety and reliability of medication.

The invention discloses an application of sodium oxamate in preparation of anti-influenza virus products, and provides an application of sodium oxamate as a lactic dehydrogenase A inhibitor in preparation of anti-influenza virus products, the sodium oxamate has broad-spectrum antiviral activity, and can play a unique action mechanism by regulating host cell metabolism (such as protein lactylation). And a new direction is provided for overcoming virus resistance.

This invention aims to address the technical bottlenecks of existing milk curd products, such as weak functional activity, unclear process parameters, and unstable flavor and quality. It utilizes *Pediococcus pentosaceus* HM4, *Streptococcus thermophilus* HM6, *Lactococcus lactis* JY4, and *Lactobacillus plantarum* NC1, employing these four strains in an optimal ratio as a compound fermentation agent to achieve synergistic effects. Using milk and goji berries as raw materials, the fermentation process of milk curds and goji berry milk curds was systematically optimized through single-factor experiments, Plackett-Burman experiments, and response surface methodology. The physicochemical indicators and flavor characteristics of the products under different process conditions were analyzed. The obtained milk curds achieved a DPPH free radical scavenging rate of 91.38%–94.15%, providing technical support for the high-value utilization of milk curds and enriching the variety of functional dairy products.

A composition for use in treating or preventing colorectal cancer (CRC) comprising or a fraction of Lactococcus lactis supernatant having a molecular weight greater than 100 kDa which may be obtained by filtration through a 100 kDa molecular weight filter. The composition also comprises a physiologically acceptable excipient and the fraction may be a protein fraction of the L. lactis supernatant. The composition may be formulated for oral ingestion, a powder, liquid, paste, cream, tablet, capsule, or caplet or in a food or beverage item. Additionally, the composition may be formulated in a daily dosage. Also claimed is a kit for treating or preventing colorectal cancer wherein a first container comprises the fraction of L. lactis culture supernatant.

The invention relates to the technical field of microorganisms, in particular to a pediococcus acidilactici ZF636 strain and application of the pediococcus acidilactici ZF636 strain. The pediococcus acidilactici strain ZF636 is obtained by screening, is salt-resistant and acid-resistant, has relatively strong ester production capacity, and particularly has high yield of isoamyl acetate; the strain is used for high-salt food fermentation, the content of ester substances, especially isoamyl acetate, of a product and the total amount of volatile compounds can be remarkably increased, meanwhile, the sauce flavor, the ester flavor, the delicate flavor and the strong flavor of the product are improved, the flavor of the product is more balanced and richer, and the flavor and the overall quality of the product are comprehensively improved.

The application relates to a preparation method and application method of a mesenchymal stem cell protective agent composition, and relates to the technical field of stem cell treatment, in particular to a protective agent composition, a preparation technology of the protective agent composition and an application technology of the protective agent composition in mesenchymal stem cell treatment. The application solves the problems of insufficient cell stemness maintenance, complex formula or cell toxicity in the existing mesenchymal stem cell cryopreservation. The protective agent composition prepared by the preparation method comprises a deferoxamine pretreatment protective agent and a sodium lactate Ringer injection storage solution. The application method inhibits low-temperature-induced ferroptosis through DFO pretreatment, so that the mesenchymal stem cells can still maintain the multi-directional differentiation potential, the immunoregulatory function and the proliferation ability after being treated at 4 DEG C for 24-48 hours, the serum or complex nutritional ingredients do not need to be added, and the protective agent composition has the advantages of clear composition, high safety, simple operation and the like. The application is suitable for the fields of stem cell treatment, regenerative medicine, pet medical treatment and the like.

The invention discloses a nitrate-free smoked ginseng sausage and a preparation method thereof, and belongs to the technical field of meat product processing. The method comprises the following steps: adding different addition amounts of ginseng powder into a nitrate-free smoked sausage to prepare the nitrate-free smoked ginseng sausage, mincing pork serving as a main raw material, adding water, plasma activated water, beet root powder, celery powder, ginseng powder and nisin, and uniformly stirring to prepare the nitrate-free smoked ginseng sausage. The preparation method comprises the following steps: uniformly stirring other ingredients including table salt, white granulated sugar, monosodium glutamate, potato starch, soybean protein isolate, pepper powder and ginger powder, pickling, filling, cooking, drying to be mature, cooling, and packaging in vacuum to obtain the nitrate-free ginseng smoked sausage. According to the method, the flavor quality and functional characteristics of the nitrate-free smoked sausage are optimized, the defects of a single nitrate-free smoked process in flavor level and nutritional added value are overcome, and the flavor and texture of the sausage are remarkably improved.