202 results about "Carnosine" patented technology

The invention belongs to the technical field of cosmetics, and particularly relates to essence with anti-wrinkle, repairing and skin-brightening effects as well as a preparation method and application of the essence. The essence is prepared from the following components in parts by weight: 10 to 70 parts of herba centellae extract, 0.0015 to 0.04 part of crocus sativus extract, 0.5 to 2.5 parts of spirulina maxima extract, 0.015 to 0.2 part of radix gentianae extract, 0.1 to 1.5 parts of panthenol, 0.25 to 1.5 parts of leuconostoc / radish root fermentation product filtrate, 0.1 to 1.5 parts of carnosine and 0.21 to 5.3 parts of anti-wrinkle components. According to the essence, various effective components such as the centella asiatica extract, the spirulina maxima extract and the radix gentianae extract are matched for use, a unique composite formula is formed, all the components promote one another, the anti-wrinkle, repairing and skin brightening effects of the essence can be remarkably enhanced, and therefore all-around skin care is provided for consumers, and the essence has a good market prospect. The overall quality of the skin can be effectively improved.

The present invention relates to the fields of medicine and cosmetology, and discloses a cell active peptide composition that promotes the regeneration of multi-type collagen structural proteins, its preparation method, and its application in medicine and cosmetology. The composition uses raw materials such as tripeptide-10 citrulline, hexapeptide-9, hydrolyzed sodium hyaluronate, γ-aminobutyric acid, decarboxylated carnosine hydrochloride, acetyl tetrapeptide-3, acetyl tetrapeptide-11, palmitoyl dipeptide-7, and palmitoyl pentapeptide-4. The composition can promote the coordinated expression of skin type I, type III, type IV, type VII, type XVII collagen, fibronectin, elastin, and glycosaminoglycans; prevent collagen cross-linking, maintain triple helix structure, and inhibit collagen degradation. Applied to dermatology and cosmetology, it can accelerate the regeneration of structural proteins such as skin collagen, repair skin damage, reduce wrinkles such as crow's feet, tear groove lines, nasolabial folds, and under-eye lines, solve the skin aging problem caused by the loss of structural proteins such as collagen, and improve skin elasticity and firmness.

The invention relates to the technical field of cosmetics, and particularly discloses emulsion type foaming cleaning scrub cream with a skin care effect and a preparation method of the emulsion type foaming cleaning scrub cream. The scrub cream is prepared from the following raw material components in percentage by mass: 8 to 15 percent of glycerol, 0.2 to 0.9 percent of sodium hydroxide, 0.3 to 0.8 percent of citric acid, 0.03 to 0.2 percent of EDTA (Ethylene Diamine Tetraacetic Acid) disodium, 0.5 to 1.5 percent of an auxiliary agent, 1.5 to 3.0 percent of a thickening agent A, 1.5 to 3.0 percent of a thickening agent B, 5.86 to 1457 percent of an emollient, 12 to 22 percent of a surface active foaming agent, 0.8 to 3.0 percent of an emulsifying agent, 2.5 to 13 percent of a cutin stripping agent, 0.7 to 1.3 percent of a preservative, 0.32 to 0.92 percent of a skin conditioning agent and the balance of water, the skin conditioner is a mixture prepared from sodium hyaluronate, tocopherol, papain, nicotinamide, carnosine, panthenol and phytosterol oleate.

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 gelatin-hyaluronic acid injectable hydrogel drug-carrying nanoparticle composite material as well as a preparation method and application thereof, relates to the technical field of biomedicine, and solves the problems that in the prior art, existing drugs for treating cartilage related diseases are difficult to deliver; the chronic inflammatory response in the articular cavity cannot be effectively controlled and cartilage cells cannot be protected at the same time, so that the application effect of the medicine is limited. The preparation method disclosed by the invention comprises the following steps: S1, obtaining a carnosine modified hyaluronic acid derivative Car-HA; s2, preparing nano particles (FNPs) loaded with fenofibrate; and S3, mixing the gelatin solution containing the FNPs with a Car-HA solution, adding transglutaminase into the mixed system, and carrying out an enzymatic cross-linking reaction to form the hydrogel FNPs-GelHA with a stable network structure. The CarHA and FNPs synergistic hydrogel strategy provided by the invention has good structural adjustability and drug adaptability, is suitable for delivery of various anti-inflammatory, anti-oxidation and cartilage repair drugs, and can be widely applied to local precise treatment of cartilage related diseases.

The invention relates to the technical field of microorganisms, and particularly discloses a PhPepD mutant and application of the PhPepD mutant in fermentation production of L-carnosine. According to the invention, a new PhPepD mutant is screened by means of construction of a mutation library from PepD of different sources and error-prone PCR, site-directed saturation mutation and the like, the amino acid sequence of the PhPepD mutant is shown as SEQ ID NO: 18, and compared with wild type PhPepD protein, the PhPepD mutant has N158D / I176F / E393Q mutation. By using the mutant, a microorganism with increased L-carnosine yield can be obtained, and in recombinant microorganisms capable of producing carnosine without adding beta-alanine, the mutant also shows an effect of increasing the L-carnosine yield, and a new effective method is provided for industrial large-scale production of L-carnosine.

The invention relates to the technical field of skin care products. The invention aims to provide a split storage type novel skin-brightening skin-care product combined by oligopeptide freeze-dried powder and essence. The split storage type novel skin-brightening skin-care product comprises multiple oligopeptide freeze-dried powder and solvent essence, the multi-oligopeptide freeze-dried powder is prepared from the following raw materials in parts by weight: 90 to 95 parts of water, 1 to 2 parts of glutathione, 1 to 2 parts of mannitol, 1 to 2 parts of carnosine, 0.5 to 1 part of ergothioneine, 0.5 to 1 part of vitamin C and 0.0005 to 0.001 part of a multi-peptide-zinc chelate. The multi-peptide-zinc chelate is prepared from the following raw materials in parts by weight: 1-2 parts of hexapeptide-2, 1-2 parts of nonapeptide-1, 1-2 parts of dipeptide-2, 1-2 parts of tripeptide-10 and 2-3 parts of zinc oxide. According to the invention, various peptides with small molecular weights are chelated with zinc, the characteristics of good permeability and strong skin affinity of the small molecular peptides are fully played, the effects of zinc and other components are effectively played, and the overall use effect is greatly improved. Through compounding of multiple components, the moisturizing and brightening mask has multiple effects of moisturizing, good permeability, whitening, brightening and the like.

The present invention relates to the field of microbial technology, and specifically discloses a recombinant microorganism and its application in the fermentation production of decarboxylated carnosine. The recombinant microorganism of the present invention has enhanced mdtK The starting strain is Escherichia coli capable of producing decarboxylated carnosine. Fermentation production using the recombinant microorganism of the present invention can increase the yield of decarboxylated carnosine without adding precursors such as L-histidine, histamine, or β-alanine during the production process, thereby providing an effective new method for the industrial production of decarboxylated carnosine.

The present application relates to polypeptides having carnosine synthase activity; a polynucleotide encoding the polypeptide; a microorganism comprising any one or more of the polypeptide, the polynucleotide, and a vector comprising the polynucleotide; variant polypeptides having carnosine synthase activity; a polynucleotide encoding the variant polypeptide; a microorganism comprising any one or more of the variant polypeptide, the polynucleotide, and a vector comprising the polynucleotide; a composition for producing carnosine, the composition comprising any one or more of a polypeptide having carnosine synthase activity, the variant polypeptide, the microorganism, and a culture product of the microorganism; a method for producing carnosine using any one or more of a polypeptide having carnosine synthase activity, the variant polypeptide, and the microorganism; and polypeptides having carnosine synthase activity, the use of the variant polypeptides and the microorganisms for the production of carnosine.

The invention relates to the technical field of food processing safety and environmental pollution control, in particular to a natural compound preparation with a synergistic formaldehyde removal function and a preparation method and application thereof. The natural compound preparation is prepared from the following raw materials in percentage by mass: 5%-10% of carnosine, 0.5%-2% of epigallocatechin gallate, 0.05%-0.2% of edible essence, 10%-20% of a surfactant and the balance of a solvent, and the total percentage is 100%. The invention aims to reduce the exposure risk of specific groups such as chefs and guarantee the health level of the specific groups, the main component carnosine is dipeptide which can be used as a food additive and has good antioxidant activity, and amino in the structure of the carnosine can be subjected to Michael addition reaction with carbonyl of aldehydes. The epigallocatechin gallate is a common polyphenol substance, and phenolic hydroxyl groups in the epigallocatechin gallate can be reacted with aldehydes to capture and remove the aldehydes.

The invention provides an external composition for improving the sub-health state of people in a high-glucose lifestyle and application of the external composition, and belongs to the technical field of biological agents. The composition provided by the invention is prepared from the following components: caffeine silanol C, a radix sophorae flavescentis extract, a lotus leaf extract, a corn poppy extract, a bitter gourd extract, soy isoflavone, beta-glucan, a tea leaf extract, an apple extract, resveratrol, a pueraria mirifica extract, a propolis extract, an angelica sinensis root extract, a radix ophiopogonis extract and a rhizoma anemarrhenae root extract. The composition is prepared from a fructus gardeniae extract, a Thermus thermophilus fermentation product, oligopeptide-1 and carnosine. The composition provided by the invention can be prepared into an external preparation, is suitable for people in the high-glucose lifestyle, has the technical effects of improving the sub-health states of the people in the high-glucose lifestyle, such as weakness, skin itch, dark skin color, thirst, frequent urination and the like, and improves the life quality of the people in the high-glucose lifestyle.

The invention provides an anti-aging and skin-tightening composition and a preparation method thereof, and belongs to the technical field of anti-aging and skincare, and the composition comprises a hovenia acerba infructescence extract, an okra seed extract, tetrapeptide-4, acetyl octapeptide-1, a hill-pit snail extract, paeonol and a carnosine-zinc gluconate chelate. And carrying out aerobic fermentation on the raisin tree infructescence powder through aspergillus oryzae, and purifying the centrifuged supernatant through a composite filler resin column to obtain the raisin tree infructescence extract. The preparation method comprises the following steps: sequentially carrying out enzymolysis on okra seeds by virtue of compound enzyme, ficin and subtilisin, adding absolute ethyl alcohol for extraction, centrifuging supernate, and purifying by virtue of an LH-20 sephadex column, so as to obtain the okra seed extract. The preparation method comprises the following steps: sequentially carrying out enzymolysis on the mountain snail meat through trypsin and lumbrukinase, centrifuging the enzymatic hydrolysate, and carrying out ultrafiltration on the supernate to obtain the mountain snail extract with the molecular weight of less than 3kDa. The components are matched for use, so that the balance of high-efficiency anti-aging and low-irritation can be realized through synergism of three major pathways of inhibiting collagen degradation, promoting collagen synthesis and resisting sugar and relieving.

The invention relates to the field of functional additives for daily chemicals, and particularly discloses hydrolyzed procyanidine freeze-dried powder and a preparation method thereof. The hydrolyzed procyanidine freeze-dried powder is prepared by freeze-drying and comprises the following raw materials in parts by weight: 0.1-0.2 part of hydrolyzed procyanidine, 25-35 parts of carnosine, 10-20 parts of a stabilizer, 0.1-0.3 part of acetyl hexapeptide-8 and 45-55 parts of water. The stabilizer is selected from at least one of mannan, trehalose, mannitol, cane sugar, betaine, whey protein, PVP (Polyvinyl Pyrrolidone), PEG (Polyethylene Glycol), glycine, histidine, leucine, sodium alginate, beta-cyclodextrin, maltodextrin and chitosan. The hydrolyzed procyanidine freeze-dried powder has good storage stability, can keep activity for a long time, is still stable after being dissolved in water for a long time, and has less activity loss.

The invention discloses a firming and anti-aging composition containing a Campania acuta bark extract and application of the firming and anti-aging composition, and belongs to the technical field of cosmetics. The firming and anti-aging composition containing the Campanumoea maculata bark extract comprises the following components: the Campanumoea maculata bark extract, a Flos Magnoliae Officinalis extract, a Tremella aurantialba extract and a composite polypeptide, and the composite polypeptide is composed of carnosine, acetyl tetrapeptide-5 and tripeptide-10 citrulline in a mass ratio of 1: (0.4-0.6): (0.2-0.6). Through the synergistic effect of the four components, the firming and anti-aging composition has a good effect of inhibiting the activity of elastase and collagenase.

The invention relates to the technical field of cosmetics, in particular to a skin repairing composition for whitening and resisting light damage and a preparation method. The composition comprises polypeptides such as acetyl tetrapeptide-11, glutathione, decarboxylated carnosine, tripeptide-1 and the like, the effects of whitening and brightening the skin, resisting light aging and repairing the skin are achieved through multi-way, multi-azimuth and multi-target combined action and mutual cooperation, and the effects of improving the skin quality and repairing the skin can be better achieved. The composition disclosed by the invention can be widely applied to various cosmetics.

The invention provides a method for extracting goose carnosine and / or carnosine. The method comprises the steps of low-salt water extraction and high-salt water extraction under alkaline and heating conditions. The extraction method of the goose carnosine and / or carnosine provided by the invention is simple to operate, low in cost and easy for large-scale industrial use.

The invention discloses a collagen peptide composition with a skin saccharification resisting effect and a preparation method of the collagen peptide composition, and belongs to the technical field of health care products. The composition is prepared from the following raw materials in parts by mass: 50-60 parts of collagen peptide, 9-15 parts of decarboxylated carnosine, 5-8 parts of peony peptide, 2-4 parts of fucoxanthol, 5-8 parts of tricholoma lobayense heim polysaccharide, 1-2 parts of sesamin and 3-7 parts of cyclodextrin. The collagen peptide composition is prepared through a reasonable material compounding agent inclusion technology, the anti-saccharification activity of the collagen peptide composition is remarkably improved, and a better scheme is provided for resisting skin saccharification.

The invention provides a method for producing L-carnosine, a genetic engineering strain as well as a preparation method and application of the genetic engineering strain, and belongs to the field of genetic engineering. According to the genetic engineering strain provided by the invention, by knocking out a glucose-6-phosphate isomerase coding gene pgi, knocking out an L-threonine / L-homoserine transporter coding gene rhtA or knocking out a dipeptide transfer protein coding gene dppABCD, the yield of extracellular L-carnosine is increased, the shake flask yield of the finally constructed strain reaches 9.1 g / L, the 5L fermentation tank yield reaches 65 g / L, and the yield of the extracellular L-carnosine reaches 9.1 g / L; and the method has a good application prospect in L-carnosine biosynthesis.

The invention discloses snowflake cream with pearly luster and a preparation process of the snowflake cream. The snowflake cream comprises the following raw material components: a phase A: water; butanediol; glycerol; methyl glucitol polyether-20; a polyacrylate cross-linked polymer-6; sodium hyaluronate; potassium hydroxide (90%); 4-hydroxyacetophenone; xanthan gum; phase B: caprylic / capric triglyceride; cetostearyl alcohol; stearic acid; a polydimethylsiloxane; squalane; simmondsia chinensis seed oil; mineral oil; and polyethylene glycol (PEG)-100 stearate. Glyceryl stearate; tocopheryl acetate; isononyl isononanoate; a phase C: 1, 2-hexanediol; carnosine; a centella asiatica extract; collagen; the snowflake cream has the advantages of uniform pearly luster texture and the advantages of traditional snowflake cream.

The present disclosure provides, inter alia, compositions and methods for intranasal delivery of carnosine.

The invention relates to the technical field of cosmetics, in particular to a compound active peptide with skin anti-aging, anti-inflammatory and soothing functions and application of the compound active peptide. The compound active peptide is prepared from acetyl hexapeptide-1, palmitoyl tripeptide-5, acetyl dipeptide-1 cetyl ester, copper peptide and decarboxylated carnosine hydrochloride. The compound peptide acts on dermal fibroblasts, so that expression of p16 and p21 genes is reduced, and cell cycle arrest is improved; the compound acts on epidermal keratinocytes and dermal fibroblasts and inhibits COX-2 gene expression; the compound peptide acts on epidermal keratinocytes and dermal fibroblasts, and the ROS level is reduced; the compound peptide acts on PC12 cells, inhibits secretion of acetylcholine, blocks transmission of neural signals, and plays a role in immediate wrinkle removal.

This invention belongs to the field of cosmetic technology and discloses a composition containing polypeptides, its preparation method, and its application. The composition provided by this invention comprises: polypeptides and a solubilizing and penetration-enhancing complex; the polypeptides include at least one selected from Codonopsis pilosula cyclic peptide B, conopeptide, carnosine, acetyl tetrapeptide-5, acetyl hexapeptide-8, and nonapeptide-1; the solubilizing and penetration-enhancing complex comprises the fermentation product filtrate of Kluyveromyces lactis / Ganoderma lucidum fruiting body extract, polyols, polysorbate, and ferulic acid. The composition provided by this invention, through the synergistic effect between its components, can effectively improve the solubility and stability of the polypeptides, preventing precipitation or exudation, while effectively promoting the transdermal absorption of the polypeptides; the composition provided by this invention has excellent antioxidant and anti-aging effects.

This invention relates to an anti-wrinkle repair composition containing red camellia extract and its application. The anti-wrinkle repair composition of this invention comprises the following components in weight percentages: polyol 1: 1-25%; red camellia extract: 0.1-15%; creatine: 0.1-2%; carnosine: 0.01-0.5%; recombinant collagen: 0.01-5%; tetrahydrocurcumin inclusions: 1-20%; ergothioneine: 0.0001-1%; water: balance. This invention combats aging through multiple pathways and approaches, providing multi-dimensional skin anti-oxidation and anti-glycation, scavenging free radicals, promoting the production of type I collagen in the skin's extracellular matrix, and strengthening the skin barrier. This composition can be used as an active ingredient in various types of cosmetics, including aqueous solutions, lotions, creams, and shampoos.

The invention relates to the field of enzyme engineering, and discloses an aminopeptidase mutant as well as a coding gene, a recombinant vector, a recombinant strain and application thereof, and the aminopeptidase mutant is obtained by performing mutation of at least one of S88L, Y150C and Q268F on an enzyme with an amino acid sequence as shown in SEQ ID NO: 1. The aminopeptidase mutant disclosed by the invention can catalyze L-histidine to synthesize L-carnosine in a high-selectivity manner in the presence of beta-alanine methyl ester, and the aminopeptidase mutant has relatively high L-carnosine yield and relatively low impurity content, and has industrial application value.

The invention discloses a skin care moisturizer preparation method, which comprises: S1, heating an oil phase component to a molten state under a vacuum condition to obtain a homogeneous oil phase; s2, mixing and swelling a water phase component containing a macromolecular thickening agent under a heating condition to obtain a homogeneous water phase; s3, mixing the water phase and the oil phase under a vacuum condition, shearing and homogenizing at 70-80 DEG C to form a primary emulsion, and then starting to cool; s4, when the temperature of the system is reduced to a first preset temperature interval, adding a first group of active substances and uniformly dispersing; and S5, when the temperature of the system is continuously reduced to a second preset temperature interval, adding a second group of active substances, uniformly dispersing, and then adjusting the pH value of the system to 5.5-6.0. According to the present invention, the ceramide, the recombinant collagen and the decarboxylated carnosine are adopted, and the ceramide and the squalane are adopted to simulate the skin lipid so as to actively repair the barrier;

The present disclosure provides, inter alia, compositions and methods for intranasal delivery of carnosine.

The present invention discloses a composite protein powder for enhancing muscle endurance and its application, belonging to the field of health care products. The composite protein powder for enhancing muscle endurance contains a composition for enhancing muscle endurance, comprising brown algae extract, sour cherry extract, myocardial peptide, and bovine ligament elastin peptide freeze-dried powder. The present invention achieves excellent muscle endurance-enhancing effects by combining the brown algae extract, sour cherry extract, myocardial peptide, and bovine ligament elastin peptide freeze-dried powder.

The invention relates to an anti-aging composition, a firming and glowing essence containing the anti-aging composition and a preparation method of the firming and glowing essence. The anti-aging composition is prepared from the following components in parts by weight: 1.5 to 6 parts of glyceryl polyether-26, 1.5 to 5 parts of nicotinamide, 0.25 to 1.2 parts of xylitol, 0.13 to 0.3 part of sodium hyaluronate, 0.01 to 0.3 part of carnosine, 0.01 to 0.1 part of PCA sodium, 0.005 to 0.05 part of hydrolyzed collagen, 0.006 to 0.03 part of palmitoyl tripeptide-5, 0.0008 to 0.01 part of hexapeptide-9 and 0.001 to 0.01 part of dipeptide diaminobutyryl benzyl amide diacetate. Test results show that the tightening and glowing essence developed by adopting the composition has the effects of instantly supplementing moisture for skin, promoting collagen generation, improving wrinkles and helping the skin to recover a supporting structure so as to slow down aging, and has a good market prospect.

The present invention discloses a biological polypeptide detection method, which belongs to the field of biological detection technology and comprises the following steps: taking muscle tissue of a sample, crushing it to obtain a homogenous sample for standby use; adding water to the homogenous sample, and after crude extraction, adding an adsorption resin, after static adsorption, filtering and collecting the adsorption resin, and using ethanol desorption treatment, filtering out the adsorption resin, and using the obtained filtrate as a sample solution for standby use; using UHPLC-MS / MS coupling method to detect the content of carnosine and anserine in the sample solution; wherein the adsorption resin is a polystyrene-divinylbenzene copolymer macroporous adsorption resin or a modified macroporous adsorption resin I, and the modified macroporous adsorption resin I adopts (-)-catechin and kaempferol-3-O-sophorobiose-7-O-glucoside to modify the polystyrene-divinylbenzene copolymer. The method of the present invention is simple to operate, has high accuracy and good reproducibility, and can improve the extraction effect of carnosine and anserine.

The invention discloses a construction method and application of chassis cells for synthesizing carnosine and derivatives thereof, and belongs to the technical field of bioengineering. Compared with the original host cell, the mutant chassis cell formed by the construction method of the multiple escherichia coli gene mutant strains provided by the invention not only effectively relieves the degradation of carnosine, but also keeps the growth performance consistent with that of the original strain, and ensures that the chassis cell normally grows by utilizing a general culture medium and culture conditions. Compared with existing other chassis cells, culture medium components and culture conditions do not need to be changed; compared with an original host cell, the chassis cell disclosed by the invention has the advantages that the degradation of carnosine is obviously relieved; the chassis cell provided by the invention is used for respectively recombining three recombinases from different sources, and compared with the original recombinant cell, the L-histidine conversion rate of a cell-free extraction liquid catalytic system is maximally increased by 20.6%, and the L-histidine conversion rate of a whole-cell catalytic system is increased by 10.5%.