11 results about "Sodium ascorbate" patented technology

The application belongs to the technical field of extraction separation, and particularly relates to a 3N-PTD ligand and a preparation method and application thereof. The preparation method provided by the application comprises the following steps: mixing 3-chloropropylamine hydrochloride, sodium azide and deionized water, and performing a reflux reaction to obtain 3-azidopropylamine; dissolving 2,6-diethynylpyridine, 3-azidopropylamine, sodium ascorbate and CuSO4.5H2O, and performing a click reaction to obtain the 3N-PTD ligand. The yield of the 3N-PTD ligand obtained by the preparation method is high.

This invention belongs to the field of food processing technology and provides an antioxidant jam and its preparation method. The invention employs a synergistic design of a pectin-calcium ion microgel and a core-shell microcapsule bilayer microstructure. The core of the core-shell microcapsule contains ascorbic acid or sodium ascorbate, while the shell contains a pectin-calcium ion crosslinking network. This design helps to balance processing adaptability, structural stability, and preservation of antioxidant activity. It solves the technical challenges of the coupling contradiction between gel strength and water-free properties after the introduction of the ion-crosslinked microstructure, the synergistic optimization of microcapsule encapsulation efficiency and controllable release, and the thermosensitive degradation of ascorbic acid under heat treatment and shear conditions. This invention has broad application value in functional food fields such as jams, jellies, and baking fillings.

This invention belongs to the field of biopharmaceutical manufacturing technology and discloses an antioxidant and anti-aging PN complex and its preparation method, comprising: polydeoxyribonucleotide, epigallocatechin gallate, divalent magnesium ions, sodium ascorbate phosphate, citrate-sodium citrate buffer system, and water; the divalent magnesium ions form chelates with the phosphate groups on the polydeoxyribonucleotide molecular chain and the phenolic hydroxyl groups of epigallocatechin gallate, respectively, so that epigallocatechin gallate forms a continuously distributed molecular coating layer on the surface of the polydeoxyribonucleotide molecular chain; this invention solves the problem of heterogeneous gel aggregation caused by excessively fast reaction kinetics in the preparation of biopharmaceutical macromolecules by transforming the unavoidable disordered crosslinking between chains in conventional mixing processes into highly ordered intramolecular homogeneous encapsulation.

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

The present application relates to the technical field of environmental purification and odor removal, and discloses a small-molecule protein environmental air disinfection and odor removal preparation and application thereof.The preparation is made of core protein components, sodium citrate, sorbitol, an anti-browning agent, L-sodium ascorbate, riboflavin, cyclodextrin or cyclodextrin derivatives, a surfactant, a preservative and deionized water, wherein the core protein components are enzymatic products with a molecular weight less than or equal to 20 kDa, and the preparation is prepared by establishing an anti-browning buffer environment, dissolving functional components, slowly adding the core protein components to make them disperse and dissolve, and finally adjusting the pH value and setting the volume.The core protein components with a molecular weight less than or equal to 20 kDa have more active sites, and can enhance the capture and combination capacity with indoor air chemical pollutants, and can act on bacterial cell structures or virus activity, so as to realize the multifunctional air purification effect of pollutant removal and biological disinfection and inactivation.

This invention belongs to the field of skincare technology and provides an anti-aging bovine protein peptide composition and its preparation method. Bovine protein peptides with a molecular weight of 300-800 Da are prepared using sequential enzymatic hydrolysis. Active peptides with arginine and lysine content ≥18% are directionally enriched by cation exchange chromatography. These peptides are then combined with sodium ascorbate phosphate, tocopheryl acetate, and phytic acid to construct an antioxidant synergistic network. A biomimetic liposome carrier is prepared using phosphatidylcholine, cholesterol, and ceramide 3. A multilayer responsive coating design is employed, sequentially coating the carrier surface with a poly-L-histidine layer, a hyaluronic acid layer, and a polycaprolactone outer layer, and grafting hyaluronic acid oligosaccharides to form a stable multilayer structure. The prepared composition has an average particle size of 120-280 nm, a drug loading efficiency ≥82%, and a 24-hour cumulative release rate of 58-82%, exhibiting excellent controlled-release performance and anti-aging activity, making it suitable for the development and application of high-end anti-aging skincare products.

The application belongs to the technical field of organic fluorine chemical industry, and particularly relates to lithium trifluoromethylsulfinate and a preparation method and application thereof. The preparation method of the lithium trifluoromethylsulfinate is characterized by comprising the following steps: firstly, sodium sulfite, lithium carbonate, tetrabutylammonium decatungstate and sodium ascorbate are mixed and dissolved in a solvent, the obtained system is deoxygenated, then trifluoromethane gas is introduced, the reaction pressure is controlled to be 0.4-1.0 MPa, a visible light source is turned on, the wavelength of the light source is controlled to be 400-430 nm, and the reaction is carried out under light irradiation to obtain a reaction liquid, and finally the reaction liquid is subjected to post-treatment to obtain the lithium trifluoromethylsulfinate. The preparation method provided by the application is efficient, low in cost and environmentally friendly, the prepared lithium trifluoromethylsulfinate is high in purity and high in yield, and can be applied to lithium ion battery lithium supplement, energy storage equipment or the field of medicine and chemical industry.

The invention described here provides compositions for the efficient and effective treatment of vitamin C deficiency-related diseases and other conditions comprising the administration of pharmaceutical compositions comprising ascorbic acid compound(s), such as sodium ascorbate, and an antioxidant component. Compositions can further comprise one or more additional excipient(s), such as, e.g., a buffer component, a chelating component, or both. Compositions are provided in ready-to-use (RTU) form, not requiring dilution or further manipulation prior to their use, and are provided in single unit dose packaging. Compositions are stable when stored at 20° C. to 25° C.±2° C. for at least about 3 months. Further provided are methods of efficiently and effectively treating diseases(s) and condition(s) related to vitamin C deficiency using disclosed compositions.

The present application relates to the technical field of functional food, in particular to a sturgeon ovary peptide with endocrine function regulation and a preparation method thereof, which comprises the following steps: taking sturgeon ovary tissue, removing fat and impurities; adding deionized water and sodium ascorbate, homogenizing and vacuum defoaming to obtain a pretreated liquid; adding compound protease to the pretreated liquid for enzymolysis; after the enzymolysis is completed, centrifugal separation is carried out on the supernatant after cooling; the supernatant is separated through an ultrafiltration membrane, and then a low-temperature microwave-assisted oxidation cross-linking reaction is carried out, and hydrogen peroxide and a mixture of naringin / soy isoflavones are added; finally, vacuum freeze-drying is carried out to obtain the sturgeon ovary peptide with endocrine function regulation. In the present application, the microwave-assisted oxidation cross-linking and the incorporation of naringin and soy isoflavones significantly reduce the oxidation loss in the high-temperature drying process, further stabilize the active conformation and enhance the binding affinity to the estrogen receptor.