9results about How to "Active ingredients are stable" patented technology

The utility model relates to the technical field of eyeshades, and discloses a multi-layer composite eyeshade which is characterized in that an eyeshade body adopts a composite structure, the outer layer is an SMS cloth layer, the air permeability is good, essence liquid is sprayed on the outer layer, and pleasant fragrance can be emitted to help a user to relax; the middle layer is a lamination cloth layer which can effectively resist water and moisture and protect the inner layer structure; the inner layer is a traditional Chinese medicine gel layer which is in direct contact with eye skin, eye fatigue is relieved by means of traditional Chinese medicine components, and blood circulation is improved. An integrated heating bag is arranged at the position, corresponding to the eyes, in the eyeshade body, and blood circulation of the eyes is further promoted through continuous heating. The fixing parts on the two sides can be flexibly adjusted according to the head circumference of a user, and stable and comfortable wearing is ensured. The multi-layer composite eyeshade integrates multiple functions, and can effectively meet the requirements of a user for eye care, relaxation and a good sleep environment.

This invention belongs to the field of daily chemical products technology, specifically relating to an antibacterial care liquid and its preparation method. It is processed from main ingredients and auxiliary ingredients. The auxiliary ingredients include the following components by weight percentage: purified water 89.30%, silver ions 3%, honeysuckle extract 1.2%, wild chrysanthemum extract 1.2%, purslane extract 1.2%, clover extract 1.0%, gentian root extract 1.0%, hyaluronic acid 0.5%, carbomer 0.8%, and triethanolamine 0.8%. The main ingredient is American cockroach extract, and the weight ratio of the main ingredient to the auxiliary ingredients is 3:100. The product of this invention has the effects of repairing skin cells and slowing down skin aging. It can solve the problems of dry and loose skin, and at the same time, it can resist acne and pimples, remove acne marks, lighten scars, and make the skin moist, shiny, and elastic. It also has a good repairing effect on various wounds such as ultraviolet rays and radiation burns, as well as bedsores and frostbite.

This invention discloses a porous carbon-supported copper catalyst, its preparation method, and its application, belonging to the field of catalyst preparation technology. The invention uses three-dimensional interconnected ordered porous carbon (NCP) with a large-pore structure as a support, tetraphenylporphyrin copper(II) and tetraphenylporphyrin as nitrogen and copper sources, and KOH or NaOH as activators. An NCP precursor adsorbed with tetraphenylporphyrin copper(II), tetraphenylporphyrin, and an alkaline component is obtained through a two-step adsorption process. This precursor is then pyrolyzed at 600-900℃ under nitrogen protection, cooled to room temperature, and washed with water to obtain the porous carbon-supported copper catalyst (NCP@NC-Cu). This catalyst retains a three-dimensional interconnected porous structure, with the active component (copper species) mainly distributed within the pores of the NCP support, and possesses a large specific surface area and abundant nitrogen. The catalyst was applied to the N-formylation reaction of amines with CO2 and H2 to prepare formamide compounds, exhibiting excellent catalytic activity, recyclability, and good substrate versatility, showing promising application prospects.

This invention discloses a nutritional composition and preparation method for improving joint health in senior pets. The nutritional composition comprises: N-acetylglucosamine, chondroitin sulfate, methanesulfonylmethane, unsaponifiable avocado and soybean extract, hyaluronic acid, curcumin microcapsule powder, and high-concentration fish oil. This invention uses a lipid / polysaccharide bilayer microcapsule structure to encapsulate curcumin and fish oil, and prepares the product through low-temperature homogenization, spray drying, and granulation processes. The composition of this invention works synergistically through multiple pathways, simultaneously exerting effects on three key levels: anti-inflammation, lubrication, and cartilage repair. It can significantly inhibit joint inflammation, improve joint lubrication, and promote cartilage repair. This invention solves the problems of existing pet joint products, such as single pathways of action, low stability and bioavailability of lipid-soluble active ingredients, and lack of overall formulation optimization tailored to the characteristics of aging pets. It is suitable for daily joint health maintenance or adjunctive treatment in middle-aged and senior dogs and cats.

This invention belongs to the field of feed additive technology and provides a method for preparing Poria cocos and Atractylodes macrocephala extract powder for improving the intestinal health of weaned piglets and its application. The preparation method includes: mixing Poria cocos and Atractylodes macrocephala with water and then decocting to obtain a medicinal mixture; percolating the medicinal mixture with anhydrous ethanol to separate the solid and liquid components, obtaining a percolate; mixing the percolate with maltodextrin, concentrating under reduced pressure, and then freeze-drying to obtain Poria cocos and Atractylodes macrocephala extract powder. The method of this invention can increase the product yield to 52.18% and efficiently enrich key active ingredients such as crude fat, crude protein, and reducing sugars. The Poria cocos and Atractylodes macrocephala extract powder of this invention can improve the average daily weight gain and apparent nutrient digestibility of weaned piglets, reduce the diarrhea rate, and improve intestinal permeability and intestinal morphology. This invention not only provides new insights into antibiotic alternatives but also provides data support for Poria cocos and Atractylodes macrocephala extract powder as an emerging nutritional intervention for regulating the intestinal health of piglets.

The invention discloses an imrecoxib solid preparation and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations, the solid preparation comprises the following components by mass: 15-25% of imrecoxib, 10-40% of pea maltodextrin, 10-40% of Soluplus, 1-3% of poloxamer, 10-30% of a filler, 10-20% of a disintegrating agent, 0.8-1.2% of a flow aid and 0.8-1.2% of a lubricant. Through synergistic interaction of triple carriers, Soluplus inhibits drug crystallization by means of hydrogen bonds and promotes dispersion; the poloxamer reduces the surface tension and improves the dispersity and the dissolution rate; the pea maltodextrin plays an anti-oxidation role, improves the sphericity, fluidity and stability of the particles, and is low in cost. Aiming at the difficulties that imrecoxib is low in solubility, easy to oxidize and the like, medicine dissolution is remarkably improved, related substances are more stable, and both process robustness and cost control are considered.

This invention provides a contact lens lubricant, its preparation method, and its application, belonging to the field of contact lens care technology. The contact lens lubricant of this invention utilizes liposomes prepared from hydrogenated lecithin and cholesterol to simulate the tear lipid layer, a protein-polysaccharide three-dimensional cross-linked network constructed from sodium hyaluronate to simulate the aqueous layer, and recombinant human MUC5AC protein to simulate the mucin layer, synergistically constructing a complete artificial tear barrier to achieve long-lasting lubrication and quickly relieve discomfort such as dryness and foreign body sensation caused by wearing contact lenses. Simultaneously, a specific ratio of fish-derived type I and type III collagen peptides promotes the repair of corneal epithelial micro-damage, and lactoferrin provides comprehensive biological protection with natural antibacterial, anti-inflammatory, and antioxidant properties.

The invention belongs to the technical field of daily chemical products, and particularly relates to antibacterial gel and a preparation method thereof.The antibacterial gel is formed by processing main materials and auxiliary materials, and the auxiliary materials comprise, by weight, 50% of deionized water, 10% of cynanchum atratum extract, 10% of wax chrysanthemum extract, 10% of fructus cnidii extract, 5% of mint extract, 5% of purslane extract and 10% of silver ions; the main material is a periplaneta americana extract, and the weight ratio of the main material to the auxiliary material is 3: 100; the product disclosed by the invention has a particularly good effect on vaginitis, colporrhagia, peculiar smell, pruritus and cervical erosion; auxiliary curative effects are achieved on male and female hemorrhoids and male prostate; the wound hemostasis and rapid wound healing effects are obvious; the traditional Chinese medicine composition has a relatively good repairing effect on burns and scalds, red and swollen ulcers, bedsores, chilblain and herpes zoster; the traditional Chinese medicine composition has a good repairing effect on ulcer and ulceration and retina injury caused by diabetic complications.

The application discloses a pH-reduction dual-response shape memory polyurethane composite material and a preparation method and application thereof, belongs to the technical field of functional shape memory polyurethane materials, and is obtained by co-reaction of a shape memory polyurethane material and curcumin particles; the shape memory polyurethane material is composed of a soft segment and a hard segment, the soft segment is composed of polycaprolactone dihydric alcohol and other polyester / ether dihydric alcohol, and the hard segment is formed by reaction of diisocyanate and a small-molecule chain extender; the small-molecule chain extender comprises curcumin and a Schiff base containing a disulfide bond. In the application, the curcumin is first chemically bonded to a polyurethane main chain, a reduction response site is constructed by combining a disulfide bond, and pH response is performed relying on the intrinsic structure of the curcumin; polycaprolactone crystalline soft segments are matched to realize thermal-induced shape memory; and the hydrogen bond action between the curcumin particles and the polyurethane in blending is utilized to improve the bioavailability; and the fusion of bioactivity, multiple stimulus response and shape memory is achieved.