9 results about "Provitamin" patented technology

The invention provides continuous flow photochemical reaction equipment and a vitamin D3 stock solution synthesis process thereof.The equipment comprises a tank body, the upper end of the tank body is communicated with a liquid adding pipe and a negative pressure connecting pipe, the lower end of the tank body is communicated with a discharging pipe, a heating cavity is formed in the side wall of the tank body, and a mounting cylinder with an upper opening and a lower opening is arranged in the tank body; a plurality of ultraviolet lamps are mounted on the front side and the rear side of each vertical mounting strip. A circulating irradiation channel is arranged between the inner wall of the heating cavity in the tank body and the outer wall of the mounting cylinder, the inner wall of one side, facing the mounting cylinder, of the circulating irradiation channel is transparent, the outer wall of the circulating irradiation channel is in contact with the inner wall of the heating cavity, the upper end of the circulating irradiation channel extends into the mounting cylinder after being bent, a gap is formed between the lower end and the bottom of the tank body, and a plurality of inclined flow deflectors which are circumferentially distributed and inclined towards the same rotating direction are connected between the lower end and the bottom of the tank body. A driving motor is arranged at the upper end of the tank body, and a power output shaft of the driving motor is connected with a stirring shaft; according to the invention, uniform illumination and photo-thermal synergy can be realized, vitamin D3 synthesis can be completed in one step, side reaction is effectively inhibited, and product purity and process economy are improved.

Disclosed herein are plants, namely tomato plants, that have increased carotenoid content and that of beta-carotene and improved nutritional value and improved fruit yield. Also disclosed are methods and materials for producing plants with increased carotenoid content, fruit yield and nutritional value.

1. Name of the designed product: packaging bottle (PILA vitamin B5 glacier water spray). 2. Use of the designed product: used for packaging the corresponding product. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The invention provides a vitamin A, vitamin D3 and vitamin E compound microsphere and a preparation method thereof, the compound microsphere is composed of active pharmaceutical ingredients and a carrier material, the active pharmaceutical ingredients are vitamin A (VA), vitamin D3 (VD3) and vitamin E (VE) bulk drugs, the carrier material is polylactic acid-glycolic acid copolymer (PLGA), and the weight ratio (VA: VD3: VE: PLGA) is 1: 1: 1: 7. The prepared vitamin A, D3 and E compound microspheres are uniform in particle size and narrow in particle size distribution. The water solubility, the stability and the bioavailability of insoluble medicines such as vitamin A, vitamin D3 and vitamin E are improved, long-acting slow release is realized, and the clinical curative effect is enhanced.

The present invention relates to a docosahexaenoic acid ester with an alcohol chosen among the group-B vitamins or provitamins, advantageously comprised by: nicotinyl alcohol of the following formula: 1 pantthenol of the following formula:2 and inositol of the following formula:3 or with isosorbide of the following formula:4 or isosorbide mononitrate of the following formula:5 It also relates to a method of preparation of same, a pharmaceutical composition same and the of same in the treatment or prevention of cardiovascular disease, in particular auricular fibrillation.

1. Name of the designed product: packaging bottle (O'GULIA Agulia Vitamin B5 cream). 2. Use of the designed product: bottle for packaging cosmetics. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photograph best indicating the design points: perspective view.

Disclosed herein is an improved and efficient process for synthesis of vitamin D3 and its analogue Calcifediol from Ergosterol. Particularly, the present invention discloses the synthesis of key intermediate 3β-tert-Butyldimethylsilyloxy-22-hydroxy-23,24-bisnorchola-5,7-diene (5), and novel intermediate β-tert-Butyldimethylsilyloxy-22-iodo-23,24-bisnorchola-5,7-diene (9) by a simple and cost effective process. The industrially viable processes for preparation of said intermediate(s) results in providing provitamins with various side chains and the desired products in high yield.

The invention relates to the field of pharmacy, in particular to a composition containing vitamin D3 and provitamin D3 and a preparation method of the composition. The provitamin D3 and the vitamin D3 are simultaneously clathrated by cyclodextrin to form a water-soluble clathrate compound, and the provitamin D3 and the vitamin D3 are stabilized at a certain ratio to maintain the stability of the vitamin D3. The preparation method disclosed by the invention is simple, low in equipment requirement, simple in process and operation, suitable for large-scale production and capable of greatly reducing the production cost.

The invention relates to the technical field of biomedical materials, in particular to a skin wound and mucous membrane repairing composition using an exosome vesicle delivery technology and a preparation method and application thereof.The skin wound and mucous membrane repairing composition is prepared from, by weight, 25-35 parts of glycerinum, 5-9 parts of sodium hyaluronate, 3-7 parts of tetrahydromethylpyrimidine carboxylic acid, 1-3 parts of 1, 3-butanediol, 1-3 parts of 1, 3-butanediol, 1-3 parts of 1, 3-butanediol, 1-3 parts of 1, 3-butanediol, 1-3 parts of 1, 3-butanediol, 1 The exosome is prepared from the following components in parts by weight: 3-7 parts of 1, 2-hexanediol, 3-7 parts of p-hydroxyacetophenone, 3-5 parts of carbomer, 2-4 parts of sophocarpidine, 0.5-1.5 parts of arginine, 25-35 parts of exosome, 8-12 parts of crithmum maritimum callus culture filtrate, 15-25 parts of provitamin B5 and the balance of purified water. The exosome is used as a core repair component, has good compatibility with humanized tissue, can be rapidly absorbed by damaged tissue, and can regulate inflammatory response, promote cell proliferation and differentiation and accelerate wound healing by releasing active molecules; meanwhile, under the synergistic effect of components such as crithmum maritimum callus culture filtrate and provitamin B5, the repairing effect is further improved, and wound surface or mucosa repairing is facilitated.