3 results about "Drug industry" patented technology

The invention relates to a process for producing edible film for biodegradable packaging, which can be used for packaging semi-finished and finished products in the food and pharmaceutical industries.The process, according to the invention, includes cutting fruits and fruit peels into pieces, optionally scalding or steaming thereof, grinding the fruits to obtain a homogeneous paste, homogenizing the fruit paste with the addition of a plasticizer, casting the film by applying a thin and uniform layer and drying it until a predetermined humidity is reached.

The embodiment of the application provides a kind of MTR vacuum concentrator unit, comprising: power steam system;Solution circulation system and with the secondary steam system of solution circulation system connection;The solution circulation system includes isothermal evaporation tower, and the isothermal evaporation tower is connected with several groups of controllable water distributor components in parallel;The secondary steam system includes vapor-liquid separator, and the vapor-liquid separator upper end is connected with secondary steam balancer, and the vapor-liquid separator lower end is connected with circulating liquid circulation pipe and forced circulation pump;The circulating liquid circulation pipe and forced circulation pump are connected with the isothermal evaporation tower respectively.The application is based on MVR and TVR innovation, provides a kind of more energy-saving equipment and achieves the purpose of cooling, to meet the processing requirements of food and drug industry.

The invention discloses a separation and purification process of oleoyl monoethanolamine, which comprises the following steps: (1) dispersing an oleoyl monoethanolamine crude product a obtained by reacting ethanolamine with a methyl oleate crude product in low-carbon alcohol, heating, stirring and dissolving, and filtering to remove insoluble substances to obtain filtrate; (2) adding deionized water into the obtained filtrate, cooling, standing for crystallization, filtering, and removing a filter cake to obtain filtrate; (3) supplementing ethanolamine into the filtrate, freezing, standing for crystallization, filtering and drying to obtain an oleoyl monoethanolamine solid crystal crude product b; (4) dissolving the crude product b in a low-carbon alcohol aqueous solution, adding organic acid to adjust the pH value of the system, standing at low temperature for crystallization, filtering and drying to obtain a flaky oleoyl monoethanolamine crystal product with squamous gloss; the whole process is easy to industrialize, the content of the prepared oleoyl monoethanolamine is 90% or above, the purity is high, and the method has important significance in the oil industry, health food industry and medicine industry in China.