Abstract
The manufacturing process for soft dosage forms is always accompanied by the action of a certain temperature, which violation can lead not only to the deterioration of technological indicators, but also significantly affect the pharmacological activity of the finished drug.Aim. To study the water-soluble protein-polysaccharide complex (WSPPC) of Pleurotus ostreatus (oyster mushroom) and the ointment composition developed on its basis using thermogravimetry.Materials and methods. The thermogravimetric analysis, which allowed determining the change of the mass of the test sample under the conditions of the controlled temperature rise, was chosen as the research method. Determination of thermogravimetric characteristics was performed using a Q-1500 D derivatograph of the “F. Paulik, J. Paulik, L. Erdey” system with a platinum-platinum-rhodium thermocouple when heating samples 30 to 250 °C.Results and discussion. In the course of the thermogravimetric study it has been determined that WSPPC and the ointment composition developed on its basis have physical transformations at certain temperatures. The presence of thermal effects on the thermogram of the ointment developed coincides with the thermal effects of WSPPC; and it subjectively indicates the absence of the chemical interaction between the active pharmaceutical ingredient and the excipients of the carrier base.Conclusions. Based on the results obtained the optimal conditions of the temperature regime for the manufacturing process have been determined. They will provide the stability of the physicochemical properties and the pharmacological effect of the finished ointment.
Highlights
To study the water-soluble protein-polysaccharide complex (WSPPC) of Pleurotus ostreatus and the ointment composition developed on its basis using thermogravimetry
In the course of the thermogravimetric study it has been determined that WSPPC and the ointment composition developed on its basis have physical transformations at certain temperatures
The presence of thermal effects on the thermogram of the ointment developed coincides with the thermal effects of WSPPC; and it subjectively indicates the absence of the chemical interaction between the active pharmaceutical ingredient and the excipients of the carrier base
Summary
Технологічний процес виготовлення м’яких лікарських форм завжди супроводжується впливом певних температур, порушення якого може не тільки призвести до погіршення технологічних показників, але й суттєво вплинути на специфічну дію готового лікарського засобу. Термогравіметричне дослідження водорозчинного білково-полісахаридного комплексу (ВБПСК) гриба Плевроту черепичастого та розробленої на його основі мазевої композиції. У ході термогравіметричного дослідження було виявлено, що ВБПСК та розроблена на його основі мазева композиція за певних температур має фізичні перетворення. Tiukin Institute of Chemical Technologies of the V. Dal East Ukrainian National University, Ukraine 2 SE “Luhansk State Medical University”, Ukraine 3 National University of Pharmacy of the Ministry of Health of Ukraine The thermogravimetric study of the ointment with the water-soluble proteinpolysaccharide complex of Pleurotus ostreatus. The manufacturing process for soft dosage forms is always accompanied by the action of a certain temperature, which violation can lead to the deterioration of technological indicators, and significantly affect the pharmacological activity of the finished drug. To study the water-soluble protein-polysaccharide complex (WSPPC) of Pleurotus ostreatus (oyster mushroom) and the ointment composition developed on its basis using thermogravimetry
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