Low-viscosity hydroxypropyl methylcellulose obtained by electron beam irradiation and its performance in spray drying.
Int J Biol Macromol
; 275(Pt 1): 133626, 2024 Aug.
Article
en En
| MEDLINE
| ID: mdl-38964691
ABSTRACT
Low-viscosity hydroxypropyl methylcellulose (HPMC) was obtained by electron beam irradiation, and its use as an excipient for improving the properties of spray dried pharmaceutical powders was investigated. The minimum molecular weight of HPMC which could maintain the capacity of encapsulation and powder modification was explored. As the irradiation dose was increased from 10 to 200 kGy, the molecular weight and viscosity of HPMC decreased linearly. However, its main structure and degrees of methoxy and hydroxypropyl substitution were not significantly affected. The irradiated HPMC could encapsulate particles during spray drying and, thus, modify powder properties. Furthermore, the water content of spray-dried powders with irradiated HPMC was lower than that with parent HPMC. After the spray-dried powder with irradiated HPMC was prepared into granules, their dissolution rate was also faster. However, in order to achieve high encapsulation, the molecular weight of HPMC should be ensured to be above 7.5 kDa. The designated low-viscosity HPMC obtained by electron beam irradiation is a suitable powder-modification material for use in spray drying, and it shows promise as a superior excipient in medicine, food, paint industries, among others.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Electrones
/
Derivados de la Hipromelosa
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Secado por Pulverización
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Peso Molecular
Idioma:
En
Revista:
Int J Biol Macromol
Año:
2024
Tipo del documento:
Article
Pais de publicación:
Países Bajos