Title:
SPRAY-DRYING METHOD FOR POGOSTEMON CABLIN GRANULAR FORMULATION
Document Type and Number:
WIPO Patent Application WO/2019/214196
Kind Code:
A1
Abstract:
A spray-drying method for Pogostemon cablin granular formulation, comprising the following steps: taking a concentrated Pogostemon cablin extractum, adding 2% to 5% of beta-cyclodextrin, mixing uniformly, performing filtration, performing spray drying under conditions of an inlet air temperature of 175 °C to 180 °C and an outlet air temperature of 90 °C to 95 °C and collecting dry powders. The concentrated extractum has a relative density of 1.02 to 1.10 at 60 °C.
Inventors:
ZHANG BAOXIAN (CN)
LI YANYING (CN)
LI XINXIN (CN)
LI YANYING (CN)
LI XINXIN (CN)
Application Number:
PCT/CN2018/114811
Publication Date:
November 14, 2019
Filing Date:
November 09, 2018
Export Citation:
Assignee:
BEIJING INCREASEPHARM CORPORATION LTD (CN)
International Classes:
A61K36/532; A61K9/16
Domestic Patent References:
| WO2011043397A1 | 2011-04-14 |
Foreign References:
| CN104523862A | 2015-04-22 | |||
| CN107397787A | 2017-11-28 | |||
| CN101862458A | 2010-10-20 | |||
| KR20090131256A | 2009-12-28 |
Other References:
YUAN XUJIANG, ET AL.: "Studies on the Quality Relationship of Herba Pogostemonis and its Prescription Granules", LISHIZHEN MEDICINE AND MATERIA MEDICA RESEARCH, vol. 17, no. 9, 30 September 2006 (2006-09-30)
Attorney, Agent or Firm:
LINDA LIU & PARTNERS (CN)
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