中草药2026，Vol.57Issue(7)：2482-2492,11.DOI:10.7501/j.issn.0253-2670.2026.07.005
粒度级配设计改善发酵虫草菌粉粉体流动性与吸湿性研究
Study on improving fluidity and hygroscopicity of fermented Cordyceps powder by particle size gradation design
摘要
Abstract
Objective To address the issues of poor flowability and high hygroscopicity of fermented Cordyceps powder,the particle size gradation strategy and investigates the relationship between flowability parameters,particle size,and particle size distribution,so as to provide theoretical support and technical guidance for enhancing powder performance and optimizing processing strategies.Methods A laser particle size analyzer,powder characteristics tester,and powder rheometer were employed to systematically characterize the particle size distribution,static flowability parameters(angle of repose,Hausner ratio,and flat plate angle,etc.),and rheological properties(flow energy,aeration,permeability,and shear behavior)of the fermented Cordyceps powder.The effects of different particle size ratios on powder packing behavior and hygroscopicity were analyzed.Results Particle size is a critical factor affecting powder flowability.A particle size ratio of 24-80(95:5)mesh yielded optimal packing performance.Hygroscopic kinetics modeling showed that both the double exponential and Weibull models provided good fits for describing the moisture absorption behavior of powders with different particle sizes,offering quantitative indicators of hygroscopicity.Conclusion Particle size gradation design provides a new strategy for improving the flowability and stability of fermented Cordyceps powder.关键词
发酵虫草菌粉/粉体/粒度级配/流动性/吸湿性Key words
fermented Cordyceps powder/powder/particle size gradation/fluidity/hygroscopicity分类
医药卫生引用本文复制引用
万倾兆,张慧楠,王生生,彭旭龙,彭常春,许云,伍振峰,王雅琪..粒度级配设计改善发酵虫草菌粉粉体流动性与吸湿性研究[J].中草药,2026,57(7):2482-2492,11.基金项目
国家重点研发计划项目资助(2023YFC3504504) （2023YFC3504504）
