Production of Submicroparticles of β-Sitosterol Using an Aerosol Solvent Extraction System

于文利; 夏菲; 金鹤阳; 林长春; 赵亚平; 蒋思源; 何琳

doi:10.1016/S1004-9541(09)60023-9

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Production of Submicroparticles of β-Sitosterol Using an Aerosol Solvent Extraction System

Updated：2026-01-06

- Production of Submicroparticles of β-Sitosterol Using an Aerosol Solvent Extraction System
- Chinese Journal of Chemical Engineering Vol. 16, Issue 6, Pages: 956-960(2008)
- Affiliations：
  
  1. School of Chemistry and Chemical Technology, Shanghai Jiao Tong University,Shanghai,China,200240
  2. Instrumental Analysis Center, Shanghai Jiao Tong University,Shanghai,China,200240
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60023-9
  CLC：
- Published：2008
- Accepted：
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YU Wenli, XIA Fei, JIN Heyang, LIN Changchun, ZHAO Yaping, JIANG Siyuan, HE Lin. Production of Submicroparticles of β-Sitosterol Using an Aerosol Solvent Extraction System[J]. , 2008, 16(6): 956-960.
DOI：

YU Wenli, XIA Fei, JIN Heyang, LIN Changchun, ZHAO Yaping, JIANG Siyuan, HE Lin. Production of Submicroparticles of β-Sitosterol Using an Aerosol Solvent Extraction System[J]. , 2008, 16(6): 956-960. DOI： 10.1016/S1004-9541(09)60023-9.

摘要

The submicroparticles of β-sitosterol were produced by using an aerosol solvent extraction system (ASES) and characterized by scanning electronic microscope(SEM)

X-ray diffraction(XRD)

and Fourier transform infrared(FT-IR) analysis.The effects of operational parameters including pressure

temperature

solution concentration

and ratio of flow rate(CO

/solution

) on particle size(PS)

yield

and morphology were investiga

ted. The results showed that microparticles of β-sitosterol(less than 1000 nm size and larger than 70% yield) could be obtained at 10-15 MPa

35-50℃

15 mg·ml

-1

10/1(

);β-sitosterol particles were found to occur as three mophologies:flakes

rods

and spheres by varying ratio of flow rate or solution concentration.In contrast

the crystallinity of β-sitosterol decreased

whereas its molecular structure remained almost unchanged after being ASES-treated. Therefore

ASES was an effective method to produce submicroparticles of β-sitosterol.

Abstract

The submicroparticles of β-sitosterol were produced by using an aerosol solvent extraction system (ASES) and characterized by scanning electronic microscope(SEM)

X-ray diffraction(XRD)

and Fourier transform infrared(FT-IR) analysis.The effects of operational parameters including pressure

temperature

solution concentration

and ratio of flow rate(CO

/solution

) on particle size(PS)

yield

and morphology were investigated. The results showed that microparticles of β-sitosterol(less than

1000

nm size and larger than 70% yield) could be obtained at 10-15 MPa

35-50℃

15 mg·ml

-1

10/1(

);β-sitosterol particles were found to occur as three mophologies:flakes

rods

and spheres by varying ratio of flow rate or solution concentration.In contrast

the crystallinity of β-sitosterol decreased

whereas its molecular structure remained almost unchanged after being ASES-treated. Therefore

ASES was an effective method to produce submicroparticles of β-sitosterol.

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