Abstract
Pseudostellaria heterophylla (Miq.) Pax or Taizishen (TZS) is one of the most popular Traditional Chinese Medicines in China, and is commonly used to treat various lung and spleen diseases. In this work focused microwave-assisted solvent extraction (MAE) coupled with gas chromatography–mass spectrometry has been used for analyzing volatile components of TZS. The main compound in the extract were palmitic acid (21.37%), 9,12-octadecadienoic acid ethylester (16.98%), trans-oleic acid (5.94%), chondrillasterol (3.99%), stigmast-7-en-3-ol (3.92%), 5,6-dihydroergosterol(2.48%), 1-monolinolein (2.35%). Compared with Soxhlet extraction, the much shorter extraction time and the similar components in the extract make MAE an excellent alternative for extraction of the components of TZS.
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