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Employing Pressurized Hot Water Extraction (PHWE) to Explore Natural Products Chemistry in the Undergraduate Laboratory
Published on: November 7, 2018
[Study on the chemical components of volatile oil from Euphorbia pekinensis radix]
Xue-Fei Li1, Gen-Ben Bai, Ru-Feng Wang
1School of Chinese Pharmaceutical Sciences, Beijing University of Chinese Medicine, Beijing 100102, China. summer_clover8916@126.com
Objective:
To analyze the volatile oil from Radix Euphorbia Pekinensis.
Methods:
Volatile oil was extracted from Radix Euphorbia Pekinensis by steam distillation and GC-MS was employed for detecting the content of the constituents. The relative content of the chemical constituents were calculated using area normalization method.
Results:
35 peaks were separated and 29 constituents were identified. The yield rate of volatile oil extracted from the dried radix of Euphorbia Pekinensis was 0.3%.
Conclusion:
The main components of volatile oil were agarospirol and hedycargol and their contents were 49.23% and 20.66% respectively. This paper provides valuable experimental data for further research of Radix Euphorbia Pekinensis.

