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- W2352721628 abstract "[Objective] To optimize the supercritical CO2 process parameters of essential oils from PINE NEEDLES and to identify the chemical constituents of essential oils.[Method] Taking the yield of essential oils as an index,the proper factors and levels were chosen through the pre-test,and the interaction between factors was observed by orthogonal test.Moreover,GC-MS analysis was used to identiy the chemical constituents of essential oils.[Result] The optimized technology of supercritical CO2 extraction of essential oils from PINE NEEDLES were extraction pressure 18 Mpa,extraction temperature 40 ℃,CO2 flow 25 L/h,and separation I pressure 8 Mpa.The yield of essential oils was as much as 0.163% using the optimized process parameters.The main chemical constituents of essential oils were α-pinene,β-pinene,and carypohyllene with content more than 50%.[Conclusion] This method can screen out the supercritical CO2 process parameters of essential oils from PINE NEEDLES.It can provide basis for development and utilization of essential oils from PINE NEEDLES." @default.
- W2352721628 created "2016-06-24" @default.
- W2352721628 creator A5076055846 @default.
- W2352721628 date "2012-01-01" @default.
- W2352721628 modified "2023-09-23" @default.
- W2352721628 title "The Research on the Supercritical CO_2 Extraction Technology of Essential Oils from PINE NEEDLES and Their Chemical Constituents" @default.
- W2352721628 hasPublicationYear "2012" @default.
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