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  • Title: [Extraction and comparison of volatile oil components from water caltrop and kernel by supercritical carbon dioxide extraction].
    Author: Li J, Xu W, Niu F.
    Journal: Zhongguo Zhong Yao Za Zhi; 2011 Jul; 36(13):1725-8. PubMed ID: 22032133.
    Abstract:
    OBJECTIVE: To extract the volatile components of water caltrop and kernel and to analyze them. METHOD: The volatiles were separated by supercritical fluid extraction (SFE) and determined by GC-MS. RESULT: The extraction rates of water caltrop and kernel were 5.96% and 0.23%, respectively. The components determined by normalization method were mainly 9, 12-octadecadienoic acid (Z, Z), but the content was different. CONCLUSION: The researches showed that the components in the volatile components of water caltrop and kernel were mainly 12-octadecadienoic acid (Z, Z), and then palmitinic acid, with a higher extraction rate of caltrop.
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