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[Analysis of constituents of essential oil from the skin of water caltrop].

OBJECTIVE
To analyze the constituents of essential oil from the skin of water caltrop.


METHOD
Water steam distillation and GC-MS were used.


RESULT
58 componds were separated respectively. 56 componds being identified which were 96. 5% of the totle essential oil.


CONCLUSION
Diethyl phthalate, acetamide, N-acetyl-N, N'-1,2-ethanediylbis-, isopropyl palmitate, hexadecanoic acid, Z-11 and octadecanoic acid are the main component of essential oil from the skin of water caltrop.