[Studies on phenolic constituents from leaves of pineapple (Ananas comosus)].
OBJECTIVE
To study the phenolic constituents of the leaves of pineapple.


METHODS
Chromatographic methods were used to isolate compounds from the leaves of pineapple and spectroscopic methods were used to identify the structures of the isolated compounds.


RESULTS
7 compounds, ananasate (1), 1-O-caffeoylglycerol (2), 1-O-p-coumaroylglycerol (3), caffeic acid (4), p-coumaric acid (5), beta-sitosterol (6) and daucosterol (7), were isolated from the leaves of pineapple.


CONCLUSIONS
1 was a new compound, and others were obtained from this plant for the first time.
Wang
Wei
W
Department of Biological Sciences and Biotechnology, Tsinghua University, Beijing, China.
Ding
Yi
Y
Xing
Dong-ming
DM
Wang
Jin-ping
JP
Du
Li-jun
LJ
D031230:Ananas / Q000737:chemistry*; D002109:Caffeic Acids / Q000737:chemistry / Q000302:isolation & purification*; D003373:Coumaric Acids / Q000737:chemistry / Q000302:isolation & purification; D008968:Molecular Conformation; D015394:Molecular Structure; D018515:Plant Leaves / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D011422:Propionates
D002109:Caffeic Acids; D003373:Coumaric Acids; D011422:Propionates; C522634:ananasate; C495469:p-coumaric acid; C040048:caffeic acid