N1,N5,N10-(Z)-tri-p-coumaroylspermidine
N1,N5,N10-(Z)-tri-p-coumaroylspermidine shows weak inhibition effect on [3H]-5-HT reuptake in rat brain synaptosomes.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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Journal of Shanxi Medical University, 2015.
Isolation and purification of coumaroylspermidines from Carthamus tinctorius L. and their inhibition effects on [~3H]-5-HT reuptake.[Reference:
WebLink]
To isolate and purify coumaroylspermidines from Carthamus tinctorius L.,and to investigate their inhibition effects on [3H]-5-HT reuptake and the photoisomerization behavior of coumaroylspermidines.
METHODS AND RESULTS:
Coumaroyl spermidines were isolated and purified by medium pressure flash chromatography,Sephadex LH-20 column chromatographies and preparative HPLC. The chemical structures were identified by ESI-MS and1H-NMR. The inhibition effects of coumaroylspermidines on [3H]-5-HT reuptake in rat brain synaptosomes were studied by classical method. Photoisomerization behaviors of coumaroylspermidines were investigated by HPLC. Results Four coumaroylspermidines were isolated and identified as N1,N5,N10-(Z)-tri-p-coumaroylspermidine(1),
N1,N5-( Z)-N10-( E)-tri-p-coumaroylspermidine(2),N1( E)-N5-( Z)-N10-( E)-tri-p-coumaroylspermidine(3),N1,N5,N10-( E)-tri-pcoumaroylspermidine(4). Coumaroylspermidine 2 and 3 showed better inhibition effects on [3H]-5-HT reuptake in rat brain synaptosomes,while coumaroylspermidine 1 showed weaker inhibition effect. The photoisomerization behavior studies showed that the four coumaroylspermidines transformed into each other under sunlight and finally reached an equilibrium state.
CONCLUSIONS:
Coumaroylspermidines could have inhibition effects on 5-HT reuptake and the inhibition effects could be different for different isomers. Coumaroylspermidines are unstable and could show photoisomerization behavior under sunlight.
