Skip to main content
. Author manuscript; available in PMC: 2016 Nov 4.
Published in final edited form as: J Ethnopharmacol. 2015 Aug 7;174:57–65. doi: 10.1016/j.jep.2015.08.006

Table 2.

Cannabinoid and opioid receptor displacements of extract, partitions, and compounds of N. nucifera flowers.

Extracts/ partitions/ compounds CB receptor
displacement (%)
(10 µg/mL)
Opioid receptor
displacement (%)
(10 µg/mL)
CB1 CB2 δ κ μ
N. nucifera (white flower) EtOH extract 17 14 13 46 -
N. nucifera (pink flower) EtOH extract 4 7 25 54 -
N. nucifera (white flower) basic CHCl3 partition - 5 71 91 91
N. nucifera (pink flower) basic CHCl3 partition 26 26 53 95 96
N. nucifera (white flower) acidic CHCl3 partition 2 12 14 18 20
N. nucifera (pink flower) acidic CHCl3 partition 37 34 18 15 26
Fraction G (PA:LA; 63.9:36.1)a 6 12 91 51 87
Fraction H (PA:LA; 89.5:10.5)a 17 - 64 19 24
Armepavine (4) - 14 46 66 65
O-Methylcoclaurine (5) - 30 49 83 85
N-Methylcoclaurine (6) - 13 55 92 83
Coclaurine (7) 15 8 51 91 83
Neferine (10)b - - 88 91 93
Linoleic acid (LA)b 30 14 60 19 34
Palmitic acid (PA)b 16 19 57 9 16
LA + PA (1:1 mixture) 4 7 96 50 69
CP-55,940b 96 100 -c -c -c
Naloxone HClb -c -c 100 100 101
a

Palmitic and linoleic acid mixture analyzed by GC/MS;

b

Tested at 10 µM,

c

Not applicable,

-: Not active