ANOVA	analysis of variance
BBB	blood–brain barrier
β-III tubulin	tubulin beta-3 chain
BSA	bovine serum albumin
CA	cinnamaldehyde
CCSM	corpus cavernosum smooth muscle
cGMP	cyclic guanosine monophosphate
CN	cavernous nerve
DAPI	4′,6-diamidino-2-phenylindole
DHA	docosahexaenoic acid
DLS	dynamic light scattering
DMSO	dimethyl sulfoxide
E	erectile
ED	erectile dysfunction
EL	erectile latency
ELISA	enzyme-linked immunosorbent assay
GTP	guanosine triphosphate
HN	high-dose cinnamon leaf extract nanoemulsion
HE	high-dose cinnamon leaf extract
EPA	eicosapentaenoic acid
HPLC	high-performance liquid chromatography
HRP	horseradish peroxidase
I	induction
IACUC	Institutional Animal Care and Use Committee
ICP	intracavernous pressure
IF	intromission frequency
IIEF	International Index of Erectile Function
IL	intromission latency
JECFA	Joint FAO/WHO Expert Committee on Food Additives
kcps	kilo counts per second
LF	long flips
LN	low-dose cinnamon leaf extract nanoemulsion
LE	low-dose cinnamon leaf extract
MAP	mean arterial pressure
MF	mount frequency
ML	mount latency
MRM	multiple reaction monitoring
N	normal/control group
ND	not detected
nNOS	neuronal nitric oxide synthase
NO	nitric oxide
O/W	oil in water
PBS	phosphate-buffered saline
PDE5	phosphodiesterase type 5
PDI	polydispersity index
PTA	phosphotungstic acid
QF	quick flips
ROCK-II	Rho-associated, coiled-coil containing protein kinase 2
SD	standard deviation
α-SMA	alpha-smooth muscle actin
SPSS	Statistical Product and Service Solutions
SSRI	selective serotonin reuptake inhibitors
STZ	streptozotocin
TAIF	Taiwan Forestry Research Institute
TEM	transmission electron microscopy
TMB	3,3′,5,5′-tetramethyl-benzidine
TPR	total penile reflexes
TQS	triple quadrupole mass spectrometer
UPLC-MS/MS	ultra-performance liquid chromatography-tandem mass spectrometry
USFDA	United States Food and Drug Administration
W/O	water in oil