Aβ	Amyloid-beta
ACh	Acetylcholine
AChE	Acetylcholinesterase
AD	Alzheimer’s disease
AFM	Atomic force microscope
ALS	Amyotrophic lateral sclerosis
AOPP	Advanced oxidation protein product
APP	Amyloid precursor protein
Asc	l-Ascorbate
α-Syn	α-Synuclein
ATF6	Activating transcription factor 6
BACE-1	Beta-site APP-cleaving enzyme 1
BCh	Butyrylcholine
BChE	Butyrylcholinesterase
βCD	β-cyclodextrin
BDNF	Brain-derived neurotropic factor
CA1	Cornu ammonis
CAG	Cytosine–adenine–guanine
CAL	(E)-cinnamaldehyde
CAS	(E)-cinnamyl acetate
CAT	Catalase
CGC	Caenorhabditis Genetics Center
ChE	Cholinesterases
CNS	Central nervous system (human)
COMT	Catechol O-methyltransferase
COX-2	Cyclooxygenase-2
CUMS	Chronic unpredictable mild stress
DA	Dopamine
DAT	Dark avoidance test
DOPAC DSPE-PEG2000	3,4-dihydroxyphenylacetic acid Distearoylphosphatidylethanolamine with covalently linked polyethylene glycol of molecular weight 2000
DTNB ELISA	5,5′-dithiobis-(2-nitrobenzoic acid) Enzyme-linked immunosorbent assay
ER	Endoplasmic reticulum
EO	Essential oil
fPD FITC	Familial PD Fluorescein isothiocyanate
GABA	γ-aminobutyric acid
GC–FID	Gas chromatography–flame ionisation detector
GC–MS GC–ITMS	Gas chromatography–mass spectrometry Gas Chromatography/Ion Trap Mass Spectrometry
GC–O	Gas chromatography–olfactometry
GPx	Gluthathione peroxidase
GRP78	Glucose regulated protein 78
GSH	Reduced glutathione
HD HPLC–DAD HPLC–PDA	Huntington’s disease High-performance liquid chromatography–diode-array detection High-performance liquid chromatography–photodiode array detection
HTT	Huntingtin gene
HVA	Homovanillic acid
iNOS	Induced nitric oxide synthase
IRE1	Inositol requiring enzyme 1
IRE1/XBP1	IRE1/X-Box Binding Protein 1
JNK	c-Jun N-terminal kinase
LDH	Lactate dehydrogenase
L-dopa	Levodopa
LMN LOX	Lower motor neuron Lipoxygenase
MAO	Monoamine oxidase
MDA	Malondialdehyde
ME	Microemulsion
mHTT	Mutant HTT
MMP	Mitochondrial membrane potential
MPP+	1-methyl-4-phenylpyridinium
MPTP	1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
MTT	3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
MWM NA–FB	Morris water maze test New micro-well plate AChE activity
NHPs NMR	Non-human primates Nuclear magnetic resonance
NO OS	Nitric oxide Oxidative stress
PCC	Protein carbonyl content
PCh	Propionylcholine
PD	Parkinson’s disease
PDI	Polydispersity index
PERK	Protein kinase RNA (PKR)-like ER kinase
p-PERK	PERK phosphorylation
PI3K	Phosphatidylinositol-4,5-bisphosphate 3-kinase
PKR	Protein kinase RNA
PS	Presenilin
RNAi	RNA interference
RNS	Reactive nitrogen species
ROS	Reactive oxygen species
SDT	Step-down test
SHXW SFE SKN-1 SN	Su He Xiang Wan Supercritical fluid extraction Skinhead-1 Substantia nigra
SNpc	Substantia nigra pars compacta
SOD	Superoxide dismutase
sPD	Sporadic PD
TBARS TLC	Thiobarbituric acid-reactive substances Thin-layer chromatography
TNB	5-thio-2-nitrobenzoic acid
TNF TTC TUNEL	Tumor necrosis factor 2,3,5-triphenyltetrazolium chloride Terminal deoxynucleotidyl transferase dUTP nick end labeling
UMN	Upper motor neuron
UPR)	Unfolded protein response
VMAT-2	Vesicular monoamine transporter 2
VOCs WST	Volatile organic constituents Water-soluble tetrazolium salt
Z-LIG	Z-ligustilide
5-HT	Serotonin
6-OHDA	6-hydroxydopamine
8-OHdG	Urinary 8-hydroxyguanosine