1H NMR	Proton Nuclear Magnetic Resonance
PCA	Principal Component Analysis
OPLS-DA	Orthogonal Partial Least Squares Discriminant Analysis
MS	Mass Spectrometry
IR	Infrared Spectroscopy
HPLC	High-Performance Liquid Chromatography
FID	Free Induction Decay
TSP	3-trimethylsilylpropionic acid sodium salt
EDTA	Ethylenediaminetetraacetic acid
ANOVA	Analysis of Variance
VIP	Variable Importance in Projection
NOESYPR1D	1D Nuclear Overhauser Effect Spectroscopy with Water Presaturation
SJW	St. John’s Wort (Hypericum perforatum)
GABA	Gamma-aminobutyric acid
Aβ	Amyloid-beta peptide
HIV	Human Immunodeficiency Virus
R2X	Fraction of the variation in the X variables explained by the model
R2Y	Fraction of the variation in the Y variables explained by the model
Q2	Predictive ability of the model
PC	Principal Component
p(corr)	Correlation coefficient in the loading plot