A Simple Densitometric Method for the Quantification of Inhibitory Neurotransmitter Gamma-Aminobutyric Acid (GABA) in Rat Brain Tissue

Table 1

Method validation parameters for the quantification of GABA by HPTLC method.

Parameters	Results
Instrumental precision (% CV)	0.5891
Reproducibility (% CV)	0.4141
Variability (% CV)
(i) Inter-day	0.9453
(ii) Intra-day	1.3236
Limit of detection (ng)	1
Limit of quantification (ng)	10
Specificity	Precise
Linearity (correlation coefficient)	0.99940
Range (ng spot^−1)	5–80