Table 3.

Analytical characteristics of AA determination in pharmaceutical tablets, fruit samples, juice and wine on different sensors.

Sensor	LOD, μM	LR, μM	Technique	Object	Ref.
TiO2-Aunps-MWCNT-DHP/GCE	1.20	5–51	Am	pharmaceutical and orange juice samples	[16]
Aunps-PAN/GCE	8.20	10–12000	Am	medicine vitamin C tablets	[19]
Aunps-ZnO-PPy-RGO/GCE	0.16	2–950	DPV	vitamin C tablets	[14]
Aunps-L-Alanine/GCE	10.00	12–160	CV	–	[18]
Pt-electrode	87.00	310–20000	DPV	fruit juices, wine	[48]
CPE	20.00	70–20000	DPV	–	[48]
PEDOT/GCE	23.30	50–90	SWV	orange and pineapple juices	[49]
SPCE	1360.00	0–10000	CV	packed orange juice sample	[50]
CPE	1.76	10–100	SWV	pharmaceutical tablets	[51]
PoPDoAP/GCE	36.40	100–1000	DPV	vitamin C tablet and orange juices	[52]
Ppy/Au-MA	5.00	10–2200	SWV	lemon juice and celin tablet chewable	[53]
GCE	11.50	8–80	CV, SWV	beverages and fresh edible vegetables	[54]
Fe(III)-Y zeolite/CPE	0.02	0.4–1200	SWV	citrus juices	[55]
CPE	22.10	-	CV	fruit juices	[56]
Au-gr/CVE	0.05	1–5750	AV	fruit juice	[this work]

Am—amperometry, DPV—differential pulse voltammetry, CV—cyclic voltammetry, SWV—square wave voltammetry, AV—anodic voltammetry, MWCNT—multi-walled carbon nanotubes, DHP—dihexadecylphosphate film, CPE—carbon paste electrode, PEDOT—Poly(3,4-Ethylenedioxythiophene), PoPDoAP—poly(o-phenylenediamine-co-o-aminophenol), Ppy—polypyrrole, SPCE—screen-printed carbon electrode, Au-MA—gold macro electrode.