Label-Free Fluorescent Determination of Sunset Yellow in Soft Drinks Based on an Indicator-Displacement Assay

Table 2

Comparison of some methods used for determination of SY.

Methods	Probe	Linear range (μM)	Detection limit (μM)	Ref.
DPV	—	0.1–15	0.07	[26]
DPV	—	0.40–14	0.04	[27]
DPV	—	1–271	0.8	[28]
DPV	—	0.4–110	0.1	[29]
DPV	—	1–50	0.8	[30]
Fluorescence	Luteolin	0.5–50.0	0.12	This work
Fluorescence	EGCG	2.0–50.0	0.45	This work