Table 1.

Studies of the occurrence of OTA in wines. Reports from 2012 to 2021.

Sampling Location	Wines	Positive/Total Samples	OTA Range (µg L−1)	Method	LOD	Ref.
Portugal	Red, white	5/100	<LOD–1.2	HPLC-FLD	0.08	[34]
Serbia	Red, white, rose	59/113	<LOD–0.13	HPLC-FLD	0.001	[35]
Spain	Red	51/51	0.0005–0.014	HPLC-FLD	0.00032	[36]
Holland	Red	6/280	0.2–0.6	UPL-MS	NR*	[37]
Czech Republic	Red, white	8/24	0.0–0.7	HPLC-FLD	NR*	[38]
Italy	Sweet	29/30	<LOD–1.6	HPLC-FLD	0.01	[39]
Italy	Red, white	55/55	0.08–0.7	UPLC-FLD	0.01	[40]
Poland	-	8/32	0.1–0.5	HPLC-FLD	0.05	[41]
Portugal	Red	4/6	<LOD–0.17	HPLC-FLD	0.017	[42]
Croatia	Red	102/110	<LOD–0.16	HPLC-FLD	0.006	[43]
Greece	-	10/23	3.4–15.6	ELISA	1.0	[44]
Chile	Red, white	34/1188	<LOD–0.4	HPLC-FLD	0.01	[45]
United States of America	Red, white	12/143	0.1– 0.4	UHPLC-MS/MS	0.1	[46]
United States of America	-	6/343	<LOD–0.4	LC-MS/MS	0.1	[47]
Argentina	Red	136/136	<LOD–1	UHPLC-MS/MS	0.02	[48]
United States of America	Red, white, dry, sweet	35/41	0.3–8.6	HPLC-FLD	0.1	[49]
Paraguay	Red	1/4	2.4	ELISA	2.0	[50]
Japan	Red, white	5/27	<0.2–0.4	UHPLC-MS/MS	0.06	[51]
China	Red, white	223/223	<LOD–1	HPLC-FLD	0.01	[52]
Thailand	Red	10/100	0.3–1.7	LC-MS/MS	0.06	[53]
China	-	2/42	1.3	UHPLC-MS/MS	0.1	[54]
Tunisia	Red, white, rose	29/34	0.1–1.5	HPLC-FLD	0.03	[55]
Italy	Red	2/30	2.0	HPLC-FLD	NR*	[56]
Italy	Red	41/57	<LOD–0.7	HPLC-FLD	0.02	[57]
Italy	Red, and white	37/58	<LOD–0.3	HPLC-MS/MS	0.012	[58]
Hungary	Sweet wines (Tokaj)	7/53	<LOD–0.3	HPLC-FLD	0.03	[59]