Table 2.

Plasma lycopene levels in people from different countries.

References	Country	Plasma lycopene levels (µmol/L)
		Male	Female
[49]	UK	-	0.32 ± 0.12
[50]	USA	0.82 ± 0.38	0.76 ± 0.32
[51]	France	0.66 (0.18-1.47)	0.66 (0.31-2.06)
	Republic of Ireland	0.73 (0.09-2.12)	0.57 (0.09-0.65)
	The Netherland	0.54 (0.08-1.72)	0.53 (0.04-1.98)
	Spain	0.53 (0.21-1.16)	0.51 (0.07-1.72)
	Ireland	0.30 ± 0.13	0.25 ± 0.11
[52]	Italy (Varese/Turin)	1.03 ± 0.43	0.90 ± 0.37
	Italy (Florence)	1.01 ± 0.37	0.90 ± 0.36
	Italy (Ragusa/Naples)	1.29 ± 0.46	1.32 ± 0.46
	Greece (Athens)	0.90 ± 0.38	0.87 ± 0.47
	Spain (Granada)	0.69 ± 0.40	0.69 ± 0.33
	Spain (Murcia)	0.66 ± 0.30	0.74 ± 0.35
	Northern Spain	0.53 ± 0.31	0.43 ± 0.29
	UK (vegetarians)	0.98 ± 0.45	0.89 ± 0.44
	UK (Cambridge)	0.72 ± 0.30	0.77 ± 0.38
	Germany (Potsdam)	0.60 ± 0.30	0.69 ± 0.33
	Germany (Heidelberg)	0.62 ± 0.31	0.54 ± 0.25
	The Netherlands	0.54 ± 0.33	0.47 ± 0.26
	Denmark	0.58 ± 0.34	0.53 ± 0.29
	Sweden (Malmö)	0.46 ± 0.24	0.52 ± 0.27
	Sweden (Umeå)	0.56 ±0.37	0.44 ± 0.25
[53]	Japan	0.11 (0.04-0.33)	0.20 (0.08-0.52)
[54]	Thailand	0.46 ± 0.33	0.74 ± 0.38