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. Author manuscript; available in PMC: 2012 Feb 9.
Published in final edited form as: J AOAC Int. 2008 Nov-Dec;91(6):1284–1297.

Table 5.

Stability of lycopene during sample preparation, evaluated by using different extraction variants

Sample Sample extraction variant Total lycopene, mg/unit
All-trans-lycopene, %a
Dark Light Dark Light
All-trans-lycopene + placebo tablets (c), 2 4.91 4.91 97 97
Isomerized lycopene + placebo tablets (c), 2 5.17 5.00 76 80
Test material 13 (c), 1 1.70 1.70 77 74
Test material 15 (c), 2 3.91 3.98 80 77
Test material 15 (e), 1 3.87 3.88 77 75
a

Total lycopene = 100%.