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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 8.

Spiking materials used for recovery experimentsa

Spiking material Extraction variant Spiking level, g/kg Recovery, %
Tablets
Test material 2 (d), 2 20 96.8 ± 0.8
Test material 2 (c), 1 0.2 98.6 ± 2.8
Suspension (test material 2) (c), 1 0.02 98.4 ± 0.5
Test material6 (e), 2 20 96.9 ± 3.1
Test material 6 (e), 1 0.2 102.1 ± 2.0
Suspension (test material 2) (e), 1 0.02 95.0 ± 4.2

Beadlets
Heat-isomerized lycopene (b) 200 101.1 ± 0.2
Heat-isomerized lycopene (b) 50 98.3 ± 0.3
Heat-isomerized lycopene (b)b 1 98.3 ± 4.4
Suspension (test material 2) (e), 1 1 98.4 ± 1.4
Test material 2 (e), 2 200 95.0 ± 0.1
a

n = 3.

b

Without dilution.