Research Article

Bioavailability of Oil-Based and β-Lactoglobulin-Complexed Vitamin A in a Rat Model

Table 3

Liver repletion retinol and retinyl palmitate after two and four weeks repletion (experiment 1)1.

2-week repletion4-week repletion
Retinol
( g/g of liver)
Retinyl palmate
( g/g of liver)
Retinol
( g/g of liver)
Retinyl palmate
( g/g of liver)

Regular10.28 ± 0.98a237.12 ± 24.93 a18.79 ± 6.45 a261.97 ± 26.52 a
Vit A in oil20.77 ± 0.07b1.65 ± 0.57 b1.89 ± 0.52 b4.11 ± 2.34 b
Vit A in -lact20.45 ± 0.02 b0.00 ±   0.63 ± 0.11 b0.00 ±  
Vit A in oil-milk20.07 ± 0.04 b0.00 ±   0.00 ±   0.00 ±  
Vit A in -lact-milk20.44 ± 0.08 b0.00 ±   0.04 ±   0.00 ±  

1Values are mean ± SD; = 3 rats/group. Means in a column with no common superscript letters are significantly different ( < 0.05).
2Vit A: vitamin A; -Lact: -lactoglobulin.
*No vitamin A was detectable by the HPLC analysis.
**In one rat, vitamin A was not detectable by the HPLC analysis.