VITAMIN A FORTIFIed PEANUT BUTTER - The Official Website of ...

Table 2.1 Effect of mixing time on the dispersion of dyed oil and of dyed peanut butter in a peanut
butter matrix after 5 and 10 min of mixing using a Hobart vertical mixer Model HCM 3
Observations
Expt. Activity After 5 min mixing After additional 5 min mixing
1
2
Direct addition of
dyed oil to plain
peanut butter
Direct addition of
dyed peanut
butter to plain
peanut butter
Presence of reddish orange streaks
at the sides and bottom of mixer
and occasional reddish streaks in
the mixture; Bubble formations
observed in the peanut butter
mixture
Presence of reddish orange streaks
at the sides and bottom of mixer
and occasional reddish streaks in
the mixture; Bubble formations
observed in the peanut butter
mixture
Absence of reddish orange streaks
at the sides and bottom of the mixer
and on the mixture; Bubble
formations observed in the peanut
butter mixture
Absence of reddish orange streaks
at the sides and bottom of the mixer
and on the mixture; Bubble
formation observed in the peanut
butter mixture
Table 2.2 Effect of 10 min mixing time on vitamin A recovery during laboratory preparation of
premix at FDC
Vitamin A Recovered
Sampling Point Trial 1 Trial 2
(during filling) Vit. A Content
(µg RE/g)
% Recovery 1 Vit. A Content
(µg RE/g)
% Recovery 2
Start 271.97 93.10 --- N/A
Middle 261.16 89.40 273.61 93.70
End 257.96 88.30 --- N/A
Average 263.70 90.30 273.61 93.70
Std. Deviation 7.34 2.515 N/A N/A
% Variability 2.78 2.78 N/A N/A
1 Expected level of vitamin A in the premix is 292 µg RE/g peanut butter. This was computed based on a
fortificant with a vitamin A assay of 322,163.41 µg RE.
2 Expected level of vitamin A in the premix is 292 µg RE/g peanut butter. This was computed based on fortificant
with a vitamin A assay of 117,735.51 µg RE.
--- = No sample analyzed.
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