K Nn mK - Amecamex.org.mx

FSBI – 2004
Food Science and Biotechnology in Developing Countries
YIELD
60%
50%
40%
30%
20%
10%
0%
TREATMENTS
Figure 2. Yields of the method 1
20º C
30º C
40º C
50º C
60º C
70º C
80º C
90º C
100º C
110º C
120º C
In the treatments at 20º to 90º C the percentage of oil was less than 50 % and in the 100º to 120º C
treatments were less than 40 %. In figure 3 is shown the color obtained from treatment one.
(a) (b) (c) (d)
Figure 4. Bleaching the amaranth oil a) Control, (b) First step, c) Second step,
and d) Third step.
The results of the method 2 are shown in the figure 4.
PHOTOMETRIC COLOR
30
25
20
15
10
5
0
TREATMENTS
Control
20º C
70º C
100º C
110º C
120º C
Figure 4.Treatments with 2 % clays and 0.2 % AC, at 20 minutes