2.2.3. Cooking
The fortified rice products were cooked, without washing, in
exact water volume as well as in excess water and the vitamin
concentration was determined. A cooking pan of 16 cm diameter
was used and all rice samples were cooked at mild heat range
(125 C). When exact water volume was used, the rice/water ratio
(w/w)was 1:2.5 for white rice, 1:2 for parboiled and 1:1.8 for brown
rice. All the cooking water was absorbed after cooking. When
excess water was used, the water was discarded after rice cooking.
Cooking time was 12 min. The losses during cooking were estimated
from final concentration after fortification. The retention
was based on analyzed concentration after cooking of fortified
samples.