Page 140 - Handbook on Food Fortification in Kenya
P. 140
It is a simple, inexpensive, semi- Precise - Within less than 1 minute
quantitative procedure that should be determines the exact level of the nutrient.
run on fortified flour on a regular basis, (Time dependent of nutrient being
typically every 2 or 4hours for a large assessed.)
Mill and once a day for a small Mill. Portable -Test kit is portable and can be
used without any laboratory equipment.
The iron spot test can also indicate Simple and fast.
whether the iron being added is reduced,
elemental iron (structural), or a salt The analysis takes just three easy steps:
(ferrous sulfate or ferrous fumarate salts), a) Injection,
in case the Mill is adding both types. b) Reaction, and
c) Measurement.
While this test is only for iron, it can be
assumed that if the iron is correct, the other
added micronutrients will be correctas well
since they are added as a single premix.
Figure 35. - Particles of iron in a tested Figure 36. - iCheck Chroma kit for Vitamin
sample A testing in oils
Rapid Tests (Source - http://www.bioanalyt.com)
Test kits have been developed for the
exact and fast determination of vitamin Refer to appendix 8 for more links to
A in fortified edible oil. Also available are tests.
test kits for Iron, Zinc and Iodine.
61 | FOOD FORTIFICATION HANDBOOK
