Malnutrition and the resulting impaired growth and development in children of weaning age in developing countries results not only from 【B1】______ but also from infections caused by contaminated food. Studies have addressed the problem of inadequate intake by using sprouted grains in food preparation. Contamination has been tackled with 【B2】______ . Both of these methods are, or were, used traditionally and are practical and inexpensive. Fermented foods have higher 【B3】______ and also have anti-microbial qualities. This means that contamination is decreased and that their 【B4】______ is increased. Fermentation occurs when 【B5】______ is left to stand, occasionally with simple additives. There is, however, a trend away from this 【B6】______ to commercial products. 【B1】______