1901.90.28.00—Malt extract; food preparations of flour, groats, meal, starch or malt extract, not containing cocoa or containing less than 40 percent by weight of cocoa calculated on a totally defatted basis, not elsewhere specified or included; food preparations of goods of headings 0401 to 0404, not containing cocoa or containing less than 5 percent by weight of cocoa calculated on a totally defatted basis, not elsewhere specified or included, dry mixtures containing less than 31 percent by weight of butterfat and consisting of not less than 17.5 percent by weight each of sodium caseinate, butterfat, whey solids containing over 5.5 percent by weight of butterfat, and dried whole milk, but not containing dried milk, dried whey or dried buttermilk any of which contain 5.5 percent or less by weight of butterfat