Crisp snack food products; extruded food products made of maize; extruded food products made of rice; extruded food products made of wheat; food products consisting of cereals; food products containing cereals; food products containing flour; food products for making nachos; food products for making tacos; food products having a pastry base; food products made from potato flour; glazing for food products; potato flour based snack food products; snack food products consisting of cereal products; snack food products made from cereal flour; snack food products made from cereals; snack food products made from maize flour; snack food products made from potato flour; snack food products made from rice; snack food products made from rice flour; snack food products made from soya flour