[Models for determining optimal nutrition in private households].

Members of private households have different nutrient requirements. In general, they eat the same dishes in different quantities. The menu plan is admissible if it corresponds to the recommended dietary allowances. It is acceptable if it meets the eating habits. It is optimal if it meets the constraints mentioned and best reaches an objective. It is the aim of this paper to describe models for the determination of optimal nutrition and to evaluate them with respect to their suitability for solving decision problems in private, multi-person-households. The fewer the model-intern restrictions in the variability of quantities of food stuffs, kind and/or quantities of dishes, the better are the "optimal" solutions that are found with the model. A simultaneous determination of kind and quantity of dishes reaches the model purpose better than a stepwise determination. This is shown in an example problem.