["Natural" does not necessarily mean quality. The German Society for Nutrition tries to clarify definitions].
D003258:Consumer Behavior; D005503:Food Additives; D005519:Food Preservation; D005860:Germany, West; D006801:Humans; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D012952:Societies; D009626:Terminology as Topic; D014815:Vitamins
D005503:Food Additives; D014815:Vitamins
"Natürlich" bedeutet nicht unbedingt Qualität. Die Deutsche Gesellschaft für Ernährung sucht Begriffe zu klären.