Low Histamine Diet Histamine is present in almost all foods in small quantities. Its presence increases with maturation of the food. High quantities of histamine are found mainly in products of microbial fermentation, such as aged cheese, sauerkraut, wine, and processed meat. Some oriental foods with high histamine content are also included.The current Low Histamine Diet sheet of Hong Kong Sanatorium & Hospital will be used (Appendix I).