When Jacob Fredrik Ljunglöf died in 1860, he was one of Sweden's wealthiest men, as being both the co-inventor of the new production method and the man behind the recipe "Ljunglöf's No. 1", (now Ettan).
När Jacob Fredrik Ljunglöf dog 1860 var han en av Sveriges rikaste män både som meduppfinnare av den nya produktionsmetoden och mannen bakom receptet "Ljunglöfs No. 1", (nu Ettan).