Mead ingredients of alcoholic beverages led to commercial mead becoming a more obscure beverage until recently. Some monasteries kept up the old traditions of mead-making as a by-product of beekeeping, especially in areas where grapes could not be grown. The English "mead" – "fermented honey drink" – derives from the Old English "meodu" or "medu", and Proto-Germanic, *"meduz" (source also of Old Norse mjöðr, Danish mjød, Old Frisian and Middle Dutch mede, Old High German metu, German Met "mead"). "Madh", and the related terms "mad" (मद, مد) and "madira" (मदिरा, مدِرا), also mean alcohol. These words are all derived from the
Ingredient-flavor network Ingredient-flavor network Ingredient-flavor networks are networks describing the sharing of flavor compounds of culinary ingredients. In the bipartite form, an ingredient-flavor network consist of two different types of nodes: the ingredients used in the recipes and the flavor compounds that contributes to the flavor of each ingredients. The links connecting different types of nodes are undirected, represent certain compound occur in each ingredients. The ingredient-flavor network can also be projected in the ingredient or compound space where nodes are ingredients or compounds, links represents the sharing of the same compounds to different ingredients or the coexistence in the same ingredient