The ingredients are not valuable by themselves (you will need a lot of available inventory space to store all the ingredients), but once you have completed a recipe with the required ingredients, you can sell off anything extra for easy money.
Provisioning is one of the easiest skills to get to Level 50.
Find recipes by searching through cupboards, house chests, and night stands. By finding and using recipes, you will unlock new combinations of ingredients to create at cooking fires, which are found in base camps and inns.
Once the keeps have been captured by one faction, the player with the highest faction rating will become the Emperor.
Emperors receive a unique skill set of five passive abilities that are extremely powerful.
You can easily find lots of ingredients for provisions in crates, barrels, and baskets.
Any brown wooden or wicker container usually contains ingredients.
Their presence helps other players during siege battles as well. Emperors are dethroned when an opposing alliance captures the six keeps, or when another allied player becomes the highest ranked player in the alliance.
Additionally, Emperor skills are still retained after a player is not an Emperor any longer, but the skills are much weaker.
It does not matter what you build with the refined resources.