How do I organize information on my ingredients?

Do you have a way to organization the information of your ingredients i.e. interactions with other ingredients. etc?  I really never thought of this myself, but someone asked Point of Interest what would be the best way to organize the information about ingredients.  In this recent post, Susan of Point of Interest answers the question How do I organize information on my ingredients? Read this post to see if it inspires you to organize the information on your ingredients.