This is the critical part of our dailf food in India: Wheat flour. Now more and more of it coming into packaged form and still many things are not clear. So there is a good case study here and you can read that. If you have something more to auggest, please do share with us. Link to downlaod the study is: http://www.packagingconnections.com/downloads/linkedin%20-%20Wheat%20flour%20case%20study.pdf