Zein Protein

ZEIN PROTEIN is expensive and in demand as Currently, zein can be extracted from corn gluten meal, a by-product of the wet milling process. However, current extraction and purification technologies are such that the price of zein limits current market applications. Yet, there are several technology companies/institutions currently working to develop an economically viable extraction and/or purification process. more..please see
http://www.primaryinfo.com/technology/zein.htm