Exhibit 7.2 MEMORANDUM OF UNDERSTANDING BETWEEN NEXGEN BIOTECHNOLOGIES INC. AND GUARDIAN BIOTECHNOLOGIES INC. THIS AGREEMENT expresses the understanding between the parties to co-operate in plant biotechnology research. THE PARTIES ARE Nexgen Biotechnologies Inc (Here within called Nexgen) Wonchon-Dong 65-1 Yusung Gu, Daejon City S. Korea. 305 370 AND Guardian Biotechnologies Inc. (Here within called Guardian) IPW 110-Gymnasium Place Saskatoon, Saskatchewan. Canada. S7N 0W9 WHEREAS: 1. Nexgen is developing plant biotechnology products in molecular farming and diagnostics for commercial applications; 2. Guardian is also developing plant biotechnology products in molecular farming and diagnostics for commercial application; 3. Nexgen and Guardian wish to co-operate in undertaking plant biotechnology research in the areas of molecular farming and diagnostics of mutual benefit to both of their organizations. 4. The objectives of this agreement is for these parties to: 4.1 complete joint planning to identify for the parties to work together in areas of mutual interest and benefit; 4.2 support researcher exchanges to help facilitate the development and exchange of technology and knowledge; 4.3 provide a framework for confidentiality, intellectual ownership and management for the parties to work together 4.4 work together as may be agreed to by both parties as per this Agreement to develop technologies and biotechnology tools for commercial application. Signed by Nexgen /s/ Sun Lee /s/ ------------------ Date: February 9, 2003 per: Dr. Sun Lee CEO/President Nexgen Signed by Guardian /s/ James Macpherson /s/ --------------------------- Date: February 9, 2003 per: Dr. James Macpherson General Manager Guardian