1. Department of Food Science and Human Nutrition, University of Missouri, 21 Agriculture Building, Columbia, MO 65211
2. Soda Aromatic Company, 1573-4 Fumakata Noda, Chiba 270-02, Japan
3. Department of Cooperative Research, U.S. Department of Agriculture, Lincoln University, 900 Moreau Drive, Jefferson City, MO 65101-3594
4. Department of Sheep Husbandry, Massey University, Palmerston North, New Zealand