1. Anand, I.J., 1974. Plant Biochem. J. 1, 26–31.
2. Anderson, G.H., Li, G.S.K., Jones, J.D. and Bender, F., 1975. J. Nutr. 105, 317–325.
3. Ballester, D., Rodrigo, R., Nakouzi, J., Chichester, C.O., Yanez, E. and Monckeberg,F., 1970. J. Sci. Food. Agr. 21, 143–144.
4. Beck, S.D. and Reese, J.C., 1976. Recent Adv. Phytochem. 10, 41–92.
5. Bhatty, R.S. and Sosulski, F.W., 1972. J. Amer. Oil. Chem. Soc. 49, 346–350.