1. Akeson, W. R. and Stahmann, M. A. (1964)J. Nutr.,83, 257.
2. AOAC Methods of Analysis (1975)Association of Official Analytical Chemists, 12th edition, Washington DC 20014.
3. Anonymous (1952)The Wealth of India, Vol. III, Council of Scientific and Industrial Research, New Delhi, India.
4. Fontaine, T. D., Samuels, C. and Irving, G. W. Jr. (1944)Ind. Eng, Chem.,36, 625.
5. Kirtikar, K. R. and Basu, B. D. (1935)Indian Medicinal Plants, Second edition (Published by Lalit Mohan Basu, Allahabad, India) Vol. II, p. 1492.