STUDY ON THE EFFECT OF IRRADIATION ON STORAGE QUALITY OF TOMATO PUREE Table 1. Physico- chemical parameters of Tomato puree Table 2. Lycopene and reducing sugar content of Tomato puree Where T1 = control, T2 = 0.5 kGy, T3 = 1.00 kGy, T4 = 2.00 kGy *significant 113
REDDY and LAKSHMI Fig. 1. Total bacterial count of tomato puree REFERENCES AOAC,1990. Official methods of analysis for moisture. Association of Official Analytical Chemists, 14 th Ed. Washington, DC. Vol.2. AOAC, 1965 Official Methods of Analysis, Association of Official Analytical Chemists, Washington, D C 12 th Edition 31.054, 22 :109. Capanoglu, E., Beekwilder, J., Boyacioglu, D., Hall, R.D and De Vos, C.H.R. 2008. Changes in antioxidants and metabolite profiles during production of tomato paste. Journal of Agricultural and Food Chemistry 56 (3): 964– 973. Cruickshank, R., Duguid, J P., Marmion, B P and Surain, R H A. 1975. Medical Microbiology. The practice of medical microbiology. Churchill Livingstone, Edinbargh, London and Newyork p. 306. Haard N. F and Salunkhe D.K. 1980. Perspectives of post harvest physiology. In symposium: post harvest biology and handling of fruits and vegetables. AVI publishing Company, USA.pp:1-4. Iqbal, S.A., S.Yasmin, Wadud and Shah. W.H. 2001. Production storage packing and quality evaluation of Gouva Nectar. Pakistan Journal of Food Science. 11: 33-36. Jyoti, P. M., Sukalyan, C., Sandeep, K., Subrata, P., Jiin-Shuh, J., Alok, C. S., Anindita, C and Subhas, C. S. 2009. Effects of gamma irradiation on edible seed protein, amino acids and genomic DNA during sterilization. Food Chemistry. 114: 1237–1244. Langerak, D. I and Damen, G. A. 1978. Influence of irradiation on the keeping quality of prepacked soup-greens stored at 10 0 C. In: food preservation of irradiation. Vol 1 Proc. Series International Atomic Energy Agency. Vienna, Austria pp:221: 275-282. Ranganna, S. 1986. Hand book of Analysis and Quality control for fruit and vegetable products. Tata McGraw Hill., New Delhi. 7-12. Ranganna S, 2001. Handbook of Analysis and quality control for fruit and vegetable products II Edition Tata McGraw Hill. Reddy, G.N.V.V. 2004. Studies on methods on extraction of sapota juice for optimum yield and quality. MSc. Thesis submitted to Acharya N.G. Ranga Agricultural University, Hyderabad, India. Srivastava, R.P. 2007. Fruits and Vegetable preservation. Principles and practices. Tomato processing. 265-266. Tobback, P.P. 1977. Radiation chemistry of vitamins. In : P S. Elias and A.J.Lohen (eds) Radiation chemistry of major food components. Elsevier Scientific Publishing Co., New York. PP.213 Žnidarèiè, D., Trdan, S and Zlatiè, E. 2003. Impact of various growing methods on tomato (Lycopersicon esculentum Mill.) yield and sensory quality. Res. Rep., Biotech. Fac., Univ. Ljublj., Agric. issue 2. 81: 341-348. 114