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This Investigatory Project won first place at the Intel Philippines Regional Science Fair Region VIII. This earned the top 6 place at the Intel Philippines Science Fair National Category held at the University of the Philippines Diliman on February 15 to 17, 2010.
This study aimed to investigate the firming effect of tawas, lime, and refrigeration on tomatoes. The exposure time and stage of ripeness (unripe, half ripe, ripe, and overripe) of the tomatoes used were varied. It was found that the effect of the four treatments (tawas-water solution, lime-water solution, refrigeration, and room temperature) on the firmness of tomatoes varied according to the degree of ripeness upon treatment and time of observation. READ MORE>