This article is examines the potato using the polarized light principle the starch-grains, in use potato's starch-grains to different warming temperature change, to test and identify the changes in starch granule gelatinization temperature. As set up simple and easy to use, tests can be used as birefringence properties of starch or a way to. The use of polarizing film then electron microscopy of starch grains into the water to find heat gelatinization temperature, temperature change differences and the an action, potato and into the water after heating and to explore the differences between theory and change.
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