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PREPARATION OF STARCH FROM POTATOES
To prepare starch from potatoes.
1. Fresh raw potatoes
2. Muslin cloth
Take 100 g of raw potatoes, wash and peel. Cut the potatoes into small pieces. Mince them well in a blender with water. Remove the pulp material carefully and strain the pulp material through two layers of muslin cloth to remove the coarse particles. The filtrate obtained is opalescent (curdy). Keep it aside for about an hour. The starch will settle at the bottom. Decant the supernatant carefully and wash the starch with water repeatedly. Drain the water thoroughly and dry it in air. Weigh the dried material and calculate the amount of starch present in 100 g of potato.
Weight of the potato = 100g
Weight of the starch = ___g
Therefore, the amount of starch
present in 100g of potato =___g
The yield of starch from potatoes is_____g/100 g
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