testing food for starch. carbohydrates store and provide energy store and provide energy two types...
TRANSCRIPT
![Page 1: TESTING FOOD FOR STARCH. CARBOHYDRATES Store and provide energy Store and provide energy Two types of carbohydrates Two types of carbohydrates Starch](https://reader036.vdocuments.site/reader036/viewer/2022082713/5697c0191a28abf838cce605/html5/thumbnails/1.jpg)
TESTING FOOD FOR STARCH
![Page 2: TESTING FOOD FOR STARCH. CARBOHYDRATES Store and provide energy Store and provide energy Two types of carbohydrates Two types of carbohydrates Starch](https://reader036.vdocuments.site/reader036/viewer/2022082713/5697c0191a28abf838cce605/html5/thumbnails/2.jpg)
CARBOHYDRATES
•Store and provide energy
•Two types of carbohydrates•Starch•Sugar
![Page 3: TESTING FOOD FOR STARCH. CARBOHYDRATES Store and provide energy Store and provide energy Two types of carbohydrates Two types of carbohydrates Starch](https://reader036.vdocuments.site/reader036/viewer/2022082713/5697c0191a28abf838cce605/html5/thumbnails/3.jpg)
STARCH
• a very large molecule• numerous sugar molecules chained together• looks like a long twisted chain with many branches sticking out
• starch + iodine = intense blue-purple
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SUGAR
• When starch is broken down it produces SUGAR• Produced during the food-making process that takes place in plants
• Sugar + iodine= no color change
![Page 5: TESTING FOOD FOR STARCH. CARBOHYDRATES Store and provide energy Store and provide energy Two types of carbohydrates Two types of carbohydrates Starch](https://reader036.vdocuments.site/reader036/viewer/2022082713/5697c0191a28abf838cce605/html5/thumbnails/5.jpg)
MATERIALS
• Send one group member to get…• Dropper filled with iodine. HOLD IT UPSIDE
DOWN!!
• Send another group member to get…• Plate, Orange, Apple, Potato, Bread, Cracker,
Cheese, Butter, Sugar
WHEN YOU ARE DONE, THROW PLATE AWAY THEN ANSWER LAB QUESTIONS
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RESULTS
FOOD STARCH PRESENT STARCH NOT PRESENT
Apple
Bread
Butter
Cheese
Cracker
Oranges
Potato
Sugar