Food Chemistry
T/F: Chicken is an example of a carbohydrate
F: Chicken is an example of a protein
How can you test if a food has oil in it?
You can place it on piece of a brown paper bag to see if it becomes translucent
Spice
Beta, alpha
Alpha starch is the one that tastes and smells amazing!
What kinds of sugar might you find in your food?
Sucrose, high fructose corn syrup
What is an indicator?
An indicator is a substance that will change color in the presence of a specific substance
Ex: Iodine turns from orange to dark blue in the presence of starch
How are preservatives used?
They are added to food to prevent the growth of mold and bacteria
What happens when bread doesn't have gluten?
It is not as stretchy and structured, the bread is not able to capture air bubbles as well
How does soda become bubbly?
Carbon dioxide is added to the soda liquid
Why do scientists need to test the contents of food?
To know what to put on food labels, and to make sure we know what is happening in our food
Our taste buds can only taste about 5 flavors, but our olfactory receptors in our noses can detect many many more!
Yeast produce carbon dioxide gas, then the heat in the oven causes that gas to expand
What are the 3 main types of molecules/chemicals that food is made of?
Carbohydrates, Proteins, Lipids/Fats
What is the name of the machine that determines how many calories are present in a food?
A calorimeter
What do antioxidants do?