Flashcards in Dairy Products Deck (33):
What is the definition of milk?
The lacteal secretion, practically free from colostrum, obtained by the complete milking of one or more healthy cows, which contains not less than 3.25% of milkfat and not less than 8.25% milk-solids-not-fat
May be from cow, goat, or sheep.
What is the average composition of water in milk?
What is the composition of lactose in milk?
What is the composition of fat in milk?
What is the composition of protein in milk?
What is the composition of ash in milk?
Are other components dissolved or suspended in water in the milk?
What is disaccharide?
Glucose & galactose
Is lactose the least variable component in healthy animals?
Is milk fat the most variable component?
What is the percentage of triglycerides in milk fat?
What is a triglyceride?
What is a lipid used for?
The breaking down of lipase.
What is almost all animals milk stored in the form of?
Can milk be oxidized by UV lights?
Milk fat has a 1-2% mixture of what?
Mono- and diglycerides, phospholipids, sterols, carotenoids, and vitamins
At what point does milk curdle?
When pH drops below normal.
What is pH used for?
What is casein?
Protein found in milk
What percentage of milk is casein?
What is an example of an enzyme?
What is rennin?
How a calve or lamb breaks down casein in the stomach.
What is ash?
A mineral content in milk. A non-combustible matter.
What is the acidity of ash?
Why do aquatic animals have higher protein in their milk?
Their cooler environment.
What is the purposes of heat treatment?
What is HTST?
High temperature short time
What is the most common HTST?
161F for 15 secs.
Does homogenization have to be combined with heat treatment?
What happens when you combine homogenization with heat treatment?
Destruction of Ig-M and native lipase.
Lactose is digested by what?
What is fat in the form of?