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Milk Protein Groups: Casein and Whey

By Janice VanCleave

Food and Nutrition Book for Every Kid

Caseins are proteins in milk containing  amino acids, which are  important for growth and development, especially of young nursing children and animals. The key reasons why cow milk  is such an important human food is that the milk contains casein. Caseins are highly digestible in the intestine and are a high quality source of amino […]

Filed Under: Nutrition

Milk Proteins: Casein and Whey

By Janice VanCleave

Soured Milk

Proteins are chains of amino acid molecules connected by high energy bonds, called peptide bonds. There are twenty two different kinds of amino acids that are combined in different orders to form proteins.  All but nine of the amino acids can be produced by your body. These nine amino acids are called essential amino acids […]

Filed Under: Nutrition

Biochemistry: Protease

By Janice VanCleave

Pineapple contains an enzyme that digests protein.

Question: How does fresh pineapple tenderize meat? Answer: There are a chemical in pineapple called enzymes that digests protein in meat. Digest means that large chemicals are broken into smaller chemicals. Bromelain is a protein digesting enzyme found in pineapple. Actinidin is another type of enzyme found in kiwi fruit. These two enzymes are proteases, […]

Filed Under: Biology, Nutrition

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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