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Jie Xu
JiaXi Zhong
Karina Zhang
Joanne Trinh Ngo
Yu Shi

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Proteins get their shape depending on the charges of the molecules. Initially creates a helix structure and these charges depend on how they fold. The shape of the amino acid determines the role in the body.

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Helps repair and build up the body's tissues.
Allows metabolic reactions to take place and coordinates bodily functions.
Help humans absorb enough daily intake, in order to maintain muscle
Make enzymes, antibodies, and hormones
Help to create the proteins in the blood - especially hemoglobin
Required for growth in certain life stages and maintenance of body stores

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About 18 percent of the total mass of the human body

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About 18 percent of the total mass of the human body

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1 gram of protein = 17 kJ of energy

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Once you absorb enough proteins, the proteins quality is enough for you that you will not want to take in other junk foods or snacks.

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Proteins are made up of many building blocks, known as amino acids. Our body needs dietary protein to supply amino acids for the growth and maintenance of our cells and tissues.

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What happens when protein is insufficient?

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What happens when protein is insufficient?

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And over time, a lack of protein can make you lose muscle mass, which in turn cuts your strength, makes it harder to keep your balance, and slows your metabolism. It can also lead to anemia, when your cells don't get enough oxygen, which makes you tired.

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Female: 40-60g/day
Male: 65-80g/day

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Proteins are broken down by proteases (released by the pancreas) in the duodenum and absorbed

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plant protein & animal protein

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- Essential amino acids (must be obtained from foods)
- Non-essential amino acids (can be produced in the body)

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BEEF
CHICKEN
DIARY PRODUCT
EGG
PROTEIN POWDER
MILK
PRAWN
SOY FOODS
SALMON