Collagen Peptides

Question 1

is the most ubiquitous protein in the

human body.

Answer 1

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Question 2

the oldest

protein identified so far,

Answer 2

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Question 3

fibrous protein that make up the connective
tissues in the human body, particularly, skin, joints,
and bones

Answer 3

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Question 4

Chemical Structure and Composition

Answer 4

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Question 5

Collagen molecules consist of ……… (alpha-chain), which wrap
around each other in a triple-helical
structure held together by …..between the chain.

Answer 5

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Question 6

• It is mainly comprised of three amino

acids …..

Answer 6

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Question 7

This allows the

three chains to combine into a ….l.shape

Answer 7

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Question 8

As a result, all collagens
have a sequence that may be written as
(Gly-X-Y)*n, where X and Y are commonly
..... (Pro) and ..... (Hyp),
correspondingly.

Answer 8

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Question 9

Physical properties

Answer 9

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Question 10

Low viscosity in aqueous solutions.

Answer 10

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Question 11

Neutral odor.

Answer 11

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Question 12

Colorless

Answer 12

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Question 13

Transparent

Answer 13

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Question 14

stabile

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Question 15

Water soluble.

Answer 15

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Question 16

The stability is due to it’s stereoelectric effect.

Answer 16

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Question 17

affect on molecular geometry, reactivity, or
physical properties due to the interaction between atomic and/or
molecular orbitals.

Answer 17

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Question 18

Collagen can be obtained from the diet by consuming:

Answer 18

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Question 19

helps the development of the organs; wound and
tissue healing. Collagen helps in bone and blood
vessel reparation

Answer 19

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Question 20

Sources for extraction

Answer 20

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Question 21

The most common animal sources of collagen are

Answer 21

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Question 22

It has been reported that has no risk of transmitting diseases, it has been
considered as GRAS (Generally recognized as safe) by the FDA.

Answer 22

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Question 23

Mechanism of action

Answer 23

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Question 24

can be used as an ingredient for functional food supplements because
they present antioxidant and antimicrobial activity.

Answer 24

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Question 25

Hydrolyzed collagen to act as an .....to produce more stable products reacting with free radicals.

Answer 25

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Question 26

In the dermis, collagen peptides have ..... that provide building blocks for the formation of collagen and elastin fibers.

Answer 26

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Question 27

act as ligands that bind to receptors present on the fibroblasts’ membrane and stimulate the production of new collagen, elastin, and hyalronic acid.

Answer 27

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Question 28

Health benefits

Answer 28

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Question 29

increase the bone mineral density (BMD) in postmenopausal women.

Answer 29

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Question 30

preventing osteoporosis. But more studies should be conducted.

Answer 30

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Question 31

improve wound healing.

Answer 31

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Question 32

Health claims

Answer 32

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Question 33

improving memory, claimed by in vivo studies.

Answer 33

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Question 34

aid in the maintenance of a healthy cardiovascular system.

Answer 34

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Question 35

Collagen role in beauty, dermatology, and anti-aging effects

Answer 35

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Question 36

commercialized as a tool in wrinkle reduction, skin-rejuvenation, skin-aging reversal, and skin plumping. In contrast, it hasn’t been clinically proven as there are no strong evidence to back this claim.

Answer 36

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Question 37

Therefore, the studies suggest that the use of oral collagen supplements may benefit the skin to some extent. However, many factors need to be taken into consideration first.

Answer 37

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Question 38

Safety

Answer 38

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Question 39

the use of fish hydrolyzed collagen is associated with episodes of anaphylaxis characterized by

Answer 39

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Question 40

- swine flu and bovine spongiform encephalopathy.

Answer 40

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