Phytochemicals and GMO Flashcards

1
Q

Are phytochemicals essential?

A

No, they are protective.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

This mechanism protects our cells from oxidative damage and reduces the risk of developing some cancers.

A

Antioxidant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

This mechanism imitate ______. Example: Isoflavones, found in soy, imitates human estrogens and help to reduce menopausal symptoms and osteoperosis.

A

Hormonal action

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

This mechanism stimulate _______, Example: indoles, which are found in cabbages, make estrogen less effective and could reduce risk for breast cancer.

A

Stimulation of enzymes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

This mechanism interfere with ______, thereby preventing multiplication of cancer cells.

A

DNA replication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Anti-bacterial effect is a ______.

A

Mechanism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

This mechanism involves phytochemicals binding to cell walls, preventing adhesion of pathogens to human cell walls.

A

Physical action

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

This type of phytochemical is mainly an ANTIOXIDANT, and exist significantly in beta-carotene and lycopene.

A

Carotenoids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Carrots are abundant source of what type of carotenoid?

A

Beta-carotene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Tomatoes are an abundant source of what type of carotenoid?

A

Lycopene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

This type of phytochemical act as antioxidants but also have ANTI-INFLAMMATORY properties by reducing plaque build up and deactivate carcinogens

A

Flavanoids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Flavanoids are found in?

A

Berries, black/green tea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

This type of phytochemical are antioxidants but may also ALTER ESTROGEN ACTION to reduce breast cancer risk.

A

Indoles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Bitter, cruciferous vegetables such as broccoli, cauliflower, cabbage, kale, and brussel sprouts, are good sources of which phytochemical?

A

Indoles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

This type of phytochemical is an antioxidant but also inhibits CANCER ACTIVATION and PROMOTION

A

Tannins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a good source of tannins?

A

Grapes, red/white wine

17
Q

What is the harmful plant component in green potatos?

A

Solanine

18
Q

This harmful plant component is found in turnip greens, spinach, rhubarb, and other foods that can bind to CALCIUM

A

Oxalic acid

19
Q

This harmful plant component is found in whole grains and binds to MINERALS

A

Phytates

20
Q

This harmful plant component is found in moldy, discoloured, or shriveled nuts. Also exists in dried foods, grains, spices, and cocoa beans.

A

Aflatoxins

21
Q

This method of food biotechnology helps produce leaner animals, super-sweet corn, and an increase in eggs laid each year.

A

Selective breeding

22
Q

This method of food biotechnology involves the modification of genetic material of living cells to produce new substances or perform new functions by inserting gene from one organism into another.

A

Genetic engineering

23
Q

What are five benefits of GMO?

A

Extended shelf life, efficient food processing, biopharming, improved nutrient composition, and genetically assisted agriculture

24
Q

Main issues of concerns for human health in terms of GMO?

A

Allergenicity, gene transfer, outcrossing