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Flashcards in Functional Foods Deck (16):
1

Define nutraceutical

Food component which as a drug-like effects in physiological functions

2

Example of an existing food which has been shown to provide specific benefits

Quaker Oats

3

Benefits of Quaker Oats (2)

It is rich in soluble fibre
Which help reduce cholesterol as apart of a low fat diet

4

Mechanism of how soluble fibre helps reduces cholesterol (3)

Binds to bile acids and thus they are excreted
Decreases cholesterol absorption
Propionate fermentation may inhibit hepatic cholesterol synthesis

5

Example of a functional food that had been formulated with an established ingredient in order to achieve specific benefits

Flora

6

Characteristics of flora (5)

High in essential polyunsaturates
Low in saturates
Virtually no trans fats
Rich in vitamin E
No hydrogenated oils

7

Examples of a food containing novel ingredients believed to have specific benefits (2)

Benecol
Olean

8

What is the novel ingredient in Benecol?

Stanol ester

9

Effects of stanol ester (3)

Displaces cholesterol from micelles
Therefore cholesterol is not absorbed
It is instead excreted in faeces

10

What is Olean?(5)

Brand name for olestra
Sucrose polyester (sucrose and long chain FA)
Non absorbable fat
Has the physical qualities of conventional dietary fat
Reduce fat and energy intake

11

Negative effects of olestra and how this is offset?(2)

Reduces absorption of fat soluble vitamins
They must be added to food

12

Polyphenols are potent _______

Antioxidants

13

Where can Polyphenols be naturally found?(6)

Green tea
Cocoa
Pomegranate juice
Red wine
Liquorice
Some fruits and veg

14

Actions of resveratrol (7)

Antioxidant
Inhibits platelet aggregation
Induces vasodilation
Anti-proliferation
Anti-inflammatory
Extends lifespan
Regulates gene expression

15

Effects of resveratrol on gene expression (3)

Increases eNOS
blocks the detrimental effect of oxidative stress on increasing ET-1
Reduces blood pressure

16

Define functional foods (2)

A foods component which affects one or more targeted functions in the body in a positive way

This usually excluded normal physiological roles of nutrients