Food tests Flashcards by Ray A | Brainscape

Q

How do you test for starch?

A

Iodine

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is its original colour? (starch)

A

orange/brown

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Colour change? (starch)

A

Blue/dark blue/black colour

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you test for sugars?

A

Benedicts solution

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is its original colour? (sugars)

A

Blue

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Colour change? (sugars)

A

Brick red

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you test for protein?

A

Biuret reagent

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is its original colour? (protein)

A

Blue

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Colour change? (protein)

A

pink/purple

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you test for Lipids? (fats)-ethanol

A

Ethanol

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is its original colour? (Lipids)-ethanol

A

colourless

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Colour change? (Lipids)-ethanol

A

cloudy layer forming on top

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you test for lipids?-Sudan III

A

sudan III

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is its original colour? (Lipids)-Sudan III

A

red

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Colour change? (Lipids)-Sudan III

A

red layer

How well did you know this?

1

Not at all

2

3

4

5

Perfectly