Sugars And Starches at Middlesex University | Flashcards & Summaries

Lernmaterialien für Sugars and Starches an der Middlesex University

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TESTE DEIN WISSEN

Name 3 monosaccharides

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Glucose, fructose, galactose

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Name 3 disaccharides

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Lactose, maltose, sucrose

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Which 2 monosaccharides is each disaccharide made of?

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TESTE DEIN WISSEN

Sucrose - glucose + fructose
Lactose - glucose + galactose
Maltose - glucose + glucose

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Which are more easily digested – sugars or starches and why?

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Sugars - starches need to be broken down into sugars before they can be absorbed into the blood stream

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Why is sugar soluble in water?

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Both sugar and water have charged areas on their structure, so they can form associations with each other via hydrogen bonds between the negatively charged oxygen and the positively charged hydrogen, allowing the sugar to dissolve

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TESTE DEIN WISSEN

What happens when you heat sugar gently in a pan?

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TESTE DEIN WISSEN

If heated carefully, it will melt ie turn into a liquid. 


This is due to some of the bonds between the sugar molecules breaking, 

in the same way that ice turns to water. If you are not careful, the sugar will start to burn.

 

At this point the sugar molecules themselves are physically 

breaking down before the bonds between the molecules have broken

Lösung ausblenden
TESTE DEIN WISSEN

Name 3 monosaccharides

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TESTE DEIN WISSEN

Glucose, fructose, galactose

Lösung ausblenden
TESTE DEIN WISSEN

Which 2 monosaccharides is each disaccharide made of?


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TESTE DEIN WISSEN

Sucrose - glucose + fructose
Lactose - glucose + galactose
Maltose - glucose + glucose

Lösung ausblenden
TESTE DEIN WISSEN

Which are more easily digested – sugars or starches and why?

Lösung anzeigen
TESTE DEIN WISSEN

Sugars - starches need to be broken down into sugars before they can
be absorbed into the blood stream

Lösung ausblenden
TESTE DEIN WISSEN

Why is sugar soluble in water?

Lösung anzeigen
TESTE DEIN WISSEN

Both sugar and water have charged areas on their structure, so they can form associations with each other via hydrogen bonds between the negatively charged oxygen and the positively charged hydrogen, allowing the sugar to dissolve

Lösung ausblenden
TESTE DEIN WISSEN

What happens when you heat sugar gently in a pan?

Lösung anzeigen
TESTE DEIN WISSEN

If heated carefully, it will melt ie turn into a liquid.


This is due to some of the bonds between the sugar molecules breaking, in the same way that ice turns to water. If you are not careful, the sugar will start to burn


At this point the sugar molecules themselves are physically breaking down before the bonds between the molecules have broken

Lösung ausblenden
TESTE DEIN WISSEN

What can you add to prevent crystallisation?

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TESTE DEIN WISSEN

Large molecules like fat. 

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Beispielhafte Karteikarten für deinen Sugars and Starches Kurs an der Middlesex University - von Kommilitonen auf StudySmarter erstellt!

Q:

Name 3 monosaccharides

A:

Glucose, fructose, galactose

Q:

Name 3 disaccharides

A:

Lactose, maltose, sucrose

Q:

Which 2 monosaccharides is each disaccharide made of?

A:

Sucrose - glucose + fructose
Lactose - glucose + galactose
Maltose - glucose + glucose

Q:

Which are more easily digested – sugars or starches and why?

A:

Sugars - starches need to be broken down into sugars before they can be absorbed into the blood stream

Q:

Why is sugar soluble in water?

A:

Both sugar and water have charged areas on their structure, so they can form associations with each other via hydrogen bonds between the negatively charged oxygen and the positively charged hydrogen, allowing the sugar to dissolve

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Q:

What happens when you heat sugar gently in a pan?

A:

If heated carefully, it will melt ie turn into a liquid. 


This is due to some of the bonds between the sugar molecules breaking, 

in the same way that ice turns to water. If you are not careful, the sugar will start to burn.

 

At this point the sugar molecules themselves are physically 

breaking down before the bonds between the molecules have broken

Q:

Name 3 monosaccharides

A:

Glucose, fructose, galactose

Q:

Which 2 monosaccharides is each disaccharide made of?


A:

Sucrose - glucose + fructose
Lactose - glucose + galactose
Maltose - glucose + glucose

Q:

Which are more easily digested – sugars or starches and why?

A:

Sugars - starches need to be broken down into sugars before they can
be absorbed into the blood stream

Q:

Why is sugar soluble in water?

A:

Both sugar and water have charged areas on their structure, so they can form associations with each other via hydrogen bonds between the negatively charged oxygen and the positively charged hydrogen, allowing the sugar to dissolve

Q:

What happens when you heat sugar gently in a pan?

A:

If heated carefully, it will melt ie turn into a liquid.


This is due to some of the bonds between the sugar molecules breaking, in the same way that ice turns to water. If you are not careful, the sugar will start to burn


At this point the sugar molecules themselves are physically breaking down before the bonds between the molecules have broken

Q:

What can you add to prevent crystallisation?

A:

Large molecules like fat. 

Sugars and Starches

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