reducing sugars Flashcards

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1
Q

what are the two reducing sugars and a non reducing sugar

A

Maltose and lactose are reducing

Sucrose is non reducing

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2
Q

what are the steps to the reducing sugar

A

place food in a test tube
add benedicts solution
heat in water bath at 80 degree for 3 min

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3
Q

how long should you heat the test tube for

A

3 min

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4
Q

what temperature should the water bath be

A

80 degree

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5
Q

what is a positive result

A

green precipitate- low conc
Yellow precipitate- medium conc
orangey- red precipitate- high conc

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6
Q

why is a precipiate formed

A

because copper sulfate is reduced to copper oxide which is insoluble in water

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