Glycemic Index Flashcards

1
Q

define GI

A

a figure representing the relative ability of a carbohydrate food to increase the level of glucose in the blood.

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2
Q

what is glycemic load

A

The glycemic load of food is a number that estimates how much the food will raise a person’s blood glucose level after eating it. One unit of glycemic load approximates the effect of consuming one gram of glucose

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3
Q

equation for GL

A

(amount of food carbohydrate x GI) / 100

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4
Q

what is dietary fibre

A

edible parts of plants that are not broken down and absorbed in the human’s small intestine

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5
Q

what is crude fibre

A

residue of plant food left after extraction by dilute acids and alkalis
does not include undigested material that may be nutritionally important

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6
Q

what is the englyst method

A

measures only the polysaccharide component

not used anymore

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7
Q

what is the AOAC method

A

allows for the recommendation of 30g/day

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8
Q

is a high GI good or bad?

A

bad
Carbohydrate foods that are broken down quickly by your body and cause a rapid increase in blood glucose have a high GI rating. High GI foods include: sugar and sugary foods. sugary soft drinks. white bread.

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9
Q

is a low GI good or bad?

A

good
Carbohydrates with a low GI value (55 or less) are more slowly digested, absorbed and metabolised and cause a lower and slower rise in blood glucose and, therefore usually, insulin levels.

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