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2)

2.1.A definition of glycaemic index (GI) and the difference between ‘glycaemic index’ and ‘glycaemic load.’
The Glycaemic index is a ranking of carbohydrates found in foods according to how they affect your blood glucose levels.
The Glycemic Load is a ranking of the carbohydrates according to the GI and the amount of carbohydrates found in food. and quality of carbohydrates and is not just a ranking of carbohydrates based on how they affect your blood glucose levels like the Glycaemic Index. The Glycaemic load is defined by the amount of carbohydrates in a portion of food multiplied by the GI value divided by 100.
Ref: https://www.gisymbol.com/about-glycemic-index/

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2.2.How to interpret the G.I. rating scale
A low GI has a value of 55 or less. A medium/moderate GI value is 56-69.A high GI value is 70 or more.

2.3. What is insulin?
Insulin is a hormone produced by the pancreas that enables your body to use sugar (glucose) from carbohydrates in the food you consumed for energy or to store glucose for future usage.
2.4 What is the ideal blood glucose level in human beings and why is it considered ideal?
Blood glucose levels change throughout the day however for a person without diabetes, a fasting blood sugar on awakening should be under 100 mg/dl. Before-meals a normal glucose levels are 70–99 mg/dl and up to 140mg/dl two hours after eating.A person will have diabetes when the fasting blood glucose is level is at 126mg/dl or above.The safe blood sugar level is between 70 to 105mg/dl ensuring that you still have the right amount of energy but your blood glucose levels re never too low or to high.

2.5 State the classification of foods according to the G.I. rating scale and give 10 examples of foods for each of the 3 groups. Provide the G.I. ratings for each example

GI RATING SCALE NAME OF FOOD GI RANKING
LOW GI Sweet corn,on the cob,boiled 48
Sweet potato,baked 46
Carrots,peeled,boiled 41
Tomato,canned 45
Lentil,canned 44
Long grain rice,white,Mahatma,boiled 50
Soba noodles,instant,served in soup 46
Gluten-free Muesli 39
Oat bran,raw,unprocessed 55
Pumpernickel bread 50

GI RATING SCALE Food GI Rating
Medium GI Lemon squash soft drink 58
Whole-grain rye bread 58
Puffed buckwheat 65
Life,Quaker Oats 66
Polenta(cornmeal),boiled 68
Ryvita Currant Crispbread 66
Condensed milk,sweetened,full fat 61
Noodles,dried rice,boiled 61
Sugar,white 68
Golden syrup 63

GI RATING SCALE FOOD GI RATING
HIGH GI Gatorade 78
Swede (rutabaga) 72
Radishes,red 75
Pumpkin ,boiled 75
Potato,baked,without skin 85
Glucose Syrup 100
Brown Pelde rice,boiled 76
Corn pasta,gluten-free,boiled 78
Kumara,boiled 77
Rice cracker,plain 91

2.6. Explain the effects on the body of eating foods from each of the 3 categories according to the G.I. rating scale.
Foods with a High GI can cause a sudden rise in glucose levels due to this the body will pancreas will produce insulin. The high amount of insulin produced causes glucose levels in the blood to suddenly decrease and this create the feeling of hunger even if you weren’t hungry before. Food with a Low GI are good and beneficial to your health as Low GI reduces the rish of chronic disease.

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