FOOD20003 Lecture Notes - Lecture 9: Fructooligosaccharide, Hyperglycemia, Atherosclerosis

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CARBS FOOD SOURCES:
Wholegrains food
Vegetables, legumes and fruits
Milk à lactose
SUGAR FOOD SOURCES
Excessive sugar intake à obesity b/c of the development of body fat from excess energy
BUT sugar à empty calories b/c deliver energy but has no nutrients
Naturally occurring sugars: fruits, veggies, milk
Dental caries
Bacteria residing in dental plaque à in contact with teeth
Bacteria breakdown of sugar produces lactic acid which corrodes the enamel of teeth
Artificial sweeteners:
Non-nutritive sweetener
Benefit: does not contribute to dental carries!
Saccharin: readily absorbed and secreted as urine, doesn’t accumulate in body
Stevia: herbal alternative, glycoside found in leaves
Sucralose: passed through digestive tract
Acesulfame-k, alitame and cyclamate
Sugar replacer
Nutritive sweetener
Sugar alcohols and polyols
Generally safe (no dental caries)
Absorbed more slowly & metabolised different in the body (less sweet)
LOW GI
DIETARY FIBRES
Regulatory roles of FSANZ, AOAC, AACC
FSANZ: food regulation, safety standard
AOAC: regulation of food analyses
AACC: regulation of cereals analysis
Definitions:
Dietary fibres: plant carbs that are resistant to mammalian digestive enzymes
Total dietary fibres:
o Food residue remaining after removal of lipid, protein and starch
o Mainly cellulose & non-cellulose polysaccharides
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Document Summary

Carbs food sources: wholegrains food, vegetables, legumes and fruits, milk lactose. Sugar food sources: excessive sugar intake obesity b/c of the development of body fat from excess energy, but sugar empty calories b/c deliver energy but has no nutrients, naturally occurring sugars: fruits, veggies, milk. Dental caries: bacteria residing in dental plaque in contact with teeth, bacteria breakdown of sugar produces lactic acid which corrodes the enamel of teeth. Artificial sweeteners: non-nutritive sweetener, benefit: does not contribute to dental carries, saccharin: readily absorbed and secreted as urine, doesn"t accumulate in body, stevia: herbal alternative, glycoside found in leaves, sucralose: passed through digestive tract, acesulfame-k, alitame and cyclamate. Sugar replacer: nutritive sweetener, sugar alcohols and polyols, generally safe (no dental caries, absorbed more slowly & metabolised different in the body (less sweet, low gi. Regulatory roles of fsanz, aoac, aacc: fsanz: food regulation, safety standard, aoac: regulation of food analyses, aacc: regulation of cereals analysis.

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