Fat in food Flashcards
different plant oils contain high levels of which FA
Sunflower, rapeseed, olive, canola: unsaturated fatty acids
coconut and palm oil: saturated
different animal fats/oils contain high levels of which FA
Generally broad range of fatty acids/triglycerides found
Milk fat: saturated
fish oils: polyunsaturated long chains
Total fat intake mainly form which food source?
Meat> Cereal > Dairy > Spread > Veg
SFA intake mainly from which food source?
Meat = Dairy > Cereal > Spreads > veg
MUFA intake mainly from which food source?
Meat> Cereal > Dairy = Veg > Spread
n-6 PUFA intake mainly from which food source?
Veg > Cereal > Spread > meat > dairy
FA recommendation and guildlines
Total fat not exceed 35% of TE
SFA not exceed 11% of TE
MUFA ~13% of TE
PUFA ~6.5% of TE and derived from mixture of n-6 & n-3
Trans FA not exceed 2% of TE
western diet verage daily intake
300g CHO/ d
- 65% starch
- 25% sucrose
- 6 % lactose
- 3% Monosaccharide
100g protein /d
50-150g fat/ d
- 94% TAG
- 5% phospholipid
- 1% cholesterol
For fat absorption, fat need to be _____for it to break down for digestion.
How to achieve?
fat need to be available to enzyme
achieved by emulsification - formation of microscopic droplets; large surface area to small mass ratio, allows enzyme to act
UK fat intake
total fat intake within the 35% recommendation
Trans fat fallen to 0.7-0.9% within recommendation
SFA dropped to 12.8 % , but still above the level
Oily fish consumption remain below recommendation of one portion/wk
National annual seafood consumption (pound/ pp)
Chile> Asia> Spain > UK> China
National daily fat intake (g/pp/d) 2005-07
USA, France (160g)> Spain > Canda, UK (~140g) > ….India (50g) > Congo (25g)
SFA intake of % TE compared with guildline (1961 vs 2001)
EU countries’ SFA intake significantly higher the guildline lv in 1961
in 2001, intake dropped but still above lv
