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Food Balanced Sheets ((((((However, FBS should not be entirely discounted:…
Food Balanced Sheets
However, FBS should not be entirely discounted: provide the only standardised data that permit international comparisons over time
frequently used in nutritional epidemiological studies to investigate diet disease relationships ( ecological studies to evaluate relationship between diet and diseases)
a sensitivity analysis of Chinese food balance sheets has confirmed the relative accuracy of these data and demonstrated that they closely reflect major time and space trends in food availability for human consumption
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Food production figures (based on estimated yield rather than actual figures. They are also sometimes inferred from trade statistics.
Wild and home produced foods ( Foods produced at the back of houses, wild fruits and vegetables are not captured)
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Estimation of losses ( Losses occuring from food wastage is not estimated only processing, storage and transportation)
Nutrient conversion factors(nutrient data conversion loss when nutrients are changed to daily energy requirement)
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indicator of relative amount of food crops used for feeding live stock reference data for individual food consumption ecological studies assessing diet and disease
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Amount of food actually consumed is likely to be lower than that estimated in FBS as: household losses of food storage, preparation, cooking, plate waste, fed to domestic pets, thrown away
sub - population variation in diet SEC, ecological, geographical seasonal variation in food supply
The data are calculated from the total amount of food produced and imported for countries as a whole, minus food exported, fed to animals, or otherwise not available to humans.
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“A national account of the annual production of food, changes in stocks, imports and exports, and distribution of food over various uses within the country” (FAO, 1980)
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Supply quantity of foodstuffs produced in a country + quantity imported and adjusted for change in stocks
Utilisation quantities exported + fed to livestock + used for seeds + used in manufacture + losses in storage/transport + food supplies available for human consumption
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Commodity coverage: All edible commodities are taken into account regardless if they are eatne or used as non-food items
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